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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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What is the significance sodium hydroxide and hydrochloric acid
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How many significant figures are in the following numbers ? a. 0.0002030 b. 2.000 c. 2.008900 d. 145.00
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What is the buoyant force of a dog that displaces 10 pounds of water?...
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