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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.
Answers: 1
Chemistry, 22.06.2019 21:30, djdjdjdbdbjx
What is another way to determine mass times acceleration?
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How many grams of NH4Cl (ammonium chloride) should dissolve in 50mL of water at 20 degrees Celsius?...
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