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Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).
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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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Calculate the number of molecules present in 0.750 mol of mgo.
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