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PtichkaEL [24]
3 years ago
15

___and ___exert pressure on the walls of the vessel in which they are carried out

Chemistry
1 answer:
PolarNik [594]3 years ago
5 0

Answer:

C) Liquids and gases

Explanation:

<em>The correct answer would be liquids and gases.</em>

<u>The molecules of liquids and gases move randomly when held in a container. The random movement causes a collision between the molecules of the liquids/gases and between the walls of the container, creating pressure in the process. </u>This is unlike the molecules of solids that vibrate about fixed positions.

Hence, the correct option is C.

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Combustion of methanol displayed formula???
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For the reaction Cu2S(s)⇌2Cu+(aq)+S2−(aq)Cu2S(s)⇌2Cu+(aq)+S2−(aq), the equilibrium concentrations are as follows: [Cu+]=1.0×10−5
klio [65]

Answer:

1x10⁻¹²

Explanation:

  • Cu₂S(s) ⇌ 2Cu⁺(aq) + S²⁻(aq)

At equilibrium:

  • [Cu⁺] = 1.0x10⁻⁵ M
  • [S²⁻] = 1.0x10⁻² M

The equilibrium constant for the the reaction can be written as:

  • Keq = [Cu⁺]² * [S²⁻]

[Cu⁺] is squared because it has a stoichiometric coefficient of 2 in the reaction. <em>Cu₂S has no effect on the constant because it is a solid</em>.

Now we can <u>calculate the equilibrium constant</u>:

  • Keq = (1.0x10⁻⁵)² * 1.0x10⁻² = 1x10⁻¹²
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What is the relationship between the following compounds??
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And what are the compounds?
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