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Name: 2. (9 pts) Consider the equilibrium for the ionization of HCIO at 25 °C shown...
1. For the following reaction N2 (g) + 3 H2(g) — 2 NH3(g) AH° = -92.4...
1. For the following reaction N2 (g) + 3 H2(g) — 2 NH3(g) AH° = -92.4 kJ K = 1.245 x 10-5 at 427°C for each change listed, predict the equilibrium shift and the effect on the indicated quantity. Direction of Shift Gt; or no change) Effect on Quantity Change Effect (increase, decrease, or no change) amount of NH3(g) amount of N2(g) (a) decrease in volume (b) Decrease temperature (c) addition of H2(g) (d) addition of NH3(g) (e) removal of...
Question 8 (1 point) For this reaction, consider the auto-ionization reaction of water (shown below) -...
Question 8 (1 point) For this reaction, consider the auto-ionization reaction of water (shown below) - this reaction is endothermic (AHRXN>0). Based on this information, identify how would the pH of pure H20 change due to a decrease in temperature (T)? H2O(1) + H20(1) OH"(aq) + H30(ag) the pH of pure H20 would not change just by decreasing temperature the pH of pure H20 would increase with a decrease in T the pH of pure H20 would decrease with a...
The answer to part b is pH= 10.70, %ionization= 2.0%. The answer to part c is...
The answer to part b is pH=
10.70, %ionization= 2.0%.
The answer to part c is pH=9.22
Please show all work
UN (aq) + H2O(1) = NO (aq) + OH(aq) Kb = 1.0 x 10-5 @ 25 °C H Benadryl BH a. How would the following actions disturb the equilibrium? Which direction will the system go to reestablish equilibrium? How would the following be affected by the indicated actions (increase or decrease)? ACTION AG Direction of system (Benadryl] [BH"] [OH-]...
2. (9 pts) The three reactions below are all at equilibrium simultaneously in solution. Ca²+ (aq)+C,0%...
2. (9 pts) The three reactions below are all at equilibrium simultaneously in solution. Ca²+ (aq)+C,0% (aq) +CaC,0,(s) H,C,D,(aq)+H'(aq) + HC,D,(aq) HC,07(aq) + H+ (aq)+C,0; (aq) a. If HNO3 is added to this solution, would you expect to see more or less of the precipitate (CaC204) formed in the solution? Explain your reasoning by showing the effect of the addition of HNO3 on the equilibrium for the reaction. b. If Ba(OH)2 is added to this solution, would you expect to...
10. Which of the following mixtures has lower pH a) Equal volumes of 0.10M HCIO, and...
10. Which of the following mixtures has lower pH a) Equal volumes of 0.10M HCIO, and 0.10M NaOH b) Equal volumes of 0.10M HCIO and 0.10M NH Ans: 1. Does the pH increase, decrease or remain same on addition of each of the following a) NH4NO) to NHs solution Ans: b) Na:CO) to NaHCO3 solution Ans: c) NaCIO4 to NaOH solution Ans: 12. Which of the following solutions give a buffer solution when equal volumes are mixed? a) 0.10M NaF...
12. Consider the acid dissociation constants () shown below. Which of the following is the strongest...
12. Consider the acid dissociation constants () shown below. Which of the following is the strongest base? Acid HNO99) HCHO og) HCIO(ag) HCNag) K. 4.6 x 10+ 1.8 x 10 2.9 x 10+ 4.9 X 10-10 (a) NO, (b) CHO (c) Cio (d) CN (e) HCHO 13. Pick the stronger base from each pair. NO or NO CIO or CIO: For CI (a) F, NO2, CIO, (b) F, NO,, CIO." (c) F, NO, CIO, (d) CI, NO, CIO (e) CI,...
G-10 Assume the equilibrium constant K 1 for a reaction A + B 2 C. You...
G-10 Assume the equilibrium constant K 1 for a reaction A + B 2 C. You prepare a solution that has the following initial concentrations. For each solution, calculate the reaction quotient Q and state if the concentrations of reactants and products will (increase, decrease, or stay the same). a) [A] 1 M, [B] 1M, [C] 2 M. b) [A] 2 M, [B] 1 M,(C] 1 M. Answers: Q 4 >K, [A, B] increase, [C] decreases Q=0.5 < K, [A,...
EXP #9:Pre-Lab answer question 3, attached below is page two to reference! Instructor Name: Student Name:...
EXP
#9:Pre-Lab
answer question 3, attached below is page two to
reference!
Instructor Name: Student Name: 3. An unknown solution gives the following sequential results for color when indicators are added (shown below). Using the corresponding color ranges from the table on page 2, estimate the approximate pH range of this unknown solution. Explain. Bluish purple Bromphenol blue: Yellow Methyl Red: Blue Bromothymol Blue: Colorless Phenolpthalein: For a titration, pure indicators are used because the goal is to use an...
My question is #2 for the reaction Fe3+ (aq) + SCN- (aq) FeSCN2+ (aq). The goal...
My question is #2 for the reaction Fe3+ (aq) + SCN- (aq)
FeSCN2+ (aq). The goal is to predict the color change (darker or
lighter) for test tubes 2-8. I have attached the supplemental
sheets given to help with the problem. The test tubes 2-8 are being
manipulated either by temperature or things being added which can
be seen by one of the pictures.
