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Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?
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Why is it that 85.48 rounded to two significant figures is 85 and not 86?
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Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n): a. observation. b. measurement. c. theory. d. natural law. e. experiment.
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this isn't fair at all why should someone delete another person's account for commenting. it isn't f...
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