[tex]Dane:\\m = 3 \ kg\\c_{t} = 105\frac{kJ}{kg}=105 \ 000\frac{J}{kg}\\Szukane:\\Q =?\\\\Q = m\times c_{t}\\\\Q = 3 \ kg\times 105 \ 000\frac{J}{kg}\\\\\boxed{Q = 315 \ 000 \ J = 315 \ kJ}\\\\(1 \ kJ = 1000 \ J)[/tex]
Odp. Należy dostarczyć 315 kJ ciepła.
