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Enzymes affect the reactions in living cells by changing the
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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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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
Answers: 1
What does potential energy mean? Give an example of an object that has potential energy that is not...
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