Question

A reaction mixture was prepared by mixing 0.100 mol SO2, 0.200 mol NO2, 0.100 mol NO,...

A reaction mixture was prepared by mixing 0.100 mol SO2, 0.200 mol NO2, 0.100 mol NO, and 0.150 mol SO3 in a 5.00 L reaction vessel. The reaction is allowed to reach equilibrium at 460 K, when Kc = 85.0. What is the equilibrium concentration of each substance? SO2(g) + NO2(g) NO(g) + SO3(g)

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

SO2(g) + NO2(g) ---------------> NO(g) + SO3(g) Kc = 85

Initial 0.1 mol/5L 0.2 mol/5L 0.1 mol/5L 0.15 mol/ 5L

= 0.02 M = 0.04 M = 0.02 M = 0.05 M

at equilibrium 0.02 -x 0.04-x 0.02 +x 0.05+x

Kc = ( 0.02 +x ) ( 0.05+x)/ (  0.02 -x ) ( 0.04-x )

85 =  ( 0.02 +x ) ( 0.05+x)/ ( 0.02 -x ) ( 0.04-x )

85 ( 0.02 -x ) ( 0.04-x ) =   ( 0.02 +x ) ( 0.05+x)

0.068 - 5.1 x + 85 x2 = x2 + 0.07x + 0.001

84 x2 - 5.17x + 0.067 = 0

On solving,

x = 0.0185 M

Therefore, equilibrium concentrations are

[SO2] =   0.02 -x = 0.02-0.0185 = 0.0015 M

[NO2] =   0.04 -x = 0.04-0.0185 = 0.0215 M

[NO] = 0.02 + x = 0.02 + 0.0185 = 0.0385 M

[SO3] = 0.05+x = 0.05 + 0.0185 = 0.0685 M

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The reaction SO3(g) + NO(g) NO2(g) + SO2(g) has Kc = 0.500.If 0.100 mol of SO3...
The reaction SO3(g) + NO(g) NO2(g) + SO2(g) has Kc = 0.500.If 0.100 mol of SO3 and 0.200 mol NO were placed in a 2.0 L container and allowed to react, what would be the NO2 and SO2 concentrations be at equilibrium?
SO3(g) + NO(g) NO2(g) + SO2(g) Kc was found to be 0.500 at a certain temperature....
SO3(g) + NO(g) NO2(g) + SO2(g) Kc was found to be 0.500 at a certain temperature. A reaction mixture is prepared in which 0.189 mol NO2 and 0.189 mol of SO2 are placed in a 4.00 L vessel. After the system reaches equilibrium what will be the equilibrium concentrations of all four gases?
To study the following reaction at 20C, a mixture of NO(g), NO2(g) and H2O(g) was prepared...
To study the following reaction at 20C, a mixture of NO(g), NO2(g) and H2O(g) was prepared in a 10.0L glass reaction vessel. H2O(g) + NO2(g) + NO(g) <=> 2HNO2 (g) For NO, NO2 and HNO2, the initial concentrations were as follows: [NO]=2.59 x 10^-3 M, [NO2]=2.59 x10^-3 and [HNO2]=0M. The inital partial pressure of H2O(g) was 17.5 torr. When equilibrium was reached, the HNO2 concentration was 4.0x10^-4M. a.) From this data, calculate the value of the equilibrium constant, Kc. b.)...
What are the equlibirum concentrations of the products of the following reaction SO2 (g) + NO2...
What are the equlibirum concentrations of the products of the following reaction SO2 (g) + NO2 (g) <=> SO3 (g) +NO (g) Kc=2.50 if the reaction mixture initially contained:0.50 M SO2, 0.50 M NO2, 0.0050 MSO3, and 0.0050 M NO?
The equilibrium constant for the reaction SO2(g)+NO2(g)⇌SO3(g)+NO(g) is 2.9. Find the amount of NO2 that must...
The equilibrium constant for the reaction SO2(g)+NO2(g)⇌SO3(g)+NO(g) is 2.9. Find the amount of NO2 that must be added to 2.2 mol of SO2 in order to form 1.2 mol of SO3 at equilibrium.
c. For the reaction SO2(g) + NO2(g) NO(g) + SO3(g), Keq = 10.8. A sample of...
c. For the reaction SO2(g) + NO2(g) NO(g) + SO3(g), Keq = 10.8. A sample of this gas mixture was analyzed and found to contain 0.9 M NO, 1.7 M SO3, 0.07 M SO2, and 1.3 M NO2. Is the system at equilibrium? If so, explain why. If not, which way will it shift to reach equilibrium? (2 points)
9.Consider the following reaction: NO(g) + SO3(g) ⇌ NO2(g) + SO2(g) A reaction mixture initially contains...
9.Consider the following reaction: NO(g) + SO3(g) ⇌ NO2(g) + SO2(g) A reaction mixture initially contains 0.86 atm NO and 0.86 atm SO3. Determine the equilibrium pressure of NO2 if Kp for the reaction at this temperature is 0.0118 please show as much detail as you can!
A mixture initially consisting of 3.00 mols H2O2, 2.00 mols O2 and 5.00 mols H2 in...
A mixture initially consisting of 3.00 mols H2O2, 2.00 mols O2 and 5.00 mols H2 in a 5.00 L container was heated to 900 K and allowed to reach equilibrium. Determine the equilibrium concentration of each substance if Kc =0.0076 at 900K. (hint: Calculate Q with the initial concentrations first) H2O2(g) ⇔ O2 (g) + H2 (g)
At a particular temperature, K = 3.11 for the reaction SO2(g)+NO2(g)=SO3(g)+NO(g) If all four gases had...
At a particular temperature, K = 3.11 for the reaction SO2(g)+NO2(g)=SO3(g)+NO(g) If all four gases had initial concentrations of 0.800 M, calculate the equilibrium concentrations of the gases. [SO2]= ___________M [NO2]= ___________M [SO3]= ___________M [NO]= ____________M
At 460 degrees celcuis, the reaction SO2(g) + NO2(g) forward and reverse arrows NO(g) + SO3(g)...
At 460 degrees celcuis, the reaction SO2(g) + NO2(g) forward and reverse arrows NO(g) + SO3(g) has K= 84.7. All gasses are at an initial pressure of 1.25 atm. a. Calculate the partial pressure of each gas at equilibrium. b. Compare the total pressure initially with the total pressure at equilibrium. Would that relation be true of all gaseous systems?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT