What does the data in a science experiment show?

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j