Nitogen dioxide, NO2, is a red-brown gas that is considered an air pollutant. When heated, nitogen dioxide gas decomposes into nitrogen monoxide and oxygen gas, according to the following reaction. 2 NO2(g) = 2NO(g) + O2(g) A sample of nitrogen dioxide in a sealed vessel was heated to 575 K, and the total pressure in the vessel was measured to be 0.0980 atm before any reaction had occured. The total pressure in the vessel was monitored over time during the reaction, giving the following data. Time (s) Total pressure (atm) What is the rate law for the decomposition reaction? 0.0980 27 0.1268 rate = KPNPO, 45 0.1325 rate = KPNQ 87 0.1383 O rate = kPRo rate = k Calculate the rate constant for the reaction. Determine the units on the rate constant based on the order of the reaction. units: k = Determine the total pressure in the reaction vessel after 391 s. ProtaF atm
Nitogen dioxide, NO2, is a red-brown gas that is considered an air pollutant. When heated, nitogen dioxide gas decomposes into nitrogen monoxide and oxygen gas, according to the following reaction. 2 NO2(g) = 2NO(g) + O2(g) A sample of nitrogen dioxide in a sealed vessel was heated to 575 K, and the total pressure in the vessel was measured to be 0.0980 atm before any reaction had occured. The total pressure in the vessel was monitored over time during the reaction, giving the following data. Time (s) Total pressure (atm) What is the rate law for the decomposition reaction? 0.0980 27 0.1268 rate = KPNPO, 45 0.1325 rate = KPNQ 87 0.1383 O rate = kPRo rate = k Calculate the rate constant for the reaction. Determine the units on the rate constant based on the order of the reaction. units: k = Determine the total pressure in the reaction vessel after 391 s. ProtaF atm
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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:Nitogen dioxide, NO2, is a red-brown gas that is considered an air pollutant. When heated, nitogen dioxide gas decomposes
into nitrogen monoxide and oxygen gas, according to the following reaction.
2 NO2(g) = 2NO(g) + O2(g)
A sample of nitrogen dioxide in a sealed vessel was heated to 575 K, and the total pressure in the vessel was measured to be
0.0980 atm before any reaction had occured. The total pressure in the vessel was monitored over time during the reaction,
giving the following data.
Time (s)
Total pressure (atm)
What is the rate law for the decomposition reaction?
0.0980
27
0.1268
rate = KPNOO2
45
0.1325
rate = KPNQ
87
0.1383
rate =
rate = k
Calculate the rate constant for the reaction. Determine the units on the rate constant based on the order of the reaction.
units:
k =
Determine the total pressure in the reaction vessel after 391 s.
PtotaF
atm
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