Problem: Be sure to answer all parts.Three of the reactions that occur when the paraffin of a candle (typical formula C 21H44) burns are as follows: (1) Complete combustion forms CO2 and water vapor. (2) Incomplete combustion forms CO and water vapor. (3) Some wax is oxidized to elemental C (soot) and water vapor. Part 1 out of 3(a) Find ΔH°combustion of each reaction for 1 mol of C21H44 (ΔH°f of C21H44 = -476 kJ/mol: use graphite for elemental carbon). 

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Be sure to answer all parts.

Three of the reactions that occur when the paraffin of a candle (typical formula C 21H44) burns are as follows: 

(1) Complete combustion forms CO2 and water vapor. 

(2) Incomplete combustion forms CO and water vapor. 

(3) Some wax is oxidized to elemental C (soot) and water vapor. 

Part 1 out of 3

(a) Find ΔH°combustion of each reaction for 1 mol of C21H44 (ΔH°f of C21H44 = -476 kJ/mol: use graphite for elemental carbon).