Question

The heat energy produced by the complete combustion of 25 g of a fuel is supplied to 500 g of water to increase the value of temperature from 35°C to 55°C. Find the calorific value of the fuel. (Specific heat capacity of water 1 cal g-1°c-1).​

Answer 1

Answer:

thanks for the points thanks for the points thanks for the points

Answer 2

Answer:

is the answer -15 and if -15 is not so sorry I am weak in maths