The volume of the gas upon cooling at 25°C is 36.9L.
How to calculate volume?The volume of a gas can be calculated using the Charles's law equation as follows:
V₁/T₁ = V₂/T₂
Where;
V₁ and T₁ = initial volume and temperature respectivelyV₂ and T₂ = final volume and temperature respectivelyAccording to this question, 40L of a gas is collected at 50.0°C. The volume of the gas upon cooling to 25.0 °C can be calculated as follows:
40/323 = V₂/298
0.1238 × 298 = V
V = 36.9L
Therefore, 36.9L is the volume of the gas upon cooling to 25°C.
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calculate the standard cell potential for mg(s)+fe2+(aq)→mg2+(aq)+fe(s)
The standard cell potential for:
Mg(s) + Fe⁺(aq) ----> Mg²⁺(aq) + Fe(s) is 1.89 V.
The chemical reaction is given as :
Mg(s) + Fe⁺(aq) ----> Mg²⁺(aq) + Fe(s)
The loss of the electron is called as the oxidation and the gain of the electrons is called as the reduction. In the given chemical equation , the Mg undergoes the oxidation as it looses the electrons. The Fe undergoes the reduction as it gains the electrons.
The standard cell potential is given as :
EMF = E catohe - E anode
EMF = - 0.49 V - ( - 2.38 V)
EMF = 1.89 V
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Draw a Lewis structure for SnCl3 1- . Indicate the formal charge for each atom in the Lewis structure. Name and sketch the electron-pair geometry. Name and sketch the molecular geometry around the central atom
The Lewis structure for SnCl₃ 1- is as follows:
Sn Cl
\ /
Cl--Cl
|
Cl
The electron-pair geometry is trigonal bipyramidal.
A Lewis structure, also known as a Lewis dot diagram or electron dot diagram, is a way of representing the valence electrons of an atom in a chemical compound. The structure is named after Gilbert N. Lewis, who first proposed it in 1916. Lewis structures depict the chemical symbol of the atom in the center, with dots representing the valence electrons surrounding it. The number of dots corresponds to the number of valence electrons in the element.
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Which supports the idea that conservation of mass is a scientific law instead of a hypothesis?
A- It is an educated guess.
B- It has been tested and supported once or twice.
C- It has been examined, tested and supported over centuries.
D- It has been tested many times and sometimes is true and sometimes isn’t.
It has been examined, tested and supported over centuries. The law of conservation of mass, which states that the mass of an isolated system remains constant, has been tested and supported for centuries, making it a scientific law, not just a hypothesis.
What is hypothesis?Hypothesis is a proposed explanation for a phenomenon or a solution to a problem that can be tested through further investigation. It is an educated guess based on observations and prior knowledge. Hypotheses are used to develop experiments, draw conclusions, and refine or reject prior theories. Hypotheses can be used to develop a theoretical framework and inform the design of future research studies.
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When potassium iodide liquid is poured into lead nitrate solution (both clear solutions), a bright yellow solid, lead iodide, forms in a potassium nitrate solution. What are the signs that this is a chemical reaction? check all that apply.
The signs that this is a chemical reaction are the formation of a new substance, a change in color, and the formation of a precipitate.
When potassium iodide liquid is poured into lead nitrate solution, a chemical reaction takes place which results in the formation of a bright yellow solid, lead iodide, and a potassium nitrate solution. The signs that this is a chemical reaction include:
Production of a new substance: The bright yellow solid, lead iodide, is a new substance that is formed during the reaction.Change in color: There is a change in color, from the clear color of the original solutions to the bright yellow color of the solid lead iodide.Formation of a precipitate: A precipitate is a solid that forms in a solution as a result of a chemical reaction. The bright yellow solid lead iodide is a precipitate.Evolution of a gas: No gaseous byproduct is being generated during the reaction, it doesn't show any bubbles or emissions.Change in temperature: Usually, chemical reactions are accompanied by a change in temperature. But in this case, no information is provided if there is any change in temperature.Change in smell, sound, or light: No mention of any change in smell, sound, or light is given in the statement of the question.All in all, the signs of a chemical reaction are the formation of a new substance, a change in color, and the formation of a precipitate.
