Answer:
[tex]Na_{2} O[/tex]
Explanation:
To write the correct formula for sodium oxide, we can use the periodic table to see how many valence electrons they will lose/gain. Since sodium will lose one electron and oxygen will gain 2 electrons, you need two sodium for every oxygen ion. Therefore, the formula is [tex]Na_{2} O[/tex].
you have an ivpb of ranitidine 50 mg in 50 ml d5w to run over 30 minutes. the tubing has a drip factor of 15. how many drops per minute
Based on the provided information, the drops per minute is 25gtt/min. (Option A)
Infusion rates or flow rates are adjusted to the desired drops per minute by a clamp on the tubing. The flow rate is calculated in drops per minute (gtts/min). The IV drip rate is calculated by dividing the total volume (in mL) by time (in minutes) and multiplied by the drop factor (in gtt/mL). The formula of IV drip rate (gtt/min) is given by:
IV drip rate (gtt/min) = (Volume (ml)/Time (min))*Drop factor (gtt/ml)
In the given case,
Volume = 50 ml
Time = 30 min
Drop factor = 15 gtt/min
Hence,
Gtt/min = (50/30)*15 = 1.67*15 = 25gtt/min
Note: The question is incomplete. The complete question probably is: You have an IVPB of ranitidine (Zantac) 50 mg in 50 mL DSW to run over 30 minutes. The tubing has a drip factor of 15. How many drops per minute will you set on the IV infusion controller? A. 25 gtts/minute B. 30 gtts/minute C. 45 gtts/minute D. 50 gtts/minute.
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2) Write the equilibrium-constant expression for the reaction in terms of [A], [B], [C], and [D] as needed.
The amount of reactant to product in a chemical reaction can be compared to derive the equilibrium constant, which is used to predict chemical behaviour.
What is equilibrium constant?The ratio of the amount of reactant to the amount of product that is used to predict the chemical behaviour of a reaction is known as the equilibrium constant for chemical reactions. The rate constants remain unchanged at a specific temperature.
The law of mass action states that for a system in equilibrium, K is related to the ratio of the equilibrium concentrations of the products to the reactant concentrations raised to their respective powers to match the coefficients in the equilibrium equation. The expression for the equilibrium constant is the ratio.
Therefore, the answer is:
To the stated response
[tex]$3 A_{(g)}+B_{(g)} \rightleftharpoons 2 C_{(g)}+2 D_{(g)}$[/tex]
A statement of the equilibrium constant will be
[tex]$K_c=\frac{\left[C^2 \cdot[D]^2\right.}{\left|A^3 \cdot\right| B \mid}$[/tex]
where A, B, C, and D are present in the following molar concentrations: [A], [B], [C], and [D].
The complete question is:
Write the equilibrium-constant expression for the reaction shown in terms of
[A],[B],[C],and [D].
3A(g)+B(g)↽−−⇀2C(g)+2D(g)
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. If 100 g of calcium carbonate is allowed to decompose, 56 g of calcium oxide is produced. What mass of carbon dioxide is produced by the decomposition
If 100 g of calcium carbonate is allowed to decompose, 56 g of calcium oxide is produced. The mass of carbon dioxide is produced by the decomposition will be 44g
According to the given equation
CaCO₃ → CO₂ + CaO
As
mass of CaCO₃ = 100g
mass of CaO = 56g
mass of CO₂= ?
depending on the conservation of mass
mass of the reactant = mass of the product
100 g = ( X + 56 )
mass of CO2 = 100 - 56
= 44 g
So the mass of carbon dioxide is produced by the decomposition will be 44g
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Draw the expanded structural formula for the following condensed formula. (Draw all hydrogen atoms.)
CH3CH2COCH(CH3)2
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force.
