A 262-g block of gold at 72.0°C is immersed in 155 g of water at 25.0°C. Find the equilibrium temperature, assuming the system is isolated and the heat capacity of the cup can be neglected.
°C
A 16.5 kg gold bar at 26.0°C is placed in a large, insulated 0.800 kg glass container at 15.0°C with 2.00 kg of water at 25.0°C. Calculate the final equilibrium temperature.
°C
What mass of ice at -10.5°C is needed to cool a whale's water tank, holding 1.27 103 m3 of water, from 20.0°C down to a more comfortable 10.0°C?
kg