The Lewis structure of TeO4⁻² is: [Te]=O-O-O-O.
The number of electron regions is 8 (5 from the Oxygen atoms and 1 from the tellurium atom).
The hybridization of the Te atom is sp3.
The electron geometry is tetrahedral and the molecular geometry is also tetrahedral.
The number of lone pairs is 4 and the bond angles are 109.5 degrees.
The molecule is polar due to the difference in electronegativity between Te and O atoms.
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. These dots are used to show the chemical bonds between atoms in a molecule, and can be used to predict the chemical properties and reactivity of the compound.
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What is the correct answer with the correct significant figures for 4.10 cm x 3 cm?
Answer:
10
Explanation:
4.10*3=12.3
in sig figs it will be the number with the least amount of sig figs
aka 3 (1 sig fig)
12.3 rounds to 10 which has 1 sigfig
determine the relationship between the melting point of an impure substance to that of a pure substance.
The melting point of the impure substance is lower than the melting point of a pure substances.
Pure substances are made up of single type of atoms. Impure substances are made up of different type of atoms. The substances are comprised of two types of chemical composition. one is homogeneous composition and other is heterogeneous composition. pure substances have homogeneous chemical composition. Impure substances have heterogeneous chemical composition. Pure substances cannot be broken down to simpler substances. Impure substances can be broken down into purer forms by using separation or purification techniques, like filtration, sublimation. The pure substances have fixed structure and impure substances don't have any fixed structure. The melting point of pure substances have higher than the impure substances.
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Which chemical equation correctly represents the synthesis of calcium sulfite from calcium oxide and sulfur dioxide?.
The chemical equation for the synthesis of calcium sulfite from calcium oxide and sulfur dioxide is: CaO + SO2 -> CaSO3
On the left side of the equation, we have the reactants: calcium oxide (CaO) and sulfur dioxide (SO2). On the right side of the equation, we have the product: calcium sulfite (CaSO3).
This equation represents a chemical reaction in which calcium oxide and sulfur dioxide are reacting to form calcium sulfite through a process called a synthesis reaction. This reaction proceeds as the reactant molecules collide and the chemical bonds between atoms in the reactants break and reform to make the product molecule.
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aluminum metal reacts with aqueous copper(ii) sulfate to form aqueous aluminum sulfate and copper metal. what is the stoichiometric coefficient for aluminum when the chemical equation is balanced using the lowest whole-number stoichiometric coefficients?
Answer:
The stoichiometric coefficient for aluminum, Al when the chemical equation is balanced is 2.
To obtain the stoichiometric coefficient for aluminum, we shall write and balance the equation for the reaction. This is illustrated below:
Aluminum => Al
Iron (II) chloride => FeCl₂
Aluminum chloride => AlCl₃
Iron => Fe
Aluminum + Iron (II) chloride —> Aluminum chloride + Iron
Al + FeCl₂ –> AlCl₃ + Fe
There are 3 atoms of Cl on the right side and 2 atoms on the left side. It can be balance by writing 3 before FeCl₂ and 2 before AlCl₃ as shown below:
Al + 3FeCl₂ –> 2AlCl₃ + Fe
There are 2 atoms of Al on the right side and 1 atom on the left. It can be balance by writing 2 before Al as shown below:
2Al + 3FeCl₂ –> 2AlCl₃ + Fe
There are 3 atoms of Fe on the left side and 1 atom on the right side. It can be balance by writing 3 before Fe as shown below:
2Al + 3FeCl₂ –> 2AlCl₃ + 3Fe
Now, the equation is balanced.
The coefficient of Aluminum, Al in the balanced equation is 2.
What is the total reduction potential of a cell in which potassium (K) is reduced and copper (Cu) is oxidized
The total reduction potential is -3.26 V. This means that the cell has a negative voltage, which indicates that the reaction is spontaneous and releases energy. The energy released is available to do work such as charge a battery or power a device.
The total reduction potential of a cell in which potassium (K) is reduced and copper (Cu) is oxidized can be calculated by combining the individual reduction potentials of the two half-reactions. The reduction potential of the potassium ion (K+) to potassium metal (K) is -2.92 volts, and the oxidation potential of copper (Cu) to copper ions (Cu2+) is +0.34 volts. To calculate the total reduction potential of the cell, we subtract the oxidation potential of the Cu2+ from the reduction potential of the K+:
Ecell = Ereduction (K+) - Eoxidation (Cu2+)
Ecell = -2.92 V - (+0.34 V) = -3.26 V
This means that the total reduction potential of the cell is -3.26 V, which is a measure of the energy available from the reaction to do work such as charge a battery or power a device. The voltage of this redox reaction is negative, meaning that the reaction is spontaneous, and it releases energy as heat, light, and chemical energy.
