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The forward rate constant, kf, and reverse rate constant, kr, for a chemical reaction are not equal. Which of the following must be true?


A) The reaction will be unable to achieve equilibrium.
B) kf and kr will become equal as equilibrium is approached, owing to concentration changes.
C) kf and kr will become equal as equilibrium is approached, owing to temperature changes.
D) kf and kr will remain unequal but the rates will become equal, owing to concentration changes.
E) kf and kr will remain unequal but the rates will become equal, owing to temperature changes.

F) C) and E)
G) A) and B)

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Hydrofluoric acid, HF, dissociates in water according to the following reaction. HF(aq) Hydrofluoric acid, HF, dissociates in water according to the following reaction. HF(aq)   H<font face= symbol ><sup></sup></font>(aq) <font face= symbol ></font> F<font face= symbol ><sup></sup></font>(aq) K<sub>c</sub> <font face= symbol ></font> 3.5 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>4</sup> What is the concentration of H<font face= symbol ><sup></sup></font> in a 0.0100 M solution of HF? H(aq) F(aq) Kc 3.5 104 What is the concentration of H in a 0.0100 M solution of HF?

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Use the quadratic fo...

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The sulfide ion, S2, reacts with water as a weak base: S2 H2O The sulfide ion, S<sup>2</sup><font face= symbol ><sup></sup></font>, reacts with water as a weak base: S<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> H<sub>2</sub>O   SH<font face= symbol ><sup></sup></font> <font face= symbol ></font> OH<font face= symbol ><sup></sup></font><sup> </sup>K <font face= symbol ></font> 1.0 If sodium sulfide were dissolved in water to make a solution of 0.50 M, what would be the resulting concentration of OH<font face= symbol ><sup></sup></font>? A) 0.50 M B) 0.37 M C) 0.63 M D) 1.0 M E) 0.19 M SH OH K 1.0 If sodium sulfide were dissolved in water to make a solution of 0.50 M, what would be the resulting concentration of OH?


A) 0.50 M
B) 0.37 M
C) 0.63 M
D) 1.0 M
E) 0.19 M

F) B) and D)
G) B) and C)

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Equilibrium constants can be expressed in terms of molar concentration, Kc, or partial pressure, KP. To relate these two equilibrium constants to each other, ________


A) each concentration must be multiplied by the factor RT.
B) each pressure must be multiplied by the factor RT.
C) Kc must be multiplied by the factor RT.
D) KP must be multiplied by the factor RT.
E) nothing must be done because their values are equal.

F) B) and E)
G) B) and D)

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Solid mercury(II) oxide decomposes when heated to produce liquid mercury and oxygen. 2HgO(s) Solid mercury(II)  oxide decomposes when heated to produce liquid mercury and oxygen. 2HgO(s)    2Hg(l)  <font face= symbol ></font> O<sub>2</sub>(g)  An amount of mercury(II)  oxide is placed in a vessel at a particular temperature and allowed to reach equilibrium. How could the amount of liquid mercury in the vessel be increased? I. adding more mercury(II)  oxide II. removing some oxygen III. increasing the volume of the vessel A) I only B) II only C) III only D) I and II E) II and III 2Hg(l) O2(g) An amount of mercury(II) oxide is placed in a vessel at a particular temperature and allowed to reach equilibrium. How could the amount of liquid mercury in the vessel be increased? I. adding more mercury(II) oxide II. removing some oxygen III. increasing the volume of the vessel


A) I only
B) II only
C) III only
D) I and II
E) II and III

F) B) and E)
G) A) and E)

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If the reaction quotient Q has a larger value than the related equilibrium constant, K, ________


A) the reaction is at equilibrium.
B) the reaction will continue to make more products.
C) the reaction will consume products and make reactants.
D) the reaction will release heat to achieve equilibrium.
E) the value of K will increase until it is equal to Q.

