Exam 16: Chemical Equilibrium

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

The equilibrium constant is given for two of the reactions below.Determine the value of the missing equilibrium constant. A(g)+ B(g)⇌ AB(g)Kc = 0.24 AB(g)+ A(g)⇌ A2B(g)Kc = 3.8 2 A(g)+ B(g)⇌ A2B(g)Kc = ?

(Multiple Choice)
4.8/5
(82)

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

(Multiple Choice)
5.0/5
(95)

Consider the following reaction at equilibrium.What effect will removing H2O have on the system? 2 H2S(g)+ 3 O2(g)⇌ 2 H2O(g)+ 2 SO2(g)

(Multiple Choice)
4.7/5
(90)

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

(Multiple Choice)
4.9/5
(85)

For which reaction will Kp = Kc?

(Multiple Choice)
4.8/5
(72)

Cyclohexane,C6H12,undergoes a molecular rearrangement in the presence of AlCl3 to form methylcyclopentane,CH3C5H9, according to the equation: C6H12 ⇌ CH3C5H9 If Kc = 0.143 at 25°C for this reaction,find the equilibrium concentrations of C6H12 and CH3C5H9 if the initial concentrations are 0.200 M and 0.050 M,respectively.

(Multiple Choice)
4.8/5
(71)

Consider the following reaction,equilibrium concentrations,and equilibrium constant at a particular temperature.Determine the equilibrium pressure of H2. D2(g)+ H2(g)⇌ 2 HD(g)Kp = 1.80 P(D2)eq = 1.1 × 10-3 atm P(HD)eq = 2.7 × 10-3 atm

(Multiple Choice)
4.8/5
(95)

Calculate the value of [N2]eq if [H2]eq = 2.0 M,[NH3]eq = 0.5 M,and Kc = 2. N2(g)+ 3 H2(g)⇌ 2 NH3(g)

(Multiple Choice)
4.7/5
(77)

Express the equilibrium constant for the following reaction. 16 CH3Cl(g)+ 8 Cl2(g)⇔ 16 CH2Cl2(g)+ 8 H2(g)

(Multiple Choice)
4.9/5
(83)

Consider the following reaction and its equilibrium constant: I2(g)⇌ 2I(g)Kp = 0.209 A reaction mixture contains 0.89atm I2 and1.53 atm I.Which of the following statements is TRUE concerning this system?

(Multiple Choice)
4.8/5
(84)

Define Le Chatelier's Principle.

(Essay)
4.9/5
(69)

The equilibrium constant is given for two of the reactions below.Determine the value of the missing equilibrium constant. 2A(g)+ B(g)⇌ A2B(g)Kc = ? A2B(g)+ B(g)⇌ A2B2(g)Kc = 16.4 2A(g)+ 2B(g)⇌ A2B2(g)Kc = 28.2

(Multiple Choice)
5.0/5
(85)

Calculate P [NO]eq,if P [NOCl]eq = 0.33 atm,P [Cl2]eq = 0.50 atm,and Kp = 1.9 × 10-2. 2 NOCl(g)⇌ 2 NO(g)+ Cl2(g)

(Multiple Choice)
4.7/5
(91)

Express the equilibrium constant for the following reaction. P(g)+ 3/2 Cl2(g)⇌ PCl3(g)

(Multiple Choice)
4.9/5
(79)

Consider the following reaction: CH4(g)+ 2 H2S(g)⇌ CS2(g)+ 4 H2(g) A reaction mixture initially contains 0.50 M CH4 and 0.75 M H2S.If the equilibrium concentration of H2 is 0.44 M,find the equilibrium constant (Kc)for the reaction.

(Multiple Choice)
4.9/5
(80)

Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [HCl]eq = 0.13 M,[HI]eq = 5.6 × 10-16 M,[Cl2]eq = 0.0019 M. 2 HCl(g)+ I2(s)⇌ 2 HI(g)+ Cl2(g)

(Multiple Choice)
4.9/5
(76)

The following reaction is allowed to come to equilibrium with a measured partial pressure of 0.68 atm for O2,0.72 atm for N2,and 2.83 atm for NO.What is Kp for the reaction at this temperature? N2(g)+ O2(g)→ 2 NO(g)

(Multiple Choice)
4.8/5
(72)

Equilibrium in which rate of the forward reaction equals the rate of the reverse reaction is

(Multiple Choice)
5.0/5
(71)

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 4 H2(g)+ 4 D2(g)⇌ 8 HD(g)Kc = ?

(Multiple Choice)
5.0/5
(78)

Express the equilibrium constant for the following reaction. PCl5(g)⇌ PCl3(g)+ Cl2(g)

(Multiple Choice)
4.9/5
(90)
Showing 121 - 140 of 141
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)