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give a reason for the following questions:
1. Silver bromide is stored in a brown colour thick glass bottle
Silver bromide is stored in a brown colour thick glass bottle in order to regulate the amount of light that enters it.
What is silver bromide used for?Silver bromide is an inorganic compound; the silver salt of hydrobromic acid, AgBr, sometimes used in photographic papers.
Silver bromide is a photosensitive chemical compound that easily undergoes photolytic breakdown. It quickly interacts with light and loses its characteristic by generating bromine gas and silver.
Silver bromide tends to decompose when light falls on it. In order to prevent this, dark colored bottles are used as they restrict the amount of light entering the bottle.
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give a reason for the following questions:
most chemical reactions require heating for completion of the reaction.
Answer:
Increased temperature often leads to an increase in the kinetic energy of the reacting particles, which can help to overcome the activation energy needed to initiate the reaction.
5. Which combination will produce a precipitate? a) NH4OH(aq) and HCl(aq) b) AgNO3(aq) and CaCl2(aq) c) NaOH(aq) and HCl(aq) d) NaCl(aq) and H2SO4(aq) Ans: 6. Based on the solubility rules, will there be a solid formed when solutions of CuSO4(aq) and BaCl2(aq) are mixed? If so, what solid? CuSO4 + BaCl2 → CuCl2 + BaSO4 (A) No solid forms (B) Yes, a solid forms, BaSO4(s) (C) Yes, a solid forms, CuCl(s) (D) Two solids form, CuCl2(s) and BaSO4(s) Ans: . W 3. HF 4. HBr II UI the following are strong acids? 1. HI 2. HNO & 3 & 4 b) 1, 2, 3, & 4 1, 3, & 4 d) 2, 3, & 4 e) 1, 2, & 4 Ans: 8. Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of H SO, and KOH are mixed. A) H+(aq) + OH-(aq) → H20(0) B) 2 K+(aq) + SO42-(aq) → K2SO4(s) C) H+(aq) + OH-(aq) + 2 K+(aq) + SO42-(aq) → H20(1) + K2SO4(s) D) H22+(aq) + OH-(aq) → H2(OH)2(0) E) No reaction occurs.
This is an acid-base neutralization reaction.The acid is H+(aq), and the base is OH-(aq).
Explain why the reaction between H SO and KOH produces a precipitate?C) H+(aq) + OH-(aq) + 2 K+(aq) + SO42-(aq) → H20(1) + K2SO4(s).When H2SO4 and KOH are mixed, a precipitation reaction occurs due to the formation of a soluble product (K2SO4), which is insoluble in water.The reaction between H2SO4 and KOH is also an acid-base neutralization reaction. When an acid and a base react, they neutralize each other to form a salt, which is usually insoluble in water.The salt formed in this reaction is K2SO4, which is insoluble in water, so it will precipitate out of solution. This is why the reaction between H2SO4 and KOH produces a precipitate.When aqueous solutions of H2SO4 and KOH are mixed, they undergo a precipitation reaction. The net ionic equation for this reaction is H+(aq) + OH-(aq) + 2 K+(aq) + SO42-(aq) → H2O(l) + K2SO4(s).This reaction occurs because the hydronium ions (H+) from the H2SO4 reacts with the hydroxide ions (OH-) from the KOH to form water (H2O(l)) while the potassium ions (K+) and sulfate ions (SO42-) form the precipitate K2SO4(s).The reaction is an acid-base reaction because the H2SO4 is an acid and the KOH is a base. The resulting product of the reaction is a solid, K2SO4, that is insoluble in water, thus it precipitates out of solution.To learn more about acid-base neutralization reaction refer to:
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what compound(s) do you expect to be in the distillate when the dehydration reaction is complete?
The compounds which are expected to be in the distillate when the dehydration reaction is complete is alkene and water.
The dehydration reaction is a reaction which involves the loss of water from the reacting molecule or ion. The combination of two molecules which includes the elimination of water molecules is known as dehydration molecule. When this dehydration reaction takes place the distillate is alkene and water. Alkene can be symbolized as C=C. The dehydration reaction builds molecules and generally require the energy for carrying out this process. Dehydration synthesis can be defined as the synthesis reactions which involve the formation of a new compound with the elimination of water molecules.
