3 years ago

Why do aqueous ions have the fastest reaction rates

Chemistry

1 answer:

Citrus2011 [14]3 years ago

6 0

Answer:

Explanation:

Reactions between ions in solutions tend to be fast because of they are close to each other and they are free to move around. In general the rate of reaction goes as aqueous ions > gases or liquids > solids.

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In nature, one common strategy to make thermodynamically unfavorable reactions proceed is to couple them chemically to reactions

maks197457 [2]

Answer:

31.3 kJ/mol is the free energy, ΔG, for the overall reaction, A⇌D.

Explanation:

A⇌B, $\Delta G_1$ = 11.9 kJ/mol ...[1]

B⇌C, $\Delta G_2$ = -26.7 kJ/mol ...[2]

C⇌D, $\Delta G_3$ = 7.30 kJ/mol ...[3]

A⇌D, $\Delta G_4$ = ?...[4]

[4] = [1] - [2] - [3] (Using Hess's law)

$\Delta G_4=\Delta G_1-(\Delta G_2+\Delta G_3)$

$=11.9 kJ/mol - (-26.7 kJ/mol+7.30 kJ/mol)$

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31.3 kJ/mol is the free energy, ΔG, for the overall reaction, A⇌D.

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