What do all hydrogen atoms have in common?Atomic hydrogen constitutes about 75% of the baryonic mass of the universe. In everyday life on Earth, isolated hydrogen atoms are extremely rare. Instead, a hydrogen atom tends to combine with other atoms in compounds, or with another hydrogen atom to form ordinary (diatomic) hydrogen gas, H2. "Atomic hydrogen" and "hydrogen atom" in ordinary English use have overlapping, yet distinct, meanings. For example, a water molecule contains two hydrogen atoms, but does not contain atomic hydrogen.shows that there is a discrete infinite set of states in which a hydrogen (or any) atom can exist, contrary to the predictions of classical physics. Attempts to develop a theoretical understanding of the states of the hydrogen atom have been important to the history of quantum mechanics, since all other atoms can be roughly understood by knowing in detail about this simplest atomic structure.To learn more about hydrogen refer to:
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which two major body systems help regulate acid-base balance in the body? compare and contrast how the pathophysiology for each system works to compensate during times of acidosis and times of alkalosis.
two body functions that help regulate acid-base balance in body are the kidney & lungs that work continuously to help with regulatory oversight of acid base balance by excreting the excess acidic and basic ions.
Describe acid.A Brnsted-Lowry acid or Lewis acid is a molecule or ion that has the ability to donate a protons or establish a covalent bond with just an electron pair. Proton donors, also known as Brnsted-Lowry acids, are the first class of acids.
Why is it known as acid?The word "acid," which refers to the sour flavor and pungent odor of numerous acids, derives from the Latin word acidus, which meaning "sour." Examples: Because acetic acid and water are diluted, vinegar has a sour flavor. Citrus juice
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QUESTION 13 What is the mass of 0.560 moles of chlorine gas? 19.9 63.3 127 39.7 0.5 points Save Answer QUESTION 14 How many moles of Mg atoms are there in 2.00 mole of M93N2? 0.25 points Save Answer QUESTION 15 How many moles of Natoms are there in 2.00 mole of Mg3N2? 0.25 points Save Answer QUESTION 16 How many atoms are there in 9.0 g of silver?
Answer:
See below
Explanation:
13. The molar mass of Cl2 is 70.9 grams/mole. Mass of 0.560 moles:
(0.560 moles)*(70.9 grams/mole) = 39.7 grams Cl2
14. 2 moles of M93N2 has 2*2 = 4 moles of N atoms
15. 2.00 moles Mg3N2 has 2*2 = 4 moles N atoms
16. 9.0 grams of Ag. The molar mass of silver is 107.9 g/mole. 9.0 grams means that there is (9.0g/(107.9 g/mole) = 0.0834 moles Ag.
(0.0834 moles Ag)*(6.022x10^23 Ag atoms/mole) = 5.02x10^22 atoms of silver
The mass of 0.560 moles of chlorine gas is 39.7 g. There are 6.00 moles of Mg atoms and 4.00 moles of N atoms respectively in 2.00 moles of Mg3N2 compound. The number of atoms in 9.0 g of silver can be calculated by converting the grams to moles then multiplying by Avogadro's number.
Explanation:
The mass of chlorine gas can be calculated by multiplying the given moles with the molar mass of chlorine. The molar mass of chlorine (Cl2) is approximately 70.9 g/mol. Therefore, the mass of 0.560 moles of chlorine gas would be 0.560 * 70.9 = 39.7 g.
For Mg3N2, there are 3 moles of Mg per mole of Mg3N2, so there are 2.00 * 3= 6.00 moles of Mg atoms in 2.00 moles of Mg3N2. Similarly, there are 2 moles of N per mole of Mg3N2 so, there are 2*2.00 = 4.00 moles of N atoms in 2.00 moles of Mg3N2.
The number of atoms in silver can be calculated using Avogadro's number, which is 6.02 x 10^23 atoms per mole. First convert the mass to moles (silver has a molar mass of approximately 107.87 g/mol) and then multiply by Avogadro's number.
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What is the name of the compound Br2S3?
(Bromodisulfanyl) Thiolohypobromite | Br2S3 - PubChem.The quantity of atoms in a molecule is indicated by numerical prefixes.
B2s chemistry: what is it?Undergraduate students known as B2s work alongside lab instructors in organic chemistry labs most often. By operating the lab when the lab instructor has to take a little break, responding to student inquiries, helping students pass samples through an instrument, etc., B2s ensure that the lab works smoothly.(Bromodisulfanyl) Thiolohypobromite | Br2S3 - PubChem.When naming molecular compounds, the stem of the first element's name is used first, followed by the suffix -ide, followed by the second element. The quantity of atoms in a molecule is indicated by numerical prefixes.To learn more about (Bromodisulfanyl) Thiolohypobromite refer to:
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The sentence below from the section "1 Million Species Threatened" helps prove the claim that humans need nature.
