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The mass of a single potassium atom is 6.50×10-23 grams. How many potassium atoms would there be in 329 milligrams of potassium?
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Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
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The mass of a single potassium atom is 6.50×10-23 grams. How many potassium atoms would there be in...
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