F) B) and D)
G) C) and D)

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Identify whether or not perturbations A-D will affect the equilibrium concentrations of reactants and products in a gas-phase endothermic chemical reaction that involves one or more gases. If all have an effect on the equilibrium concentrations, select response E. Otherwise, identify the one that does not affect the equilibrium concentrations.


A) adding reactants to a gas or solution reaction
B) removing products from a gas or solution reaction
C) decreasing the temperature
D) increasing pressure by adding an inert gas to a reaction in the gas phase
E) All of the above are perturbations to chemical equilibrium.

F) B) and D)
G) B) and C)

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Given the following reactions and associated equilibrium constants Given the following reactions and associated equilibrium constants       K<sub>1 </sub><font face= symbol ></font> 3.1       K<sub>2 </sub><font face= symbol ></font> 4.5 what is the equilibrium constant for the following reaction? SO<sub>3</sub>(g)  <font face= symbol ></font> NO(g)    SO<sub>2</sub>(g)  <font face= symbol ></font> NO<sub>2</sub>(g)  K<sub>new </sub><font face= symbol ></font> ? A) 1.45 B) 7.17 <font face= symbol ></font> 10<sup>-</sup><sup>2</sup> C) 14.0 D) 6.89 <font face= symbol ></font> 10<sup>-</sup><sup>1</sup> E) 163 Given the following reactions and associated equilibrium constants       K<sub>1 </sub><font face= symbol ></font> 3.1       K<sub>2 </sub><font face= symbol ></font> 4.5 what is the equilibrium constant for the following reaction? SO<sub>3</sub>(g)  <font face= symbol ></font> NO(g)    SO<sub>2</sub>(g)  <font face= symbol ></font> NO<sub>2</sub>(g)  K<sub>new </sub><font face= symbol ></font> ? A) 1.45 B) 7.17 <font face= symbol ></font> 10<sup>-</sup><sup>2</sup> C) 14.0 D) 6.89 <font face= symbol ></font> 10<sup>-</sup><sup>1</sup> E) 163 Given the following reactions and associated equilibrium constants       K<sub>1 </sub><font face= symbol ></font> 3.1       K<sub>2 </sub><font face= symbol ></font> 4.5 what is the equilibrium constant for the following reaction? SO<sub>3</sub>(g)  <font face= symbol ></font> NO(g)    SO<sub>2</sub>(g)  <font face= symbol ></font> NO<sub>2</sub>(g)  K<sub>new </sub><font face= symbol ></font> ? A) 1.45 B) 7.17 <font face= symbol ></font> 10<sup>-</sup><sup>2</sup> C) 14.0 D) 6.89 <font face= symbol ></font> 10<sup>-</sup><sup>1</sup> E) 163 K1 3.1 Given the following reactions and associated equilibrium constants       K<sub>1 </sub><font face= symbol ></font> 3.1       K<sub>2 </sub><font face= symbol ></font> 4.5 what is the equilibrium constant for the following reaction? SO<sub>3</sub>(g)  <font face= symbol ></font> NO(g)    SO<sub>2</sub>(g)  <font face= symbol ></font> NO<sub>2</sub>(g)  K<sub>new </sub><font face= symbol ></font> ? A) 1.45 B) 7.17 <font face= symbol ></font> 10<sup>-</sup><sup>2</sup> C) 14.0 D) 6.89 <font face= symbol ></font> 10<sup>-</sup><sup>1</sup> E) 163 Given the following reactions and associated equilibrium constants       K<sub>1 </sub><font face= symbol ></font> 3.1       K<sub>2 </sub><font face= symbol ></font> 4.5 what is the equilibrium constant for the following reaction? SO<sub>3</sub>(g)  <font face= symbol ></font> NO(g)    SO<sub>2</sub>(g)  <font face= symbol ></font> NO<sub>2</sub>(g)  K<sub>new </sub><font face= symbol ></font> ? A) 1.45 B) 7.17 <font face= symbol ></font> 10<sup>-</sup><sup>2</sup> C) 14.0 D) 6.89 <font face= symbol ></font> 10<sup>-</sup><sup>1</sup> E) 163 Given the following reactions and associated equilibrium constants       K<sub>1 </sub><font face= symbol ></font> 3.1       K<sub>2 </sub><font face= symbol ></font> 4.5 what is the equilibrium constant for the following reaction? SO<sub>3</sub>(g)  <font face= symbol ></font> NO(g)    SO<sub>2</sub>(g)  <font face= symbol ></font> NO<sub>2</sub>(g)  K<sub>new </sub><font face= symbol ></font> ? A) 1.45 B) 7.17 <font face= symbol ></font> 10<sup>-</sup><sup>2</sup> C) 14.0 D) 6.89 <font face= symbol ></font> 10<sup>-</sup><sup>1</sup> E) 163 K2 4.5 what is the equilibrium constant for the following reaction? SO3(g) NO(g) Given the following reactions and associated equilibrium constants       K<sub>1 </sub><font face= symbol ></font> 3.1       K<sub>2 </sub><font face= symbol ></font> 4.5 what is the equilibrium constant for the following reaction? SO<sub>3</sub>(g)  <font face= symbol ></font> NO(g)    SO<sub>2</sub>(g)  <font face= symbol ></font> NO<sub>2</sub>(g)  K<sub>new </sub><font face= symbol ></font> ? A) 1.45 B) 7.17 <font face= symbol ></font> 10<sup>-</sup><sup>2</sup> C) 14.0 D) 6.89 <font face= symbol ></font> 10<sup>-</sup><sup>1</sup> E) 163 SO2(g) NO2(g) Knew ?


