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April 20, 2014

Homework Help: Chemistry

Posted by Jessica on Tuesday, July 2, 2013 at 4:04pm.

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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