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Te whether the concentration of each of the following substances was increased, ecreased, or unaf...
A ALLICI Evidence of a shift in equilibrium by a change in concentration can easily be observed i...
#1 and #2 please!
A ALLICI Evidence of a shift in equilibrium by a change in concentration can easily be observed if one of the substances involved in the equilibrium is colored. The appearance of a preeinitnte NAME REPORT FOR EXPERIMENT 24 (continued) E. Cobalt(II) Chloride Solution 1. What was the evidence for a shift in equilibrium when conc. hydrochlorie acid was added to the cobalt chloride solution? 2. (a) Write the equilibrium equation for this system. (b) State whether...
Worksheet 2 2. Calculate the concentration of each of the following solutions. Determine the molarity (mol/L)...
Worksheet 2 2. Calculate the concentration of each of the following solutions. Determine the molarity (mol/L) of a solution made by diluting 5.880 g of barium chloride to a final volume of 525.0 mL a. b. What is the molarity of a solution that dilutes 12.50 mL of 6.00 M HCI (hydrochloric acid) to a final volume of 1.50 L? If you combine 1.55 g of NH CI (ammonium chloride) with 2.38 g of CaCl, (calcium chlo- ride) and dilute...
i need help with answering these questions from lab G.C.2.7 Studying the Elect of Changes.in Conditions...
i need help with answering these questions from lab
G.C.2.7 Studying the Elect of Changes.in Conditions on an Equilibrium S 1 System No. 4: [Co(H20l + 4C C CP +6H.O. Solutions Observations Dissolved Cocl, 61,0 Pink SOLUTION Solution plus HCI Blue Solution Heated solution Blue Solution Cooled solution Pink Solution O r dine to the equilibrium equation, which ion(s) do you have after the solid was diluted Expl how you know the identity of the ion(s) present 10. Explain what...
G. C. 2-7 Studying the Effect of Changes in Conditions on an Equilibrium System 57 System...
G. C. 2-7 Studying the Effect of Changes in Conditions on an Equilibrium System 57 System No. 4: [Co(H0).J? + 4C 5 [CoCLIC + 6H,0 Solutions Observations Dissolved CoCl-6H,0 - Pink solution Solution plus HCI Blue Solution Heated solution Blue Solution Cooled solution Pink Solutam 9. According to the equilibrium equation, which ion(s) do you have after the solid was diluted? Explain how you know the identity of the ion(s) present. 10. Explain what happened when HCl was added to...
D. Questions: Common Ion Effect on a Chemical System Common Ion Effect on a Chemical System...
D. Questions: Common Ion Effect on a Chemical System Common Ion Effect on a Chemical System - Fe3+(aq) + SCN (aq) [Fe(SCN)]2+ (aq) 1. a. What evidence do you have that the equilibrium shifted when additional iron(III) chloride was added to the test solution made from iron(III)chloride and potassium thiocyanate? n o too . b. In which direction did the equilibrium shift? Explain. c. Which ion created the stress on the system that caused the equilibrium to shift?
whats the keq? dont know if mine are right. whats the keq when hcl is added,...
whats the keq? dont know if mine are right. whats the keq when
hcl is added, when chloride ions are removed, and when heating and
cooling occurs?
1. Write a balanced chemical equation for the system at equilibrium. 2+ + 4C1 Cage cocia cast GHZQ60) Ka [co 14 [COCH 20) cr] 2. Addition of HCI Observations: the solution turned blue. When adding the HCl to the erlenmeyer flask purple In which direction did this stress cause the equilibrium system to...
Need help for answering first part(1) color change is due to presence? And what was the...
Need help for
answering first part(1) color change is due to presence? And what
was the reason for the equilibrium turn to reverse direction? And
also last 2 questions.!
Chemistry 102 EXPERİMENT3 Equilibrium& Le Chatelier's Principle tive Qualita of this experiment is to study qualitative aspects of chemical systems in dynamic equilibrium. in doing this experiment, you will learm the operation of Le Chateliers principle. n Vslowly add 1 to 2 drops of dilute 6 M sodium hydroxide solution to...
Name Part B. Iron un Chloride (FeCl) plus Potassium Thiocyanate (KSCN Prepare a stock solution to...
Name Part B. Iron un Chloride (FeCl) plus Potassium Thiocyanate (KSCN Prepare a stock solution to be tested by adding 12 drops each of 0.1 M FeCl, and 0.1 MKSON well. Fill each of four medium sized test tubes (all the same size) half full of the stock solution FeSCN'(a) pale yellow colorless 1. The first tube is a control. Always compare to this color. 2. Add 20 drops of 0.1 Miron () chloride solution to the second tube. Observe...
can someone help me with the last two segments please? Sheet Studying the Equilibrium of a...
can someone help me with the last two segments
please?
