The fuel value of propane is 50.3 kJ/g.If a full barbecue grill tank holds 9.0 kg,how much heat results from the complete combustion of all the propane? (Watch your units!)

Question

Quizplus · Accepted Answer

Firstly, we need to convert the mass from kg to g:
9.0 kg = 9.0 x 10^3 g
Next, we can use the formula: 
Heat released = fuel value x mass
Heat released = 50.3 kJ/g x 9.0 x 10^3 g
Heat released = 452,700 kJ
Therefore, the answer is B.

The Fuel Value of Propane Is 50