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Chemistry, 19.05.2020 02:02, cjsboardinghouse
Water at 74.3°C is cooled to 24.7°C. 1,188.5 J of heat are given off. What is the mass of the water?
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Answers: 2
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Chemistry, 22.06.2019 23:00, lufung8627
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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Water at 74.3°C is cooled to 24.7°C. 1,188.5 J of heat are given off. What is the mass of the water?...
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