Question

Calculate the quantity of heat required to raise the temperature of 1g of ice from (-10c) to 110c.

Answer 1

$Q_1=c_im\Delta t_1=21~J,$

$Q_2=\lambda m=334~J,$

$Q_3=c_wm\Delta t_2=420~J,$

$Q_4=Lm=2300~J,$

$Q_5=c_sm\Delta_3=21~J,$

$Q=Q_1+Q_2+Q_3+Q_4+Q_5=3.1~kJ.$