A) 1.45
B) 7.17 10-2
C) 14.0
D) 6.89 10-1
E) 163

F) A) and B)
G) All of the above

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Which of the listed perturbations will change the position of equilibrium for the following reaction? List those that do as a sequence of letters (e.g., ACE) . NH4CO2NH2(s) Which of the listed perturbations will change the position of equilibrium for the following reaction? List those that do as a sequence of letters (e.g., ACE) . NH<sub>4</sub>CO<sub>2</sub>NH<sub>2</sub>(s)    2NH<sub>3</sub>(g)  <font face= symbol ></font> CO<sub>2</sub>(g)  A)  Increasing the quantity of NH<sub>4</sub>CO<sub>2</sub>NH<sub>2</sub>(s)  B)  Removing CO<sub>2</sub>(g)  C)  Increasing the total pressure by adding argon gas D)  Increasing the volume of the container E)  Increasing the temperature 2NH3(g) CO2(g)


A) Increasing the quantity of NH4CO2NH2(s)
B) Removing CO2(g)
C) Increasing the total pressure by adding argon gas
D) Increasing the volume of the container
E) Increasing the temperature

F) All of the above
G) A) and D)

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Coal (C) can be heated with steam (H2O) at high temperatures to produce a mixture of hydrogen and carbon monoxide gases. Methanol, which is a useful fuel, can be produced from these gases by the reaction below. At a particular high temperature, the equilibrium concentrations are the following: [H2] 0.095 mol/L, [CO] 0.035 mol/L, and [CH3OH] 0.065 mol/L. What is the value of the equilibrium constant, Kc, for this reaction at this temperature? 2H2(g) CO(g) Coal (C)  can be heated with steam (H<sub>2</sub>O)  at high temperatures to produce a mixture of hydrogen and carbon monoxide gases. Methanol, which is a useful fuel, can be produced from these gases by the reaction below. At a particular high temperature, the equilibrium concentrations are the following: [H<sub>2</sub>] <font face= symbol ></font> 0.095 mol/L, [CO] <font face= symbol ></font> 0.035 mol/L, and [CH<sub>3</sub>OH] <font face= symbol ></font> 0.065 mol/L. What is the value of the equilibrium constant, K<sub>c</sub>, for this reaction at this temperature? 2H<sub>2</sub>(g)  <font face= symbol ></font> CO(g)    CH<sub>3</sub>OH(g)  A) 4.70 B) 290 C) 206 D) 19.5 E) 4.86 CH3OH(g)


