Multiple Choice
Using Hess's law,what is ΔH°rxn for the following reaction? WO3(s) + 3H2(g) → W(s) + 3H2O(g)
2W(s) + 3O2(g) →2WO3(s) ΔH°rxn = -1685.8 kJ/mol
2H2(g) + O2(g) → 2H2O(g) ΔH°rxn = -483.6 kJ/mol
A) 117.5 kJ/mol
B) 235.0 kJ/mol
C) 359.3 kJ/mol
D) 1202.2 kJ/mol
E) 2169.4 kJ/mol
Correct Answer:
Verified
Correct Answer:
Verified
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