If 6.72 moles of H2O were produced, how many moles of O2 were used ? Units to convert: ___ to

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.

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If two objects at different te, peraure are in contact with each other what happens to their temperature