A) 4.70
B) 290
C) 206
D) 19.5
E) 4.86

F) A) and E)
G) A) and D)

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How would an increase in temperature affect the following equilibrium? N2(g) 3H2(g) How would an increase in temperature affect the following equilibrium? N<sub>2</sub>(g)  <font face= symbol ></font> 3H<sub>2</sub>(g)    2NH<sub>3</sub>(g)    <font face= symbol ></font>H<sup>°</sup> <font face= symbol ></font> <font face= symbol ></font>92.0 kJ/mol A) More product would form and K would increase. B) More product would form but K would remain constant. C) K would be unaffected by a temperature change. D) More reactants would form but K would remain constant. E) More reactants would form and K would decrease. 2NH3(g) How would an increase in temperature affect the following equilibrium? N<sub>2</sub>(g)  <font face= symbol ></font> 3H<sub>2</sub>(g)    2NH<sub>3</sub>(g)    <font face= symbol ></font>H<sup>°</sup> <font face= symbol ></font> <font face= symbol ></font>92.0 kJ/mol A) More product would form and K would increase. B) More product would form but K would remain constant. C) K would be unaffected by a temperature change. D) More reactants would form but K would remain constant. E) More reactants would form and K would decrease. H° 92.0 kJ/mol


A) More product would form and K would increase.
B) More product would form but K would remain constant.
C) K would be unaffected by a temperature change.
D) More reactants would form but K would remain constant.
E) More reactants would form and K would decrease.

F) A) and E)
G) A) and D)

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Under what conditions are the values of Kc and Kp for a given gas-phase equilibrium the same?


A) if there is no change in the moles of gas in the reaction
B) if there is no change in the temperature during the reaction
C) if the coefficients of the reactants and products are the same
D) if the pressure remains constant
E) if either Kc or Kp 1

F) B) and E)
G) C) and D)

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Which of the following is true for a chemical reaction at equilibrium?


A) Only the forward reaction stops.
B) Only the reverse reaction stops.
C) Both the forward and reverse reactions stop.
D) The rate constants for the forward and reverse reactions are equal.
E) The rates of the forward and reverse reactions are equal.

F) B) and E)
G) B) and D)

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For the reaction of hydrogen and nitrogen gases at 30°C to form two moles of ammonia gas (NH3), the value of Kp is 4.5 1012. What is the value of Kc for the same reaction?

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2.8 F1F1F1...

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A series of four equilibrium steps can be defined for the following overall reaction: Cu2 4NH3 A series of four equilibrium steps can be defined for the following overall reaction: Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> 4NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>4</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>overall</sub> Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>1</sub> [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>2</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>2</sub> Etc)  What is true about K<sub>4</sub>? A) K<sub>4</sub> <font face= symbol ></font> K<sub>overall</sub> B) K<sub>4</sub> <font face= symbol ></font> K<sub>1</sub>K<sub>2</sub>K<sub>3</sub> C)    D)    E)   [Cu(NH3) 4]2Koverall Cu2 NH3 A series of four equilibrium steps can be defined for the following overall reaction: Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> 4NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>4</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>overall</sub> Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>1</sub> [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>2</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>2</sub> Etc)  What is true about K<sub>4</sub>? A) K<sub>4</sub> <font face= symbol ></font> K<sub>overall</sub> B) K<sub>4</sub> <font face= symbol ></font> K<sub>1</sub>K<sub>2</sub>K<sub>3</sub> C)    D)    E)   [Cu(NH3) ]2K1 [Cu(NH3) ]2 NH3 A series of four equilibrium steps can be defined for the following overall reaction: Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> 4NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>4</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>overall</sub> Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>1</sub> [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>2</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>2</sub> Etc)  What is true about K<sub>4</sub>? A) K<sub>4</sub> <font face= symbol ></font> K<sub>overall</sub> B) K<sub>4</sub> <font face= symbol ></font> K<sub>1</sub>K<sub>2</sub>K<sub>3</sub> C)    D)    E)   [Cu(NH3) 2]2K2 Etc) What is true about K4?


