Question

Given that
S(g) + O2(g) SO2(g) DrG = -300.1 kJ/mol-rxn
2 S(g) + 3 O2(g) 2 SO3(g) DrG = -742.1 kJ/mol-rxn
calculate DfG of the following reaction:
SO2(g) + 1/2 O2(g) SO3(g)
A.-1042.2 kJ/mol-rxn
B.-71.0 kJ/mol-rxn
C.+2.47 kJ/mol-rxn
D.+71.0 kJ/mol-rxn
E.+1042.2 kJ/mol-rxn

Answer

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