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2. A 3.90 g sample of Cl2 reacts with PC1z to form 11.45 g of PCls...
Phosphorus pentachloride decomposes according to the chemical equation PC15(g) PC13(g) + Cl2 (g) Kc = 1.80...
Phosphorus pentachloride decomposes according to the chemical equation PC15(g) PC13(g) + Cl2 (g) Kc = 1.80 at 250° C A 0.475 mol sample of PCI, (g) is injected into an empty 4.90 L reaction vessel held at 250° C. Calculate the concentrations of PCI, (g) and PCI,(g) at equilibrium. [PCls] [PCl3]
ampere The reaction, PCls (g) 5 PC13(g) + Cl2(g), has Kc = 4.20 x 102. If...
ampere The reaction, PCls (g) 5 PC13(g) + Cl2(g), has Kc = 4.20 x 102. If 0.1050 mol of PCL5, 0.0450 mol of Cl2 and 0.0450 mol of PCl3 is placed in a 0.5000-L flask at 250°C, what are the equilibrium concentrations of PCl3 and Cl, if equilibrium (PCI5] = 0.2065 M? A) [PC13] = 0.00350 M; (Cl2] = 0.00350 M B) [PC13] = 0.0900 M; [Cl2] = 0.0900 M -=51,85 (66450) (19450) C) [PC13] = 0.2100 M; [Cl2] =...
Consider the following reaction where Kc = 1.20x10-2 at 500 K: PCl; (g)PCl3 (g) + Cl2...
Consider the following reaction where Kc = 1.20x10-2 at 500 K: PCl; (g)PCl3 (g) + Cl2 (g) A reaction mixture was found to contain 0.125 moles of PCls (2),4.99-102 moles of PCl3 (g), and 4.1 Indicate True (T) or False (F) for each of the follow ー▼ I. In order to reach equilibrium PC15(g) must be produced in a ▼ 2. In order to reach equilibrium Kc must decrease ▼ 3. In order to reach equilibrium PC13 must be consumed...
What is the equilibrium expression for the following reaction? PCl; (g) PC13 (9) + Cl2 (g)...
What is the equilibrium expression for the following reaction? PCl; (g) PC13 (9) + Cl2 (g) Keq [PC13][C12] [PC15] Keq = [PC13] [C12]2 [PC15] Keq [PC13] [PC15] Kea [PC13)(C12] [PC15] Keq [PC13) (C12] [PC15]
Answer the questions about the following reaction below. The equilibrium constant for the decomposition of PCls...
Answer the questions about the following reaction below. The equilibrium constant for the decomposition of PCls at 250°C is 0.041 ΔH is positive; reactants and products are gases at 250°C. Refer to your textbook. 1. Is the reaction above exothermic or endothermic? 2. What happens to the concentrations of PCls and Cl if more PCls is added once the reaction reaches equilibrium? (increases, decreases) PC1s Cl2 3. What happens to the moles of PCIs, PCls and Cl in the container...
Consider the equilibrium between PCls, PClj and Cl2. PCIs(g)-PC13(g) + Cl2(g) K 0.251 at 571 K...
Consider the equilibrium between PCls, PClj and Cl2. PCIs(g)-PC13(g) + Cl2(g) K 0.251 at 571 K The reaction is allowed to reach equilibrium in a 15.2-L flask. At equilibrium, [PCIs]-9.75x102 M, [PCl,]-o.156 M and [C12] = 0.156 M. (a) The equilibrium mixture is transferred to a 7.60-L flask. In which direction will the reaction proceed to reach equilibrium? (b) Calculate the new equilibrium concentrations that result when the equilibrium mixture is transferred to a 7.60-L flask. [PCI5] [C12] =
For the ideal-gas reaction PCls (g) PCl3 (g) + Cl2 (g) state whether the equilibrium shifts to the right, left, or n...
For the ideal-gas reaction PCls (g) PCl3 (g) + Cl2 (g) state whether the equilibrium shifts to the right, left, or neither when each of the following changes is made in an equilibrium mixture at 25°C. a. Tis decreased at constant P b. V is decreased at constant T c. Some PCls is removed at constant T and V d. He(g) is added at constant T and V e. He(g) is added at constant T and P
Homework Completion
A 15.39 g sample of phosphorus reacts with chlorine to form phosphorus trichloride (PCl3) via the reaction below. P4 = 123.88 g/mol, Cl2 = 70.90 g/mol, PCl3 = 137.32 g/mol. ____ P4(s) + ____ Cl2(g) → ____ PCl3 (l) A) Balance the reaction by adding the appropriate coefficients. B) Calculate the amount (in grams) of Cl2 needed to completely react with 15.39 g of P4 D) Calculate the moles of PCl3 that will be produced from the reaction.
