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Chemistry

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Which of the following statements is incorrect concerning the thermochemical equation below?
2SO3(g)  2SO2(g) + O2(g); H° = 198 kJ

a. The enthalpy of the reactants exceeds that of the products.
b. The reaction is endothermic.
c. For the reaction 2SO2(g) + O2(g)  2SO3(g), H° = –198 kJ.
d. The external pressure is 1 atm.
e. For every mole of SO3(g) consumed, 99 kJ of heat at constant pressure is consumed as well

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