8) Consider the reactions (forward and reverse, respectively, for the same equilibrium) below: k = 2.6 x 103 liter² mol²-sec @ 380°C 2 NO(g) + O2(g) → 2 NO 2 (g) 2 NO₂ (g) → 2 NO(g) + O2(g) a. Write the equilibrium expression for the forward reaction (first reaction) and calculate the numerical value for the equilibrium constant at 380°C. Note: remember that rate= rater, and assume this is a one-step mechanism b. The system above is studied at another temperature. A 0.200 mole sample of NO2 is placed in a 5.00 liter container and allowed to come to equilibrium. When equilibrium is reached, 15.0% of the original NO2 has decomposed to NO and O2. Calculate the value for the equilibrium constant at the second temperature. liter @ 380°C kr = 4.1 mol-sec
8) Consider the reactions (forward and reverse, respectively, for the same equilibrium) below: k = 2.6 x 103 liter² mol²-sec @ 380°C 2 NO(g) + O2(g) → 2 NO 2 (g) 2 NO₂ (g) → 2 NO(g) + O2(g) a. Write the equilibrium expression for the forward reaction (first reaction) and calculate the numerical value for the equilibrium constant at 380°C. Note: remember that rate= rater, and assume this is a one-step mechanism b. The system above is studied at another temperature. A 0.200 mole sample of NO2 is placed in a 5.00 liter container and allowed to come to equilibrium. When equilibrium is reached, 15.0% of the original NO2 has decomposed to NO and O2. Calculate the value for the equilibrium constant at the second temperature. liter @ 380°C kr = 4.1 mol-sec
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:8) Consider the reactions (forward and reverse, respectively, for the same
equilibrium) below:
2 NO(g) + O2(g)
2 NO 2 (g)
→
2 NO 2 (g)
2 NO(g) + O2(g)
k = 2.6 x 103 liter²
mol²-sec
@ 380°C
liter @ 380°C
mol-sec
kr = 4.1
a. Write the equilibrium expression for the forward reaction (first
ction) and calculate the numerical value for the equilibrium
constant at 380°C. Note: remember that rate= rater, and assume
this is a one-step mechanism
b. The system above is studied at another temperature. A 0.200 mole
sample of NO2 is placed in a 5.00 liter container and allowed to
come to equilibrium. When equilibrium is reached, 15.0% of the
original NO2 has decomposed to NO and O2. Calculate the value
for the equilibrium constant at the second temperature.
Answer: 600, 10000
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