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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Consider this initial-rate data at a certain temperature for the reaction described by
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What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
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An element in its ground state has the following electron configuration. 1s22s22p63s2 How many energ...
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