"Nature is essential for human existence and good quality of life," the report said.
Which selection from the section provides further support for the claim?
3 points
A big report released on May 6 warned that nature is in trouble and estimated that 1 million species are threatened with extinction if nothing is done.
Food, energy, medicine, water, protection from storms and floods and slowing climate change are some of the 18 ways nature helps keep people alive, the report said.
He pointed to how difficult it has been for China to come back from decades of forest loss. The country has replanted trees in recent years.
The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services report points to more than 2,500 wars and other conflicts over fossil fuels, water, food and land.
The selection from the section that provides further support for the claim is that B. Food, energy, medicine, water, protection from storms and floods and slowing climate change are some of the 18 ways nature helps keep people alive, the report said.
What is the selection that supports the claim?Selection 2, "Food, energy, medicine, water, protection from storms and floods and slowing climate change are some of the 18 ways nature helps keep people alive, the report said." provides further support for the claim that humans need nature.
It lists several specific ways in which nature is essential for human existence and good quality of life, and it is align with the statement "Nature is essential for human existence and good quality of life," the report said. Additionally, it provides an estimation of 18 ways which nature helps human to survive, adding more weight on the statement.
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choose the pair of terms that completes this sentence: hydroxyl is to _____ as _____ is to amine.
choose the pair of terms that completes this sentence:
hydroxyl is to alcohol as amino is to amine.
Amino acids are the building blocks of proteins and are found in a variety of natural and man-made sources. Most amino acids are naturally produced by plants and animals, but some are synthesized in the laboratory.Unnatural amino acids are used to study protein structure and function or to create new proteins with desired properties.
Amino acids are divided into three groups:Essential amino acids,nonessential amino acids and conditional amino acid.
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Why are chemists concerned with the rates of chemical reactions?! Select all that apply.O Reaction rates show how fast a reaction will reach equilibrium. O Reaction rates can indicate potential hazards, such as explosions. O Reaction rates dictate the productivity of chemical reactions. O Reaction rates indicate how quickly reactants will be consumed.
The rate of a chemical reaction is a measure of how fast the reaction is occurring. Knowing the rate of a reaction allows chemists to understand the reactivity of different compounds and predict the outcome.
Chemists are concerned with the rates of chemical reactions because:
Reaction rates show how fast a reaction will reach equilibrium.-Reaction rates can indicate potential hazards, such as explosions.-Reaction rates dictate the productivity of chemical reactions.-Reaction rates indicate how quickly reactants will be consumed.Learn more about Chemical Reaction here:
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Which of the following is true about distillation boiling point determination? More than one answer may be correct.
O Keep boiling the sample until there is nothing left in the flask.
O The reduced pressure needs to be recorded if performing the distillation under vacuum.
O Impurities in the sample will not affect the boiling point.
O The sample should be as pure as possible before boiling point determination.
O The thermometer should be positioned with the tip immersed in the liquid.
The statements which true about distillation boiling point determination are:
The reduced pressure has to be recorded if performing the distillation under vacuum.The sample must be as pure as possible before boiling point determination.The thermometer must be positioned with the tip immersed in the liquid.What is distillation?Distillation is the process which happens when a liquid sample is volatilized to produce a vapor which is subsequently condensed to a liquid richer in the more volatile components of the initial sample. It is symbolized at its simplest when steam from a kettle turns deposited as drops of distilled water on a cold surface.
Regarding the distillation boiling point determination, the temperature at where a liquid's vapor pressure reaches equilibrium with atmospheric pressure is called the liquid's boiling point. To accomplish distillation at decreased pressure, it is needed to record the external pressure. The sample have to be as pure as is practical. When the contaminants are dissolved, the liquid's boiling point increases. Thus, the recorded boiling point will not be exact. And to measure temperature changes properly, the thermometer's tip has to be placed in the liquid.
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_____are found uncombined, as monatomic species in nature. O Halogens O Alkaline earth metals O Chalcogens O Noble gasesO Alkali metals
Noble gasses are found uncombined, as monatomic species in nature.
