The reaction of nitrogen with oxygen to form nitrogen monxide can be represented by the following equation. N2(g)+ O2(g) 2NO(g) At 2000°C,the equilibrium constant,Kc ,has a value of 4.10 $\times$ 10-4.What is the value of Kp?

A) 2.17 $\times$ 10-8 B) 4.10 $\times$ 10-4 C) 7.65 $\times$ 10-2 D) 7.75 E) None of these choices is correct. A) 2.17 $\times$ 10-8 B) 4.10 $\times$ 10-4 C) 7.65 $\times$ 10-2 D) 7.75 E) None of these choices is correct.

What is the mass-action expression,Qc,for the following chemical reaction? 4H3O+(aq)+ 2Cl-(aq)+ MnO2(s) Mn2+(aq)+ 6H2O(l)+ Cl2(g)-

A) B) C) D) E) None of these expressions is correct. A) B) C) D) E) None of these expressions is correct.

At 500°C the equilibrium constant,Kp,is 4.00 $\times$ 10-4 for the equilibrium: 2HCN(g) H2(g)+ C2N2(g) What is Kp for the following reaction? H2(g)+ C2N2(g) 2HCN(g)

A) 2.00 $\times$ 10-4 B) -4.00 $\times$ 10-4 C) 1.25 $\times$ 103 D) 2.50 $\times$ 103 E) 4.00 $\times$ 104 A) 2.00 $\times$ 10-4 B) -4.00 $\times$ 10-4 C) 1.25 $\times$ 103 D) 2.50 $\times$ 103 E) 4.00 $\times$ 104

The following reaction is at equilibrium at one atmosphere,in a closed container. NaOH(s)+ CO2(g) NaHCO3(s) Which,if any,of the following actions will decrease the total amount of CO2 gas present at equilibrium?

A) adding N2 gas to double the pressure B) adding more solid NaOH C) decreasing the volume of the container D) removing half of the solid NaHCO3 E) None of these choices is correct. A) adding N2 gas to double the pressure B) adding more solid NaOH C) decreasing the volume of the container D) removing half of the solid NaHCO3 E) None of these choices is correct.

The equilibrium constant Kc for the reaction PCl3(g)+ Cl2(g) PCl5(g) Is 49 at 230°C.If 0.70 mol of PCl3 is added to 0.70 mol of Cl2 in a 1.00-L reaction vessel at 230°C,what is the concentration of PCl3 when equilibrium has been established?

A) 0.049 M B) 0.11 M C) 0.30 M D) 0.59 M E) 0.83 M A) 0.049 M B) 0.11 M C) 0.30 M D) 0.59 M E) 0.83 M

Exam 17: Equilibrium: the Extent of Chemical Reactions

At 25°C,the equilibrium constant K_c for the reaction 2A(aq) B(aq)+ C(aq) Is 65.If 2.50 mol of A is added to enough water to prepare 1.00 L of solution,what will the equilibrium concentration of A be?

(Multiple Choice)

4.9/5

(40)

Question 61

A mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br₂(g)+ I₂(g) 2IBr(g) When the mixture has come to equilibrium,the concentration of iodine monobromide is 1.190 M.What is the equilibrium constant for this reaction at 350°C?

(Multiple Choice)

4.9/5

(39)

Question 62

At a high temperature,the following reaction has an equilibrium constant of 1.0 $\times$ 10². H₂(g)+ F₂(g) $At a high temperature,the following reaction has an equilibrium constant of 1.0 \times 102. H2(g)+ F2(g) 2HF(g) If 1.00 mol of each of H2 and F2 are allowed to come to equilibrium in a 10.0 L vessel,calculate the equilibrium amounts of H2 and HF.$ 2HF(g) If 1.00 mol of each of H₂ and F₂ are allowed to come to equilibrium in a 10.0 L vessel,calculate the equilibrium amounts of H₂ and HF.

(Essay)

4.8/5

(32)

Question 63

Write the mass-action expression,Q_c,for the following chemical reaction. Sn²⁺(aq)+ O₂(g)+ 3H₂O(l) SnO₂(s)+ 2H₃O⁺(aq)

(Multiple Choice)

4.9/5

(35)

Question 64

Unless $\Delta$ H°_rxn = 0,a change in temperature will affect the value of the equilibrium constant K_c.

(True/False)

4.8/5

(34)

Question 65

The reaction system CS₂(g)+ 4H₂(g) CH₄(g)+ 2H₂S(g) Is at equilibrium.Which of the following statements describes the behavior of the system if the partial pressure of carbon disulfide is reduced?

(Multiple Choice)

4.9/5

(29)

Question 66

The equilibrium constant K_c for the reaction A(g)+ B(g) C(g) Is 0.76 at 150°C.If 0.800 mol of A is added to 0.600 mol of B in a 1.00-L container at 150°C,what will be the equilibrium concentration of C?

