Chemistry, 05.05.2021 23:50 schoolboyq3017
Which of the following is true of a balanced equation?
1. The number of atoms per molecule remains the same
2. The kinds of atoms remain the same
3. The number of atoms of each element remains the same
4. The total number of molecules remains the same
Answers: 3
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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.
Answers: 1
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11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out
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Which of the following is true of a balanced equation?
1. The number of atoms per molecule remains...
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