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Chemical reactions that release energy

Awill not occur

b.need catalysts to occur

Cwill always explode
Doften occuer spontaneously

Verified Answer :

lulu1991

The answer is D. The reaction always towards engergy releasing and entropy increasing. So the reactions that release energy can occur spontaneously. For B, catalysts can only increase the reaction speed. It can not trigger one specific reaction. For C, many mild reaction can release energy, like NaOH + HCl.

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