(Multiple Choice)

4.9/5

(42)

Question 67

Nitric oxide and bromine were allowed to react in a sealed container.When equilibrium was reached The following partial pressures of three gases were measured: NO: 0.526 atm;Br₂: 1.59 atm;NOBr: 7.68 atm.Calculate K_p for the reaction. 2NO(g)+ Br₂(g) 2NOBr(g)

(Multiple Choice)

4.8/5

(30)

Question 68

The reaction of nitrogen with oxygen to form nitrogen monxide can be represented by the following equation. N₂(g)+ O₂(g) $The reaction of nitrogen with oxygen to form nitrogen monxide can be represented by the following equation. N2(g)+ O2(g) 2NO(g) At 2000°C,the equilibrium constant,Kc ,has a value of 4.10 \times 10-4.What is the value of Kp?$ 2NO(g) At 2000°C,the equilibrium constant,K_c ,has a value of 4.10 $\times$ 10^-4.What is the value of K_p?

(Multiple Choice)

4.9/5

(44)

Question 69

What is the mass-action expression,Q_p,for the following reaction? SbF₅(g)+ 4Cl₂(g) SbCl₃(g)+ 5ClF(g)

(Multiple Choice)

4.7/5

(32)

Question 70

What is the mass-action expression,Q_c,for the following chemical reaction? 4H₃O⁺(aq)+ 2Cl^-(aq)+ MnO₂(s) Mn²⁺(aq)+ 6H₂O(l)+ Cl₂(g)^-

(Multiple Choice)

4.7/5

(37)

Question 71

At 500°C the equilibrium constant,K_p,is 4.00 $\times$ 10^-4 for the equilibrium: 2HCN(g) $At 500°C the equilibrium constant,Kp,is 4.00 \times 10-4 for the equilibrium: 2HCN(g) H2(g)+ C2N2(g) What is Kp for the following reaction? H2(g)+ C2N2(g) 2HCN(g)$ H₂(g)+ C₂N₂(g) What is K_p for the following reaction? H₂(g)+ C₂N₂(g) $At 500°C the equilibrium constant,Kp,is 4.00 \times 10-4 for the equilibrium: 2HCN(g) H2(g)+ C2N2(g) What is Kp for the following reaction? H2(g)+ C2N2(g) 2HCN(g)$ 2HCN(g)

(Multiple Choice)

4.8/5

(44)

Question 72

Methanol can be synthesized by combining carbon monoxide and hydrogen. A reaction vessel contains these compounds at equilibrium.What effect will be seen when equilibrium is re-established after decreasing the temperature by 45°C?

(Multiple Choice)

4.8/5

(30)

Question 73

Write the mass-action expression,Q_c,for the following chemical reaction equation. 2C₆H₆(g)+ 15O₂(g) 12CO₂(g)+ 6H₂O(g)

(Multiple Choice)

4.8/5

(48)

Question 74

The following reaction is at equilibrium at one atmosphere,in a closed container. NaOH(s)+ CO₂(g) NaHCO₃(s) Which,if any,of the following actions will decrease the total amount of CO₂ gas present at equilibrium?

(Multiple Choice)

4.8/5

(30)

Question 75

Consider the equilibrium reaction: N₂O₄(g) 2NO₂(g) Which of the following correctly describes the relationship between K_c and K_p for the reaction?

(Multiple Choice)

4.7/5

(44)

Question 76

Ethane can be formed by reacting acetylene with hydrogen. Under which reaction conditions would you expect to have the greatest equilibrium yield of ethane?

(Multiple Choice)

4.8/5

(47)

Question 77

The two equilibrium constants for the same reaction,K_c and K_p,will always equal one another when

(Multiple Choice)

4.9/5

(42)

Question 78

The equilibrium constant K_c for the reaction PCl₃(g)+ Cl₂(g) PCl₅(g) Is 49 at 230°C.If 0.70 mol of PCl₃ is added to 0.70 mol of Cl₂ in a 1.00-L reaction vessel at 230°C,what is the concentration of PCl₃ when equilibrium has been established?

(Multiple Choice)

4.9/5

(35)

Question 79

When a reaction system reaches equilibrium,the forward and reverse reactions stop.

(True/False)

4.8/5

(43)

Question 80

Showing 61 - 80 of 85

At 25°C,the equilibrium constant K_c for the reaction 2A(aq) B(aq)+ C(aq) Is 65.If 2.50 mol of A is added to enough water to prepare 1.00 L of solution,what will the equilibrium concentration of A be?

A mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br₂(g)+ I₂(g) 2IBr(g) When the mixture has come to equilibrium,the concentration of iodine monobromide is 1.190 M.What is the equilibrium constant for this reaction at 350°C?

