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Chemistry, 21.06.2019 17:30, KindaSmartPersonn
What is the formula for the molecular compound nitrogen monoxide
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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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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Please answer this, im too lazy to do the experiment.
1. What happened to the heavier materials in...
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