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Was used as an indicator because it is colorless in solutions and pink in solutions.
Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions.
Because it is colourless by nature, phenolphthalein functions differently from litmus paper. In an alkaline solution or base, it also turns pink. Additionally, the substance is colourless in acids but begins to become pink around pH 8.2 and keeps turning deep purple in strong bases. In an acidic solution, phenolphthalein is colourless, whereas in an alkaline solution, it produces a pink colour. In an alkaline solution, turmeric turns a rich red colour. In an alkane solution, methyl orange turns yellow in colour. In an alkaline solution, litmus paper changes color from red to blue.
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Which statement best identifies which of these models represents a gas?
Because its particles move faster as swiftly and are spaced more apart, Diagram B represents a gas.
What is gas ?One of the four basic states of matter, along with solid, liquid, and plasma, is gas. Individual atoms, elemental molecules derived from a single type of atom, or complex molecules derived from a number of atoms can all be found in a pure gas. A variety of pure gases can be found in a gas mixture like air.
By evaluating the four major gases you're searching for—oxygen (O2), carbon monoxide (CO), hydrogen sulphide (H2S), and methane (CH4)—a 4 gas monitor can help you protect your employees in any setting.
Thus, Diagram B is a gas, because its particles move more quickly and are farther apart.
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Your question is incomplete, probably your question was
Which statement best identifies which of these models represents a gas? Model A is tightly packed, and Model B is spaced out and far apart.
The combination of two atomic orbitals results in the formation of molecular orbitals. A) 1 b) 2 C) 3 D) 4
The combination of two atomic orbitals results in the formation of two molecular orbitals.
The essential and crucial tenet of the molecular orbital theory is that the number of orbitals joining together will equal the number of orbitals forming. Therefore, if two atomic orbitals are moving toward one another in order to combine, two new molecular orbitals will be created.
One of these orbitals will have a higher energy level than the other, and vice versa. The overlapping and energy criteria determine how stable these orbits are.
To explain how the interior energy levels and orbitals change to form a molecule, a number of theories have been put forth. Atomic orbitals collide to create the single and double bonds. The fundamental idea was successfully explained using molecular orbital theory, which also offered the presumptions needed to support the chemical bonding.
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6. Which of the following compounds reacts most rapidly with HNO3/H2SO4? A) toluene B) anisole C) nitrobenzene D) benzonitrile E) fluorobenzene
The compound that reacts most rapidly with HNO3/H2SO4 is nitrobenzene (C).
Nitrobenzene has a relatively low boiling point of 210°C and is highly soluble in organic solvents, making it particularly reactive with HNO3/H2SO4. The nitro group of the nitrobenzene molecule is highly reactive, and when it comes into contact with a strong acid, it undergoes an SN2 reaction.
This reaction involves the replacement of the nitro group with an anion, resulting in a product of nitrobenzoic acid and a hydrogen ion.
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Calculate the wavelength in nm of a wave that has an energy of 6.7x 10^-19 J. Be sure to show all work, and include units!
A wave that has an energy of 6.7x 10-19 J will have a wavelength of 296 nm.
Is the relationship between energy and wavelength linear?Inversely correlated with wavelength is the amount of energy, which is directly proportional to the electromagnetic frequency of the photon. The frequency of a photon determines its energy. In other words, the energy of a photon decreases with increasing wavelength.
How do energy, wavelength, and frequency relate to one another?The energy (E) and frequency (F) of a wavelength diminish as it grows in size. You might conclude from these equations that the wavelength shortens as frequency increases. Longer wavelengths result from a falling frequency. The two main categories of waves are electromagnetic and mechanical.
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2500 liters of oxygen gas is produced at 1.00 atm of pressure. It is to be compressed and stored in a 20.0 liter cylinder. If temperature is constant, calculate the pressure of the oxygen in the cylinder. O 125 atm O 80.0 atm O 8.00 am O 4.00 atm
The pressure of the oxygen in the cylinder can be calculated using the ideal gas law PV = nRT. Therefore, the pressure of the oxygen in the cylinder will be 125 atm.
As we know that,
PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant and T is the temperature (assumed constant). We can also use the proportionality relationship between the initial and final pressures and volumes, P1V1 = P2V2.
Given:
V1 = 2500 L
P1 = 1.00 atm
V2 = 20.0 L
We can rearrange the proportionality equation to find P2:
P2 = P1 * V1/V2
So P2 = 1.00 atm * 2500 L / 20.0 L = 125 atm
Therefore, the pressure of the oxygen in the cylinder will be 125 atm.
