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arsen [322]
4 years ago
10

Define potential energy and then explain what factors or variables cause potential energy to change

Chemistry
1 answer:
Oliga [24]4 years ago
5 0
potential energy:
the energy possessed by a body by virtue by its position relative to others stresses within itself electric charge and other factors.
the formula for potential energy is "PE=mgh". Gravitational pull causes potential energy go change.
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ICl has a higher boiling point than Br2. What is the best explanation for this?
Burka [1]

Answer:

b. ICl experiences dipole-dipole interactions

Explanation:

The molecule with the <em>stronger intermolecular forces</em> will have the higher boiling point.

In Br₂, the Br-Br bond has a <em>dipole moment of zero</em>, because the two atoms are identical.

In ICl, the I-Cl bond, has two different atoms. One must be more electronegative than the other, so there will be a <em>non-zero bond dipole</em>.

ICl will have the higher boiling point.

a is <em>wrong</em>. Br₂ is nonpolar, so it has no dipole-dipole interactions.

c is <em>wrong</em>. Br₂ cannot form hydrogen bonds, because there is no hydrogen.

d is <em>wrong</em>. ICl has dipole-dipole interactions.

8 0
3 years ago
Read 2 more answers
11th maths,physics, biology, chemistry, English,​
Verdich [7]

Answer:

???

Explanation:

7 0
3 years ago
What oxidation number would you expect an iodide ion to have?
ss7ja [257]

Answer:

Explanation:

An iodide ion is the ion I−. Compounds with iodine in formal oxidation state −1 are called iodides.

4 0
3 years ago
What type of bonding occurs in a sample of pure barium, Ba? In other words, how is one barium atom held to another barium atom?
Irina-Kira [14]

Answer:metallic bond

Explanation:

The metallic bond consists of a layer of valence electrons electrostatically attracted to positive metal ions. Hence in a metal such as barium, electrons bind the metal ions together in the metallic crystal lattice of the element.

6 0
3 years ago
Copper oxide, CuO, reacts with hydrochloric acid, HCI, to produce copper chloride, CuCL2 and water
spayn [35]

Explanation:

El óxido de cobre (II), también llamado antiguamente óxido cúprico ({\displaystyle {\ce {CuO}}}{\displaystyle {\ce {CuO}}}), es el óxido de cobre con mayor número de oxidación. Como mineral se conoce como tenorita.

{\displaystyle {\ce {2Cu + O2 = 2CuO}}}{\displaystyle {\ce {2Cu + O2 = 2CuO}}}

Aquí, se forma junto con algo de óxido de cobre (I) como un producto lateral, por lo que es mejor prepararlo por calentamiento de nitrato de cobre (II), hidróxido de cobre (II) o carbonato de cobre (II):

{\displaystyle {\ce {2 Cu(NO3)2 = 2 CuO + 4 NO2+ O2}}}{\displaystyle {\ce {2 Cu(NO3)2 = 2 CuO + 4 NO2+ O2}}}

{\displaystyle {\ce {Cu(OH)2 (s) = CuO (s) + H2O (l)}}}{\displaystyle {\ce {Cu(OH)2 (s) = CuO (s) + H2O (l)}}}

{\displaystyle {\ce {CuCO3 = CuO + CO2}}}{\displaystyle {\ce {CuCO3 = CuO + CO2}}}

El óxido de cobre (II) es un óxido básico, así se disuelve en ácidos minerales tales como el ácido clorhídrico, el ácido sulfúrico o el ácido nítrico para dar las correspondientes sales de cobre (II):

{\displaystyle {\ce {CuO + 2 HNO3 = Cu(NO3)2 + H2O}}}{\displaystyle {\ce {CuO + 2 HNO3 = Cu(NO3)2 + H2O}}}

{\displaystyle {\ce {CuO + 2 HCl =CuCl2 + H2O}}}{\displaystyle {\ce {CuO + 2 HCl =CuCl2 + H2O}}}

{\displaystyle {\ce {CuO + H2SO4 = CuSO4 + H2O}}}{\displaystyle {\ce {CuO + H2SO4 = CuSO4 + H2O}}}

Reacciona con álcali concentrado para formar las correspondientes sales cuprato.

{\displaystyle {\ce {3 XOH + CuO + H2O = X3[Cu(OH)6]}}}{\displaystyle {\ce {3 XOH + CuO + H2O = X3[Cu(OH)6]}}}

Puede reducirse a cobre metálico usando hidrógeno o monóxido de carbono:

{\displaystyle {\ce {CuO + H2 = Cu + H2O}}}{\displaystyle {\ce {CuO + H2 = Cu + H2O}}}

{\displaystyle {\ce {CuO + CO = Cu + CO2}}}{\displaystyle {\ce {CuO + CO = Cu + CO2}}}

6 0
3 years ago
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