Sheet Studying the Equilibrium of a Weak Acid, HS0, lon, in Water (D What is the initial color of the mixtures in Wells A-1, A-2, A-3,, A-4, and A-5 he Cole Piah f each vibrart el (2) What color change do you observe when you add Nagso, solution to Well A-1 one dlop Sau a Mare chops were added He cole edult ved Celor then, of tes wned ornge 3)...
prelab /postlab all questions please Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq)...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
#1 and #2 please!
A ALLICI Evidence of a shift in equilibrium by a change in concentration can easily be observed if one of the substances involved in the equilibrium is colored. The appearance of a preeinitnte NAME REPORT FOR EXPERIMENT 24 (continued) E. Cobalt(II) Chloride Solution 1. What was the evidence for a shift in equilibrium when conc. hydrochlorie acid was added to the cobalt chloride solution? 2. (a) Write the equilibrium equation for this system. (b) State whether...
Worksheet 2 2. Calculate the concentration of each of the following solutions. Determine the molarity (mol/L) of a solution made by diluting 5.880 g of barium chloride to a final volume of 525.0 mL a. b. What is the molarity of a solution that dilutes 12.50 mL of 6.00 M HCI (hydrochloric acid) to a final volume of 1.50 L? If you combine 1.55 g of NH CI (ammonium chloride) with 2.38 g of CaCl, (calcium chlo- ride) and dilute...
i need help with answering these questions from lab
G.C.2.7 Studying the Elect of Changes.in Conditions on an Equilibrium S 1 System No. 4: [Co(H20l + 4C C CP +6H.O. Solutions Observations Dissolved Cocl, 61,0 Pink SOLUTION Solution plus HCI Blue Solution Heated solution Blue Solution Cooled solution Pink Solution O r dine to the equilibrium equation, which ion(s) do you have after the solid was diluted Expl how you know the identity of the ion(s) present 10. Explain what...
G. C. 2-7 Studying the Effect of Changes in Conditions on an Equilibrium System 57 System No. 4: [Co(H0).J? + 4C 5 [CoCLIC + 6H,0 Solutions Observations Dissolved CoCl-6H,0 - Pink solution Solution plus HCI Blue Solution Heated solution Blue Solution Cooled solution Pink Solutam 9. According to the equilibrium equation, which ion(s) do you have after the solid was diluted? Explain how you know the identity of the ion(s) present. 10. Explain what happened when HCl was added to...
D. Questions: Common Ion Effect on a Chemical System Common Ion Effect on a Chemical System - Fe3+(aq) + SCN (aq) [Fe(SCN)]2+ (aq) 1. a. What evidence do you have that the equilibrium shifted when additional iron(III) chloride was added to the test solution made from iron(III)chloride and potassium thiocyanate? n o too . b. In which direction did the equilibrium shift? Explain. c. Which ion created the stress on the system that caused the equilibrium to shift?
whats the keq? dont know if mine are right. whats the keq when
hcl is added, when chloride ions are removed, and when heating and
cooling occurs?
1. Write a balanced chemical equation for the system at equilibrium. 2+ + 4C1 Cage cocia cast GHZQ60) Ka [co 14 [COCH 20) cr] 2. Addition of HCI Observations: the solution turned blue. When adding the HCl to the erlenmeyer flask purple In which direction did this stress cause the equilibrium system to...
Need help for
answering first part(1) color change is due to presence? And what
was the reason for the equilibrium turn to reverse direction? And
also last 2 questions.!
Chemistry 102 EXPERİMENT3 Equilibrium& Le Chatelier's Principle tive Qualita of this experiment is to study qualitative aspects of chemical systems in dynamic equilibrium. in doing this experiment, you will learm the operation of Le Chateliers principle. n Vslowly add 1 to 2 drops of dilute 6 M sodium hydroxide solution to...
Name Part B. Iron un Chloride (FeCl) plus Potassium Thiocyanate (KSCN Prepare a stock solution to be tested by adding 12 drops each of 0.1 M FeCl, and 0.1 MKSON well. Fill each of four medium sized test tubes (all the same size) half full of the stock solution FeSCN'(a) pale yellow colorless 1. The first tube is a control. Always compare to this color. 2. Add 20 drops of 0.1 Miron () chloride solution to the second tube. Observe...
can someone help me with the last two segments
please?
Sheet Studying the Equilibrium of a Weak Acid, HS0, lon, in Water (D What is the initial color of the mixtures in Wells A-1, A-2, A-3,, A-4, and A-5 he Cole Piah f each vibrart el (2) What color change do you observe when you add Nagso, solution to Well A-1 one dlop Sau a Mare chops were added He cole edult ved Celor then, of tes wned ornge 3)...
prelab /postlab all questions please
Questions 1. For the reaction at 20°C, NH3(aq) + H+ (aq) NH4(aq), the equilibrium constant is calculated to be K = to 4.5 x10%. CHAT] A. Write the Equilibrium expression for this reaction. Keq = ỞNH TH] B. From the size of the number for Keq, does the equilibrium lie to the left or to the right? Right 2. If the reaction between iron(III) ion and thiocyanate ion, Fe3+ (aq) + SCN (aq) → FeSCN2+(aq),...
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