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If a pork roast must absorb 1500kJ to fully cook, and if only 11% of the...

If a pork roast must absorb 1500kJ to fully cook, and if only 11% 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? Express your answer using two significant figures. The propane fuel (C3H8) used in gas barbeques burns according to the following thermochemical equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)ΔH∘rxn=−2044kJ

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Answer #1

Heat to be produced x 11 - 1500 kJ 1 oo KJ Do =) Heat to be produced = 1500 KJ X 100 = 13636.364 KI 2044 kJ of heat is releasComment in case of any doubt.

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