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16 Nov 2021
Given information
In measurement A the reaction produces of heat, and in measurement B the reaction produces of heat.
Step-by-step explanation
Step 1.
Measurement A corresponds to constant volume because measurements A emits a higher amount of heat. when a fuel is burned under constant volume all of the energy released by the combustion reaction is evolved as heat.
Measurement B corresponds to constant pressure. When a fuel is burned under constant pressure, some of the energy released does work on the atmosphere by expanding against it. Less energy is manifest as heat due to this work.
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