The heat of a chemical reaction is given...

The heat of a chemical reaction is given by the following expression, ______ .

A

`Delta H=Sigma H_R-Sigma H_P`

B

`Delta H=Sigma H_R`

C

`Delta H=Sigma H_P-Sigma H_R`

D

`Delta H=Sigma H_P`

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The correct Answer is:

C

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