Write the mass-action expression,Q_c,for the following chemical reaction. Sn²⁺(aq)+ O₂(g)+ 3H₂O(l) SnO₂(s)+ 2H₃O⁺(aq)

Unless $\Delta$ H°_rxn = 0,a change in temperature will affect the value of the equilibrium constant K_c.

The reaction system CS₂(g)+ 4H₂(g) CH₄(g)+ 2H₂S(g) Is at equilibrium.Which of the following statements describes the behavior of the system if the partial pressure of carbon disulfide is reduced?

The equilibrium constant K_c for the reaction A(g)+ B(g) C(g) Is 0.76 at 150°C.If 0.800 mol of A is added to 0.600 mol of B in a 1.00-L container at 150°C,what will be the equilibrium concentration of C?

Nitric oxide and bromine were allowed to react in a sealed container.When equilibrium was reached The following partial pressures of three gases were measured: NO: 0.526 atm;Br₂: 1.59 atm;NOBr: 7.68 atm.Calculate K_p for the reaction. 2NO(g)+ Br₂(g) 2NOBr(g)

What is the mass-action expression,Q_p,for the following reaction? SbF₅(g)+ 4Cl₂(g) SbCl₃(g)+ 5ClF(g)

What is the mass-action expression,Q_c,for the following chemical reaction? 4H₃O⁺(aq)+ 2Cl^-(aq)+ MnO₂(s) Mn²⁺(aq)+ 6H₂O(l)+ Cl₂(g)^-

Methanol can be synthesized by combining carbon monoxide and hydrogen. A reaction vessel contains these compounds at equilibrium.What effect will be seen when equilibrium is re-established after decreasing the temperature by 45°C?

Write the mass-action expression,Q_c,for the following chemical reaction equation. 2C₆H₆(g)+ 15O₂(g) 12CO₂(g)+ 6H₂O(g)

The following reaction is at equilibrium at one atmosphere,in a closed container. NaOH(s)+ CO₂(g) NaHCO₃(s) Which,if any,of the following actions will decrease the total amount of CO₂ gas present at equilibrium?

Consider the equilibrium reaction: N₂O₄(g) 2NO₂(g) Which of the following correctly describes the relationship between K_c and K_p for the reaction?

Ethane can be formed by reacting acetylene with hydrogen. Under which reaction conditions would you expect to have the greatest equilibrium yield of ethane?

The two equilibrium constants for the same reaction,K_c and K_p,will always equal one another when

The equilibrium constant K_c for the reaction PCl₃(g)+ Cl₂(g) PCl₅(g) Is 49 at 230°C.If 0.70 mol of PCl₃ is added to 0.70 mol of Cl₂ in a 1.00-L reaction vessel at 230°C,what is the concentration of PCl₃ when equilibrium has been established?

When a reaction system reaches equilibrium,the forward and reverse reactions stop.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 17: Equilibrium: the Extent of Chemical Reactions

At 25°C,the equilibrium constant Kc for the reaction 2A(aq) B(aq)+ C(aq) Is 65.If 2.50 mol of A is added to enough water to prepare 1.00 L of solution,what will the equilibrium concentration of A be?

A mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br2(g)+ I2(g) 2IBr(g) When the mixture has come to equilibrium,the concentration of iodine monobromide is 1.190 M.What is the equilibrium constant for this reaction at 350°C?

At a high temperature,the following reaction has an equilibrium constant of 1.0 ×\times× 102. H2(g)+ F2(g) 2HF(g) If 1.00 mol of each of H2 and F2 are allowed to come to equilibrium in a 10.0 L vessel,calculate the equilibrium amounts of H2 and HF.

Write the mass-action expression,Qc,for the following chemical reaction. Sn2+(aq)+ O2(g)+ 3H2O(l) SnO2(s)+ 2H3O+(aq)

Unless Δ\DeltaΔ H°rxn = 0,a change in temperature will affect the value of the equilibrium constant Kc.

The reaction system CS2(g)+ 4H2(g) CH4(g)+ 2H2S(g) Is at equilibrium.Which of the following statements describes the behavior of the system if the partial pressure of carbon disulfide is reduced?

The equilibrium constant Kc for the reaction A(g)+ B(g) C(g) Is 0.76 at 150°C.If 0.800 mol of A is added to 0.600 mol of B in a 1.00-L container at 150°C,what will be the equilibrium concentration of C?

Nitric oxide and bromine were allowed to react in a sealed container.When equilibrium was reached The following partial pressures of three gases were measured: NO: 0.526 atm;Br2: 1.59 atm;NOBr: 7.68 atm.Calculate Kp for the reaction. 2NO(g)+ Br2(g) 2NOBr(g)

The reaction of nitrogen with oxygen to form nitrogen monxide can be represented by the following equation. N2(g)+ O2(g) 2NO(g) At 2000°C,the equilibrium constant,Kc ,has a value of 4.10 ×\times× 10-4.What is the value of Kp?

