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3 October, 07:08

Heat is released when H2 gas and O2 gas react to form H2O. Why?

A. Breaking the H-H bond in H2 gas releases heat.

B. Breaking the O-O bond in O2 gas releases heat.

C. Forming the H-O bonds in H2O releases heat.

D. Both A and B are responsible for heat being released in the reaction.

I guessed D

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  1. 3 October, 08:35
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    A. Breaking the H-H bond in H2 gas releases heat.

    B. Breaking the O-O bond in O2 gas releases heat.

    C. Forming the H-O bonds in H2O releases heat.

    D. Both A and B are responsible for heat being released in the reaction.
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