chem please help drbob222

Why is the process of examining enthalpies of a reaction helpful?

A. It helps in determining how a reaction occurs spontaneously.
B. It helps in determining the temperature that a reaction requires to proceed.
C. It helps in determining how fast a reaction will proceed.
D. It helps in determining which metal uses less energy during refining.

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  1. the answer was d It helps in determining which metal uses less energy during refining.

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