About Nobel gassesThe noble gases are chemical elements group 18 or VIIIA in the periodic table. This group is also known as the helium or neon group and the aerorogen group. This group consists of the elements helium (He), Neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), the radioactive element radon (Rn), and the radioactive synthetic element oganesson (Og). All members of group 18 (VIIIA) elements are noble gases, are non-metallic, and are in the form of gas at standard temperature and pressure, except for oganesson (which is predicted to be solid and have properties like metals).
It is called noble because these elements are very stable (very difficult to react). The first noble gas element to be discovered was argon, which was discovered by an English chemist named Sir William Ramsey. None of the natural compounds of the noble gases were found. According to Lewis, the stability of the noble gases is due to their fully filled electron configuration, namely the octet (duplet) configuration for helium. The stability of the noble gases is reflected by their very large ionization energies, and their very low electron affinity (signed positive). Ancient experts believed that the noble gas elements were completely inert. This opinion was disproved, after in 1962, Neil Bartlett, a chemist from Canada managed to make a xenon compound, namely XePtF6 (xenon hexafluoroplatinate). Since then, various noble gas compounds have been produced.
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Which of the following is a tertiary alcohol?
O (CH3)3COH
O CH3CH2CH2OH
O CH3CH OCH
O none are tertiary alcohols
O (CH3)2CHOH
Tertiary alcohols are compounds with a hydroxyl group (OH) connected to a carbon atom that is already saturated due to the presence of three additional carbon atoms therefore, option 1 is the right choice.
To be classified as alcohol in chemistry, at least one hydroxyl functional group must be covalently bonded to a saturated carbon atom. The term "alcohol" originally referred to ethanol, the principal alcohol that is the main component of alcoholic beverages and is also used as a drug. All chemicals with the formula CₙH₂ₙ₊₁OH are part of the major class of alcohols, of which methanol and ethanol are the simplest examples.
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What are the concentrations of carbon in a-ferrite and Fe3C at a temperature just below 727°C? You may want to use Animated Figure 9.24. (a) Ca i wt% || (b) CFe,C = i wt% Save for Later Attempts: 0 of 3 used
70% is the concentrations of carbon in a-ferrite and Fe3C at a temperature just below 727°C.
The compounds of metals are present in the form of oxides, Sulphides, carbonates, chlorides. The natural material in which the metals or their compounds are found in earth are called minerals. Some of the minerals may contain a large percentage of metal whereas others may contain only a small percentage. the concentrations of metal in seawater varies from place to place and often dependent on local conditions. Although most metals are generally low in seawater, this will depend on possible pollution, geochemistry and microbial activities. The best way is to compare your results to local literature. By this information, we can consider that 70% is the concentrations of carbon in a-ferrite and Fe3C at a temperature just below 727°C.
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Draw the Lewis dot structure for the molecule SiO4^-4. Determine the number of bonding pairs and long pairs on the central atom. What is the shape of the molecule? Be careful on counting the total number of electrons.
#bonding pairs:
#lone pairs:
Shape of the molecule:
The shape of the molecule is tetrahedral due to the 4 pairs of electrons around the silicon atom.
The Lewis dot structure for SiO4^-4 is shown below:
Si: O
:O: O
O
There are 8 bonding pairs and 4 lone pairs on the central atom, giving a total of 12 electrons. The shape of the molecule is tetrahedral.
1. The Lewis dot structure for SiO4^-4 is drawn by placing 4 oxygen atoms around the central atom (silicon) and connecting them with single bonds.
2. Each oxygen atom has 6 valence electrons, for a total of 24 electrons.
3. Silicon has 4 valence electrons, for a total of 28 electrons.
4. The 4 oxygen atoms form 8 bonding pairs with the silicon atom, leaving 4 lone pairs.
5. The total number of electrons around the central atom is 12 (8 bonding pairs and 4 lone pairs).
6. The shape of the molecule is tetrahedral due to the 4 pairs of electrons around the silicon atom.
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What’s the correct words
Average kinetic energy is the average sum of all kinetic energy of all the molecules of gases. Therefore, the higher mass a particle has and the higher the particle's speed, the more kinetic energy the particle has.
What is kinetic energy?It is a energy which is possess by a moving object. It is very difficult to find the correct value of kinetic energy so we find average kinetic energy. Which is very easy to calculate as compared to calculating kinetic energy. It is not dependent on the type of gases or mass of gases.