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Calculate the molar concentration of a solution containing 0.0490 mol of copper (II) sulfate dissolved in 54.76 mL of solution
The concentration of the solution can be obtained as 0.89 M.
What is the molar concentration?We have to note that when we talk about the concentration, we are trying to refer to the amount of the solute that we can be able to find in the sample or the solution. In the case that we have here were are told that we are to find the concentration of solution containing 0.0490 mol of copper (II) sulfate dissolved in 54.76 mL of solution.
Now, we have to look at the number of moles and then the volume of the solution and then use it to obtain the molar concentration of the solution that is being sought after in the problem.
Number of moles = 0.0490 mol
Volume of the solution = 54.76 mL or 0.05476 L
Concentration of the solution = Number of moles/volume
= 0.0490 mol/0.05476 L
= 0.89 M
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how many nodes are there in the 1s, 2p, and 3d orbitals? how many nodes are in a 4f orbital?
The orbital in 1s has no nodes. One node makes up the 2p orbital. Two nodes make up the third orbital. The 4f orbital also contains three nodes.
The sum of the radial nodes (n-l-1) and the angular nodes (l) is equal to (n-1). Here, the letters "l" and "n" stand for the azimuthal and primary quantum numbers, respectively. The form of an orbital is described by its azimuthal quantum number, also known as orbital angular momentum. Its value is equal to the total number of angular nodes in the orbital, and it is represented by the letter "l."
So, for 1s orbital, the total number of nodes is equal to (1-1)=0.
Total number of nodes for 2p orbitals is (2-1)=1.
For 3d orbitals total no. of nodes= (3-1)=2
And for 4f orbitals no. of nodes =(4-1)=3
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Peridotite that undergoes partial melting will create a melt enriched in ________.
A) iron, magnesium, feldspars, and silica
B) silica
C) iron and magnesium
D) feldspars and silica
Option (a) is correct. Peridotite that undergoes partial melting will create a melt enriched in iron, magnesium, felspars and silica.
The type of rock, Peridotite is a type of igneous rock that is dark colored and has coarse grains. It is a dense rock and is most commonly light to dark green in color. The peridotite description is that it is an important rock because it makes up the main portion of the Earth's mantle and has many uses. Peridotite is named after the gemstone peridot. Peridot is a green color and is made of the mineral olivine, a main component of peridotite. Sedimentary rock is formed when layers settle and become cemented into solid rock. igneous rock, is formed when lava or magma cools and solidifies and is the group to which peridotite belongs.
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how many grams of co2 are produced from 125 g of o2 and excess ch4 ? ch4 + 2o2 → co2 + 2h2o
In the reaction CH₄ + 2O₂ → CO₂ + 2H₂O, 85.9375 g of CO₂ will be produced from 125 g of O₂ and excess CH₄.
Therefore the answer is 85.9375 g.
The balanced chemical equation for the reaction of methane (CH₄) with oxygen (O₂) to produce carbon dioxide (CO₂) and water (H₂O) is:
CH₄ + 2O₂ → CO₂ + 2H₂O
To determine how many grams of CO₂ will be produced from a given amount of O₂ and CH₄, we can use the concept of stoichiometry. Stoichiometry is the branch of chemistry that deals with the quantitative relationships between reactants and products in a chemical reaction.
In this case, the stoichiometry of the reaction shows that for every one mole of CH₄ that reacts, one mole of CO₂ is produced, and for every two moles of O₂ that react, one mole of CO₂ is produced.
We can use this information to calculate how many grams of CO₂ will be produced from 125g of O₂ and excess CH₄. As CH₄ is in excess, amount of O₂ is the limiting factor.
