Ch.14 - Chemical EquilibriumWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds
Sections
Chemical Equilibrium
ICE Chart
Le Chatelier's Principle
The Reaction Quotient
Additional Practice
Equilibrium Expressions
LearnAdditional PracticeSummary
Next SectionICE Chart

Solution: For the following reaction, 2 A (g) + 3 B (g) ⇌ 2 C(g), Kp = 4.9 x 106 at 25oC. Which of the following statements is true? The reaction is favored in the forward direction. The concentration of the products is less than the concentration of the reactants. The reaction is favored in the reverse direction. The value of Kp will be larger than the value of Kc.   

Problem

For the following reaction, 2 A (g) + 3 B (g) ⇌ 2 C(g), Kp = 4.9 x 106 at 25oC. Which of the following statements is true?

  1. The reaction is favored in the forward direction.
  2. The concentration of the products is less than the concentration of the reactants.
  3. The reaction is favored in the reverse direction.
  4. The value of Kp will be larger than the value of Kc. 

 

Next
Practice Problems
When a reaction reaches equilibrium, 1. the rate ...
Which of the following statements(s) is/are true w...
Give the direction of the reaction, if K << ...
Consider the following reaction: Al(OH)3 (s) ↔ Al...
Which of the following statements is/are true rega...
Choose the statement which is most accurate based ...
Kc has a value of 100.0 at 25.0 oC for the reactio...
Which of the following statement(s) is/are true wi...
Give the direction of the reaction, if K ≈ 1. A) ...
The reaction 2 H2O (l) ⇌ H3O+ (aq) + OH− (aq) has ...
The following equilibria are known at 823 K: Zn (...
In which of the following reactions will K c = Kp ...
The following reactions occur at 500 K. Arrange th...
Which is a proper description of chemical equilibr...
If the following reaction is carried out in a seal...
The equilibrium constant is given for one of the r...
Consider the following reactions at 25°C: Reaction...
Chemical equilibrium is the result of a) formatio...
At 25°C, Kc = 2.34 × 10−6 for the reaction NH4(NH...
Consider the reactions SO2(g) → O2(g) + S(s)      ...
Calculate Kp for the reaction below at 400°C if Kc...
Which of the following statements is correct for a...
Chemical equilibrium is the result of: a decrea...
The equilibrium constant for the reaction Ni (s) +...
Nitrogen gas can spontaneously combine with hydrog...
Given the hypothetical reaction ? A (g) + 2 B (g) ...
Given the reaction: A (aq) + 2 B (aq) ⇌ C (aq) + ...
Which is the proper description of chemical equili...
Chemical equilibrium is the result of:   A. a de...
The value of an equilibrium constant can be used t...
Which of the following represents a heterogeneous ...
For the following reaction, 2 A (g) + 3 B (g) ⇌ 2 ...
In which of the given reactions is K p greater tha...
Consider the two gaseaous equilibria SO2(g) + 1/2 ...
When reaction 1 and 2 below are added together, th...
At 500°C the equilibrium constant, Kp, is 4.00 x 1...
Determine the Kc for the following 2 CO (g) + O2 ...
Give the direction of the reaction, if K >> ...
The equilibrium constant is given for one of the r...
What is the Δn for the following equation in relat...
Use the following equilibria. SnO2 (s) + 2 CO (g)...
The following diagrams represent a hypothetical re...
The following diagrams represent a hypothetical re...
What is dynamic equilibrium?
What is the significance of the equilibrium consta...
What happens to the value of the equilibrium const...
Why are the concentrations of solids and liquids o...
Does the value of the equilibrium constant depend ...
Do the equilibrium concentrations of the reactants...
The equilibrium between NO2 and N2O4.If you ...
What happens to a chemical system at equilibrium w...
True or False: You can determine if equilibrium ha...
In Section 11.5 in the textbook we defined the vap...
Explain the difference between Kc and Kp.
For a given reaction, how are Kc and Kp related?
Is it possible to have a reaction where Kc=Kp?
What units should be used when expressing concentr...
Suppose that the gas-phase reactions A and B are b...
The reaction A2 + B2 2 AB has an equilibrium const...
The reaction A2 + B2 2 AB has an equilibrium const...
If two reactions sum to an overall reaction, and t...
The equilibrium constant, Kc, for the reaction. 2A...
In which of the following equations will the value...
True or False? When a reaction achieves equilibriu...
The equilibrium constant for the reaction2 SO2(g) ...
The equilibrium constant for the overall reaction:...
For the reaction,cis-C4H8(g) ⇌ trans-C4H8(g)the eq...
An equilibrium constant with a small magnitude ind...
The equilibrium constant is given for one of the r...
Of each of these equations, determine the change i...
The value of Kc for the reaction A ⇌ B is 1.4x10−2...
The equilibrium constant, Kc = 9.63 for the reacio...
