1. Write the proper nuclear reactions for the following:

a) Beta-decay of radon-222

b) Alpha-decay of uranium-238

2. You learned how a CANDU nuclear reactor produces electricity. Write out the energy transformations that take place in a nuclear reactor, and describe each one in detail.

1. A 0.400 kg sample of aluminum (c = 9.10 x 102 J/kgC) at 95.0 C is dropped into a 0.550 kg pot of water which is at 18.0 C. What temperature will the mixture come to?

2. How much thermal energy is absorbed by a 0.022 kg ice cube as it melts? The latent heat of fusion of water is 3.4x 105 J/kg.