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What is the molecular formula of a compound if its empirical formula is NO₂ and the molecular mass is 276g/mol?
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Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
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Compare and contrast physical changes with chemical changes.
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What is the molecular formula of a compound if its empirical formula is NO₂ and the molecular mass i...
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