A) K4 Koverall
B) K4 K1K2K3
C) A series of four equilibrium steps can be defined for the following overall reaction: Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> 4NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>4</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>overall</sub> Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>1</sub> [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>2</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>2</sub> Etc)  What is true about K<sub>4</sub>? A) K<sub>4</sub> <font face= symbol ></font> K<sub>overall</sub> B) K<sub>4</sub> <font face= symbol ></font> K<sub>1</sub>K<sub>2</sub>K<sub>3</sub> C)    D)    E)
D) A series of four equilibrium steps can be defined for the following overall reaction: Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> 4NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>4</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>overall</sub> Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>1</sub> [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>2</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>2</sub> Etc)  What is true about K<sub>4</sub>? A) K<sub>4</sub> <font face= symbol ></font> K<sub>overall</sub> B) K<sub>4</sub> <font face= symbol ></font> K<sub>1</sub>K<sub>2</sub>K<sub>3</sub> C)    D)    E)
E) A series of four equilibrium steps can be defined for the following overall reaction: Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> 4NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>4</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>overall</sub> Cu<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>1</sub> [Cu(NH<sub>3</sub>) ]<sup>2</sup><font face= symbol ><sup></sup></font> <font face= symbol ></font> NH<sub>3</sub>   [Cu(NH<sub>3</sub>) <sub>2</sub>]<sup>2</sup><font face= symbol ><sup></sup></font>K<sub>2</sub> Etc)  What is true about K<sub>4</sub>? A) K<sub>4</sub> <font face= symbol ></font> K<sub>overall</sub> B) K<sub>4</sub> <font face= symbol ></font> K<sub>1</sub>K<sub>2</sub>K<sub>3</sub> C)    D)    E)

F) B) and C)
G) A) and B)

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In the following reaction, which of the statements is true, given the concentrations of each species? N2(g) 3 H2(g) In the following reaction, which of the statements is true, given the concentrations of each species? N<sub>2</sub>(g)  <font face= symbol ></font> 3 H<sub>2</sub>(g)    2 NH<sub>3</sub>(g)  K <font face= symbol ></font> 9.60 [N<sub>2</sub>] <font face= symbol ></font> [H<sub>2</sub>] <font face= symbol ></font> 0.100 M and [NH<sub>3</sub>] <font face= symbol ></font> 0.352 M A) The reaction is at equilibrium. B) More ammonia must form to achieve equilibrium. C) More nitrogen and hydrogen must form to achieve equilibrium. D) More nitrogen must be consumed to achieve equilibrium. E) Equilibrium cannot be established in the system. 2 NH3(g) K 9.60 [N2] [H2] 0.100 M and [NH3] 0.352 M


A) The reaction is at equilibrium.
B) More ammonia must form to achieve equilibrium.
C) More nitrogen and hydrogen must form to achieve equilibrium.
D) More nitrogen must be consumed to achieve equilibrium.
E) Equilibrium cannot be established in the system.

