Chemistry, 30.08.2019 23:30 am2016832

How many half lives would pass if a mass of copper-66 decayed for 51 minutes? the half life of cu-66 is 5.10 minutes.

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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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