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Difference between Internal Energy and Enthalpy

Which of the ...

Question

Which of the following drives spontaneous reactions?

A

Low enthalpy values and high entropy values.

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B

Low enthalpy values and low entropy values.

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C

High enthalpy values and low entropy values.

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D

High enthalpy values and high entropy values.

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E

High temperatures and low pressures.

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Solution

The correct option is A Low enthalpy values and high entropy values.
Low enthalpy and high entropy drives spontaneous reactions.
These leads to negative value of Gibbs free energy change.
$Δ G = Δ H - T Δ S$

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