g class, we discussed piston-cylinder systems (i.e., cylinders with freely moving pistons). A reaction in one of these systems results in a change in volume from 4 to 5 L and a change in temperature from 400 K to 390K. When considering the energy balance on the reaction, we can say that the work term has a sign, and the enthalpy change of the reaction has a sign.
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Ответ:
sure
Explanation: