A piece of metal of unknown specific heat, weighing 25 g and temperature 90°C, is dropped into 150 g of water at 10°C. They finally reach thermal equilibrium at a temperature of 24°C. Calculate the unknown specific heat capacity.
a) 0.9 J/g°C
b) 1.0 J/g°C
c) 1.5 J/g°C
d) 2.0 J/g°C
