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What Is the Standard Enthalpy Change for the Combustion of Gaseous

Question 53

Multiple Choice

What is the standard enthalpy change for the combustion of gaseous propylene,C3H6?
C3H6(g) + What is the standard enthalpy change for the combustion of gaseous propylene,C<sub>3</sub>H<sub>6</sub>? C<sub>3</sub>H<sub>6</sub>(g) + O<sub>2</sub>(g) → 3CO<sub>2</sub>(g) + 3H<sub>2</sub>O(l) Substance ΔH°<sub>f</sub> (kJ/mol) C<sub>3</sub>H<sub>6</sub>(g) +20) 4 CO<sub>2</sub>(g) -393.5 H<sub>2</sub>O(l) -285.8 A) +2017.5 kJ B) -2058.3 kJ C) -658.9 kJ D) -2017.5 kJ E) +2058.3 kJ
O2(g) → 3CO2(g) + 3H2O(l)
Substance
ΔH°f (kJ/mol)
C3H6(g)
+20) 4
CO2(g)
-393.5
H2O(l)
-285.8


A) +2017.5 kJ
B) -2058.3 kJ
C) -658.9 kJ
D) -2017.5 kJ
E) +2058.3 kJ

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