Multiple ChoiceFor the reaction:N2 (g) + 2 O2 (g) ⇌ 2 NO2 (g), Kc = 8.3 x 10 -10 at 25°C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas?2670views2rank8comments
Multiple ChoiceAt a given temperature the gas phase reaction:N2 (g) + O2 (g) ⇌ 2 NO (g) has an equilibrium constant of 4.00 x 10 -15. What will be the concentration of NO at equilibrium if 2.00 moles of nitrogen and 6.00 moles oxygen are allowed to come to equilibrium in a 2.0 L flask.1767views1rank17comments
Multiple ChoiceCalculate the reaction quotient for the reaction below where the concentrations are [SO3] = 0.500 M, [SO2] = 0.0500 M, and [O2] = 0.100 M. 2 SO3 (g) ⇆ 2 SO2 (g) + O2 (g)381views
Multiple ChoiceIf Kc for the following reaction is 5.4 × 1013, 2 NO (g) + O2 (g) ⇆ 2 NO2 (g) what is Kc for the reaction shown below? 4 NO2 (g) ⇆ 4 NO (g) + 2 O2 (g)273views
Multiple ChoiceThe following reaction has a Kc value of 4.1 × 10-31 at 25 ºC. Calculate Kp at this temperature. N2 (g) + O2 (g) ⇆ 2 NO (g)274views
Multiple ChoiceCalculate Kc for the following reaction at 300 K where the equilibrium concentrations are [SO3] = 0.400 M, [SO2] = 0.200 M, and [O2] = 0.600 M. 2 SO3 (g) ⇆ 2 SO2 (g) + O2 (g)382views
Multiple ChoiceWhich of the following is a false statement about the relationship between Q and K?253views
Multiple ChoiceAt a given temperature the gas phase reaction: N2 (g) + O2 (g) ⇄ 2 NO (g) has an equilibrium constant of 4.18 x 10-7. What will be the concentration of NO at equilibrium if 2.00 moles of nitrogen and 6.00 moles oxygen are allowed to come to equilibrium in a 2.0 L flask?377views3rank
Multiple ChoiceConsider the following reaction:COBr2 (g) ⇌ CO (g) + Br2 (g)A reaction mixture initially contains 0.15 atm COBr2. Determine the equilibrium concentration of CO if Kp for the reaction at 25°C is 4.08.338views2rank
Multiple ChoiceAt a certain temperature, 0.810 mol NO is placed in a 5.00 L container. At equilibrium, 0.075 mol N2 is present. Calculate Kc. 2 NO (g) ⇌ N2 (g) + O2 (g)298views4rank
Multiple ChoiceWhen 0.600 atm of NO2 was allowed to come to equilibrium the total pressure was 0.875 atm. Calculate the Kp of the reaction. 2 NO2 (g) ⇌ 2 NO (g) + O2 (g)279views6rank
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