Mathematically,
K.E=1/2mv²
Where,
m= mass of object
v= velocity of object
The higher mass a particle has and the higher the particle's speed, the more kinetic energy the particle has.
Therefore, the higher mass a particle has and the higher the particle's speed, the more kinetic energy the particle has.
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Which one of the following four metals would be displaced from the solution of its
salts by the other three metals?
a) Mg
B) Cu
C) Ag
d) Zn
The metal that would be displaced from the solution of its salts is option C) Ag
Silver has a higher standard electrode potential (reduction potential) than any of the other three metals. Therefore, each of them would remove (decrease) it from its salt solution.
Since Ag is less reactive than Mg, Zn, and Cu, the other three metals would displace silver (Ag) metals from the solution of its salts.
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Which of the following compounds would be expected to have the lowest boiling point because it has the weakest physical bonding? Show work
A) LiCI
B) H2O
C) CH4
D) CH3CH2OH
E) KF
The compounds that would be expected to have the lowest boiling point because it has the weakest physical bonding is CH4.
Option C is correct.
What is boiling point?The boiling point of any substance is described as the temperature at which the vapor pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
We can conclude that CH4 has the weakest boiling point because the magnitude of London dispersion forces decreases with a decrease in molecule size.
Therefore, the shortest, most branched molecule in this given options will have the lowest boiling point.
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when ca2+ concentration in the blood becomes lower than normal, __________.
when ca2+ concentration in the blood becomes lower than normal,parathyroid hormone is released.
This drug is a synthetic version of the hormone parathyroid, which is naturally produced by your body's parathyroid glands. Your body's calcium and phosphorus levels are regulated and kept in balance by the parathyroid hormone. In order to address low blood calcium caused by insufficient parathyroid hormone, this drug is combined with calcium and vitamin D.More than 7,000 times less calcium ions are present in the intracellular fluid of cells than in the blood plasma.Serious negative effects from parathyroid hormone are possible. If you have any of the following symptoms due to elevated calcium levels: nausea, vomiting, constipation, excessive thirst or urination, muscular weakness, bone pain, disorientation, loss of energy, or fatigue, call your doctor right once. You could experience low calcium levels if you stop taking parathyroid hormone.
complete question:When Ca2+ concentration in the blood becomes lower than normal, __________.
parathyroid hormone is released
growth hormone is released
calcium salts deposit in the blood vessels
testosterone is released
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In the following compound, identify each \mathrm{C}=\mathrm{C} unit as cis, trans, or not stereoisomeric. C=C1CC=CCCC=CCC1
The compound you provided is a linear chain of alkenes and it has two C=C units.
C=C1: This is the first C=C unit in the compound, it is located between the first and the second carbon atoms. This unit is not stereoisomeric because it is not in a cyclic structure and it does not have different groups on either side of the double bond.C=C2: This is the second C=C unit in the compound, it is located between the seventh and the eight carbon atoms. This unit is also not stereoisomeric because it is not in a cyclic structure and it does not have different groups on either side of the double bond.
In summary, both C=C units in the compound are not stereoisomeric.
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How would I solve this using Dimensional Analysis?
Answer:no idea
Explanation:
I js needed points
Which of the following broken bone ends movement could not be prevented by putting a plaster cast around the broken bone?
A. Broken finger
B. Broken elbow
C. Broken rib bone
D. Broken wrist bone
⊂∞∞∞⊃≤∴∴∵∵∴∴≥
Answer: broken rib bone
Explanation: you’re not able to put a cast inside your ribs
Consider the acid-base nature of barium cyanide, Ba(CN)2, when it is dissolved in water.
(1) What are the acid-base properties of the cation? _________acidicbasicneutral
(2) What are the acid-base properties of the anion? _________acidicbasicneutral
(3) Would an aqueous solution of barium cyanide be acidic, basic or neutral? _________acidicbasicneutral
1. The correct answer is basic. Barium cyanide, Ba(CN)2, is an ionic compound composed of a barium cation and a cyanide anion.
When it is dissolved in water, it will dissociate into barium cations and cyanide anions. The barium cation has a +2 charge, so it will accept two hydrogen ions from the water, forming the barium hydroxide ion, Ba(OH)2, making the barium cation basic in nature.
