A thick window pane 0.367 cm has an area of 1.247 square meters. The temperature difference between the inside and outside surfaces of the window is 33.2°C. What is the rate of heat flow through this window in J/s if the thermal conductivity for glass is 0.8 J/s/m/°C?
A 16.1 g piece of metal (specific heat capacity 0.462 cal/g-°C) is heated so that its temperature increases by 8.5°C. How much heat in calories is transferred to it?
A hot metal bolt of mass 0.06 kg and specific heat capacity 899 J/kg°C is dropped into a calorimeter containing 0.16 kg water at 20°C.The bolt and water reach a final temperature of 25°C.What is the initial temperature of the bolt?