Spontaneous Reaction Video Lessons

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Problem: Melting of ice is a spontaneous reaction at room temperature and pressure because melting is accompanied by _____. A. a decrease of entropy B. a decrease of energy C. an increase of energy D. an increase of entropy

FREE Expert Solution

The standard free energy change of a reaction (ΔG) is given by the following equation:


G=H-TS


Recall that if:

• ΔG < 0 or ΔG = (–); the reaction is spontaneous

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Problem Details

Melting of ice is a spontaneous reaction at room temperature and pressure because melting is accompanied by _____. 

A. a decrease of entropy 

B. a decrease of energy 

C. an increase of energy 

D. an increase of entropy

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