We know that 1 mole of O₂ is equal to 32g and 1 mole of CO₂ is equal to 44g, so we can find the number of moles of O₂ by dividing 125g by 32g/mole
= (125 g)/ (32 g/mole)
= 3.90625 moles
We know that for every two moles of O₂ that react, one mole of CO₂ is produced. So 3.90625 moles of O₂ will produce
= 3.90625/2
= 1.953125 moles of CO₂
Finally, we can calculate the number of grams of CO₂ produced by multiplying the number of moles of CO₂ by the molar mass of CO2 (44g/mole)
= 1.953125 moles × 44g/mole
= 85.9375g
Therefore, 85.9375g of CO₂ will be produced from 125 g of O₂ and excess CH₄.
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On may 1, shilling company sold merchandise in the amount of $5,800 to anders, with credit terms of 2/10, n/30. The cost of the items sold is $4,000. Shilling uses the perpetual inventory system and the gross method. The journal entry or entries that shilling will make on may 1 is (are): on may 1, shilling company sold merchandise in the amount of $5,800 to anders, with credit terms of 2/10, n/30. The cost of the items sold is $4,000. Shilling uses the perpetual inventory system and the gross method. The journal entry or entries that shilling will make on may 1 is (are):.
The journal entry or entries that shilling will make on may 1 is (are): Accounts receivable 5,800
Journal entries are used by a bookkeeper to keep track of all the changes that a transaction can bring about in a company.Simple Journal Entries: In this case, only 2 accounts—one that is debited and the other that is credited—are impacted. 2. Compound or Combined Journal Entries: In this case, more than two accounts are impacted.In your accounting records, a journal entry acts as a record of a business transaction. In double-entry accounting, each transaction necessitates at least two journal entries.To know more about journal entry here
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Please Help Quick ASAP Hurry Chemistry Unit 4 Review Sheet
SO2(g) + O2(g) → SO3(g)
4. If 65.8 grams of SO3 are produced in the unbalanced reaction below, how many grams of oxygen reacted?
SO2(g) + O2(g) → SO3(g)
Work:
Ans:_________
5. Regarding the synthesis reaction below
2SO2(g) + O2(g) → 2SO3(g)
a. If 4.8 moles of oxygen reacted, How many grams of the product would be formed?
b. Work:
Ans:_________
6. One mole of gold contains how many atoms?
Ans:_______________
7. One mole of Uranium has a mass in grams of:
Work
Ans:___________
8. If you had Avagadro’s number of pennies, how many dollars would you have? Do you think you would have enough money to buy yourself a house and car?
Answer:
for number 8 you have to divide by 100 and yes you probably would have enough as avagadros number is 6.02×10^(23)
I have some questions, im not very great at pen table diagrams, i was wondering if i could get some answers
The completely-filled table of the atomic number, proton number, mass number, electron number, and charge is found in the attachment.
What is the atomic number of an element?The atomic number of an element is the number of protons present in the nucleus of the atom an element. Therefore, the atomic number of an element is the proton number of an element.
For a neutral atom, the number of protons in the nucleus of the element is equal to the number of electrons. However, for charged atoms, the electron number is less than the proton number if the element has a positive charge while the electron number is greater than the proton number if the charge on the atom is negative. The size of the charge gives the number of electrons that have been gained or lost by the atom.
The mass number of an atom is the sum of the protons and neutrons in the nucleus of the atom of the element.
Mass number = atomic (proton) number + neuron number
Neutron number = mass number - atomic (proton) number
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Question 12 of 23 Convert 2.87 kg to grams Use only the metric system. 28.7 kg х ARTING AMOUNT 28.7 kg ADDTAR DELETE ANSWER RESET 2 1 10 100 1000 0.1 0.01 0.001 2.87 28.7 0.287 2870 0.00287 kg 9 or pull up for additional resources
2.87 kg will be equal to 2870 grams, when converted using the metric system.
What is the metric system?The metric system is a decimalized system of measurement used in many parts of the world. It is based on a decimal system, where the base unit of measurement is the gram. The metric system is the most common system of measurement used in the world today and is used in many scientific and medical applications.
It is based on the decimal system, where units of measurement are based off of a single base unit. It is also easy to convert from one unit of measurement to another, as the conversions are based on multiples of ten. This makes it easier to use and understand and is beneficial in many applications.
