Question

In: Chemistry

Consider the following reaction: PCl5(g)⇌PCl3(g)+Cl2(g) Initially, 0.65 mol of PCl5 is placed in a 1.0 L...

Consider the following reaction: PCl5(g)⇌PCl3(g)+Cl2(g)

Initially, 0.65 mol of PCl5 is placed in a 1.0 L flask. At equilibrium, there is 0.16 mol of PCl3 in the flask. What is the equilibrium concentration of PCl5?

Express your answer to two significant figures and include the appropriate units.

Solutions

Expert Solution

Dear student,

Please give positive response and rating if satisfied with the answer.


Related Solutions

2.0 mol each of PCl5, PCl3, and Cl2 are placed in a 2.0L reaction vessel at...
2.0 mol each of PCl5, PCl3, and Cl2 are placed in a 2.0L reaction vessel at 620K. Kc for the reaction PCl5(g) ↔ PCl3(g) + Cl2(g) is 0.60 at the given temperature. What is the equilibrium concentration of Cl2? 1.146 is incorrect.
The reaction: PCl5(g) <-> PCl3(g) + Cl2(g) has Kc=0.0900. A 0.1000 mol sammple of PCl5 is...
The reaction: PCl5(g) <-> PCl3(g) + Cl2(g) has Kc=0.0900. A 0.1000 mol sammple of PCl5 is placed in an empty 1.00 flask and the above reaction is allowed to come to equilibrium at a certain temp. How manny moles of PCl5, PCl3 and Cl2, respectively, are present at equilibrium?
Consider the following reaction: PCl5 (g)⇄ PCl3 (g) + Cl2 (g) ΔH = 87.9 kJ/reaction For...
Consider the following reaction: PCl5 (g)⇄ PCl3 (g) + Cl2 (g) ΔH = 87.9 kJ/reaction For each of the following changes, indicate whether the reaction will proceed towards products, towards reactants, or have no net reaction to reestablish equilibrium. a. ___________ Temperature is increased b. ___________ The pressure is increased by decreasing the volume. c. ___________ The pressure is decreased by removing some PCl 5 (g) d. ___________ The pressure is increased by adding N2(g) e. ___________ Cl2(g) is removed...
The reaction below is exothermic: PCl3 (g) + Cl2 (g) <---> PCl5 (g) Which change will...
The reaction below is exothermic: PCl3 (g) + Cl2 (g) <---> PCl5 (g) Which change will increase the number of moles of of PCl5 (g) present? A. The volume of the reaction vessel is tripled B. The reaction vessel is cooled C. Some of the Cl2 is removed D. Krypton gas is added to the reaction vessel
For the following reaction, Keq is 0.00183 at 390. K: PCl5(g) PCl3(g) + Cl2(g) If 2.89...
For the following reaction, Keq is 0.00183 at 390. K: PCl5(g) PCl3(g) + Cl2(g) If 2.89 g of PCl5 is placed in a 2.86 L bulb at 390. K, what is the equilibrium pressure of Cl2? 1 atm = 1.013 bar answer in bar
What is the percent yield for the reaction PCl3(g) + Cl2(g) --> PCl5(g)   if 119.3 g...
What is the percent yield for the reaction PCl3(g) + Cl2(g) --> PCl5(g)   if 119.3 g of PCl5 are formed when 61.3 g of Cl2 reacts with 125.5g PCl3?
Gaseous phosphorus pentachloride decomposes according to the reaction PCl5 (g) ⇌ PCl3 (g) + Cl2 (g)...
Gaseous phosphorus pentachloride decomposes according to the reaction PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) The equilibrium system was analyzed at a particular temperature, and the concentration of the substances present were determined to be [PCl5] = 1.1 x10-2 M, [PCl3] = 0.325 M, and [Cl2] = 3.9 x 10-3 M. Calculate the value of K for the reaction.
The equilibrium constant K=0.36 for the reaction PCl5 (g)  PCl3 (g) +Cl2 (g). (a) Given...
The equilibrium constant K=0.36 for the reaction PCl5 (g)  PCl3 (g) +Cl2 (g). (a) Given that 2.0 g of PCl5 was initially placed in the reaction chamber of volume 250 cm3, determine the molar concentration in the mixture at equilibrium. (b) What is the percentage of PCl5 decomposed.
PCl5(g)--->PCl3(g)+Cl2(g) Kc= 1.80 at 250 degrees celcius A 0.173 mol sample of PCl5(g) is injected into...
PCl5(g)--->PCl3(g)+Cl2(g) Kc= 1.80 at 250 degrees celcius A 0.173 mol sample of PCl5(g) is injected into an empty 2.55 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and PCl3(g) at equilibrium.
Consider this gas phase equilibrium system: PCl5(g) equilibrium arrow PCl3(g) + Cl2 deltaH = +87.8 kJ/mol...
Consider this gas phase equilibrium system: PCl5(g) equilibrium arrow PCl3(g) + Cl2 deltaH = +87.8 kJ/mol Which of these statements are false? A) increasing the temperature causes the equilibrium constant to increase B) increasing the system volume shifts the equilibrium to the right C) increasing the temperature shifts the equilibrium to the right D) a catalyst speeds up the approach to equilibrium and shifts the position from equilibrium to the right. E) decreasing the total pressure of the system shifts...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT