Possible Topics : CALORIMETRY , LAW OF CONSERVATION OF ENERGY

1. Determine the amount of heat released by a 3.0 kg of water when it cools from 80C to 10C.

2. What will be the final temperature if a 4 x 10 J of heat is transferred to a 1 kg block of aluminum initially at 20C ?

3. A brass of 1kg mass has an initial temperature of 98C and is submerged in 0.64 kg of water at 7C. The final temperature is 30C. Find the specific heat capacity of the brass.

Please show your complete solution so I can understand it.