If you combine 330.0 mL of water at 25.00 C and 120.0 mL of water at 95.00 C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.

The specific heat of a certain type of metal is 0.128 J/(gC). What is the final temperature if 305 J of heat is added to 59.4 g of this metal, initially at 20.0 C?

The specific heat of a certain type of cooking oil is 1.75 J/(gC). How much heat energy is needed to raise the temperature of 2.88 kg of this oil from 23 C to 191 C?