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1) Calculate the heat of combustion for C2H6 from the following information:

1) Calculate the heat of combustion for C2H6 from the following information:
C2H4+3O2-> 2CO2+2H2O
C2H4+H2->C2H6
H2+1/2O2->H2O
2) Discuss the idea that the standard of living in society might be measured in units of kJ/person available in that society.
The unit itself is called energy in chemical reactions if that helps.
I attached the exact questions and they are  47 and 48 that need to be solved.

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