Equilibrium and Le Chatelier Principle
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Equilibrium and Le Chatelier Principle
According to Le Chatelier's principle: What is going to happen to...
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...
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...
Using Le Chatelier's Principle, What will happen to the number of moles of SO3 in equilibrium...
Using Le Chatelier's Principle, What will happen to the number of moles of SO3 in equilibrium with SO2 and O2 in the reaction? 2SO3(g) ⇌ 2SO2(g) + O2(g) in each of the following cases: 1. Oxygen is added to reaction container. 2. The pressure is increased by decreasing the volume of the reaction container. 3. In the rigid container (i.e. constant volume), the pressure is increased by adding argon gas. 4. The temperature of the reaction container is decreased (Note:...
Equilibrium and Le Chatelier Principle In an endothermic reaction what is correct about the energy in...
Equilibrium and Le Chatelier Principle
In an endothermic reaction what is correct about the energy in the reaction? O Energy becomes available Energy is absorbed O The energy stays the same O The reaction needs to be kept cold O Only one component realeases energy What is the main difference between a reversible and irreversible reaction? O Both a irreversable and a reversible make products are formed but not reactants irreversable reaction the products cannot convert back to the reactants,...
Need help understading the results of this lab that's about equilibrium and Le Chatelier's principle Reaults:...
Need help understading the results of this lab that's about
equilibrium and Le Chatelier's principle
Reaults:
(#4) The addition of solid sodium acetate:
turned the solution green
(#5) The addition of NaOH:
turned the solution blue
System IV Acetic acid with bromocresol green indicator 1. Place about 10 drops of 0.1M HCl solution into a well and add one drop of bromocresol green to the well. Save as a color reference. 2. Place about 10 drops of 0.1M NaOH solution...
help Select all of the following that are true about disturbing an equilibrium (Le Chatelier's principle). When an equil...
help
Select all of the following that are true about disturbing an equilibrium (Le Chatelier's principle). When an equilibrium is disturbed by adding an additional amount of one of the reactants, the system will response by making more products. When an equilibrium reaction is disturbed by adding more of one of the products, it will shift toward the reactants to return to equilibrium. All of the concentrations will change, but it will return to the same original value of Keg....
8. According to Le Chatelier, adding heat to an endothermic equilibrium reaction will cause: (A) No...
8. According to Le Chatelier, adding heat to an endothermic equilibrium reaction will cause: (A) No change (B) Products to form (C) Reactants to form 9. At a given temperature, Kc = 3.0 for the hypothetical reaction, A(g) +B(g) = C(g) If [A] = 2.0 M, [B] = 1.5 M, and [C]=9.0 M, is the reaction at equilibrium? If not, which way will it go? (A) No, to the left (B) No, to the right (C) It is at equilibrium...
In Lab 4, Qualitative Analysis, students used Le Chatelier's Principle to separate Ag.Pb2+ and Hg2+. A separation r...
In Lab 4, Qualitative Analysis, students used Le Chatelier's Principle to separate Ag.Pb2+ and Hg2+. A separation reaction is shown below, with the equilibrium constant of the reaction. AgCl(s) + 2NH3(aq) -- Ag(NH3)2+(aq) + (4) K-3.01 X 10-9 > 0 (a) The K value indicates that the products are preferred. (1) Which of the following actions will result in more dissolution of the solid? (Select all that apply) adding a cooling adding NH3 heating (c) Which of the following actions...
5. Equilibrium: In your own words, describe the criteria that are required for a chemical reaction...
5. Equilibrium: In your own words, describe the criteria that are required for a chemical reaction to be at equilibrium. 6. Le Chatlier's Principle: Suppose you have the following reaction at equilibrium. The colour of each species is listed below it. CuCl42-(aq) + 4H2O() + green colourless Cu(H2O)42+(aq) + 4 Cl(aq) blue colourless For each of the following changes, determine if the contents of the reaction vessel will turn green or blue [A] Concentrated HCI (a source of Cl') is...
