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11 Nov 2019
4a. (lp) At a given point during a chemical reaction run at 25°C, Q 679. We are told that K,- 844 for that reaction, at the same temperature. In which direction will the reaction go, toward formation of product or of reactants (right or left)? Explain why b. (Ipt) For a chemical reaction, the value of Ke was found to be 6.8 x 10s. will the equilibrium composition of the reaction mixture be made up predominantly of products or of reactants? Explain how you know. 5. (2pts) For the following reaction at 25°C : 2NOw + Oroè¹2N0200 Ke 3.40 x 10-'M Calculate the equilibrium concentration of NO2, given the following equilibrium concentrations: NO]-0.66M, [o]-1.91M 6·(4pts) Two moles of H2Ow and two moles of COs) are injected into a flask with v-10.0L, at 200°C. They react as follows: Given Ke -3.0, calculate the equilibrium concentration of Ha, in M. Show values, and unknowns in the ICE table. Show calculations. Circle your answer. equation, given Initial condc. Change Equilibrium conc
4a. (lp) At a given point during a chemical reaction run at 25°C, Q 679. We are told that K,- 844 for that reaction, at the same temperature. In which direction will the reaction go, toward formation of product or of reactants (right or left)? Explain why b. (Ipt) For a chemical reaction, the value of Ke was found to be 6.8 x 10s. will the equilibrium composition of the reaction mixture be made up predominantly of products or of reactants? Explain how you know. 5. (2pts) For the following reaction at 25°C : 2NOw + Oroè¹2N0200 Ke 3.40 x 10-'M Calculate the equilibrium concentration of NO2, given the following equilibrium concentrations: NO]-0.66M, [o]-1.91M 6·(4pts) Two moles of H2Ow and two moles of COs) are injected into a flask with v-10.0L, at 200°C. They react as follows: Given Ke -3.0, calculate the equilibrium concentration of Ha, in M. Show values, and unknowns in the ICE table. Show calculations. Circle your answer. equation, given Initial condc. Change Equilibrium conc
Nelly StrackeLv2
4 Aug 2019