Conversion of 2.87 kg to grams:In order to convert 2.87 kg to grams, the following steps can be taken:
1. Multiply 2.87 kg by 1000, as there are 1000 grams in 1 kg.
2. 2.87 kg x 1000 = 2870 g
Therefore, 2.87 kg is equal to 2870 grams when using the metric system.
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Glucose (a source of energy and metabolic intermediate): 40.00%C, 6.71%H, and 53.29%O.
Express your answer as a chemical formula.
Glucose (a source of energy and metabolic intermediate): 40.00% C, 6.71% H, and 53.29% O. The empirical formula is CH₂O.
Given that :
Carbon = 40 % = 40 g
Hydrogen = 6.71 % = 6.17 g
Oxygen = 53.29 % = 53.2 g
Moles of the carbon = mass / molar mass
= 40 / 12
= 3.33 mol
Moles of the hydrogen = mass / molar mass
= 6.17 / 1
= 6.17 mol
Moles of the oxygen = mass / molar mass
= 53.29 / 16
= 3.33 mol
dividing by the smallest one , we get :
Moles of the carbon = 3.33 / 3.33 = 1
Moles of the hydrogen = 6.17 / 3.33 = 2
Moles of the oxygen = = 3.33 / 3.33 = 1
The empirical formula is CH₂O.
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Which change in the protonation state of Glu487 is most likely responsible for the change in MP activity at either low or high pH
The pH dependence in the protonation state of Glu487 is most likely responsible for the change in MP activity at either low or high pH.
The pH rises as the Glu487 undergoes deprotonation. MP activity is pH-dependent, and both low and high pH levels result in decreased activity. Functional groups' respective protonation and deprotonation are the primary causes of decreased activity at low pH and high pH, respectively. According to the query, Glu487 protonates the substrate before it is attacked by a nucleophile. To function as a Bronsted acid during catalysis, the side chain's pKa must always be higher in the active site of the enzyme than it is in solution; otherwise, it would be in the deprotonated form. When the pH is sufficiently raised, the protonation changes.
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What element is in group 1 but it is not a metal?
The element which is in the group 1 in the periodic table but it is not a metal is the element name Hydrogen with the symbol H.
The element Hydrogen is a non metal but place in the group 1 in the periodic table with the alkali metal because of the electronic configuration of the hydrogen . the electronic configuration of the hydrogen is ns¹. The electronic configuration of hydrogen element is same as the group 1 alkali metal . this is the reason hydrogen placed in the group 1 with the alkali metal even though it is a non metal.
The hydrogen also forms cation more reluctantly as the alkali metals.
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The element which is a non-metal but is present in the group 1 of periodic table is hydrogen atom.
Despite being a non-metal, hydrogen is classified in group 1 of the periodic table along with alkali metals due to its electronic makeup. Hydrogen has the electronic configuration ns'. The hydrogen element has the same group 1 alkali metal's electronic structure. This is the reason hydrogen, a non-metal, was included in group 1 with the alkali metal.
Hydrogen atom has only one electron and a proton the neutron is absent and it belongs to the non metallic series but to make the periodic table more present table it is placed in the first group which consist of metallic atoms such as sodium lithium etc
In addition, hydrogen forms cations less readily than alkali metals.
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Indicators used in titration labs, like bromothymol blue, are actually weak acids. If you were to add a lot of bromothymol blue to your sample, how would it affect your titration
Since the compound bromothymol blue is acidic, when it is used as the indicator then it has the ability to well affect the end point of the titration.
What is an indicator?The first thing that we have to know is what an indicator is and what the indicator does. We know that an indicator is the kind of substance that we can be able to use when we are considering the way that we can be able to determine the end point of a titration.
The main role that the indicator is to play in the titration is that the indicator can be able to change the color of the solution and by that tell us when the equivalence point of the titration that we are trying to do have been attained so that we can stop the reaction. The end point of the reaction is able to be affected by the kind of indicator that we have applied in the process.
