Homework Answers
Le chatellier principle states that whenever equilibrium is disturbed reaction moves in such a direction to restablish equilibrium.
Answer: option 3
Option 1 is wrong because both exothermic and endothermic reaction can reach equilibrium.
Option 2 is wrong. Catalyst is not a requirement for chemical equation.
Option 4 is wrong. Temperature is not changed generally.
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Question 4 1 pts Le Chatelier's principle states that: Only exothermic reactions can reach chemical equilibrium. Onl...
Question 6 Le Chatelier's Principle states that: O a disturbing force must be applied to a...
Question 6 Le Chatelier's Principle states that: O a disturbing force must be applied to a system in order for it to reach equilibrium. o when a system at equilibrium is disturbed, a new equilibrium constant is established. O when a chemical system at equilibrium is disturbed, the system shifts in order to minimize the effect. when a chemical system is at equilibrium it is no longer possible to alter the system.
17. Le Chatelier's Principle: pressure effects Consider the following system at equilibrium at 346 K: If...
17. Le Chatelier's Principle: pressure effects Consider the following system at equilibrium at 346 K: If the volume of the equilibrium system is suddenly increased at constant temperature: The reaction must: A. Run in the lorward direction to reestablish equiiorium B. Run in the reverse direction to reestablish equilibrium. C. Remain the same. Already at equilibrium. The number of moles of Br2 will: A. Increase. 8. Decrease. C. Remain the same. 18. Le Chatelier's Principle: mutiple etlects Consider the following...
ID: A Exam 3 Multiple Choice Identify the choice thar best completes the worawer the question...
ID: A Exam 3 Multiple Choice Identify the choice thar best completes the worawer the question 1. Le Chatelier's principle states that a. Only exothermic reactions can reach chemical equilibrium b. If a chemical equilibrium is disturbed, the system will try and reestablish equilibrium c. If a chemical equilibrium is disturbed, the temperature of the system will always decrense d. Only reactions in which a catalyst is present can reach chemical equilibrium 2. Which of following statements concerning theoretical yield,...
5. Use Le Chatelier's principle to determine whether the equilibrium for the exothermic reaction below shifts...
5. Use Le Chatelier's principle to determine whether the equilibrium for the exothermic reaction below shifts to the left, right, or does not change under each condition listed: N2(g) + 3H2(g) 2NH3(1) a. Some hydrogen is added b. A catalyst is added C. The temperature is raised d. The pressure is decreased by increasing the volume of the container
Based on Le Chatelier's Principle in which direction will the following reaction proceed if it is...
Based on Le Chatelier's Principle in which direction will the following reaction proceed if it is already at equilibrium given the following change in conditions. A(g) + 2B(aq) → 2C(g) ΔHrxn = 25 kJ The temperature is increased? The volume of the reaction vessel is increased? Water is added to the reaction? Solid B is added to the flask, which subsequently dissolves in the aqueous solution increasing the concentration of B? A catalyst is added? Helium is pumped into the...
Le Chatelier's Principle Date: Course: Section: Instructor Student name: Team members: Prelaboratory assignment 1. Define the...
Le Chatelier's Principle Date: Course: Section: Instructor Student name: Team members: Prelaboratory assignment 1. Define the following terms: a. Chemical equilibrium b. Le Chatelier's principle 2. Consider the hypothetical reaction A+ B+ heat C+D What will happen to the concentrations of A, B, C, and D under each of the following conditions? A catalyst is added to the system, which is at equilibrium. a. Bither C or D is added to the system, which is initially at equilibrium. b.
Ashley Bower DOIB 10/30/19 Bonus Chemical Equilibrium: Le Chatelier's Principle Practice Use what you know about...
Ashley Bower DOIB 10/30/19 Bonus Chemical Equilibrium: Le Chatelier's Principle Practice Use what you know about Le Chatelier's Principle to fill in the tables for each reaction below. N2 + 302 ( + 2NO3 ( + HEAT Stress Equilibrium shift ( → or none) (N2] (t., or same) [O2] (..or same) (NO3] T., or same) Add N2 Add NO3 Remove 02 Remove N2 Decrease Temperature Increase Pressure Temperature Increase Pressure AgBr() +→ Ag+ (aq) + Br(aq) + HEAT Stress Equilibrium...
Equilibrium and Le Chatelier Principle According to Le Chatelier's principle: What is going to happen to...
Equilibrium and Le Chatelier Principle
According to Le Chatelier's principle: What is going to happen to the color if you add more CuCl42- and why? The Kc is the equilibrium constant, the large the number the more product is favored. System 1: Cu²+(aq) + 4C1 (aq) = CuC142-(aq) Blue/Green Green/Yellow Kc or lc [CuCl2-] [Cu2+][C1-]4 O It will turn more Blue/Green and since you are adding extra chlorine ion O It will turn more Green/Yellow and since you are adding...
