How much ox can be heated from 14 ° C to 50 ° C due to the combustion of 30 g of alcohol?

How much ox can be heated from 14 ° C to 50 ° C due to the combustion of 30 g of alcohol? assume that all the heat released during the combustion of alcohol is absorbed by water.

All the heat from the combustion of alcohol is absorbed by water and the ratio is correct: Q1 (combustion of alcohol) = Q2 (heating of water), where Q1 = q * m1 (q is the specific heat of combustion of alcohol (q = 27 * 10 ^ 6 J / kg), m1 Is the mass of alcohol (m1 = 30 g = 0.03 kg)) and Q2 = C * m2 * (t – t0) (C is the specific heat of water (C = 4200 J / (kg * K)), t is the final temperature (t = 50 ºС), t0 – temperature before heating (t0 = 14 ºС)).

q * m1 = C * m2 * (t – t0);

m2 = q * m1 / (C * (t – t0)) = 27 * 10 ^ 6 * 0.03 / (4200 * (50 – 14)) = 5.36 kg.