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A solid object at 10°C is placed in an insulated container filled with water at 50°C. Which of the two statements below
must be accurate?
A The final temperature of the water will be close to 50°C.
B The heat lost by the water will be aborbed by the object.
The temperature of the water and the object will approach the same value.
D The final temperature of the system will be 30°C.
According to concept of thermal energy, two statements which are accurate about insulated container are that heat lost by water will be absorbed by the object. Temperature of water and object will approach same value.
What is thermal energy?Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.
Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.
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In which of the following AFn molecules or ions is there more than one F−A−F bond angle: SiF4,PF5,SF4,AsF3?
The bond angles of SiF4, PF5, SF4, and AsF3 are 109.5°, 101.3°, 90°, and 100.2°, respectively. AsF3 has only one F−A−F bond angle while SF4 has more than one F−A−F bond angle. Therefore, the correct answer is SF4.
The bond angle of a molecule or ion is the angle between two adjacent bonds of the same type, such as the angle between two F−A−F bonds in a molecule. Molecules or ions can have one or more F−A−F bond angles, depending on the type and number of atoms. SiF4, PF5, SF4, and AsF3 are all molecules or ions that contain F−A−F bonds. SiF4 and AsF3 have only one F−A−F bond angle, while PF5 and SF4 have more than one F−A−F bond angle. The bond angles of SiF4, PF5, SF4, and AsF3 are 109.5°, 101.3°, 90°, and 100.2°, respectively. Therefore, the molecule or ion with more than one F−A−F bond angle is SF4.
The bond angles of SiF4, PF5, SF4, and AsF3 are 109.5°, 101.3°, 90°, and 100.2°, respectively. AsF3 has only one F−A−F bond angle while SF4 has more than one F−A−F bond angle. Therefore, the correct answer is SF4.
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Balance the following redox reactions by ion-electron method. a) MnO4 (aq) +T (aq) → MnO2(s) + I2 (s) (in basic medium)
2Mno4- + 4H20 + e- => 2Mno2+3I2+8OH- is a balanced redox reaction through the ion-electron method. A redox reaction is one of the various types of chemical processes that can occur in chemistry.
Changes in the oxidation states of the atoms have a role in that. During this reaction, there actually is an electron transfer or electron shifting between different chemical species. In this reaction, an electron is gained by one species and lost by the other. The distribution of electrons in an element's atomic orbitals is explained by the element's electron configuration. Atomic configurations are expressed using a standard notation that lists all of the atomic subshells that contain electrons in numerical order, with the number of electrons that each shell can accommodate being put in superscript.
MnO4 (aq) +T (aq) => MnO2(s) + I2 (s)
In reduction
2I- => I2+2e- ----->*3
In oxidatation
Mno2-+3e- + H2o => Mno2 +4oh_ --->*2
2Mno4- + 4H20 + e- => 2Mno2+3I2+8OH-
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Acellus Chem HELP Question in picturee I WILL GIVE BRAINLIEST
You can solve this problem using stoichiometry:
The tables is already set for you, so let's solve this using it:
Starting at the 75.0 g, divide it by 44.96:
you are left with 1.668 mol because the g cancel each other out.
Now multiply 1.668 mol with 6.02 × 10²³ atom to be left with
1.0041 mol · atom Sc
1 mol Sc
The mol cancel each other out, so your final rounded answer will be
Answer: 1 × 10²³ atoms Sc
How many grams of water are made up of 7.25x10^24 molecules of water?
There are 216.72 grams of water in 7.25 × 10²⁴ molecules of water.
How to calculate mass?The mass of a substance can be calculated by multiplying the number of moles in the substance by its molar mass.
However, the number of moles in the substance must be calculated first by diving the number of molecules in the substance by Avogadro's number.
no of moles = no of molecules ÷ 6.02 × 10²³
no of moles of water = 7.25 × 10²⁴ ÷ 6.02 × 10²³
no of moles of water = 1.204 × 10¹ moles
molar mass of water = 18g/mol
mass of water = 12.04moles × 18g/mol
mass of water = 216.72grams.
