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Camping gas is typically propane. The standard enthalpy of combustion of propane gas is $-2220 \mathrm{kJ} \mathrm{mol}^{-1}$ and the standard enthalpy of vaporizat...

Question

Camping gas is typically propane. The standard enthalpy of combustion of propane gas is $-2220 \mathrm{kJ} \mathrm{mol}^{-1}$ and the standard enthalpy of vaporization of the liquid is $+15 \mathrm{kJ} \mathrm{mol}^{-1}$ Calculate (a) the standard enthalpy and (b) the standard internal energy of combustion of the liquid.

Camping gas is typically propane. The standard enthalpy of combustion of propane gas is $-2220 \mathrm{kJ} \mathrm{mol}^{-1}$ and the standard enthalpy of vaporization of the liquid is $+15 \mathrm{kJ} \mathrm{mol}^{-1}$ Calculate (a) the standard enthalpy and (b) the standard internal energy of combustion of the liquid.



Answers

Pentane (C5H12) is a component of gasoline that burns according to the following balanced equation:

Calculate Hrxn for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of liquid pentane is -146.8 kJ>mol.)


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