1. Define the following terms: a. Activation Energy b. Exothermic Reaction 2. Explain what Le Chatelier's...
1. Define the following terms: a. Activation Energy b. Exothermic Reaction 2. Explain what Le Chatelier's Principle states False True False 3. According to Collision Theory, surface area is directly related to reaction rate True 4. According to Collision Theory, reaction temperature is indirectly related to reaction rate 5. Determine the equilibrium constant K for the following reaction: H+ (aq) + OH(aq) = H20 (1) Keg 6. Determine the value of Key for the reaction CH4 (g) + 2H S(g)...
Le Chatelier's Principle 3. For Part Ill, use Le Châteller's Principle to explain the colour changes...
Le Chatelier's Principle 3. For Part Ill, use Le Châteller's Principle to explain the colour changes observed in test tubes 2 and 3 upon the addition of HC and A . Also, explain the observed colour changes in the test tubes placed in hot and cold water. (4 marks) Test Tube 2: Test Tube 3: Hot Water bath: Cold Water bath: Extension: 1. NaCl(aq) + HCl(aq) = NaCl(aq) + H2O + Cl2(g) When the above system is cooled, gas bubbles...
Question 6 Le Chatelier's Principle states that: O a disturbing force must be applied to a system in order for it to reach equilibrium. o when a system at equilibrium is disturbed, a new equilibrium constant is established. O when a chemical system at equilibrium is disturbed, the system shifts in order to minimize the effect. when a chemical system is at equilibrium it is no longer possible to alter the system.
17. Le Chatelier's Principle: pressure effects Consider the following system at equilibrium at 346 K: If the volume of the equilibrium system is suddenly increased at constant temperature: The reaction must: A. Run in the lorward direction to reestablish equiiorium B. Run in the reverse direction to reestablish equilibrium. C. Remain the same. Already at equilibrium. The number of moles of Br2 will: A. Increase. 8. Decrease. C. Remain the same. 18. Le Chatelier's Principle: mutiple etlects Consider the following...
ID: A Exam 3 Multiple Choice Identify the choice thar best completes the worawer the question 1. Le Chatelier's principle states that a. Only exothermic reactions can reach chemical equilibrium b. If a chemical equilibrium is disturbed, the system will try and reestablish equilibrium c. If a chemical equilibrium is disturbed, the temperature of the system will always decrense d. Only reactions in which a catalyst is present can reach chemical equilibrium 2. Which of following statements concerning theoretical yield,...
5. Use Le Chatelier's principle to determine whether the equilibrium for the exothermic reaction below shifts to the left, right, or does not change under each condition listed: N2(g) + 3H2(g) 2NH3(1) a. Some hydrogen is added b. A catalyst is added C. The temperature is raised d. The pressure is decreased by increasing the volume of the container
Le Chatelier's Principle Date: Course: Section: Instructor Student name: Team members: Prelaboratory assignment 1. Define the following terms: a. Chemical equilibrium b. Le Chatelier's principle 2. Consider the hypothetical reaction A+ B+ heat C+D What will happen to the concentrations of A, B, C, and D under each of the following conditions? A catalyst is added to the system, which is at equilibrium. a. Bither C or D is added to the system, which is initially at equilibrium. b.
Ashley Bower DOIB 10/30/19 Bonus Chemical Equilibrium: Le Chatelier's Principle Practice Use what you know about Le Chatelier's Principle to fill in the tables for each reaction below. N2 + 302 ( + 2NO3 ( + HEAT Stress Equilibrium shift ( → or none) (N2] (t., or same) [O2] (..or same) (NO3] T., or same) Add N2 Add NO3 Remove 02 Remove N2 Decrease Temperature Increase Pressure Temperature Increase Pressure AgBr() +→ Ag+ (aq) + Br(aq) + HEAT Stress Equilibrium...
Equilibrium and Le Chatelier Principle
According to Le Chatelier's principle: What is going to happen to the color if you add more CuCl42- and why? The Kc is the equilibrium constant, the large the number the more product is favored. System 1: Cu²+(aq) + 4C1 (aq) = CuC142-(aq) Blue/Green Green/Yellow Kc or lc [CuCl2-] [Cu2+][C1-]4 O It will turn more Blue/Green and since you are adding extra chlorine ion O It will turn more Green/Yellow and since you are adding...
1. Define the following terms: a. Activation Energy b. Exothermic Reaction 2. Explain what Le Chatelier's Principle states False True False 3. According to Collision Theory, surface area is directly related to reaction rate True 4. According to Collision Theory, reaction temperature is indirectly related to reaction rate 5. Determine the equilibrium constant K for the following reaction: H+ (aq) + OH(aq) = H20 (1) Keg 6. Determine the value of Key for the reaction CH4 (g) + 2H S(g)...
Le Chatelier's Principle 3. For Part Ill, use Le Châteller's Principle to explain the colour changes observed in test tubes 2 and 3 upon the addition of HC and A . Also, explain the observed colour changes in the test tubes placed in hot and cold water. (4 marks) Test Tube 2: Test Tube 3: Hot Water bath: Cold Water bath: Extension: 1. NaCl(aq) + HCl(aq) = NaCl(aq) + H2O + Cl2(g) When the above system is cooled, gas bubbles...
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