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The solubility of silver bromate (mm( AgBrO3) = 235 g/mole) is determined to be 0.0072g/l
A.write the equation for the dissociation of silver bromate in water
B. Predict the sign for delta s for the reaction above
C. Determine the value for ksp for silver bromate
D. Determine the solubility in mg/l of silver bromate in .25 m sodium bromate solution
E. How would the solubility of this sale be affected by dissolving it in each of the following solutions ? (Increase, decrease . No change and why?
a. A solution with a low ph
b. .10m AgNO3
Solubility is the ability of a substance to dissolve in a solvent to form a homogeneous solution. The solubility of a substance is typically measured in units of mass of solute per volume of solvent (e.g. g/L or mg/L) or molarity (moles/L) and is dependent on temperature, pressure, and the presence of other dissolved substances. The solubility of a substance can also be affected by changes in pH and the presence of other ions in solution.
To determine the value for ksp for silver bromate, we need to know the concentrations of Ag+ and BrO3- at equilibrium. The solubility of silver bromate is 0.0072g/L, so the concentration of Ag+ is: (0.0072g/235g/mol) = [tex]3.05 * 10^-^4[/tex] M
Thus, The concentration of BrO3- is [tex]3.05 * 10^-^4[/tex].
The ksp for silver bromate is [tex](3.05 * 10^-^4)^2 = 9.32 * 10^-^8[/tex]
To determine the solubility in mg/L of silver bromate in a 0.25 M sodium bromate solution, we need to use the equilibrium constant expression, [tex][Ag^+][BrO^3^-][/tex]= Ksp, and the fact that the concentration of [tex]BrO^3^-[/tex] is 0.25 M.
So, [tex][Ag^+] = Ksp / [BrO^3^-] = 9.32 x 10^-^8 / (0.25) = 3.73 x 10^-^8[/tex] M, The solubility in mg/L of silver bromate is
([tex]3.73 * 10^-^8[/tex] M) x (235g/mol) = [tex]8.7 * 10^-^6[/tex] mg/L
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5I.23 A reaction mixture consisting of 2.00 mol CO and 3.00 mol is placed in a reaction vessel of volume 10.0 L and heated to 1200. K. At equilibrium, 0.478 mol was present in the system. Determine the value of for the reaction at 1200. K.
The value of K for the reaction at 1200. K is 0.047.
When a reaction mixture consisting of 2.00 mol of CO and 3.00 mol O2 is placed in a reaction vessel of volume 10.0 L and heated to 1200. K, the system will reach equilibrium.
At equilibrium, the amount of CO present will be 0.478 mol.
To determine the value of K for the reaction at 1200. K, we need to use the following formula: K = [CO] / [O2]². Plugging in the values we have, we get K = 0.478 / (3.00)² = 0.047. Therefore, the value of K for this reaction at 1200. K is 0.047.
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4. How many grams of fluorine are needed to produce 70.0 g of hydrofluoric acid (HF)?
2NH3 + 5F₂ ---> N₂F4 + 6HF
According to stoichiometry of the given chemical equation, 52.47 g of fluorine are needed to produce 70.0 g of hydrofluoric acid .
What is stoichiometry?It is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.
Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.
In the given chemical equation, 190 g of fluorine gives 120.06 g of HF
∴70 g of HF will give 70×190/120.06=52.47 g.
Thus, 52.47 g of fluorine are needed to produce 70.0 g of hydrofluoric acid .
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Complete the table below by writing the symbols ionic compound cation anion + NaCl Na ci Х X CrCl4 4+ Cr c1 NH,Br NΗ, Br Cu(OH)2 2+ Cu OH Cos
An ionic compound is a type of chemical compound that is composed of two ions held together by electrostatic forces.
What is chemical compound?A chemical compound is a combination of two or more elements that are chemically bonded together in a specific ratio. Chemical compounds are formed when the atoms of different elements are joined together through chemical bonds, which are formed when at least one atom gives or shares one or more electrons with another atom.
