Answered

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



Answer :

pyromorphite
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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