2. For reaction "UCTIONS are increased by the same amount. Fe3+ (aq) + SCN (aq) $...
2. Consider the reactions 1 and 2 shown below. Indicate how the reaction rate for each of the reactions will change...
2. Consider the reactions 1 and 2 shown below. Indicate how the reaction rate for each of the reactions will change your options are: increase, decrease, does NOT change) when the following modifications to the reactions and conditions are introduced: reaction 1 reaction 2 Br CH30 Na CH3OH CH OH as solvent CH3OH is also solvent A. The reaction temperature for both reactions is increased. B. The concentration of the reagent shown above the arrow is increased. C. The concentration...
1. For the following reaction N2 (g) + 3 H2(g) — 2 NH3(g) AH° = -92.4 kJ K = 1.245 x 10-5 at 427°C for each change listed, predict the equilibrium shift and the effect on the indicated quantity. Direction of Shift Gt; or no change) Effect on Quantity Change Effect (increase, decrease, or no change) amount of NH3(g) amount of N2(g) (a) decrease in volume (b) Decrease temperature (c) addition of H2(g) (d) addition of NH3(g) (e) removal of...
Question 8 (1 point) For this reaction, consider the auto-ionization reaction of water (shown below) - this reaction is endothermic (AHRXN>0). Based on this information, identify how would the pH of pure H20 change due to a decrease in temperature (T)? H2O(1) + H20(1) OH"(aq) + H30(ag) the pH of pure H20 would not change just by decreasing temperature the pH of pure H20 would increase with a decrease in T the pH of pure H20 would decrease with a...
The answer to part b is pH=
10.70, %ionization= 2.0%.
The answer to part c is pH=9.22
Please show all work
UN (aq) + H2O(1) = NO (aq) + OH(aq) Kb = 1.0 x 10-5 @ 25 °C H Benadryl BH a. How would the following actions disturb the equilibrium? Which direction will the system go to reestablish equilibrium? How would the following be affected by the indicated actions (increase or decrease)? ACTION AG Direction of system (Benadryl] [BH"] [OH-]...
2. (9 pts) The three reactions below are all at equilibrium simultaneously in solution. Ca²+ (aq)+C,0% (aq) +CaC,0,(s) H,C,D,(aq)+H'(aq) + HC,D,(aq) HC,07(aq) + H+ (aq)+C,0; (aq) a. If HNO3 is added to this solution, would you expect to see more or less of the precipitate (CaC204) formed in the solution? Explain your reasoning by showing the effect of the addition of HNO3 on the equilibrium for the reaction. b. If Ba(OH)2 is added to this solution, would you expect to...
10. Which of the following mixtures has lower pH a) Equal volumes of 0.10M HCIO, and 0.10M NaOH b) Equal volumes of 0.10M HCIO and 0.10M NH Ans: 1. Does the pH increase, decrease or remain same on addition of each of the following a) NH4NO) to NHs solution Ans: b) Na:CO) to NaHCO3 solution Ans: c) NaCIO4 to NaOH solution Ans: 12. Which of the following solutions give a buffer solution when equal volumes are mixed? a) 0.10M NaF...
12. Consider the acid dissociation constants () shown below. Which of the following is the strongest base? Acid HNO99) HCHO og) HCIO(ag) HCNag) K. 4.6 x 10+ 1.8 x 10 2.9 x 10+ 4.9 X 10-10 (a) NO, (b) CHO (c) Cio (d) CN (e) HCHO 13. Pick the stronger base from each pair. NO or NO CIO or CIO: For CI (a) F, NO2, CIO, (b) F, NO,, CIO." (c) F, NO, CIO, (d) CI, NO, CIO (e) CI,...
G-10 Assume the equilibrium constant K 1 for a reaction A + B 2 C. You prepare a solution that has the following initial concentrations. For each solution, calculate the reaction quotient Q and state if the concentrations of reactants and products will (increase, decrease, or stay the same). a) [A] 1 M, [B] 1M, [C] 2 M. b) [A] 2 M, [B] 1 M,(C] 1 M. Answers: Q 4 >K, [A, B] increase, [C] decreases Q=0.5 < K, [A,...
EXP
#9:Pre-Lab
answer question 3, attached below is page two to
reference!
Instructor Name: Student Name: 3. An unknown solution gives the following sequential results for color when indicators are added (shown below). Using the corresponding color ranges from the table on page 2, estimate the approximate pH range of this unknown solution. Explain. Bluish purple Bromphenol blue: Yellow Methyl Red: Blue Bromothymol Blue: Colorless Phenolpthalein: For a titration, pure indicators are used because the goal is to use an...
My question is #2 for the reaction Fe3+ (aq) + SCN- (aq)
FeSCN2+ (aq). The goal is to predict the color change (darker or
lighter) for test tubes 2-8. I have attached the supplemental
sheets given to help with the problem. The test tubes 2-8 are being
manipulated either by temperature or things being added which can
be seen by one of the pictures.
2. For reaction "UCTIONS are increased by the same amount. Fe3+ (aq) + SCN (aq) $...
2. Consider the reactions 1 and 2 shown below. Indicate how the reaction rate for each of the reactions will change your options are: increase, decrease, does NOT change) when the following modifications to the reactions and conditions are introduced: reaction 1 reaction 2 Br CH30 Na CH3OH CH OH as solvent CH3OH is also solvent A. The reaction temperature for both reactions is increased. B. The concentration of the reagent shown above the arrow is increased. C. The concentration...
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