Question

Compute the amount of heat released (absolute value) when 1.4 kg of liquid ethanol is burned in excess oxygen to make carbon dioxide and liquid water. Use the thermodynamic data for 298.15 K found in the NIST Chemistry WebBook (webbook.nist.gov) to compute your answer.

Answer 1

C2H5OH +3 O2-> 2 CO2 + 3 H2O +Q
the heat Q or ΔΗ mast be calc from given data
them calc moles of ethanol
and calc heat released...