Breakdown of glucose into ethanol and carbon dioxide

Question

Assignment:

Alcoholic fermentation by microorganisms involves the breakdown of glucose into ethanol and carbon dioxide.

C₆H₁₂O₆ (s) → 2 C₂H₅OH (l) + 2 CO₂ (g)

a) Calculate the amount of heat liberated in a yeast brew upon fermentation of 1 mol of glucose at 25 °C and 1 atm.
b) What fraction is the heat calculated in (a) of the amount of heat liberated by the complete combustion of glucose to CO2 and H20 (l) under the same conditions?

Provide complete and step by step solution for the question and show calculations and use formulas.