Chemistry, 26.07.2019 20:30 isabellemdeakin
Which of the conversion factors below is the "center piece" or middle step of every stoichiometry problem? a) molar volume b) molar mass c) mole ratio d) avogadro's number
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Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?
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Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?
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Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.
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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
Which of the conversion factors below is the "center piece" or middle step of every stoichiometry pr...
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