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/m^{3}. 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

Guest Jun 21, 2019

#1**+2 **

"*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?*"

Alan Jun 21, 2019