Part A\ Propane

(C_(3)H_(8))

burns according to the following balanced equation:\

C_(3)H_(8)(g)+5O_(2)(g)->3CO_(2)(g)+4H_(2)O(g)

\ You may want to reference (Page) Section 6.9 while completing this problem.\ Calculate

\\\\Delta H_(r\\\\times n)\\\\deg

for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of gaseous propane is

-103.9k(J)/(m)ol

.)\ Express the enthalpy in kilojoules to four significant figures.\

\\\\Delta H_(rxn)\\\\deg =

\

kJ

Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)3CO2(g)+4H2O(g) You may want to reference (Page) Section 6.9 while completing this problem. Calculate Hrxn for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of gaseous propane is 103.9kJ/mol.) Express the enthalpy in kilojoules to four significant figures