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Equilibrium Consider the following equilibrium: CH 3COOH(aq) + H 20(1) = CH 3COO "(aq) + H...
Solubility Product A student determines that the concentration of OH" ions in a saturated solution of...
Solubility Product A student determines that the concentration of OH" ions in a saturated solution of calcium hydroxide, Ca(OH)2 is 0.054 M. What is Ksp for Ca(OH)2? Ca 7.9 x 10-5 Ob.5.4 x 10-3 Oc. 1.6 x 10-7 Od. 2.9x 10-3 Freezing Point Depression Which colligative property of solutions listed below is correctly stated. 1. The freezing point of a solution decreases as more solute is added. II. The boiling point of a solution increases as more solute is added....
Equilibrium Fe 3+ Given the following information what is the concentration of SCN * at equilibrium?...
Equilibrium Fe 3+ Given the following information what is the concentration of SCN * at equilibrium? Ko = 450, Fe 3+ is 4.9 x 10-3M and Fe(NCS) 2+ is 1.8 x 10-4 M. The equilibrium reaction is: + SCN 5 Fe(NCS) 2+ a. 8.2 x 10-5 b.4.0 x 10-4 O c. 1.2 x 104 d. 17 e.6.0 x 10-2 Pure glacial acetic acid, HC2H302, has a freezing point of 16.62 °C. Its freezing point depression constant is: Kf = 3.57...
1. Consider the following reaction at equilibrium. CH3COOH (aq) = CH3COO- (aq) + H+ (aq) a)...
1. Consider the following reaction at equilibrium. CH3COOH (aq) = CH3COO- (aq) + H+ (aq) a) When NaOH is added to the solution, write the reaction that occurs. (What does the OH react with?) b) When NaOH is added to the solution, will the concentration of each of the following species increase, decrease, or remain the same? Explain your answer. [H"] [CH,C00] [CH2COOH)
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. 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...
Consider the reaction Sr(s) + FeOH+ (aq) + H3O+(aq) = Sr2+ (aq) + Fe(s) + 2H2O(l)....
Consider the reaction
Sr(s) + FeOH+ (aq) + H3O+(aq) = Sr2+ (aq) + Fe(s) + 2H2O(l).
Which of the following will result in a decrease in Sr2+
concentration?
tools excama.pdf * O 1.2 x 10-3M O 2.5 x 10-3 O 7.4 x 10-9 O 6.3 x 10-5 5. onsider the reaction Sr(s) + FeOH(aq) +H,O*(aq) — Sr+ (aq) + Fe(s) + 2H,000). Which of the following will result in a decrease in Sr? concentration? O Adding excess Fe(s). O Adding...
Part A: Consider the following system at equilibrium: A(aq)+B(aq)⇌2C(aq) Classify each of the following actions by...
Part A: Consider the following system at equilibrium: A(aq)+B(aq)⇌2C(aq) Classify each of the following actions by whether it causes a leftward shift, a rightward shift, or no shift in the direction of the net reaction. Drag the appropriate items to their respective bins. Bins: leftward shift, rightward shift, no shift Categories: Increase [B], Decrease [C], Decrease [B], Decrease [A], Double [A] and halve [B], Double both [B] and [C], Increase [A], increase [C] Part B: The following system is at...
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,...
AH positive Ba-(aq) 2 OH(aq) Ba(OH)(s) H. For the aqueous equilibrium: Indicate how the following perturbations...
AH positive Ba-(aq) 2 OH(aq) Ba(OH)(s) H. For the aqueous equilibrium: Indicate how the following perturbations affect the equilibrium position and the equilibrium constant. For the equilibrium position: Use R, L, and 0 for shift right, shift left, and no change For the equilibrium constant: Use +, -, and 0 for increase, decrease, and no change. Equil. Constant Equil. Position Perturbation (a) Barium acetate is added. (b) More barium hydroxide is added. (c) More water is added. (d) Heat is...
2H20の←→ H,O"(aq) + OH(aq) K.-1 x 10-14 CH as an intoxikcant (streetHO name: G, Lquidx, Home Bov)...
2H20の←→ H,O"(aq) + OH(aq) K.-1 x 10-14 CH as an intoxikcant (streetHO name: G, Lquidx, Home Bov). its chemical structare is shown to the right GHB is a weak acid that reacts with water: GHB decomposes in water according to the reaction shown below The decomposition of GHB into GBL can be reduced by increasing the pH of the solution. The following reaction takes place in baic solutions GBL OH where GB is the conjugate base of GHB. Use the...
Solubility Product A student determines that the concentration of OH" ions in a saturated solution of calcium hydroxide, Ca(OH)2 is 0.054 M. What is Ksp for Ca(OH)2? Ca 7.9 x 10-5 Ob.5.4 x 10-3 Oc. 1.6 x 10-7 Od. 2.9x 10-3 Freezing Point Depression Which colligative property of solutions listed below is correctly stated. 1. The freezing point of a solution decreases as more solute is added. II. The boiling point of a solution increases as more solute is added....
Equilibrium Fe 3+ Given the following information what is the concentration of SCN * at equilibrium? Ko = 450, Fe 3+ is 4.9 x 10-3M and Fe(NCS) 2+ is 1.8 x 10-4 M. The equilibrium reaction is: + SCN 5 Fe(NCS) 2+ a. 8.2 x 10-5 b.4.0 x 10-4 O c. 1.2 x 104 d. 17 e.6.0 x 10-2 Pure glacial acetic acid, HC2H302, has a freezing point of 16.62 °C. Its freezing point depression constant is: Kf = 3.57...
1. Consider the following reaction at equilibrium. CH3COOH (aq) = CH3COO- (aq) + H+ (aq) a) When NaOH is added to the solution, write the reaction that occurs. (What does the OH react with?) b) When NaOH is added to the solution, will the concentration of each of the following species increase, decrease, or remain the same? Explain your answer. [H"] [CH,C00] [CH2COOH)
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. 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...
Consider the reaction
Sr(s) + FeOH+ (aq) + H3O+(aq) = Sr2+ (aq) + Fe(s) + 2H2O(l).
Which of the following will result in a decrease in Sr2+
concentration?
tools excama.pdf * O 1.2 x 10-3M O 2.5 x 10-3 O 7.4 x 10-9 O 6.3 x 10-5 5. onsider the reaction Sr(s) + FeOH(aq) +H,O*(aq) — Sr+ (aq) + Fe(s) + 2H,000). Which of the following will result in a decrease in Sr? concentration? O Adding excess Fe(s). O Adding...
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,...
AH positive Ba-(aq) 2 OH(aq) Ba(OH)(s) H. For the aqueous equilibrium: Indicate how the following perturbations affect the equilibrium position and the equilibrium constant. For the equilibrium position: Use R, L, and 0 for shift right, shift left, and no change For the equilibrium constant: Use +, -, and 0 for increase, decrease, and no change. Equil. Constant Equil. Position Perturbation (a) Barium acetate is added. (b) More barium hydroxide is added. (c) More water is added. (d) Heat is...
2H20の←→ H,O"(aq) + OH(aq) K.-1 x 10-14 CH as an intoxikcant (streetHO name: G, Lquidx, Home Bov). its chemical structare is shown to the right GHB is a weak acid that reacts with water: GHB decomposes in water according to the reaction shown below The decomposition of GHB into GBL can be reduced by increasing the pH of the solution. The following reaction takes place in baic solutions GBL OH where GB is the conjugate base of GHB. Use the...
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