Question- The propane fuel (C3H8) used in gas barbeques burns according to the following thermochemical equation-
C3H8(g)+5O2(g)?3CO2(g)+4H2O(g)?H?rxn=?2217kJ
Part A
If a pork roast must absorb 1600kJ to fully cook, and if only 14% of the heat produced by the barbeque is actually absorbed by the roast, what mass of CO2 is emitted into the atmosphere during the grilling of the pork roast?
Anyone can tell me how to solve it step by step so that I will be able to understand what is going on?