It is important to note that compressing a gas to such high pressures is not safe and could cause the cylinder to explode. In practice, this process will be done in steps and in controlled conditions.
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Describe how the potential energy of water molecules changes as water changes from a solids to a liquid.
Answer:
In a liquid form, water molecules have more energy than in a solid – they move around quickly, essentially bouncing off of one another. As the liquid cools down, the amount of potential energy is reduced and the molecules start to move slower.
Explanation:
As the liquid cools down, the amount of potential energy is reduced and the molecules start to move slower.
C2F2 (F-C-C-F) 1. Lewis Structure 2. Perspective drawing 5. #of lone electron pairs on central atom 6. Electronic geometry 3. Steric Number of central 4. # of atoms bonded to central atom atom 7. Molecular geometry 8. Bond angles 9. Molecular polarity 10. Hybridization of central atom Page 4 of 6 VSEPR Theory and the Shapes of Molecules
The idea of the octet rule, which states that atoms share electrons such that each has eight in its outer shell, is the foundation of a Lewis structure.
What is Lewis structure?A molecule's valence shell electrons are shown in a very simple manner via a Lewis structure. It serves as a visual representation of how the electrons surrounding particular molecules' atoms are positioned. For bonds involving two atoms, electrons are shown as "dots" or as a line.
Lewis structure, also known as electron-dot structure, is a structural formula in which dots serve as placeholders for electrons; two dots between two atoms signify a covalent link. Gilbert Newton Lewis, the man behind its 1916 introduction, gave it its name.
The idea of the octet rule, in which atoms share electrons so that each has eight electrons in its outer shell, is the foundation of a Lewis structure.
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Demonstrate that the minimum cation-to-anion radius ratio for a coordination number of 8 is 0.732
The minimum cation-to-anion radius ratio (r+/r-) for a coordination number of 8 can be demonstrated by using the empirical relationship known as the Bekker-Bragg equation.
the Bekker-Bragg equation states r+/r- = (0.414 * Z^(2/3))/[(Z-18)^(1/3)]. Where Z is the coordination number of the ion, and r+ and r- are the radii of the cation and anion, respectively. When Z = 8, the equation becomes:
r+/r- = (0.414 * 8^(2/3))/[(8-18)^(1/3)] which simplifies tor+/r- = (0.414 * 2.066)/(-0.6309) r+/r- = 0.732. This shows that the minimum cation-to-anion radius ratio for a coordination number of 8 is 0.732. This value is a theoretical minimum, actual values found in nature may not be exactly 0.732, but they will be close to this value. It is important to note that this value was obtained assuming that the coordination geometry is cubic, and the anions are packed closely together, surrounding the central cation.
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(01.01 LC)
What is an inference?
To solve this we must be knowing each and every concept related to inference. Therefore, in below given ways we can define an inference.
What is an inference?In Physics, interference is defined as a phenomena wherein waves superpose to generate a consequent wave of larger, lower, or equal amplitude. Both destructive and constructive interference both emerge from the interplay of waves that are related and coherent with one another according to their origin.
We know that constructive interference occurs when two waves combine to form a large wave, and destructive interference occurs when two waves cancel each other. The following graph depicts the distinction between the two forms of interference:
Therefore, in above given ways we can define an inference.
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Galaxy includes: choose all that apply. dark matter planets stars interstellar gas dust
The galaxy includes all of the following - dark matter, planets, stars and interstellar gas dust.
Galaxy is a massive accumulation of gas, dust, and countless stars and solar systems. Gravity holds a galaxy together. You see other stars in the Milky Way when you look up at the stars in the night sky. A galaxy is made up of four main parts: the disc, which may contain spiral arms, the halo, the central bulge, and the black hole at its centre. The spherical component is the collective name for the halo and the central bulge. The galaxy includes all of the following - dark matter, planets, stars and interstellar gas dust.
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The galaxy contains all of the following: interstellar gas dust, planets, stars, and dark matter.
A galaxy is a vast collection of stars, solar systems, and a great deal of gas and dust. A galaxy is held together by gravity. When you look up at the stars in the night sky, you can see other stars in the Milky Way. The disc, which could have spiral arms, the halo, the central bulge, and the black hole in the centre of the galaxy are the four main components. The halo and the central bulge are referred to as the spherical component collectively. The galaxy contains all of the following: interstellar gas dust, planets, stars, and dark matter.
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how many protons and how many neutrons are in (a) 3he, (b) 20ne, (c) 60co?