Which of the following statement(s) is/are true wi...
Select all the true statements regarding chemical ...
What is the equilibrium constant for the reactionN...
The correct units for the equilibrium constant Kp ...
For the reaction:N2(g)+3H2(g) ⇌ 2NH3(g)Kp = 2.75×1...
Select all the true statements regarding chemical ...
Determine the value of the equilibrium constant, K...
Given that2 X(g)  + 3 Cl2(g)  ⟺  2 XCl3   K1= 5XCl...
Given the following information,HF(aq) ⇌ H+ (aq) +...
If Kp = 0.0520 at 60oC, calculate Kc at this tempe...
What is Δn for the following equation in relating ...
For each of these equations, determine the change ...
The value of an equilibrium constant can be used t...
The value of the equilibrium constant at a given t...
Which equilibrium constant represents a reaction t...
The equilibrium constant Kc = 6.35 for the reactio...
Which of the statements is FALSE regarding the equ...
Determine the equilibrium constant, Kgoal, for the...
At 300 K, Kp = 0.143 for the reaction N2O4(g ) ⇌ 2...
A reaction with an equilibrium constant K c = 1.5 ...
A + 2B → 2C      Kc = 2.392C → D               Kc ...
The K of the reaction: NO2(g) + NO3(g) ⇌ N2O5(g) i...
The acid dissociation constant Ka for HSO4- is 1.2...
The reaction below has an equilibrium constant Kp ...
The equilibrium-constant of the reactionNO2(g) + N...
For the following chemical reactions:Original: 2 H...
Calculate the value of Kp for the equation. C (s)...
For the reversible reactionA(g) ⇌ B(g)which K valu...
The reaction below has an equilibrium constant of ...
Calculate the value of the equilibrium constant fo...
The following pictures represent mixtures of A 2B ...
Phosgene, COCl2, a poisonous gas, decomposes accor...
For A + 2B → 2C  Kc= 2.79                     For...
Calculate the value of the equilibrium constant K ...
The following equilibrium constants have been dete...
Which of the systems described below give homogene...
Consider the simple one-step reaction: A(g) ⇌ B(g)...
What does it mean to describe a reaction as “rever...
When writing an equation, how is a reversible reac...
If a reaction is reversible, when can it be said t...
Is a system at equilibrium if the rate constants o...
If the concentrations of products and reactants ar...
The concept of chemical equilibrium is very import...
Explain why an equilibrium between Br 2(l) and Br2...
A saturated solution of a slightly soluble electro...
If you observe the following reaction at equilibri...
The following reaction occurs when a burner on a g...
The molecular scenes below depict the reaction Y ⥫...
The molecular scenes below depict the reaction Y ⥫...
Isomers Q (blue) and R (yellow) interconvert. They...
For the reaction A → B, the ratio of products to r...
Ethyl acetate is synthesized in a nonreacting solv...
When ammonia is made industrially, the mixture of ...
H2 and I2 are combined in a flask and allowed to r...
A chemist trying to synthesize a particular compou...
One mechanism for the synthesis of ammonia propose...
Consider a cylinder containing a mixture of liquid...
Which of the systems described below give homogene...
At a given temperature, the elementary reaction A ...
The reaction below has an equilibrium constant Kp=...
Convert the values of K c to values of KP or the v...
The reaction shown here has a Kp = 5.1 × 102 at 85...
Convert the values of K c to values of KP or the v...
Convert the values of K c to values of KP or the v...
Convert the values of K c to values of KP or the v...
Convert the values of Kc to values of KP or the va...
Convert the values of Kc to values of KP or the va...
Calculate Kc for each reaction: I2 (g) ⇌ 2I(g); Kp...
Convert the values of Kc to values of KP or the va...
Calculate Kc for each reaction: CH4(g) + H2O(g) ⇌ ...
Calculate Kc for each reaction: I2(g) + Cl2(g) ⇌ 2...
Convert the values of Kc to values of KP or the va...
Calculate Kp for each of the following reactions: ...
Calculate Kp for each of the following reactions: ...
Calculate Kp for each of the following reactions: ...
Consider the following reaction and corresponding ...
The following diagram represents a reaction shown ...
The kinetics and equilibrium of the decomposition ...
The kinetics and equilibrium of the decomposition ...
At 327ºC, the equilibrium concentrations are [CH 3...
At 1100 K, Kp = 0.25 for the reaction2SO2(g) + O2(...
The two most abundant atmospheric gases react to a...
The oxidation of nitrogen monoxide is favored at 4...
The oxidation of nitrogen monoxide is favored at 4...
The molecular scene depicts a gaseous equilibrium ...
The molecular scene depicts a gaseous equilibrium ...
Using CH4 and steam as a source of H2 for NH3 synt...
Calculate Kc for the following equilibria:(a) CO(g...
Calculate Kc for the following equilibria:(b) S2(g...
Calculate Kc for the following equilibria:(a) H2(g...