Phosphorous pentachloride decomposes according to the reaction PCl5(g)↽−−⇀PCl3(g)+Cl2(g)PCl5(g)↽−−⇀PCl3(g)+Cl2(g) A 13.5 g13.5 g sample of PCl5PCl5 is...
Phosphorous pentachloride decomposes according to the reaction PCl5(g)↽−−⇀PCl3(g)+Cl2(g)PCl5(g)↽−−⇀PCl3(g)+Cl2(g) A 13.5 g13.5 g sample of PCl5PCl5 is added to a sealed 1.50 L1.50 L flask and the reaction is allowed to come to equilibrium at a constant temperature. At equilibrium, 34.8%34.8% of the PCl5PCl5 remains. What is the equilibrium constant, ?cKc , for the reaction? ?c=Kc=
Solid molecular phosphorus reacts with chlorine gas to form phosphorus trichloride according to the chemical equation...
Solid molecular phosphorus reacts with chlorine gas to form phosphorus trichloride according to the chemical equation shown below. If only 6.8 g of PCl3 is produced when 5.0 g of P4 and 7.5 g of Cl2 are combined, what is the percent yield of the reaction? P4 (s) + 6Cl2 (g) → 4PCl3 (l)
Phosphorus pentachloride decomposes according to the chemical equation PC15(g) PC13(g) + Cl2 (g) Kc = 1.80 at 250° C A 0.475 mol sample of PCI, (g) is injected into an empty 4.90 L reaction vessel held at 250° C. Calculate the concentrations of PCI, (g) and PCI,(g) at equilibrium. [PCls] [PCl3]
ampere The reaction, PCls (g) 5 PC13(g) + Cl2(g), has Kc = 4.20 x 102. If 0.1050 mol of PCL5, 0.0450 mol of Cl2 and 0.0450 mol of PCl3 is placed in a 0.5000-L flask at 250°C, what are the equilibrium concentrations of PCl3 and Cl, if equilibrium (PCI5] = 0.2065 M? A) [PC13] = 0.00350 M; (Cl2] = 0.00350 M B) [PC13] = 0.0900 M; [Cl2] = 0.0900 M -=51,85 (66450) (19450) C) [PC13] = 0.2100 M; [Cl2] =...
Consider the following reaction where Kc = 1.20x10-2 at 500 K: PCl; (g)PCl3 (g) + Cl2 (g) A reaction mixture was found to contain 0.125 moles of PCls (2),4.99-102 moles of PCl3 (g), and 4.1 Indicate True (T) or False (F) for each of the follow ー▼ I. In order to reach equilibrium PC15(g) must be produced in a ▼ 2. In order to reach equilibrium Kc must decrease ▼ 3. In order to reach equilibrium PC13 must be consumed...
What is the equilibrium expression for the following reaction? PCl; (g) PC13 (9) + Cl2 (g) Keq [PC13][C12] [PC15] Keq = [PC13] [C12]2 [PC15] Keq [PC13] [PC15] Kea [PC13)(C12] [PC15] Keq [PC13) (C12] [PC15]
Answer the questions about the following reaction below. The equilibrium constant for the decomposition of PCls at 250°C is 0.041 ΔH is positive; reactants and products are gases at 250°C. Refer to your textbook. 1. Is the reaction above exothermic or endothermic? 2. What happens to the concentrations of PCls and Cl if more PCls is added once the reaction reaches equilibrium? (increases, decreases) PC1s Cl2 3. What happens to the moles of PCIs, PCls and Cl in the container...
Consider the equilibrium between PCls, PClj and Cl2. PCIs(g)-PC13(g) + Cl2(g) K 0.251 at 571 K The reaction is allowed to reach equilibrium in a 15.2-L flask. At equilibrium, [PCIs]-9.75x102 M, [PCl,]-o.156 M and [C12] = 0.156 M. (a) The equilibrium mixture is transferred to a 7.60-L flask. In which direction will the reaction proceed to reach equilibrium? (b) Calculate the new equilibrium concentrations that result when the equilibrium mixture is transferred to a 7.60-L flask. [PCI5] [C12] =
For the ideal-gas reaction PCls (g) PCl3 (g) + Cl2 (g) state whether the equilibrium shifts to the right, left, or neither when each of the following changes is made in an equilibrium mixture at 25°C. a. Tis decreased at constant P b. V is decreased at constant T c. Some PCls is removed at constant T and V d. He(g) is added at constant T and V e. He(g) is added at constant T and P
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