When heated, phosphorus pentachloride, PC15, forms PC13 and C12 as follows: PC15(g) ⇔ PC13(g) + C12(g)
When 1.75 mol PC15 in a 1.00-L container is allowed to come to equilibrium, the mixture was found to contain 0.270 mol PC13. Determine the molar composition of the mixture and then calculate Kc
When heated, phosphorus pentachloride, PC15, forms PC13 and C12 as follows: PC15(g) ⇔ PC13(g) + C12(g)...
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]
Consider the following reaction where K. = 83.3 at 500 K: PC13(g) + Cl2(g) = PC15(8) A reaction mixture was found to contain 2.76x10-2 moles of PC13(g), 4.46x10-2 moles of Cl2(g) and 0.133 moles of PC13(g), in a 1.00 Liter container. Indicate True (T) or False (F) for each of the following: (- 1. In order to reach equilibrium PC15(g) must be consumed. 2. In order to reach equilibrium K, must increase. 3. In order to reach equilibrium PC1z must...
Phosphorus pentachloride can dissociate into phosphorus trichloride and chlorine: PCs (8) PC13(8) + Cl2(8) At 250.°C, the equilibrium constant for this dissociation reaction is 2.15. (a) If 12.00 g of phosphorus pentachloride is placed in a 11.90-L vessel and heated to 250°C, what is the partial pressure of phosphorus trichloride when equilibrium is attained? (Enter your answer to 3 significant figures.) atm (b) What fraction of phosphorus pentachloride is dissociated at equilibrium? (Enter your answer to 3 significant figures.)
Phosphorus pentachloride is formed when phosphorus trichloride and chlorine react. PCl3(g) + Cl2(g) ⇌ PCl5(g) The equilibrium constant for the reaction is KC = 38.0 at 233 °C. If 0.510 mol of phosphorus trichloride is added to 0.238 mol of chlorine in a 1.11-L reaction vessel at this temperature, what is the equilibrium concentration (in mol/L) of phosphorus pentachloride? Report your answer to THREE significant figures.
Question 1. Phosphorous trichloride reacts with chlorine to produce phosphorus pentachloride: PC13(g) + Cl2(8) - PC1s(8) The equilibrium constant (Kc) for the reaction is 96 at 400 K If the equilibrium concentration of PC13 is 0.50 M and Cl, is 0.070 M, what is the equilibrium concentration of PCI ? Question 2. Consider the reaction between hydrogen and iodine H2(g) + 12(6) 2 HI(g) Kc = 64 Initially, a container was charged with 0.55 atm of H, and I2, what...
A student ran the following reaction in the laboratory at 494 K: PC13(g) =PC13(g) + C12(E) When she introduced PCI3(g) at a pressure of 0.778 atm into a 1.00 L evacuated container, she found the equilibrium partial pressure of Cl2(g) to be 0.387 atm. Calculate the equilibrium constant, Kp, she obtained for this reaction. Кр
What is the theoretical yield (in grams) of phosphorus pentachloride when 3.85 g of phosphorus reacts with 25.8 g of chlorine according to the following reaction: P4 (s) + 10 Cl2 (g) → 4 PCl5 (l) Use the correct number of significant figures, fill in the number ONLY! lan 4 15 What is the mass of excess reactant (in grams) that remains after the limiting reagent produces the maximum amount of phosphorus pentachloride possible upon the reaction of 4.69 g...
1. The equilibrium constant, Kc, for the reaction PC13(g) + Cl2(g) = Pcl3(g) equals 49 at 230°C. If 0.400 mol each of phosphorus trichloride and chlorine are added to a 4.0-L reaction vessel, what is the equilibrium composition of the mixture at 230°C?
The equilibrium constant, Kc, for the following reaction is 83.3 at 500 K. PC13(g) + Cl2(g) = PC15(g) Calculate the equilibrium concentrations of reactant and products when 0.389 moles of PC13 and 0.389 moles of Cl2 are introduced into a 1.00 L vessel at 500 K [PC13] = [Cl] = [PC15] - The equilibrium constant, Kc, for the following reaction is 5.10x10-6 at 548 K. NH4Cl(s) NH3(g) + HCl(g) Calculate the equilibrium concentration of HCl when 0.467 moles of NHACI(S)...
Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas:PCl3(g)+Cl2(g)→PCl5(g).A 7.5-L gas vessel is charged with a mixture of PCl3(g) and Cl2(g), which is allowed to equilibrate at 450 K. At equilibrium the partial pressures of the three gases are PPCl3 = 0.123atm , PCl2 = 0.158atm , and PPCl5 = 1.20atm .Calculate Kc for this reaction at 450 K.