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(LO 37,45) A reaction is 75% complete in 45.0 min. How long after its start will the reaction be 50% complete if it is (A) first order; (B) zero order
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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What is the mass of 0.750 mole of aluminum oxide, al2o3?
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(LO 37,45) A reaction is 75% complete in 45.0 min. How long after its start will the reaction be 50%...
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