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Which of the following statements is true concerning the decomposition of liquid water to form hydrogen gas and oxygen gas?
Which of the following statements is true concerning the decomposition of liquid water to form hydrogen gas and oxygen gas?
2H2O(l) → 2H2(g) + O2(g)
A.DH is greater than DU because the pressure is constant.
B.DH is less than DU because of the pressure-volume work done by the gaseous products.
C.DH is less than DU because the atmosphere does pressure-volume work on the gaseous products.
D.DH equals DU because both are state functions.
E.DH is greater than DU because of the pressure-volume work done by the gaseous products.
