these are questions from my text book, and i don't really understand them. Given the reaction at equilibrium: X2(g) + 2 Y2(g) 2 XY2(g) + 80 kcal The equilibrium point will shift to the right if the... pressure is increased and temperature is increasedpressure is increased and temperature is decreasedpressure is decreased and temperature is increasedpressure is decreased and temperature is decreased 2.Given the reaction at equilibrium: N2(g) + O2(g) 2 NO(g) If the temperature remains constant and the pressure increases, the number of moles of NO(g) will... decreaseincreasestay the same 3.For a given system at equilibrium, lowering the temperature will always... increase the rate of reaction.increase the concentration of products.favour the exothermic reaction.favour the endothermic reaction.4.The addition of a catalyst to a system at equilibrium will increase the rate of... (1分)only the forward reactiononly the reverse reactionboth the forward and reverse reactionsneither the forward not reverse reaction 5.Ammonia is produced commercially by the Haber reaction according to the following reaction: N2(g) + 3 H2(g) 2 NH3(g) + heat The formation of ammonia is favoured by... an increase in pressurea decrease in pressureremoval of N2(g)removal of H2(g) 6.QuestionGiven the reaction at equilibrium: 2 SO2(g) + O2(g) 2 SO3(g) + heat Which change will shift the equilibrium to the right? increasing the temperatureincreasing the pressuredecreasing the amount of SO2(g)decreasing the amount of O2(g) 7.Given the reaction at STP and at equilibrium: H2(g) + Cl2(g) 2HCl(g) Which change will result in an increase in the concentration of Cl2(g)? decreasing the pressure of the systemdecreasing the concentration of HCl(g)increasing the concentration of H2(g)increasing the concentration of HCl(g)8.Given the reaction: N2(g) + O2(g) + 186.2 kJ 2 NO(g) Which change would cause an immediate increase in the rate of the forward reaction? increasing the concentration of NO(g)increasing the concentration of N2(g)decreasing the reaction temperaturedecreasing the reaction pressure 9.Given the reaction at equilibrium: 2 A(g) + 3 B(g) A2B3(g) + heat Which change will not affect the equilibrium concentrations of A(g), B(g) and A2B3(g)? adding more A(g)adding a catalystincreasing the temperatureincreasing the pressure 10.Given the close system at equilibrium: CO2(g) CO2(aq) As the pressure on the system increases, the solubility of the CO2(g) decreasesincreasesremains the same

Question

these are questions from my text book, and i don't really understand them. Given the reaction at equilibrium: X2(g) + 2 Y2(g) <--> 2 XY2(g) + 80 kcal The equilibrium point will shift to the right if the... pressure is increased and temperature is increasedpressure is increased and temperature is decreasedpressure is decreased and temperature is increasedpressure is decreased and temperature is decreased 2.Given the reaction at equilibrium: N2(g) + O2(g) <--> 2 NO(g) If the temperature remains constant and the pressure increases, the number of moles of NO(g) will... decreaseincreasestay the same 3.For a given system at equilibrium, lowering the temperature will always... increase the rate of reaction.increase the concentration of products.favour the exothermic reaction.favour the endothermic reaction.4.The addition of a catalyst to a system at equilibrium will increase the rate of... (1分)only the forward reactiononly the reverse reactionboth the forward and reverse reactionsneither the forward not reverse reaction 5.Ammonia is produced commercially by the Haber reaction according to the following reaction: N2(g) + 3 H2(g) <--> 2 NH3(g) + heat The formation of ammonia is favoured by... an increase in pressurea decrease in pressureremoval of N2(g)removal of H2(g) 6.QuestionGiven the reaction at equilibrium: 2 SO2(g) + O2(g) <--> 2 SO3(g) + heat Which change will shift the equilibrium to the right? increasing the temperatureincreasing the pressuredecreasing the amount of SO2(g)decreasing the amount of O2(g) 7.Given the reaction at STP and at equilibrium: H2(g) + Cl2(g) <--> 2HCl(g) Which change will result in an increase in the concentration of Cl2(g)? decreasing the pressure of the systemdecreasing the concentration of HCl(g)increasing the concentration of H2(g)increasing the concentration of HCl(g)8.Given the reaction: N2(g) + O2(g) + 186.2 kJ <--> 2 NO(g) Which change would cause an immediate increase in the rate of the forward reaction? increasing the concentration of NO(g)increasing the concentration of N2(g)decreasing the reaction temperaturedecreasing the reaction pressure 9.Given the reaction at equilibrium: 2 A(g) + 3 B(g) <--> A2B3(g) + heat Which change will not affect the equilibrium concentrations of A(g), B(g) and A2B3(g)? adding more A(g)adding a catalystincreasing the temperatureincreasing the pressure 10.Given the close system at equilibrium: CO2(g) <--> CO2(aq) As the pressure on the system increases, the solubility of the CO2(g) decreasesincreasesremains the same

Accepted Answer

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eases, the number of moles of NO(g) will... decrease increase stay the same 3.For a given system at equilibrium, lowering the temperature will always... increase the rate of reaction. increase the concentration of products. favour the exothermic reaction. favour the endothermic reaction.