Answer to Question #179871 in General Chemistry for bill

Question

a. Write out the balanced chemical equation for the complete combustion of propene, C3H6 (g).

b. Given the following:

C3H6 (g) + H2 (g) --> C3H8 (g) ∆H ̊R = -124.3 kJ/mol

C3H8 (g) + 5O2 (g) ---> 3CO2 (g) + 4H2O(l) ∆H ̊R = -228.5 kJ/mol

H2 (g) + 1/2O2 (g) ---> H2O(l) ∆H ̊R = -285.5 kJ/mol 

Calculate the heat of combustion for propene in kJ/mol.

Answer 1

a)

$2C_3H_{6(g)}+9O_{2(g)}\to 6CO_{2(g)}+6H_2O_{(g)}$

b) $H_c C_3H_6$

$=-846. 7kJ/mol$