Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCl5(g)⇌ PCl3(g)+ Cl2(g) At 250° 0.125 M PCl5 is added to the flask.If Kc = 1.80,what are the equilibrium concentrations of each gas?

A) [PCl5] = 0.00765 M, [PCl3] = 0.117 M, and [Cl2] = 0.117 M B) [PCl5] = 0.0625 M, [PCl3] = 0.335 M, and [Cl2] = 0.335 M C) [PCl5] = 1.80 M, [PCl3] = 1.80 M, and [Cl2] = 1.80 M D) [PCl5] = 3.96 M, [PCl3] = 3.83 M, and [Cl2] = 3.83 M A) [PCl5] = 0.00765 M, [PCl3] = 0.117 M, and [Cl2] = 0.117 M B) [PCl5] = 0.0625 M, [PCl3] = 0.335 M, and [Cl2] = 0.335 M C) [PCl5] = 1.80 M, [PCl3] = 1.80 M, and [Cl2] = 1.80 M D) [PCl5] = 3.96 M, [PCl3] = 3.83 M, and [Cl2] = 3.83 M

Express the equilibrium constant for the following reaction. 20 CH3Br(g)+ 10 Br2(g)⇔ 20 CH2Br2(g)+ 10 H2(g)

A) K = B) K = C) K = D) K = E) K = A) K = B) K = C) K = D) K = E) K =

Exam 15: Chemical Equilibrium

Determine the value of K_p for the following reaction if the equilibrium concentrations are as follows: P(CO)_eq = 6.8 × 10^-11 atm,P(O₂)_eq = 1.3 × 10^-3 atm,P(CO₂)_eq = 0.041 atm. 2 CO(g)+ O₂(g)⇌ 2 CO₂(g)

(Multiple Choice)

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Question 61

The equilibrium constant is given for one of the reactions below.Determine the value of the missing equilibrium constant. 2 HD(g)⇌ H₂(g)+ D₂(g)K_c = 0.28 5 H₂(g)+ 5 D₂(g)⇌ 10 HD(g)K_c = ?

(Multiple Choice)

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Question 62

Which of the following statements is FALSE?

(Multiple Choice)

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Question 63

Express the reverse equilibrium constant for the following reaction. 4 P(g)+ 6 Cl₂(g)⇌ 4 PCl₃(g)

(Multiple Choice)

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Question 64

Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCl₅(g)⇌ PCl₃(g)+ Cl₂(g) At 250° 0.125 M PCl₅ is added to the flask.If K_c = 1.80,what are the equilibrium concentrations of each gas?

(Multiple Choice)

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Question 65

Consider the following reaction at equilibrium.What effect will increasing the pressure of the reaction mixture have on the system? CuS(s)+ O₂(g)⇌ Cu(s)+ SO₂(g)

(Multiple Choice)

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Question 66

In a reaction mixture containing reactants and products,each at a concentration of 1M,what is the value of Q?

(Multiple Choice)

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Question 67

Consider the following reaction,equilibrium concentrations,and equilibrium constant at a particular temperature.Determine the equilibrium concentration of SO₃(g). 2 SO₂(g)+ O₂(g)⇌ 2 SO₃(g)K_c = 1.7 × 10⁸ [SO₂]_eq = 0.0034 M [O₂]_eq = 0.0018 M

(Multiple Choice)

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Question 68

Consider the following reaction at equilibrium.What will happen if the volume increased? 4 FeS₂(s)+ 11 O₂(g)⇌ 2 Fe₂O₃(s)+ 8 SO₂(g)

(Multiple Choice)

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Question 69

For the isomerization reaction: butane ⇌ isobutane K_p equals 25 at 500°C.If the initial pressures of butane and isobutane are 5.0.atm and 0.0 atm,respectively,what are the pressures of the two gases at equilibrium?

(Multiple Choice)

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Question 70

Express the equilibrium constant for the following reaction. 20 CH₃Br(g)+ 10 Br₂(g)⇔ 20 CH₂Br₂(g)+ 10 H₂(g)

(Multiple Choice)

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Question 71

The following reaction is exothermic.Which change will shift the equilibrium to the left? 2 SO₂(g)+ O₂(g)⇌ 2 SO₃(g)

(Multiple Choice)

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Question 72

The equilibrium constant is given for one of the reactions below.Determine the value of the missing equilibrium constant. H₂(g)+ Br₂(g)⇌ HBr(g)K_c = 3.8 × 10⁴ HBr(g)⇌ H₂(g)+ Br₂(g)K_c = ?

