Problem- part a calculate the change in enthalpy in kj for, Ask an Expert

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Problem- Part a) Calculate the change in enthalpy, in kJ, for the combustion of 6.75 moles of C6H14 in oxygen. Report your answer in scientific notation (X.XXEX) with three significant figures. Do not include units in your answer. The enthalpy of formation of C6H14 is -198.7 kJ mol-1.

Part b) Calculate the change in enthalpy, in kJ, for the combustion of 4.25 moles of C2H6 in oxygen. Report your answer in scientific notation (X.XXEX) with three significant figures. Do not include units in your answer. The enthalpy of formation of C2H6 is -84.7 kJ mol-1.

It would be good if you guys demonstrate the work clearly thus I know how to do it later on for reference.

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