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What is the mole fraction of oxygen in a gaseous mixture containing 25 grams of oxygen, 15 grams of nitrogen, and 10 grams of helium?
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Once similarity and one difference between a mixture of elements and a mixture of compounds
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In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.
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Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?
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What is the mole fraction of oxygen in a gaseous mixture containing 25 grams of oxygen, 15 grams of...
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