How do I find the stress, shift and new equilibrium? Chemical Equilibria: Le Chatelier's Principle Report...
How do I find the stress, shift and new equilibrium?
Chemical Equilibria: Le Chatelier's Principle Report Form Name: Partner's Name: " _cífany)-LabSection: MwTTH/M.TH/F Observations and Data cirele) 1. Shifing of equilibria in acid-base reactions; Stress due to common ion (a) The Chromate Ion-Dichromate Ion Equilibrium (i) Observation when H,so, is added to the Kco. solution Use net ionic equation and write out the pertinent equilibrium that illustrates what happened when H SO4 was added to the K:CrO4 solution. Indicate the...
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...
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...
Equilibrium and Le Chatelier Principle
In an endothermic reaction what is correct about the energy in the reaction? O Energy becomes available Energy is absorbed O The energy stays the same O The reaction needs to be kept cold O Only one component realeases energy What is the main difference between a reversible and irreversible reaction? O Both a irreversable and a reversible make products are formed but not reactants irreversable reaction the products cannot convert back to the reactants,...
Need help understading the results of this lab that's about
equilibrium and Le Chatelier's principle
Reaults:
(#4) The addition of solid sodium acetate:
turned the solution green
(#5) The addition of NaOH:
turned the solution blue
System IV Acetic acid with bromocresol green indicator 1. Place about 10 drops of 0.1M HCl solution into a well and add one drop of bromocresol green to the well. Save as a color reference. 2. Place about 10 drops of 0.1M NaOH solution...
help
Select all of the following that are true about disturbing an equilibrium (Le Chatelier's principle). When an equilibrium is disturbed by adding an additional amount of one of the reactants, the system will response by making more products. When an equilibrium reaction is disturbed by adding more of one of the products, it will shift toward the reactants to return to equilibrium. All of the concentrations will change, but it will return to the same original value of Keg....
8. According to Le Chatelier, adding heat to an endothermic equilibrium reaction will cause: (A) No change (B) Products to form (C) Reactants to form 9. At a given temperature, Kc = 3.0 for the hypothetical reaction, A(g) +B(g) = C(g) If [A] = 2.0 M, [B] = 1.5 M, and [C]=9.0 M, is the reaction at equilibrium? If not, which way will it go? (A) No, to the left (B) No, to the right (C) It is at equilibrium...
In Lab 4, Qualitative Analysis, students used Le Chatelier's Principle to separate Ag.Pb2+ and Hg2+. A separation reaction is shown below, with the equilibrium constant of the reaction. AgCl(s) + 2NH3(aq) -- Ag(NH3)2+(aq) + (4) K-3.01 X 10-9 > 0 (a) The K value indicates that the products are preferred. (1) Which of the following actions will result in more dissolution of the solid? (Select all that apply) adding a cooling adding NH3 heating (c) Which of the following actions...
5. Equilibrium: In your own words, describe the criteria that are required for a chemical reaction to be at equilibrium. 6. Le Chatlier's Principle: Suppose you have the following reaction at equilibrium. The colour of each species is listed below it. CuCl42-(aq) + 4H2O() + green colourless Cu(H2O)42+(aq) + 4 Cl(aq) blue colourless For each of the following changes, determine if the contents of the reaction vessel will turn green or blue [A] Concentrated HCI (a source of Cl') is...
How do I find the stress, shift and new equilibrium?
Chemical Equilibria: Le Chatelier's Principle Report Form Name: Partner's Name: " _cífany)-LabSection: MwTTH/M.TH/F Observations and Data cirele) 1. Shifing of equilibria in acid-base reactions; Stress due to common ion (a) The Chromate Ion-Dichromate Ion Equilibrium (i) Observation when H,so, is added to the Kco. solution Use net ionic equation and write out the pertinent equilibrium that illustrates what happened when H SO4 was added to the K:CrO4 solution. Indicate the...
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