Calculate Kc for the following equilibria:(b) 2SO2...
Nitrogen dioxide dimerizes according to the follow...
The minerals hematite (Fe2O3) and magnetite (Fe3O4...
Calculate Kp for the following equilibria:(a) N2O4...
Calculate Kp for each of the following reactions. ...
The equilibrium constant, Kp, for the following re...
Calculate Kp for the following equilibria:(b) N2(g...
Calculate Kp for the following equilibria:(a) H2(g...
Calculate Kp for the following equilibria:(b) 3O2(...
The protein hemoglobin (Hb) transports O2 in mamma...
The reaction below has an equilibrium constant of ...
Calculate the value of Kp for the equation. C(s) ...
For which of the reactions below does K c (calcula...
For which of the reactions below does K c (calcula...
Under which circumstances are Kp and Kc equal for ...
The following diagram represents a reaction shown ...
For which reactions is Kp equal to K? a. 2Fe(s) + ...
For which reactions is Kp equal to K?a. 2NH3(g) + ...
Determine Δngas for the following reaction:(a) 2KC...
Determine Δngas for the following reaction:(b) 2Pb...
Determine Δngas for the following reaction:(c) I2(...
Determine Δngas for the following reaction:(a) MgC...
Determine Δngas for the following reaction:(b) 2H2...
Determine Δngas for the following reaction:(c) HNO...
Benzene is one of the compounds used as octane enh...
A particular reaction has an equilibrium constant ...
The reaction below has an equilibrium constant Kp ...
For a titration to be effective, the reaction must...
For a precipitation reaction to be useful in a gra...
When the following reaction comes to equilibrium, ...
The reaction below has an equilibrium constant of ...
Ammonia is produced by the Haber process, in which...
The amino acid alanine has two isomers, α-alanine ...
Use the reactions below and their equilibrium cons...
Write a set of reactions such as those given showi...
Carbon monoxide replaces oxygen in oxygenated hemo...
At a particular temperature, Kc = 1.6×10−2 for 2H2...
At a particular temperature, Kc = 1.6×10−2 for 2H2...
Use the data shown here to find the equilibrium co...
The reaction has an equilibrium constant Kp = 2.2 ...
At a particular temperature, Kc = 6.5×102 for 2NO(...
The reaction has an equilibrium constant Kp = 2.2 ...
At a particular temperature, Kc = 6.5×102 for 2NO(...
Consider the chemical equation and equilibrium con...
At a given temperature, K = 1.3 x 10 -2 for the re...
At a given temperature, K = 1.3 x 10 -2 for the re...
At a given temperature, K = 1.3 x 10 -2 for the re...
At a given temperature, K = 1.3 x 10 -2 for the re...
For the reactionH2(g) + Br2(g) ⇌ 2HBr(g)          ...
For the reactionH2(g) + Br2(g) ⇌ 2HBr(g)          ...
For the reactionH2(g) + Br2(g) ⇌ 2HBr(g)          ...
The reactions shown here can be combined to make t...
The reactions shown here can be combined to make t...
The reaction A(g) ⇌ 2 B(g) has an equilibrium cons...
As an EPA scientist studying catalytic converters ...
The methane used to obtain H2 for NH3 manufacture ...
The methane used to obtain H2 for NH3 manufacture ...
The reaction below has an equilibrium constant of ...
The reaction below has an equilibrium constant of ...
The reaction below has an equilibrium constant of ...
Using CH4 and steam as a source of H2 for NH3 synt...
Using CH4 and steam as a source of H2 for NH3 synt...
Consider the following reactions and their respect...
Calculate a value for the equilibrium constant for...
Given the following equilibrium constants at 427ºC...
Given the following equilibrium constants at 427ºC...
Given the following equilibrium constants at 427ºC...
For the reversible reactionA(g) ⇌ B(g)which k valu...At 375.0 K. the value Kp for the combination react...If Kc = 0.0055 for the reactionN2 (g) + 3 H2 (g) 2...For the dissociation of I2 (g) at about 1200°C, I2...For A + 2B ⇌ 2C      Kc = 2.99 For 2C ⇌ D         ...At a given temperature, the equilibrium constant f...Calculate the value of Kp for the equation C(s) + ...For chemical reactions involving ideal gases, the ...The equilibrium constant for the chemical equation...The equilibrium constant for the chemical equation...For the system NH2OH + CH3NH3+ ⇌ CH3NH2 + NH3OH+ t...The equilibrium constant for the following reactio...At 351 K, this reaction has a Kc value of 0.0679. ...For A + 2B ⇌ 2C           K  c = 2.65 For 2C ⇌ D  ...The equilibrium constant for the chemical equation...The Keq for the equillibrium below is 5.4 x 1013 a...A solution is made that is 1.0 M in A and 1.0 M in...For the reversible reaction which K values would i...What determines the amount of product formed in an...The steam reformation reaction is an important sou...
Calculate the value of Kp for the equationC (s) + ...For the reversible reactionA(g) ⇌ B(g) Which K val...
Calculate the value of the equilibrium constant fo...
Next SectionICE Chart