2. The correct answer is acidic. Barium cyanide, Ba(CN)2, is an ionic compound composed of a barium cation and a cyanide anion.
When it is dissolved in water, it will dissociate into barium cations and cyanide anions. The cyanide anion has a -1 charge, and will donate a single hydrogen ion to the water, forming the hydronium ion, H3O+, making the cyanide anion acidic in nature.
3. The correct answer is neutral. An aqueous solution of barium cyanide, Ba(CN)2, will be neutral. When the compound is dissolved in water, it will dissociate into barium cations and cyanide anions.
The barium cation will accept two hydrogen ions from the water, forming the barium hydroxide ion, Ba(OH)2, and the cyanide anion will donate one hydrogen ion to the water, forming the hydronium ion, H3O+. These two processes will cancel each other out, resulting in a neutral solution.
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Which of the following is the most stable carbocation? CH3 I. IV. CH3 CH3 V. CH3
CH3 CH3 is a tertiary carbocation. A tertiary carbocation is the most stable carbocation due to the electron releasing effect of three methyl groups.
Carbocations are generally stabilized with the neighboring carbon-carbon multiple bonds. Carbocations that are present adjacent to some other carbon-carbon with double or triple bond are having very special stability the reason is having a overlap between the empty p orbital of the carbocation.
Hence, tertiary carbocation is considered as most stable carbocation because of electron releasing effect of three methyl groups. so, we can say that Greater the number of alkyl groups attached to a positively charged carbon atom, greater will be hyperconjugation interaction and +I effect of methyl group will stabilize the cation.
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Cabbage juice indicator solutions can show pH values from acidic to basic.
Which color represents the most basic solution?
Which color represents the most acidic solution?
Which color represents a neutral solution?
The color that represents the most basic solution - green
The color that represents the most acidic solution - redThe color that represents a neutral solution - purpleWhat is the Cabbage juice indicator about?Cabbage juice indicator solutions can be used to show pH values from acidic to basic. This is done by extracting pigments called anthocyanins from red cabbage and using them as a pH indicator.
When the cabbage juice indicator solution is added to an acidic solution, the solution will turn red or purple, indicating a low pH. This color represents the most acidic solution.
When the cabbage juice indicator solution is added to a basic solution, the solution will turn green or yellow, indicating a high pH. This color represents the most basic solution.
Therefore, When the cabbage juice indicator solution is added to a neutral solution, the solution will turn blue or purple-blue. This color represents a neutral solution, with a pH around 7.
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Draw 3-chloro-2-methyloxetane. Select Draw Rings More
Co oxidises to Co after reducing Ni to Ni (0). (III). Co is a reducing agent,
3Ni2+(aq)+2Co(s)⟶2Co3+(aq)+3Ni(s)
The charge that indicates an object's capacity to gain, lose, or share electrons is known as the oxidation number.
Increasing the number of oxidations is oxidation.
Co is oxidised, changing from Co(0) to Co. (III).
Decrease in oxidation number equals reduction.
Ni (II) is reduced to Ni2+ from Ni2+ (0).
An oxidising agent is something that reduces itself while oxidising others.
Ni2+ reduces itself to Ni after oxidising Co to Co (III) (0). Ni2+ is an oxidising agent, then.
A reducing agent is something that both reduces other things and oxidises itself.
Co oxidises to Co after reducing Ni to Ni (0). (III). Co is a reducing agent, then.
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After reducing Ni to Ni, Co oxidises to Co. (0). (III). Co is a decreasing agent. 3Ni2+(aq)+2Co(s)⟶2Co3+(aq)+3N The oxidation number is the charge shows an object's ability to receive, lose, share electrons.
Oxidation is the process of increasing the number of oxidations.Co undergoes oxidation, transforming from Co(0) to Co. Reduction is equal to a decrease in the oxidation number. From Ni2+, Ni (II) is reduced to Ni2+ (0). An oxidising agent is anything that oxidizes others while reducing itself. After oxidizing Co to Co (III), Ni2+ decreases to Ni (0). Ni2+ is therefore an oxidizing agent. A reducing agent is anything that both reduces and oxidizes other substances. After reducing Ni to Ni, Co oxidises to Co. (0). (III). Co is a decreasing agent.After reducing Ni to Ni, Co oxidises to Co. (0). (III). Co is a decreasing agent. 3Ni2+(aq)+2Co(s)⟶2Co3+(aq)+3N The oxidation number is the charge shows an object's ability to receive, lose, share electrons.
