Answer:Calculate the thermal energy change when 0.200 kg of water cools from 100°C to 25.0°C.
change in temperature = (100 - 25) = 75.0°C.
change in thermal energy = mass × specific heat capacity × change in temperature.
= 0.200 × 4,180 × 75.0.
= 62,700 J (62.7kJ)
Explanation: