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Estimate the optimal number of neutrons for a nucleus containing 70 protons.
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Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
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The vapor pressure of ethanol is 1.00 à 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)
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What is the oxidation state of an individual bromine atom in nabro3?
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Chemistry, 23.06.2019 01:00
Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green
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Estimate the optimal number of neutrons for a nucleus containing 70 protons....
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