Exam 14: Chemical Equilibrium: How Much Product Does a Reaction Really Make

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Consider the reaction of nitrogen and hydrogen gas under standard state conditions to form two moles of ammonia gas (NH3). Write the initial expression for Kc that would be derived from a RICE table if the concentrations of all species were as follows. [N2] 3 M [H2] 2 M [NH3] 1 M

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Write an expression for the equilibrium constant for the formation of two moles of ammonia gas (NH3) from nitrogen and hydrogen in their standard states.

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The chemical equilibrium constant for the following reaction is 2.15 102. 2NO2(g) The chemical equilibrium constant for the following reaction is 2.15 <font face=symbol></font> 10<sup>2</sup>. 2NO<sub>2</sub>(g)   N<sub>2</sub>O<sub>4</sub>(g) What is the value of the equilibrium constant for the following reaction? 6NO<sub>2</sub>(g)   3N<sub>2</sub>O<sub>4</sub>(g) N2O4(g) What is the value of the equilibrium constant for the following reaction? 6NO2(g) The chemical equilibrium constant for the following reaction is 2.15 <font face=symbol></font> 10<sup>2</sup>. 2NO<sub>2</sub>(g)   N<sub>2</sub>O<sub>4</sub>(g) What is the value of the equilibrium constant for the following reaction? 6NO<sub>2</sub>(g)   3N<sub>2</sub>O<sub>4</sub>(g) 3N2O4(g)

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The equilibrium constant for the reaction below is 1.3102. The equilibrium constant for the reaction below is 1.3<font face=symbol></font><font face=symbol></font>10<font face=symbol><sup></sup></font><sup>2</sup>.       What is the value of the equilibrium constant for the following reaction?      The equilibrium constant for the reaction below is 1.3<font face=symbol></font><font face=symbol></font>10<font face=symbol><sup></sup></font><sup>2</sup>.       What is the value of the equilibrium constant for the following reaction?      The equilibrium constant for the reaction below is 1.3<font face=symbol></font><font face=symbol></font>10<font face=symbol><sup></sup></font><sup>2</sup>.       What is the value of the equilibrium constant for the following reaction?      What is the value of the equilibrium constant for the following reaction? The equilibrium constant for the reaction below is 1.3<font face=symbol></font><font face=symbol></font>10<font face=symbol><sup></sup></font><sup>2</sup>.       What is the value of the equilibrium constant for the following reaction?      The equilibrium constant for the reaction below is 1.3<font face=symbol></font><font face=symbol></font>10<font face=symbol><sup></sup></font><sup>2</sup>.       What is the value of the equilibrium constant for the following reaction?      The equilibrium constant for the reaction below is 1.3<font face=symbol></font><font face=symbol></font>10<font face=symbol><sup></sup></font><sup>2</sup>.       What is the value of the equilibrium constant for the following reaction?

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At a high temperature, carbon dioxide decomposes to produce carbon monoxide and oxygen. Which expression corresponds to the equilibrium constant for the reaction written as At a high temperature, carbon dioxide decomposes to produce carbon monoxide and oxygen. Which expression corresponds to the equilibrium constant for the reaction written as      At a high temperature, carbon dioxide decomposes to produce carbon monoxide and oxygen. Which expression corresponds to the equilibrium constant for the reaction written as      At a high temperature, carbon dioxide decomposes to produce carbon monoxide and oxygen. Which expression corresponds to the equilibrium constant for the reaction written as

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Write the expression for the reaction quotient for the reaction Cu2(aq) 4NH3(aq) Write the expression for the reaction quotient for the reaction Cu<sup>2</sup><font face=symbol><sup></sup></font>(aq) <font face=symbol></font> 4NH<sub>3</sub>(aq)   Cu(NH<sub>3</sub>)<sub>4</sub><sup>2</sup><font face=symbol><sup></sup></font>(aq) Cu(NH3)42(aq)

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The equilibrium constant for the reaction below is 17.5. S(s) 3O2(g) The equilibrium constant for the reaction below is 17.5. S(s) <font face=symbol></font> 3O<sub>2</sub>(g)   2SO<sub>3</sub>(g) What is the value of the equilibrium constant for the following reaction? 6SO<sub>3</sub>(g)   3S(s) <font face=symbol></font> 9O<sub>2</sub>(g) 2SO3(g) What is the value of the equilibrium constant for the following reaction? 6SO3(g) The equilibrium constant for the reaction below is 17.5. S(s) <font face=symbol></font> 3O<sub>2</sub>(g)   2SO<sub>3</sub>(g) What is the value of the equilibrium constant for the following reaction? 6SO<sub>3</sub>(g)   3S(s) <font face=symbol></font> 9O<sub>2</sub>(g) 3S(s) 9O2(g)

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Increasing the temperature of an exothermic reaction results in ________

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The reaction of bromine gas with chlorine gas, shown here, has a Kp value of 7.20. If a closed vessel was charged with the two reactants, each at an initial partial pressure of 0.500 atm, what would be the equilibrium partial pressure of BrCl(g)? Br2(g) Cl2(g) The reaction of bromine gas with chlorine gas, shown here, has a K<sub>p</sub> value of 7.20. If a closed vessel was charged with the two reactants, each at an initial partial pressure of 0.500 atm, what would be the equilibrium partial pressure of BrCl(g)? Br<sub>2</sub>(g) <font face=symbol></font> Cl<sub>2</sub>(g)   2 BrCl(g) 2 BrCl(g)

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Which of the following is the equilibrium expression for the scrubbing reaction of calcium oxide and sulfur dioxide to remove sulfur dioxide from the exhaust gases of coal-fired power plants? CaO(s) SO2(g) Which of the following is the equilibrium expression for the scrubbing reaction of calcium oxide and sulfur dioxide to remove sulfur dioxide from the exhaust gases of coal-fired power plants? CaO(s) <font face=symbol></font> SO<sub>2</sub>(g)   CaSO<sub>3</sub>(s) CaSO3(s)

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Given the reaction below, explain how the equilibrium would be reestablished after each of the following stresses are applied. 4NH3(g) 3O2(g) Given the reaction below, explain how the equilibrium would be reestablished after each of the following stresses are applied. 4NH<sub>3</sub>(g) <font face=symbol></font> 3O<sub>2</sub>(g)   2N<sub>2</sub>(g) <font face=symbol></font> 6H<sub>2</sub>O(g)   H<sup>°</sup> <font face=symbol></font> <font face=symbol></font>12.0 kJ/mol a) Addition of water b) Removal of ammonia c) Increase of the volume of the container d) Lowering of the reaction temperature 2N2(g) 6H2O(g) Given the reaction below, explain how the equilibrium would be reestablished after each of the following stresses are applied. 4NH<sub>3</sub>(g) <font face=symbol></font> 3O<sub>2</sub>(g)   2N<sub>2</sub>(g) <font face=symbol></font> 6H<sub>2</sub>O(g)   H<sup>°</sup> <font face=symbol></font> <font face=symbol></font>12.0 kJ/mol a) Addition of water b) Removal of ammonia c) Increase of the volume of the container d) Lowering of the reaction temperature H° 12.0 kJ/mol a) Addition of water b) Removal of ammonia c) Increase of the volume of the container d) Lowering of the reaction temperature

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