Engineering Online MCQ Number 0638 – online study, assignment and exam

Multiple choice question for engineering Set 1 1. What is the heat of reaction if the heat of combustion of products is 10 J and heat of combustion of reactants is 5 J? a) -5 J b) 5 J c) 10 J d) Cannot be determined [learn_more caption=”View Answer”]Answer: a [Reason:] Heat of reaction =…

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