Exam 16: Chemical Equilibrium
Exam 1: Essentials: Units, Measurements, and Problem Solving101 Questions
Exam 2: Atoms137 Questions
Exam 3: The Quantum Mechanical Model of the Atom141 Questions
Exam 4: Periodic Properties of the Elements144 Questions
Exam 5: Molecules and Compounds202 Questions
Exam 6: Chemical Bonding I138 Questions
Exam 7: Chemical Bonding Ii64 Questions
Exam 8: Chemical Reactions and Chemical Quantities79 Questions
Exam 9: Introduction to Solutions and Aqueous Reactions177 Questions
Exam 10: Thermochemistry145 Questions
Exam 11: Gases185 Questions
Exam 12: Liquids, Solids, and Intermolecular Forces132 Questions
Exam 13: Crystalline Solids and Modern Materials43 Questions
Exam 14: Solutions148 Questions
Exam 15: Chemical Kinetics155 Questions
Exam 16: Chemical Equilibrium141 Questions
Exam 17: Acids and Bases159 Questions
Exam 18: Aqueous Ionic Equilibrium188 Questions
Exam 19: Free Energy and Thermodynamics130 Questions
Exam 20: Electrochemistry148 Questions
Exam 21: Radioactivity and Nuclear Chemistry136 Questions
Exam 22: Organic Chemistry104 Questions
Exam 23: Transition Metals and Coordination Compounds74 Questions
Select questions type
Consider the following reaction at equilibrium.What effect will increasing the temperature have on the system?
C3H8(g)+ 5 O2(g)⇌ 3 CO2(g)+ 4 H2O(l)ΔH° = -2220 kJ
(Multiple Choice)
4.8/5
(83)
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)
(Multiple Choice)
4.9/5
(74)
What is Δn for the following equation in relating Kc to Kp?
CH4(g)+ H2O(g)⇌ CO(g)+ 3 H2(g)
(Multiple Choice)
4.9/5
(67)
For the reaction: N2(g)+ 2 O2(g)⇌ 2 NO2(g),Kc = 8.3 × 10-10 at 25°C.What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas?
(Multiple Choice)
4.9/5
(75)
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [PI5]eq = 0.56 M,[PI3]eq = 0.23 M,[I2]eq = 5.5 M. PI5(g)⇌ PI3(g)+ I2(g)
(Multiple Choice)
4.9/5
(86)
Consider the following reaction: 2 H2O(g)+ 2 SO2(g)⇌ 2 H2S(g)+ 3 O2(g)
A reaction mixture initially contains 2.8 M H2O and 2.6 M SO2.Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 × 10-6.
(Multiple Choice)
4.9/5
(81)
Consider the following reaction,equilibrium concentrations,and equilibrium constant at a particular temperature.Determine the equilibrium concentration of H2O(g). C2H4(g)+ H2O(g)⇌ C2H5OH(g)Kc = 9.0 × 103
[C2H4]eq = 0.015 M [C2H5OH]eq = 1.69 M
(Multiple Choice)
4.9/5
(76)
Express the equilibrium constant for the following reaction. P4(s)+ 5 O2(g)⇌ P4O10(s)
(Multiple Choice)
4.9/5
(80)
The following reaction is exothermic.What set of conditions will always lead to the equilibrium shifting to the left?
2 NO(g)+ Br2(g)⇌ 2 NOBr(g)
(Multiple Choice)
4.8/5
(86)
At a certain temperature the equilibrium constant,Kc,equals 0.11 for the reaction: 2 ICl(g)⇌ I2(g)+ Cl2(g).
What is the equilibrium concentration of ICl if 0.55 mol of I2 and 0.55 mol of Cl2 are initially mixed in a 2.0-L flask?
(Multiple Choice)
4.8/5
(89)
Express the equilibrium constant for the following reaction. 2 Na(s)+ 2 H2O(l)⇌ 2 NaOH(aq)+ H2(g)
(Multiple Choice)
4.8/5
(91)
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)
(Multiple Choice)
4.9/5
(84)
What is △n for the following equation in relating Kc to Kp?
Li BrO3(s)⇌ Li BrO(s)+ O2(g)
(Multiple Choice)
4.9/5
(93)
Consider the following reaction,equilibrium concentrations,and equilibrium constant at a particular temperature.Determine the equilibrium pressure of CO. CO(g)+ 2 H2(g)⇌ CH3OH(l)Kp = 2.25 × 104
P(H2)eq = 0.52 atm
(Multiple Choice)
4.8/5
(80)
Consider the following reaction,equilibrium concentrations,and equilibrium constant at a particular temperature.Determine the equilibrium concentration of H2O(g). 2 H2(g)+ O2(g)⇌ 2 H2O(g)Kc = 5.50 × 102
[H2] = 0.480 M [O2] = 0.310 M
(Multiple Choice)
4.8/5
(79)
Consider the following reaction at equilibrium.What effect will increasing the pressure of the reaction mixture have on the system?
2 H2S(g)+ 3 O2(g)⇌ 2 H2O(g)+ 2 SO2(g)
(Multiple Choice)
4.9/5
(65)
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [P4O10]eq = 2.000 moles,[P4]eq = 3.000 moles,[O2]eq = 4.000 M P4O10(s)⇌ P4(s)+ 5 O2(g)
(Multiple Choice)
4.7/5
(80)
Showing 21 - 40 of 141
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)