Question 1 Report
0.46g of ethanol when burned raised the temperature of 50g of water by 14.3K. Calculate the heat of combustion of ethanol.
[C = 12, O = 16, H = 1, Specific heat capacity of water = 4.2 jg-1K-1]
Answer Details
Heat, = -M C Q = -50 * 4.2 * 14.3 = -300 KJ mol-1