Short Answer TypeState with reason whether the work is done by the system on the surroundings or on the system by the surroundings if the following change occurs at constant pressure:
Work is done on the system by surroundings since there is 2 mol of gaseous reactants while there is no gaseous product. The result is decreased in volume i.e. w is positive.
What is the enthalpy of formation of the most stable form of an element in its standard state?
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