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How many moles of helium are in 2.4 x 1024 helium atoms
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Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.
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One does not belong why? ice, gold ,wood ,diamond and table salt
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How many moles of helium are in 2.4 x 1024 helium atoms...
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