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| Chemical Equilibrium | 61 mins | 0 completed | Learn Summary |
| ICE Chart | 52 mins | 0 completed | Learn |
| Le Chatelier's Principle | 24 mins | 0 completed | Learn Summary |
| The Reaction Quotient | 11 mins | 0 completed | Learn Summary |
| Additional Practice |
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| Equilibrium Expressions |
Solution: What is the name of Qc?a. Reversibility expressionb. Reaction expressionc. Mass actiond. Equilibrium expressione. Reaction quotient
Problem
What is the name of Qc?
a. Reversibility expression
b. Reaction expression
c. Mass action
d. Equilibrium expression
e. Reaction quotient
Practice Problems
The reaction shown below has Kp = 81.9 at 25°C.
I...
The reaction
A + B ⇌ C + 2D
has an equilibrium c...
Consider the following general reaction:
2 B4A4 (...
In a reaction mixture containing only reactants, w...
Which of the following statements is TRUE?
A) Dyn...
Consider the following reaction and its equilibriu...
A mixture of 0.2 moles of H2S(g), 0.5 moles of S8(...
Consider the following reaction at equilibrium at ...
The reaction
2 NO(g) + Br2(g) ⟺ 2NOBr(g)
has an ...
At 500oC, the Kp for the below reaction is 1.45 x1...
For the following chemical reaction: Br 2(g) + Cl2...
Which of the following statements is TRUE?
A) If ...
Suppose we put 1.0 mol of HI(g), 1.0 mol of H 2 (g...
Give the direction of the reaction, if Q >> ...
If a 1.00 L vessel contains 0.010 atm SO3, 0.010 a...
Given the chemical reaction:
4 H3PO4 (aq) ⇌ 6 H2 ...
What is the difference between the reaction quotie...
Consider the reversible reaction: 2NO2(g) ⇋ N2O4(g...
The equilibrium constant, Kp , for the reaction: ...
The reaction 2 A → B + C has a Kc of 0.2. The reac...
Consider a reaction A2(g) + B2(g) ⇌ 2AB(g), with a...
If Qc< Kc, in which direction will a reaction p...
What condition must be satisfied so that Qc=Kc?
If Qc> Kc, how must the reaction proceed to rea...
At the start of a certain reaction, only reactants...
What is the definition of the reaction quotient (Q...
What is the value of Q when each reactant and prod...
A mixture of water and graphite is heated to 600 K...
Consider the reactionMg(s) + Fe2+(aq) → Mg2+(aq) +...
Consider the reaction shown below with its equilib...
The value of the equilibrium constant at a given t...
At 850 K the equilibrium constant for the followin...
Consider the reaction at 55°C, where [Fe2+] = 3.80...
Balance the equation and write the reaction-quotie...
For a chemical reaction: Cl 2 (g) + O2 (g) ⇌ 2 ClO...
Write the reaction quotient for
The equilibrium constant Kc for the reaction
2 NO...
In which direction will the net reaction proceedX(...
Which of the following is TRUE?
1. When the value...
Given the equilibrium constant and initial concent...
At a certain temperature, bromine and nitric oxide...
One reaction that occurs in producing steel from i...
The research and development unit of a chemical co...
What is the value of Q when the SrCrO 4 solution c...
For the reaction 2A(g) ⇌ B(g), the equilibrium con...
The solid XY decomposes into gaseous X and Y: XY(s...
Explain why there may be an infinite number of val...
Consider the reaction: 2H2S(g) ⇌ 2H2(g) + S2(g), K...
Consider the reaction and its equilibrium constant...
At a particular temperature a 2.00-L flask at equi...
The “filmstrip” represents five molecular scenes o...
The following equilibrium pressures were observed ...
Consider the reaction: N2(g) + 3H2(g) → 2NH3(g)Wri...
The “filmstrip” represents five molecular scenes o...
Consider the reaction: N2(g) + 3H2(g) → 2NH3(g)If ...
Consider the reaction: N2(g) + 3H2(g) → 2NH3(g)If ...
The equilibrium constant is 0.0900 at 25ºC for the...
For the reaction N2O4(g) (g), a reaction mixture a...
The initial concentration or pressure of reactant ...
In what direction will a reaction proceed for each...
In what direction will a reaction proceed for each...
In what direction will a reaction proceed for each...
An equilibrium is established according to the fol...
The initial concentration or pressure of reactant ...
The initial concentration or pressure of reactant ...
Consider the equilibrium4NO2(g) + 6H2 O(g) ⇌ 4NH3(...
The equilibrium constant for the reaction2Fe3+(aq)...
Consider the following reaction: NH4HS(s) ⇌ NH3(g)...
Silver sulfate dissolves in water according to the...
Nitrogen dioxide dimerizes according to the follow...
Consider the reaction2NO2 (g) ⇌ N2O4 (g)For each o...
Consider the reaction2NO2 (g) ⇌ N2O4 (g)For each o...
Consider the reaction2NO2 (g) ⇌ N2O4 (g)For each o...
The oxidation of SO2 is the key step in H2SO4 prod...
