For the answer to the question above,
Q = amount of heat (kJ)
cp = specific heat capacity (kJ/kg.K) = 4.187 kJ/kgK
m = mass (kg)
dT = temperature difference between hot and cold side (K). Note: dt in °C = dt in Kelvin
Q = 100kg * (4.187 kJ/kgK) * 15 K
Q = 6,280.5 KJ = 6,280,500 J = 1,501,075.5 cal
