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Use the density of barium (d = 3.62 g/cm3) to determine the volume in cubic centimeters of a sample that has a mass of 34.0 kilograms.
Answers: 2
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Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Heat is the total potential energy of a substance that can be transferred. true false
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Use the density of barium (d = 3.62 g/cm3) to determine the volume in cubic centimeters of a sample...
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