Eric warms up 1kg milk in a pan on a gas stove from 20 °C to 80 °C. Of the energy the gas supplies, 50% is lost and 20% is absorbed by the pan. The remaining energy goes to the milk. The formula for the specific heat of the milk is 3,9 J/g · °C. The heat of combustion of the gas is 32 MJ/m3. How many cubic meters of gas has been burnt by Eric?
A. 0,0024
B. 0,024
C. 0,15
D. 0,24
E. 1,5
"Eric warms up 1kg milk in a pan on a gas stove from 20 °C to 80 °C. Of the energy the gas supplies, 50% is lost and 20% is absorbed by the pan. The remaining energy goes to the milk. The formula for the specific heat of the milk is 3,9 J/g · °C. The heat of combustion of the gas is 32 MJ/m3. How many cubic meters of gas has been burnt by Eric?"