(Multiple Choice)

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Question 73

Determine the value of K_c for the following reaction if the equilibrium concentrations are as follows: [N₂]_eq = 3.6 M,[O₂]_eq = 4.1 M,[N₂O]_eq = 3.3 × 10^-18 M. 2 N₂(g)+ O₂(g)⇌ 2 N₂O(g)

(Multiple Choice)

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Question 74

What is Δn for the following equation in relating K_c to K_p? N₂O₄(g)⇌ 2 NO₂(g)

(Multiple Choice)

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Question 75

Express the equilibrium constant for the following reaction. 14 P(g)+ 21 Cl₂(g)⇌ 14 PCl₃(g)

(Multiple Choice)

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Question 76

Express the equilibrium constant for the following reaction. CH₄(g)+ 2 O₂(g)⇔ CO₂(g)+ 2 H₂O(g)

(Multiple Choice)

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Question 77

Consider the following reaction at equilibrium.What effect will increasing the temperature have on the system? Fe₃O₄(s)+ CO(g)⇌ 3 FeO(s)+ CO₂(g)ΔH°= +35.9 kJ

(Multiple Choice)

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Question 78

Express the equilibrium constant for the following reaction. 12 NH₃(g)⇔ 6 N₂(g)+ 18 H₂(g)

(Multiple Choice)

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Question 79

How will equilibrium be affected,with the same number of moles of gas on both sides,if the pressure is increased?

(Short Answer)

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Question 80

Showing 61 - 80 of 141

Exam 15: Chemical Equilibrium

Determine the value of Kp for the following reaction if the equilibrium concentrations are as follows: P(CO)eq = 6.8 × 10-11 atm,P(O2)eq = 1.3 × 10-3 atm,P(CO2)eq = 0.041 atm. 2 CO(g)+ O2(g)⇌ 2 CO2(g)

The equilibrium constant is given for one of the reactions below.Determine the value of the missing equilibrium constant. 2 HD(g)⇌ H2(g)+ D2(g)Kc = 0.28 5 H2(g)+ 5 D2(g)⇌ 10 HD(g)Kc = ?

Which of the following statements is FALSE?

Express the reverse equilibrium constant for the following reaction. 4 P(g)+ 6 Cl2(g)⇌ 4 PCl3(g)

Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCl5(g)⇌ PCl3(g)+ Cl2(g) At 250° 0.125 M PCl5 is added to the flask.If Kc = 1.80,what are the equilibrium concentrations of each gas?

Consider the following reaction at equilibrium.What effect will increasing the pressure of the reaction mixture have on the system? CuS(s)+ O2(g)⇌ Cu(s)+ SO2(g)

In a reaction mixture containing reactants and products,each at a concentration of 1M,what is the value of Q?

Consider the following reaction,equilibrium concentrations,and equilibrium constant at a particular temperature.Determine the equilibrium concentration of SO3(g). 2 SO2(g)+ O2(g)⇌ 2 SO3(g)Kc = 1.7 × 108 [SO2]eq = 0.0034 M [O2]eq = 0.0018 M

Consider the following reaction at equilibrium.What will happen if the volume increased? 4 FeS2(s)+ 11 O2(g)⇌ 2 Fe2O3(s)+ 8 SO2(g)

For the isomerization reaction: butane ⇌ isobutane Kp equals 25 at 500°C.If the initial pressures of butane and isobutane are 5.0.atm and 0.0 atm,respectively,what are the pressures of the two gases at equilibrium?

Express the equilibrium constant for the following reaction. 20 CH3Br(g)+ 10 Br2(g)⇔ 20 CH2Br2(g)+ 10 H2(g)

The following reaction is exothermic.Which change will shift the equilibrium to the left? 2 SO2(g)+ O2(g)⇌ 2 SO3(g)

The equilibrium constant is given for one of the reactions below.Determine the value of the missing equilibrium constant. H2(g)+ Br2(g)⇌ HBr(g)Kc = 3.8 × 104 HBr(g)⇌ H2(g)+ Br2(g)Kc = ?

Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 3.6 M,[O2]eq = 4.1 M,[N2O]eq = 3.3 × 10-18 M. 2 N2(g)+ O2(g)⇌ 2 N2O(g)

What is Δn for the following equation in relating Kc to Kp? N2O4(g)⇌ 2 NO2(g)

Express the equilibrium constant for the following reaction. 14 P(g)+ 21 Cl2(g)⇌ 14 PCl3(g)

Express the equilibrium constant for the following reaction. CH4(g)+ 2 O2(g)⇔ CO2(g)+ 2 H2O(g)

Consider the following reaction at equilibrium.What effect will increasing the temperature have on the system? Fe3O4(s)+ CO(g)⇌ 3 FeO(s)+ CO2(g)ΔH°= +35.9 kJ

Express the equilibrium constant for the following reaction. 12 NH3(g)⇔ 6 N2(g)+ 18 H2(g)

How will equilibrium be affected,with the same number of moles of gas on both sides,if the pressure is increased?

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Determine the value of K_p for the following reaction if the equilibrium concentrations are as follows: P(CO)_eq = 6.8 × 10^-11 atm,P(O₂)_eq = 1.3 × 10^-3 atm,P(CO₂)_eq = 0.041 atm. 2 CO(g)+ O₂(g)⇌ 2 CO₂(g)

The equilibrium constant is given for one of the reactions below.Determine the value of the missing equilibrium constant. 2 HD(g)⇌ H₂(g)+ D₂(g)K_c = 0.28 5 H₂(g)+ 5 D₂(g)⇌ 10 HD(g)K_c = ?

Express the reverse equilibrium constant for the following reaction. 4 P(g)+ 6 Cl₂(g)⇌ 4 PCl₃(g)

Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCl₅(g)⇌ PCl₃(g)+ Cl₂(g) At 250° 0.125 M PCl₅ is added to the flask.If K_c = 1.80,what are the equilibrium concentrations of each gas?

Consider the following reaction at equilibrium.What effect will increasing the pressure of the reaction mixture have on the system? CuS(s)+ O₂(g)⇌ Cu(s)+ SO₂(g)

Consider the following reaction,equilibrium concentrations,and equilibrium constant at a particular temperature.Determine the equilibrium concentration of SO₃(g). 2 SO₂(g)+ O₂(g)⇌ 2 SO₃(g)K_c = 1.7 × 10⁸ [SO₂]_eq = 0.0034 M [O₂]_eq = 0.0018 M

Consider the following reaction at equilibrium.What will happen if the volume increased? 4 FeS₂(s)+ 11 O₂(g)⇌ 2 Fe₂O₃(s)+ 8 SO₂(g)

For the isomerization reaction: butane ⇌ isobutane K_p equals 25 at 500°C.If the initial pressures of butane and isobutane are 5.0.atm and 0.0 atm,respectively,what are the pressures of the two gases at equilibrium?

Express the equilibrium constant for the following reaction. 20 CH₃Br(g)+ 10 Br₂(g)⇔ 20 CH₂Br₂(g)+ 10 H₂(g)

The following reaction is exothermic.Which change will shift the equilibrium to the left? 2 SO₂(g)+ O₂(g)⇌ 2 SO₃(g)

The equilibrium constant is given for one of the reactions below.Determine the value of the missing equilibrium constant. H₂(g)+ Br₂(g)⇌ HBr(g)K_c = 3.8 × 10⁴ HBr(g)⇌ H₂(g)+ Br₂(g)K_c = ?

Determine the value of K_c for the following reaction if the equilibrium concentrations are as follows: [N₂]_eq = 3.6 M,[O₂]_eq = 4.1 M,[N₂O]_eq = 3.3 × 10^-18 M. 2 N₂(g)+ O₂(g)⇌ 2 N₂O(g)

What is Δn for the following equation in relating K_c to K_p? N₂O₄(g)⇌ 2 NO₂(g)

Express the equilibrium constant for the following reaction. 14 P(g)+ 21 Cl₂(g)⇌ 14 PCl₃(g)

Express the equilibrium constant for the following reaction. CH₄(g)+ 2 O₂(g)⇔ CO₂(g)+ 2 H₂O(g)

Consider the following reaction at equilibrium.What effect will increasing the temperature have on the system? Fe₃O₄(s)+ CO(g)⇌ 3 FeO(s)+ CO₂(g)ΔH°= +35.9 kJ

Express the equilibrium constant for the following reaction. 12 NH₃(g)⇔ 6 N₂(g)+ 18 H₂(g)