At 425°C, Kp = 4.18×10−9 for the reaction2HBr(g) ⥫...
At 100°C, Kp = 60.6 for the reaction2NOBr(g) ⥫⥬ 2N...
The water-gas shift reaction plays a central role ...
The initial concentration or pressure of reactant ...
The initial concentration or pressure of reactant ...
The initial concentration or pressure of reactant ...
The initial concentration or pressure of reactant ...
Consider the following reaction: H2(g) + I2(g) ⇌ 2...
The initial concentration or pressure of reactant ...
The initial concentration or pressure of reactant ...
The initial concentration or pressure of reactant ...
Determine if the following system is at equilibriu...
The initial concentration or pressure of reactant ...
The initial concentration or pressure of reactant ...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Balance the following reaction and write its react...
Write the expression of the reaction quotient for ...
Write the reaction quotient expression for the ion...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
Balance the following example of heterogeneous equ...
The “filmstrip” represents five molecular scenes o...
Balance the following example of heterogeneous equ...
Consider the reaction and its equilibrium constant...
Balance the following example of heterogeneous equ...
The “filmstrip” represents five molecular scenes o...
Balance the following example of heterogeneous equ...
Write Qc for the following:(a) Hydrogen chloride g...
Write Qc for the following:(b) Solid diarsenic tri...
Write Qc of the following:(c) Gaseous sulfur tetra...
Isolation of Group 8B(10) elements, used as indust...
Write Qc of the following:(d) Solid molybdenum(VI)...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
The interhalogen ClF3 is prepared via a two-step f...
Write the mathematical expression for the reaction...
Use the following reaction quotient to write the b...
Use the following reaction quotient to write the b...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Show that the complete chemical equation, the tota...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Write the mathematical expression for the reaction...
Nitrogen dioxide dimerizes according to the follow...
Compound A decomposes according to the equation ...
The equilibrium constant (Kc) for this reaction is...
At 25 °C and at 1 atm, the partial pressures in an...
For the equilibriumH2S(g) ⥫⥬ 2H2(g) + S2(g) Kc...
At 900ºC, Kp = 1.04 for the reaction CaCO3(s) ⇌ Ca...
At 900ºC, Kp = 1.04 for the reaction CaCO3(s) ⇌ Ca...
At 900ºC, Kp = 1.04 for the reaction CaCO3(s) ⇌ Ca...
Ethyl acetate is synthesized in a nonreacting solv...
Ethyl acetate is synthesized in a nonreacting solv...
Ethyl acetate is synthesized in a nonreacting solv...
Ethyl acetate is synthesized in a nonreacting solv...
Ethyl acetate is synthesized in a nonreacting solv...
When 0.100 mol of CaCO3(s) and 0.100 mol of CaO(s)...
Highly toxic disulfur decafluoride decomposes by a...
At a particular temperature, K = 3.75 for the reac...
At a particular temperature, K = 1.00 x 102 for th...
A study of the water-gas shift reaction (see Probl...
Antimony pentachloride decomposes according to thi...
At 650 K, the reaction MgCO3(s) ⇌ MgO(s) + CO2(g) ...
A system at equilibrium contains I2(g) at a pressu...
A system at equilibrium contains I2(g) at a pressu...
Consider the following reaction: H2(g) + I2(g) ⇌ 2...
The system described by the reaction CO(g) + Cl2(g...
An equilibrium mixture contains N2O4 (P = 0.29 atm...
An equilibrium mixture contains N2O4 (P = 0.29 atm...
Hydrogen iodide decomposes according to the reacti...
The following reaction has KP = 4.50 × 10−5 at 720...What is the value of Q when the solution contains ...
For the reaction below Kc = 168C(s) + CO2(g) ⇌ 2CO...
For the reaction:PCl3 (g) + Cl2 (g) ⇌ PCl5 (g) ...
Consider this system at equilibrium.A(aq) ⇌ B(aq) ...
Consider this system at equilibrium.A(aq) ⇌ B(aq) ...
Consider the hypothetical reaction below3 A (g) + ...
The value of Kc for the reaction: 2NO2 (g) ⇌ N2O4(...Hydrogen lodide gas is formed when hydrogen and io...Is a mixture of 0.0205 mol NO2(g) and 0.750 mol N2...Determine Qc, if the following amounts (in moles) ...Predict and calculate the effect of concentration ...Calculate the equilibrium concentrations of N2O4 a...The minerals hematite (Fe2O3) and magnetite (Fe3O4...
At 850 K the equilibrium constant for the followin...Consider this equilibrium reaction at 400 K. Br2 (...The equilbrium constant for the water-gas shift re...The equilibrium constant for the following reactio...For the reaction 2A(g) ⇌ B(g), the equilibrium con...What is the name of Qc?a. Reversibility expression...Will a precipitate form if the metal ion concentra...Sulfur dioxide reacts with chlorine at 227°C: SO2(...2NO (g) + 2H2 (g) → N2 (g) + 2H2O (g) At the tempe...
The diagram shows the free energy change of the re...
Balance the equation and write the reaction quotie...