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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, 22.06.2019 19:30, periwinkleaqua72
What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2
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Chemistry, 23.06.2019 01:00, ZaNiyahlove4711
Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
Answers: 1
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