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What would be the complete ground-state electron configuration for aluminum? Express the complete electron configurations using the caret symbol prior to the superscript and 1 space between different orbitals (ex: Li would be entered as 1s^2 2s^1). Do not use any parentheses in your configuration. Enter your configuration in the proper order.
The complete ground state configuration for the aluminum is 1s² 2s² 2p⁶ 3s² 3p¹. The atomic number of the aluminum is 13.
The atomic number of the Aluminum is 13. For the neutral atom of the Aluminum , it contains the 13 protons and the 13 electrons. The ground state electron configuration is 1s² 2s² 2p⁶ 3s² 3p¹. The noble has configuration for the aluminum is [Ne] 3s² 3p¹. The atom in the lower energy level is said to be in the ground state.
The electrons arranged according to their energy levels. The ground state electron configuration of the electrons around the nucleus with lower energy levels for the given atom.
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Help would be greatly appreciated
What is pressure?
Answer:
D
Explanation:
Pressure is the force that you produce by the gas or liquid in a place or a container
Draw lewis structure for C5H10
The Lewis structure of C5H10 help us to visualize the valence electron and molecules whether they are present in bond or as lone pair.
Cyclopentane appears as a clear colorless liquid with a petroleum-like odor. Flash point of -35 °F. Less dense than water and insoluble in water. Vapors are heavier than air. Cyclopentane is a cycloalkane that consists of five carbons each bonded with two hydrogens above and below the plane. The parent of the class of cyclopentanes. It has a role as a non-polar solvent. It is a member of cyclopentanes, a cycloalkane and a volatile organic compound. Cyclopentane is an alicyclic compound with formula C5H10 . The electron dot structure helps us to visualize the valence electrons and molecules whether they are present in bond or as lone pair.
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I С -н :-H I 6. The Lewis structure for the weak base aniline, C6H5NH2 is Write a balanced equation that shows the products formed when aniline dissolves in water (use the Bronsted-Lowry definition to show proton transfer from water to aniline). Calculate the pH, POH, (H30+], and [OH-] of a 0.30 M solution of aniline. The Ko value for aniline is 3.9 x 10-10.
The pH value is 9.93, the pOH value is 9.3 the [H30+] value is 1.17 x 10^-10 M, and the [OH-] value is 1.17 x 10^-10 M.
What is a Lewis structure?A Lewis structure, also known as a Lewis dot diagram, is a way to represent the bonding and non-bonding electrons in a molecule. It is named after Gilbert N. Lewis, who introduced it in 1916. A Lewis structure shows the chemical symbol of each atom in the molecule and the electrons that are involved in the chemical bonds. It is used to predict the molecular geometry, reactivity, and other chemical properties of a molecule.
The Lewis structure for aniline, C6H5NH2, is:
H H
| |
C-C-C-C-C-C
|
N-H
When aniline dissolves in water, it acts as a weak base, accepting a proton from water to form the conjugate acid, C6H5NH3+. The balanced equation for this reaction is:
C6H5NH2(aq) + H2O(l) <--> C6H5NH3+(aq) + OH-(aq)
The acid dissociation constant (Ka) for the reverse reaction is given as Ko = 3.9 x 10^-10. To calculate the pH, POH, [H3O+] and [OH-] of a 0.30 M solution of aniline, we can use the following equations:
Ka = [C6H5NH3+][OH-] / [C6H5NH2]
Given Ka = 3.9 x 10^-10, [C6H5NH2] = 0.30 M and solving the above equation, we get [C6H5NH3+] = 1.17 x 10^-10 M and [OH-] = 1.17 x 10^-10 M
pH = -log[H3O+] = -log(1.17 x 10^-10) = 9.93
pOH = -log[OH-] = -log(1.17 x 10^-10) = 9.93
[H3O+] = 1.17 x 10^-10 M
[OH-] = 1.17 x 10^-10 M
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