The two ions, a cation and an anion, are usually a metal and a non-metal. The cation carries a positive charge and the anion carries a negative charge. For example, in the ionic compound NaCl, the cation is sodium (Na+) and the anion is chloride (Cl-). In CrCl4, the cation is chromium (Cr4+) and the anion is chloride (Cl-). In NH,Br, the cation is nitrogen (NH+) and the anion is bromide (Br-). In Cu(OH)2, the cation is copper (Cu2+) and the anion is hydroxide (OH-).
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2.2.5
2.5 g gf glucose
disolved into 0.5 dm³ g of water
If 2.5 g of glucose is dissolved in 0.5 dm3 of water, then the concentration of the solution will be 5 g/dm3, and the concentration of the solutes determines the concentration of the solution.
What is the concentration of the solution?A solution is made up of both solutes and the solvent, and the amount of the solvent and solutes determine the solution concentration, such that if a solution has more solutes than the solvent, the solution will be more viscous, and here the concentration of the solution is 5 g/d[tex]{m}^3[/tex] (2.5 glucose/0.5 dm3).
Hence, if 2.5 g of glucose is dissolved in 0.5 dm3 of water, then the concentration of the solution will be 5 g/dm3, and the concentration of the solutes determines the concentration of the solution.
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How old do scientists think the Universe is?
Answer:
19 million yards
Explanation:
I'm here
An ideal gas is contained in a vessel of fixed volume at a temperatureo of 300.0 K. The tempterature is increased to 900.K. By what factor is the pressure in the vessel multiplied
Answer: I need this answer too
Explanation:
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At a certain temperature, SO,(9) and (o) react to produce SO, (s) according to the chemical equation shown above. An evacuated rigid vessel is originally filled with SO, () and O.), each with a partial pressure of 1 atm. Which of the following is closest to the partial pressure of 0,9) after the system has reached equilibrium, and why? A) O atm because K, is very large, nearly all the SO, () and 0,6) are consumed before the system reaches equilibrium B) 0.5 atm, because K is very large, nearly all the SO, () is consumed before the system reaches equilibrium, but an excess amount of O,() remains at equilibrium C) 1 atm, because K, is very large, the system is already near equilibrium, and there will be very little change to the partial pressure of O,G). increases the amount of O,Co) tequilibrium D) 1.5 atm because K, is very lwg, the decomposition of any so, (o) that for
The closest to the partial pressure of O₂ after the system has reached equilibrium is 0.5 atm, because K is very large, nearly all the SO₂ is consumed before the system reaches equilibrium, but an excess amount of O₂ remains at equilibrium. the correct answer is B.
Chemical equilibrium is the condition in which the concentrations of the reactants and products are equal and have no further tendency to fluctuate over time, with no discernible change in the features of the system.
The equilibrium moves to the side of the reaction where there are less moles of gas as the pressure increases. When the pressure decreases, the equilibrium moves to favor the reaction that produces more gas molecules.
Partial pressure is inversely proportional to volume, according to the ideal gas law. Additionally, it correlates with both the temperature and the amount of moles.
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. The amount of CO2 released by human activities per year is approximately ___________.
A. 30 million tons
B. 300 million tons
C. 3 billion tons
D. 30 billion tons
E. 300 billion tons
The answer is E. 300 billion tons. This estimate is based on data collected by the Environmental Protection Agency. The answer to the question is E. 300 billion tons, which is the estimated amount of CO2 released into the atmosphere due to human activities each year.
The data indicate that human activity is responsible for releasing an estimated 6.2 billion metric tons of CO2 into the atmosphere each year. This amount is equivalent to approximately 300 billion tons of CO2.
The answer to the question is E. 300 billion tons, which is the estimated amount of CO2 released into the atmosphere due to human activities each year.
The answer is E. 300 billion tons. This estimate is based on data collected by the Environmental Protection Agency.
The answer to the question is E. 300 billion tons, which is the estimated amount of CO2 released into the atmosphere due to human activities each year.
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