3He has 2 protons and 1 neutron, 20Ne has 10 protons and 10 neutrons, and 60Co has 27 protons and 33 neutrons.
(a) 3He has 2 protons and 1 neutron.
(b) 20Ne has 10 protons and 10 neutrons.
(c) 60Co has 27 protons and 33 neutrons.
(a) 3He is a helium atom, which has an atomic number of 2. This means that it has 2 protons in its nucleus. The mass number of 3He is 3, which means that it has 1 neutron in its nucleus. Therefore, 3He has 2 protons and 1 neutron.
(b) 20Ne is a neon atom, which has an atomic number of 10. This means that it has 10 protons in its nucleus. The mass number of 20Ne is 20, which means that it has 10 neutrons in its nucleus. Therefore, 20Ne has 10 protons and 10 neutrons.
(c) 60Co is a cobalt atom, which has an atomic number of 27. This means that it has 27 protons in its nucleus. The mass number of 60Co is 60, which means that it has 33 neutrons in its nucleus. Therefore, 60Co has 27 protons and 33 neutrons.
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5.0 mol Al produces up to 2.5 mol Al2O3 and 6.0 mol O2 produces up to 4.0 mol Al2O3. Al2O3 102 g/mol What mass of Al2O3 forms?
Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 255g of Al[tex]_2[/tex]O[tex]_3[/tex] forms from 5.0 mol Al.
What is mole?The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number. The stoichiometry represents the number of moles.
Mathematically,
number of moles of 2Al[tex]_2[/tex]O[tex]_3[/tex] =given mass of 2Al[tex]_2[/tex]O[tex]_3[/tex]÷ molar mass of 2Al[tex]_2[/tex]O[tex]_3[/tex]
4Al + 3O[tex]_2[/tex] → 2Al[tex]_2[/tex]O[tex]_3[/tex]
mass of Al[tex]_2[/tex]O[tex]_3[/tex]=number of moles of Al[tex]_2[/tex]O[tex]_3[/tex]×molar mass of Al[tex]_2[/tex]O[tex]_3[/tex]
= 2.5× 102
= 255g
Therefore, 255g of Al[tex]_2[/tex]O[tex]_3[/tex] forms.
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The ozone hole is largely a consequence of the use of __________.
a. nitrogen oxides
b. fossil fuels
c. chlorofluorocarbon refrigerants
d. carbon monoxide and carbon dioxide
The ozone hole is largely a consequence of the use of chlorofluorocarbon refrigerants. Therefore, option C is correct.
What is ozone layer?The ozone layer can e described as a region of Earth's stratosphere that absorbs the Sun's ultraviolet radiation. Ozone layer contains a high concentration of ozone to other parts of the atmosphere, although small in relation to other gases in the stratosphere.
The ozone layer consists less than 10 ppm of ozone, while the average ozone concentration in atmosphere as a whole is about 0.3 ppm. The ozone layer is found in the lower portion of the stratosphere, from approximately 15 to 35 km above Earth, although its thickness varies seasonally as well as geographically.
The ozone layer can be depleted by man made compounds, such as chlorofluorocarbons (CFCs) and bromofluorocarbons.
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Which of the following geometries for the complex ion [Fe(en)Cl4]? are possible?
linear
trigonal bipyramidal or square pyramidal
octahedral
trigonal planar
tetrahedral or square planar
The octahedral geometries for the complex ion [Fe(en)Cl4] are possible. In an octahedral molecule, all of the bond angles are 90 degrees.
What is octahedral ?An octahedron's molecular geometry, which describes its distinctive shape as having six atoms, groups of atoms, or electron pairs symmetrically placed around one central atom, defines the vertices of an octahedron, which is how octahedrons are categorized in inorganic chemistry.
The molecule contains eight symmetrical sides, hence the word octa, which meaning eight.
All atoms are 180 degrees away from the atom that is right across from it and 90 degrees apart from each other.
By minimizing the contact between bond-pair and electron-pair interactions, the molecules try to arrange themselves in the most stable configuration.
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calculate the density of na metal. the length of the body-centered cubic unit cell is 4.24å.
The density of Na metal is 1.002gcm-2 and the length of the body-centered cubic unit cell is 4.24å.
Third common packing arrangement in metals, is the body-centered cubic (BCC) unit cell has atoms at each of the eight corners of a cube plus one atom in the center of the cube. Because each of the corner atoms is the corner of another cube, the corner atoms in each unit cell will be shared among eight unit cells.
A body centered cubic unit cell contains 8 atoms at the corners and one is in the center.
