The reaction 2NO----->2NO + O2 follows second-order kinetics. At 300 degrees celsius, [NO2] drops from 0.0100...
The rate constant for the second-order reaction: 2N02(g)-→ 2NO(g) + O2(g) is 0.54/M s at 300°C 2 M to 0.28 Mn (a) How long (in seconds) would it take for the concentration of NO2 to decrease from 0.6 (b) Calculate the half-lives at these two concentrations.
2. (10 pts) Consider the following second-order reaction: 2NO2(g) + 2NO(g)+O2(g) The rate constant is 0.54 M-15-1, at 300 °C. How long would it take for the concentration of NO2 to decrease from 0.62M to 0.28M?
Decomposition of NO2(g) at 300 °C yields the data in the table. Plots of In[NO2] and 1/[NO2] are shown below. The rate constant for this reaction at 300 °C is . (Hint: The units are based on the reaction order.) Report your answer with two significant figures. Do NOT include units in your answer. 2 NO2(g) → 2NO(g) + O2(g) Time (s) [NO2] (M) 0.0 0.0100 50.0 0.00787 100.0 0.00649 200.0 0.00481 300.0 0.00380 isabel Camera m o r talidad...
9. The reaction 2NO +O2 → 2NO2 is believed to occur by the following mechanism: 2NO ↔ N2O2 N2O2 + O2 → 2 NO2 a. Assume N2O2 to be in a steady state and derive the rate equation for the overall reaction. b. Under what condition does the rate equation reduce to second order kinetics in NO and first order kinetics in O2 at the same time?
The reaction 2NO(g)+O2(g)→2NO2(g) is second order in NO and first order in O2. When [NO]= 4.5×10−2 M and [O2]= 3.7×10−2 M , the observed rate of disappearance of NO is 9.9×10−5 M/s . What is the rate of disappearance of O2 at this moment?
QUESTION 8A Consider the reaction 2 N2O5 --> 4 NO2 + O2. A chemist studying the kinetics of the reaction monitored the concentration of N2O5 as a function of time at 45°C, and obtained the data below. Time (s) [N2O5] (M) 0 0.100 50 0.0707 100 0.0500 200 0.0250 300 0.0125 400 0.00625 What is the order of the reaction? 0 1/2 1 2 QUESTION 8A Use the data from question 8 to determine the value of the rate constant for...
At a certain temperature this reaction follows second-order kinetics with a rate constant of 0.653 M -1 -1 is : 2803 (g) → 2802(g) +O2(g) Suppose a vessel contains SO, at a concentration of 0.360 M. Calculate the concentration of SO, in the vessel 43.0 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. x 6 ?
1a. The reaction of NO and O2 produces NO2. 2 NO(g) + O2(g) → 2 NO2(g) The reaction is second order with respect to NO(g) and first order with respect to O2(g). At a given temperature, the rate constant, k, equals 4.6 x 102 M–2 s–1. When the initial concentrations of NO and O2 are 0.02 M and 0.015 M, respectively, the rate of the reaction is ___ M/s. 1b. The rate constant of a first-order decomposition reaction is 0.014...
(b) A reaction follows second-order kinetics with a rate constant 7.0 10M'sat 25°C, If the initial concentration is 0.86 M, calculate the concentration after 120 s
The reaction of NO and O2 produces NO2. 2 NO(g) + O2(g) → 2 NO2(g) The reaction is second-order with respect to NO(g) and first-order with respect to O2(g). At a given temperature, the rate constant, k, equals 4.7E+2 M–2s–1. What is the rate of reaction when the initial concentrations of NO and O2 are 1.95E-2 M and 1.40E-2 M, respectively? 5.32E-6 M/s 2.50E-3 M/s 1.80E-3 M/s 0.128 M/s -2.50E-3 M/s