1) When two atoms of 2H are fused to form one atom of 4He, the total energy evolved is 3.83 × 10-12 J. What is the total change in mass (in kg) for this reaction? (C = 3.00 × 108 m/s)
2) How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0 amp for 10.0 hours