 # D between ions in aqueous solution is extremely rapid

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D.between ions in aqueous solution isextremely rapid because there are nobonds that need to be broken.35 gB.60 gC.105 gD.174 g41.The decomposition of carbon disulfide, CS2, tocarbon monosulfide, CS, and sulfur is first orderwith k = 2.8 x 10-7 s-1 at 1000oC.How many grams of Ca(OH)2 are contained in1500 mL of 0.0250 M Ca(OH)2 solution?What is the half-life of this reaction at 1000oC?42.The half-life for a first-order reaction is 32 s.What was the original concentration if, after 2.0minutes, the reactant concentration is 0.062 M?A.0.84 M43.Calculate the standard heat of formation, Hfo, forFeS2(s), given the following information:2FeS2(s) + 5O2(g) 2FeO(s) + 4SO2(g)Horxn = -1370 kJHfo for SO2(g) = -297 kJ/molHfo for FeO(s) = -268 kJ/mol0.099 MC.0.139 MD.0.079 M49.How many equivalents of phosphoric acid arecontained in 300 mL of 4.00 M phosphoric acid?(Assume the acid is to be completely neutralizedby a base.)44.Calculate Go for the reaction given the followinginformation:2SO2(g) + O2(g) 2SO3(g)Gfo for SO2(g) = -300.4 kJ/molGfo for SO3(g) = -370.4 kJ/molA.-70.0 kJB.+70.0 kJC.-670.8 kJD.-140.0 kJ45.What mass of lithium nitride could be formedfrom 104 g of lithium and excess nitrogen gas?A.35 gB.60 gC.105 gD.174 g46.How many grams of Ca(OH)2 are contained in1500 mL of 0.0250 M Ca(OH)2 solution?47.What volume of 12.6 M HCl must be added toenough water to prepare 5.00 liters of 3.00 MHCl?48.A 0.6745 gram sample of KHP reacts with 41.75mL of KOH solution for complete neutralization.What is the molarity of the KOH solution?(Molecular weight of KHP = 204 g/mol. KHP hasone acidic hydrogen.)B.0.099 MC.0.139 MD.0.079 M49.How many equivalents of phosphoric acid arecontained in 300 mL of 4.00 M phosphoric acid?(Assume the acid is to be completely neutralizedby a base.)
50.Calculate the normality of a solution that contains4.5 g of (COOH)2 in 3000 mL of solution?(Assume the (COOH)2 is to be completelyneutralized in an acid-base reaction.)
51.What volume of 0.100 N HNO3 is required toneutralize 50.0 mL of a 0.150 N solution ofBa(OH)2?A.50.0 mL

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