Δh for the formation of cucl2 from its elements is -220.1 kj/mol. when 0.30 mole of cucl2 is formed:
a) energy will be released.
b) energy will be required.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?