F) C) and D)
G) A) and C)

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Carbon dioxide and argon, which is a noble or inert gas, are placed in a vessel and heated. Equilibrium is reached at some particular temperature. Carbon dioxide dissociates by the following reaction. 2CO2(g) Carbon dioxide and argon, which is a noble or inert gas, are placed in a vessel and heated. Equilibrium is reached at some particular temperature. Carbon dioxide dissociates by the following reaction. 2CO<sub>2</sub>(g)    2CO(g)  <font face= symbol ></font> O<sub>2</sub>(g)  What is the result of increasing the pressure by adding more argon? I. The equilibrium shifts to produce more carbon dioxide and reduce the pressure. II. The equilibrium shifts to remove carbon dioxide and reduce the pressure. III. The equilibrium does not change because argon is not involved in the reaction. IV. The equilibrium does not change because the concentrations are not affected. A) I only B) II only C) III only D) IV only E) III and IV 2CO(g) O2(g) What is the result of increasing the pressure by adding more argon? I. The equilibrium shifts to produce more carbon dioxide and reduce the pressure. II. The equilibrium shifts to remove carbon dioxide and reduce the pressure. III. The equilibrium does not change because argon is not involved in the reaction. IV. The equilibrium does not change because the concentrations are not affected.


A) I only
B) II only
C) III only
D) IV only
E) III and IV

F) A) and E)
G) A) and D)

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Water can decompose at an elevated temperature to give hydrogen and oxygen according to the equation below. At a particular temperature, the partial pressures of H2O, H2, and O2 are 0.055 atm, 0.0065 atm, and 0.0045 atm, respectively, at equilibrium. What is the value of the equilibrium constant, KP, for this reaction at this temperature? 2H2O(g) Water can decompose at an elevated temperature to give hydrogen and oxygen according to the equation below. At a particular temperature, the partial pressures of H<sub>2</sub>O, H<sub>2</sub>, and O<sub>2</sub> are 0.055 atm, 0.0065 atm, and 0.0045 atm, respectively, at equilibrium. What is the value of the equilibrium constant, K<sub>P</sub>, for this reaction at this temperature? 2H<sub>2</sub>O(g)    2H<sub>2</sub>(g)  <font face= symbol ></font> O<sub>2</sub>(g)  A) 5.3 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>4</sup> B) 3.5 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>6</sup> C) 6.3 <font face= symbol ></font> 10<font face= symbol ><sup></sup></font><sup>5</sup> D) 1.6 <font face= symbol ></font> 10<sup>4</sup> E) 3.0 <font face= symbol ></font> 10<sup>4</sup> 2H2(g) O2(g)


A) 5.3 104
B) 3.5 106
C) 6.3 105
D) 1.6 104
E) 3.0 104

F) B) and C)
G) C) and E)

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If the reaction quotient Q has a smaller value than the related equilibrium constant, K, ________


A) the reaction is at equilibrium.
B) the reaction will continue to make more products.
C) the reaction will consume products and make reactants.
D) the reaction will release heat to achieve equilibrium.
E) the value of K will decrease until it is equal to Q.

F) A) and E)
G) D) and E)

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For the following reaction, Kp = 137 at 3.50 102K. What is the value of Kc? 2C4H10(l) 3O2(g) For the following reaction, K<sub>p</sub> = 137 at 3.50 <font face= symbol ></font><font face= symbol ></font>10<sup>2</sup>K. What is the value of K<sub>c</sub>? 2C<sub>4</sub>H<sub>10</sub>(l)  <font face= symbol ></font> 3O<sub>2</sub>(g)    8CO<sub>2</sub>(g)  <font face= symbol ></font> 10H<sub>2</sub>O(g)  A) 7.03<font face= symbol ></font><font face= symbol ></font>10<font face= symbol ><sup></sup></font><sup>6</sup> B) 5.79<font face= symbol ></font><font face= symbol ></font>10<font face= symbol ><sup></sup></font><sup>3</sup> C) 4.77 D) 3.24<font face= symbol ></font><font face= symbol ></font>10<sup>6</sup> E) 2.67<font face= symbol ></font><font face= symbol ></font>10<sup>9</sup> 8CO2(g) 10H2O(g)


A) 7.03106
B) 5.79103
C) 4.77
D) 3.24106
E) 2.67109

F) A) and B)
G) None of the above

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