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Chemistry, 21.06.2019 17:40
Does the energy in a solid increase or decrease when changing to a liquid?
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Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?
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In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow
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6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
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Calculate the density of a piece of bone with a mass of 3.8 grams and a volume of 2.0 cubic centimet...
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