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21:11, basic, multiple choice,<1 min, fixed.016(part 1 of 1) 6 pointsConsider the reactionC(s) + CO2(g)→2 CO(g).At equilibrium at a certain temperature, thepartial pressures of CO(g) and CO2(g) are1.22 atm and 0.780 atm, respectively. Calcu-late the value ofKfor this reaction.184.108.40.206.003.1.91correctIf the initial concentration of Ni(CO)4(g)is 1.0 M, andxis the equilibrium concentra-tion of CO(g), what is the correct equilibriumrelation?
Version 001 – Exam 1 – David Laude (53015)621:11, general, multiple choice,>1 min, nor-mal.018(part 1 of 1) 6 pointsKc= 50 at some temperature for the reactionH2(g) + I2(g)*)2 HI(g).If 27.5 mol of HI are introduced into a 10.0liter vessel, how many moles of I2are presentat equilibrium?Suppose the reactionA + 3 B→2 Chas a value ofK= 10.0 at a certain tempera-ture. If 0.5 moles of A, 0.5 moles of B and 0.5moles of C are placed in a 5 L solution, thereaction21:10, general, multiple choice,<1 min, fixed.019(part 1 of 1) 6 points
Version 001 – Exam 1 – David Laude (53015)71.unchanged from that in the original solu-tion.2.higher than that in the original solution.3.lower than that in the original solution.correct4.zero.Explanation:PrecipitatingoutCH3COOAgremovesCH3COO-from the equilibrium system andshifts the equilibrium to the right, dissociat-ing more CH3COOH to replace CH3COO-.Sparks equil 00621:15, general, multiple choice,<1 min, fixed.021(part 1 of 1) 6 pointsThe reactionA + B*)C + Dis at equilibrium. Increasing the temperatureof the reaction causes more C and D to beformed. This reaction is1.endothermic.correct