Question

The thermochemical equation for the combustion of butane is shown below.
C4H10(g) + 13/2 O2(g) 4 CO2(g) + 5 H2O() DrH = -2877 kJ/mol-rxn
What is the enthalpy change for the following reaction?
8 CO2(g) + 10 H2O() 2 C4H10(g) + 13 O2(g)
A.+1439 kJ/mol-rxn
B.+2877 kJ/mol-rxn
C.-5754 kJ/mol-rxn
D.-2877 kJ/mol-rxn
E.+5754 kJ/mol-rxn

Answer

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