Q1 = cm(t2-t1) = 4200*5*90 = 1890000 = 1890кДж. - для нагрева водыQ2 = 0.8*460*90 = 33120 = 33,12кДж;
Q = 33.12+1890 = 1923.12кДж;
Q1 = cm(t2-t1) = 4200*5*90 = 1890000 = 1890кДж. - для нагрева водыQ2 = 0.8*460*90 = 33120 = 33,12кДж;
Q = 33.12+1890 = 1923.12кДж;