The standard enthalpy of combustion of propane gas at is and the standard enthalpy of…

CHEMISTRY · Single correct · AP · Chemistry · Thermochemistry · Thermochemistry

Problem

The standard enthalpy of combustion of propane gas at

27^\circ C

-2220\ \text{kJ}\ \text{mol}^{-1}

and the standard enthalpy of vaporisation of

C_3H_8

15\ \text{kJ}\ \text{mol}^{-1}

27^\circ C

. What is the standard internal energy change for combustion of liquid propane? Water is formed during combustion. (1)

-2205

kJ (2)

-2200

kJ (3)

-1100

kJ (4)

-6600