Therefore, the total number of atoms per unit cell (n) = (8 ×1 / 8) + 1 = 2
Therefore, Density = n × at.wt / Av.Number × a³
2 x 23 / 6.023 x 10²³ x (4.24 x 10⁻⁸)³ = 1.022gcm-2
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what would be the tempature of a pot of water if you continued heating it for 10 minutes after it had already started boiling
A liquid's temperature is raised until it reaches its boiling point; then, the supplied heat is used to release molecular bonds, transforming the liquid into a gas. At temperatures above 100 degrees Celsius, water begins to evaporate. Therefore, option b. is the correct choice.
When the pressure inside a container of liquid is equal to the pressure outside of the liquid, the liquid boils and turns into a gas. For any given liquid, the standard boiling point is reached when the vapor pressure of the liquid is equal to the standard atmospheric pressure at sea level, or one atmosphere.
When a liquid reaches that temperature, its vapor pressure is high enough to overcome the pressure of the surrounding air, resulting in the formation of tiny vapor bubbles within the liquid itself. IUPAC has used the temperature at which boiling occurs at a pressure of one bar as the definition of the standard boiling point since 1982.
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which movement(s) in a classic period symphony is (are) nearly always in minuet and trio form?
The third movement of a classical period symphony is nearly always in minuet and trio form.
Minuet and trio form is a musical structure that was commonly used in the third movement of a classical period symphony. The form consists of two sections: the minuet and the trio. The minuet is a moderate-tempo dance in triple meter, typically in binary form (AABB). The trio is a contrasting section in a different key, and often in a different meter or texture. After the trio, the minuet is repeated, and sometimes followed by a coda. The minuet and trio form was also used in other types of music such as quartets and sonatas. It was a popular form in the 18th century, but fell out of use in the 19th century
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What are four signs that a chemical reaction might have taken place?
Answer:
Color Change.
Production of an odor.
Change of Temperature.
Evolution of a gas (formation of bubbles)
Precipitate (formation of a solid)
Explanation:
explain why wateris polar its molecular geometry is bent. the hydrogen atom attracts electrons much more strongly than the oxygen atom. the oxygen and hydrogen atoms have the same electronegativity. the oxygen atom has a greater attraction for electrons than the hydrogen atom does. water dipole moment is equal to zero. the electrons of the covalent bond are not shared equally between the hydrogen and oxygen atoms.
Due to the bent structure of the molecule, water (H2O) is polar. Due to the shape, the majority of the hydrogen atoms' positive charge is on one side of the molecule while the negative charge from the oxygen atoms is on the other. Polar covalent chemical bonding is demonstrated here.
A substance or object undergoes a physical change when it is utilised in a combination, changes phases, or changes appearance. More crucially, a physical alteration does not affect a substance's molecular makeup. The following three are examples of physical changes in water that exclusively affect their respective phases:
When liquid water freezes, it solidifies.
Boiling water transforms liquid into gas
When liquid water evaporates, it turns into gaseous water.
On the other hand, a chemical change occurs when the molecules that made up the original substance are split up and then put back together in new combinations that are distinct from the original combinations. When water is electrolyzed, oxygen and hydrogen molecules are created as a result of the process.\
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The water is the polar compound and its geometry is bent because the oxygen atom has a greater attraction for electrons than the hydrogen atom does.
Water is the polar compound and its geometry is bent and not the linear due to the electronegativity difference in between the oxygen atom and the hydrogen atom. the electronegativity of the hydrogen is the 2.1 and the electronegativity of the oxygen is the 3.5. if the electronegativity difference is less than compound more likely form the covalent bond and when it is high the atoms form the ionic bond.
Thus, in the case of the water molecule , the oxygen and hydrogen is the non metal and the oxygen is more electronegative than the hydrogen atom so they form covalent bond but it is polar molecule.
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What happens to the average kinetic energy of the molecules of a warm substance when the temperature of the substance is slightly decreased
When the temperature of a warm substance is slightly decreased, the average kinetic energy of the molecules of the substance decreases as well. This is because the temperature of a substance is directly related to the average kinetic energy of the molecules that make up the substance.
As the temperature of the substance is lowered, the average kinetic energy of the molecules also decreases, leading to a decrease in the overall temperature of the substance.
This decrease in temperature is a result of the decrease in the average kinetic energy of the molecules that make up the substance. This decrease in the average kinetic energy of the molecules is directly related to the decrease in temperature of the substance.Learn more about Temperature: https://brainly.com/question/25677592
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