What is the mass-action expression,Qp,for the following reaction? SbF5(g)+ 4Cl2(g) SbCl3(g)+ 5ClF(g)

What is the mass-action expression,Qc,for the following chemical reaction? 4H3O+(aq)+ 2Cl-(aq)+ MnO2(s) Mn2+(aq)+ 6H2O(l)+ Cl2(g)-

At 500°C the equilibrium constant,Kp,is 4.00 ×\times× 10-4 for the equilibrium: 2HCN(g) H2(g)+ C2N2(g) What is Kp for the following reaction? H2(g)+ C2N2(g) 2HCN(g)

Methanol can be synthesized by combining carbon monoxide and hydrogen. A reaction vessel contains these compounds at equilibrium.What effect will be seen when equilibrium is re-established after decreasing the temperature by 45°C?

Write the mass-action expression,Qc,for the following chemical reaction equation. 2C6H6(g)+ 15O2(g) 12CO2(g)+ 6H2O(g)

The following reaction is at equilibrium at one atmosphere,in a closed container. NaOH(s)+ CO2(g) NaHCO3(s) Which,if any,of the following actions will decrease the total amount of CO2 gas present at equilibrium?

Consider the equilibrium reaction: N2O4(g) 2NO2(g) Which of the following correctly describes the relationship between Kc and Kp for the reaction?

Ethane can be formed by reacting acetylene with hydrogen. Under which reaction conditions would you expect to have the greatest equilibrium yield of ethane?

The two equilibrium constants for the same reaction,Kc and Kp,will always equal one another when

The equilibrium constant Kc for the reaction PCl3(g)+ Cl2(g) PCl5(g) Is 49 at 230°C.If 0.70 mol of PCl3 is added to 0.70 mol of Cl2 in a 1.00-L reaction vessel at 230°C,what is the concentration of PCl3 when equilibrium has been established?

When a reaction system reaches equilibrium,the forward and reverse reactions stop.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

At 25°C,the equilibrium constant K_c for the reaction 2A(aq) B(aq)+ C(aq) Is 65.If 2.50 mol of A is added to enough water to prepare 1.00 L of solution,what will the equilibrium concentration of A be?

A mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br₂(g)+ I₂(g) 2IBr(g) When the mixture has come to equilibrium,the concentration of iodine monobromide is 1.190 M.What is the equilibrium constant for this reaction at 350°C?

Write the mass-action expression,Q_c,for the following chemical reaction. Sn²⁺(aq)+ O₂(g)+ 3H₂O(l) SnO₂(s)+ 2H₃O⁺(aq)

Unless $\Delta$ H°_rxn = 0,a change in temperature will affect the value of the equilibrium constant K_c.

The reaction system CS₂(g)+ 4H₂(g) CH₄(g)+ 2H₂S(g) Is at equilibrium.Which of the following statements describes the behavior of the system if the partial pressure of carbon disulfide is reduced?

The equilibrium constant K_c for the reaction A(g)+ B(g) C(g) Is 0.76 at 150°C.If 0.800 mol of A is added to 0.600 mol of B in a 1.00-L container at 150°C,what will be the equilibrium concentration of C?

Nitric oxide and bromine were allowed to react in a sealed container.When equilibrium was reached The following partial pressures of three gases were measured: NO: 0.526 atm;Br₂: 1.59 atm;NOBr: 7.68 atm.Calculate K_p for the reaction. 2NO(g)+ Br₂(g) 2NOBr(g)

What is the mass-action expression,Q_p,for the following reaction? SbF₅(g)+ 4Cl₂(g) SbCl₃(g)+ 5ClF(g)

What is the mass-action expression,Q_c,for the following chemical reaction? 4H₃O⁺(aq)+ 2Cl^-(aq)+ MnO₂(s) Mn²⁺(aq)+ 6H₂O(l)+ Cl₂(g)^-

Write the mass-action expression,Q_c,for the following chemical reaction equation. 2C₆H₆(g)+ 15O₂(g) 12CO₂(g)+ 6H₂O(g)

The following reaction is at equilibrium at one atmosphere,in a closed container. NaOH(s)+ CO₂(g) NaHCO₃(s) Which,if any,of the following actions will decrease the total amount of CO₂ gas present at equilibrium?

Consider the equilibrium reaction: N₂O₄(g) 2NO₂(g) Which of the following correctly describes the relationship between K_c and K_p for the reaction?

The two equilibrium constants for the same reaction,K_c and K_p,will always equal one another when

The equilibrium constant K_c for the reaction PCl₃(g)+ Cl₂(g) PCl₅(g) Is 49 at 230°C.If 0.70 mol of PCl₃ is added to 0.70 mol of Cl₂ in a 1.00-L reaction vessel at 230°C,what is the concentration of PCl₃ when equilibrium has been established?