1.Initially, 0.64 mol of PCl5 is placed in a 1.0 L flask. At equilibrium, there is...
1.Initially, 0.64 mol of PCl5 is placed in a 1.0 L flask. At equilibrium, there is 0.12 mol of PCl3 in the flask. What is the equilibrium concentration of PCl5? 2.What is the equilibrium concentration of Cl2? 3.What is the numerical value of the equilibrium constant, Kc, for the reaction?
Homework Answers
If
x moles of PCl3 and Cl2 is formed at
equilibrium then moles of PCl5 left will be
(0.64-x).
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1.Initially, 0.64 mol of PCl5 is placed in a 1.0 L flask. At
equilibrium, there is...
Consider the following reaction: PCl5(g)⇌PCl3(g)+Cl2(g) a. Initially, 0.62 mol of PCl5 is placed in a 1.0...
Consider the following reaction: PCl5(g)⇌PCl3(g)+Cl2(g) a. Initially, 0.62 mol of PCl5 is placed in a 1.0 L flask. At equilibrium, there is 0.20 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. b. What is the equilibrium concentration of Cl2? Express your answer to two significant figures and include the appropriate units. c. What is the numerical value of the equilibrium constant, Kc, for...
Initially, 0.64 mol of PCI, is placed in a 1.0 L flask. At equilibrium, there is...
Initially, 0.64 mol of PCI, is placed in a 1.0 L flask. At equilibrium, there is 0.18 mol of PClz in the flask. What is the equilibrium concentration of PCls? Express your answer to two significant figures and include the appropriate units.
If 0.696 mol PCl5 is placed in a 1.78 L flask and allowed to reach equilibrium...
If 0.696 mol PCl5 is placed in a
1.78 L flask and allowed to reach equilibrium at a
given temperature, what is the final concentration of
Cl2 in the flask?
PCl5(g) PCl3(aq)
+ Cl2(g)
Kc = 0.47
a. 0.429 M
b. 0.243 M
c. 0.254 M
d. 0.275 M
e. 0.724 M
2.5 moles of PCl5 are placed in a 5.0 L flask and allowed to come to...
2.5 moles of PCl5 are placed in a 5.0 L flask and allowed to come to equilibrium. How many moles of PCl5 will be present at equilibrium? Reaction: PCl5 D PCl3 + Cl2 Kc = 0.47
Consider the following equilibrium system: PCl5(g) -->PCl3(g) + Cl2(g) A 10.00 L evacuated flask is filled...
Consider the following equilibrium system: PCl5(g) -->PCl3(g) + Cl2(g) A 10.00 L evacuated flask is filled with 0.4334 mol PCl5(g) at 297.3 K. The temperature is then raised to 510.0 K, where the decomposition of PCl5 gas takes place to an appreciable extent. When equilibrium is established, the total pressure in the flask is 2.665 atm. What is the value of the equilbrium constant in terms of concentrations, Kc, at 510.0 K?
The equilibrium constant, Kc, for the reaction below is 1.50. 2.00 mol of Cl2 are combined...
The equilibrium constant, Kc, for the reaction below is 1.50. 2.00 mol of Cl2 are combined with 2.00 mol of PCl3 in a 1.00 L flask. What mass of PCl3 is present at equilibrium? (MW of PCl3 = 137.5 g/mol) PCl3 (1) + Cl2 (g) ⇌ PCl5 (g)
1) A reaction vessel is found to contain 0.0225 mol PCl3, 0.0181 mol PCl5, and 0.105...
1) A reaction vessel is found to contain 0.0225 mol PCl3, 0.0181 mol PCl5, and 0.105 mol Cl2. The vessel is at equilibrium and has a volume of 6.18 L. Calculate K eq for the following reaction. PCl5 (g) = PCl3 (g) + Cl2 (g) 2) Consider the following reversible reaction system: FeO (s) + CO (g) = Fe (s) + CO2 (g). At a certain temperature, the equilibrium constant (Kc) for this system is 0.676. The equilibrium concentration of...
The equilibrium constant, Kc, for the following reaction is 1.20×10-2 at 500K. PCl5(g) to PCl3(g) +...
The equilibrium constant, Kc, for the following reaction is 1.20×10-2 at 500K. PCl5(g) to PCl3(g) + Cl2(g) If an equilibrium mixture of the three gases in a 15.2 L container at 500K contains 0.214 mol of PCl5(g) and 0.202 mol of PCl3, the equilibrium concentration of Cl2 is ___M.
answer both If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22...
answer both
If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22 mol of O2 at 2000°C, what is (NO) after the reaction establishes equilibrium? (Kc - 0.10 at 2000°C) N2(g) + O2(8) 2NO(g) 1) 0.034 M 2) 0.060 M 3) 0.079 M 4) 0.12 M Question 34 (1 point) For the reaction of CH3NC(8) CH3CN(8) Kc = 11 What is the equilibrium concentration of CH3CN if the flask initially contains only 0.56 M CH3CN?
The equilibrium constant Kc for the reaction: PCl3(g) + Cl2(g) PCl5(g) is 490 at 230°C. If...
The equilibrium constant Kc for the reaction: PCl3(g) + Cl2(g) PCl5(g) is 490 at 230°C. If 0.70 mol of PCl3 is added to 0.70 mol of Cl2 in a 1.00-L reaction vessel at 230°C, what is the concentration of PCl3 when equilibrium has been established? (show work)
Initially, 0.64 mol of PCI, is placed in a 1.0 L flask. At equilibrium, there is 0.18 mol of PClz in the flask. What is the equilibrium concentration of PCls? Express your answer to two significant figures and include the appropriate units.
If 0.696 mol PCl5 is placed in a
1.78 L flask and allowed to reach equilibrium at a
given temperature, what is the final concentration of
Cl2 in the flask?
PCl5(g) PCl3(aq)
+ Cl2(g)
Kc = 0.47
a. 0.429 M
b. 0.243 M
c. 0.254 M
d. 0.275 M
e. 0.724 M
answer both
If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22 mol of O2 at 2000°C, what is (NO) after the reaction establishes equilibrium? (Kc - 0.10 at 2000°C) N2(g) + O2(8) 2NO(g) 1) 0.034 M 2) 0.060 M 3) 0.079 M 4) 0.12 M Question 34 (1 point) For the reaction of CH3NC(8) CH3CN(8) Kc = 11 What is the equilibrium concentration of CH3CN if the flask initially contains only 0.56 M CH3CN?
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