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Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 23.06.2019 09:00, payshencec21
How many grams of ammonia are produced when 1.0 mole of nitrogen reacts
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How many grams of calcium phosphate can be produced when 89.3 grams of calcium chloride reacts with...
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