MCQOPTIONS
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| 1. |
What is the heat of reaction if the heat of combustion of products is 2 J and heat of combustion of reactants is 10 J? |
| A. | t8 J |
| B. | t-8 J |
| C. | t4 J |
| D. | t-4 J |
| Answer» B. t-8 J | |