The decomposition of nitrosyl bromide at 10 °C NOBrNO + ½ Br2 is second order in NOBr with a rate constant of 0.800 M-1 s-1. If the initial concentration of NOBr is 0.390 M, the concentration of NOBr will be_______ M after 8.54 seconds have passed.
![NOBR NO + L Bry K - 0.800 Ms initial Conc [A]. 0.39 M Conc. of NoBr ofter 8.54 seconds = ?? of No Br Ang → formula for 2nd](http://img.homeworklib.com/questions/00b509c0-0059-11eb-8981-a15361aa5118.png?x-oss-process=image/resize,w_560)
The decomposition of nitrosyl bromide at 10 °C NOBrNO + ½ Br2 is second order in...
1. In a study of the decomposition of nitrosyl bromide
at 10 °C
NOBr ---> NO + ½
Br2
the following data were obtained:
[NOBr], M
6.71×10-2
3.36×10-2
1.68×10-2
8.40×10-3
seconds
0
20.9
62.8
147
Hint: It is not necessary to graph these
data.
(1)
The observed half life for this reaction when the starting
concentration is 6.71×10-2 M is _______
s and when the starting concentration is
3.36×10-2 M is
s.
(2)
The average (1/[NOBr])
/ t from t...
In a study of the decomposition of nitrosyl bromide at 10 °C NOBr—+NO+ Br2 the concentration of NOBr was followed as a function of time. It was found that a graph of 1/[NOBr] versus time in seconds gave a straight line with a slope of 1.27 m?s and a y-intercept of 3.98 M? Based on this plot, the reaction is order in NOBr and the rate constant for the reaction is M?? In a study of the decomposition of hydrogen...
Orders to choose from: First,
Second, Zero
In a study of the decomposition of nitrosyl bromide at 10 °C the concentration of NOBr was followed as a function of time. It was found that a graph of 1/[NOBr] vess time in seconds gave a straight line with a slope of 1.22 M s1 and a y-intercept of 8.55 M Based on this plot, the reaction is order in NOBr and the rate constant for the reaction is In a study...
For the decomposition of nitrosyl bromide at 10 °C 2 NOBr(g)2NO) +Br2(g) the average rate of disappearance of NOBr over the time period from t-0s to t 6.48 s is found to be 2.24 102Ms What is the average rate of appearance of Br2 over the same time period? Submit Show Anproach Show Tutor Steps Sulbmit Answer 5 iten attempts remaining
The decomposition of nitrosyl chloride represents a second order process. 2 nitrosyl chloride ? dichlorine + 2 nitrogen monoxide Answer the following questions about the decomposition of nitrosyl chloride. Report all answers to three significant figures. 1. The initial concentration of nitrosyl chloride is 3.244×10-3 M, however after 3.39 h the concentration decreases to 2.011×10-3 M. Calculate the rate constant (in /M hr) for this process. Tries 0/3 2. If the initial concentration of nitrosyl chloride is 3.244×10-3 M, calculate...
The decomposition of nitrosyl chloride represents a second order process. 2 nitrosyl chloride → dichlorine + 2 nitrogen monoxide Answer the following questions about the decomposition of nitrosyl chloride. Report all answers to three significant figures. 1. The initial concentration of nitrosyl chloride is 5.271×10-3 M, however after 1.27 h the concentration decreases to 3.110×10-3 M. Calculate the rate constant (in /M hr) for this process. Tries 0/3 2. If the initial concentration of nitrosyl chloride is 5.271×10-3 M, calculate...
The decomposition of nitrosyl bromide (NOBr) has an equilibrium constant, Kc, equal to 3.07 x 10-4 at 24oC according to the equation: 2NOBr(g)D 2NO(g) + Br2(g) . Which of the following system compositions is at equilibrium at 24oC? ( ) [NOBr] = 0.0610M, [NO] = 0.0151M, [Br2] = 0.0108M ( ) [NOBr] = 0.115M, [NO] = 0.0169M, [Br2] = 0.0142M ( ) [NOBr] = 0.181M, [NO] = 0.0123M, [Br2] = 0.0201M ( ) [NOBr] = 0.0450M, [NO] = 0.0105M, [Br2]...
The decomposition of nitrosyl chloride (above) is second-order with a rate constant of 0.020 M−1s −1. If the initial concentration of NOCl is 0.200 M, what will be the concentration after 2.0 minutes? (A) 0.070 M (B) 0.198 M (C) 0.090 M (D) 0.14 M
The gas phase reaction of nitric oxide, NO, with bromine, Br2,
to produce nitrosyl bromide, NOBr,
occurs according to the net reaction: A possible reaction
mechanism is:
?1
Step 1: 2 NO ⇌ N2O2
?−1
Step 2: N2O2 + Br2
2NO+Br2 → 2NOBr
2 NOBr
Neither step is faster than the other. What is the order of the
overall reaction, and what is the overall rate constant (expressed
in terms of the individual rate constants for the elementary
steps)?
9....
The decomposition of nitrous oxide at 565 °C N2O(g)----> N2(g) + ½ O2(g) is second order in N2O. In one experiment, when the initial concentration of N2O was 0.790 M, the concentration of N2O dropped to 0.103 M after 5.21×10^3 seconds had passed. Based on these data, the rate constant for the reaction is _____________ M-1 s-1.