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Natasha2012 [34]
3 years ago
6

What drives spontaneous reactions?

Chemistry
2 answers:
pickupchik [31]3 years ago
6 0

<u>Answer:</u>

<em>b. decreasing enthalpy and increasing entropy</em>

<u>Explanation:</u>

∆H stands for enthalpy change and ∆S stands for entropy change

Spontaneity depends on the enthalpy and entropy changes of the reaction

∆G = ∆H - T∆S

When ∆H is negative and ∆S is positive  

∆G will be negative

For a spontaneous reaction ∆G is negative

If ∆G = 0 then the reaction will be at equilibrium  

If ∆G is positive the reaction is non spontaneous.

Decreasing enthalpy (negative) and increasing entropy (positive) will give a negative number for \Delta G

KatRina [158]3 years ago
5 0

Answer:

option B

Explanation:

A spontaneous reaction drive favorable when enthalpy is decreasing and the entropy is increasing on the system. If that happens the reaction occurs spontaneously

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