A S19 3.4"Х S19 3.4. Cengage| M Inbox (112)-|MindTap × I+ttps:// ng.cengage.com/static/nb/ui/evo/index.html?e ISBN #9781 305 65757 1 &id-4309342 66&snapshot id-1 065250&INDTAPQ search this coursestions2NO(g) +02(g) 2NO2(g)It is observed that, when the concentration of O2 is reduced to 1/4 of its initial value, the rate of the reaction is also reduced to 1/4 of its initial value, When theconcentration of NO is multiplied by 6.13, the rate of the reaction increases by a factor of 37.6.(a) Write the rate expression for this reaction, and give the units of the rate constant k, assuming concentration is expressed as mol L and time is in secondsrate =k units-(b) If INO] were multiplied by 4.91 and [O2] by 2.56, what change in the rate would be observed?The rate would increase by a factor ofNextAutosaved at 9:31 AMBack9:31 Alv2/28/201

Question
Asked Feb 28, 2019
A S19 3.4
"Х S19 3.4
. Cengage
| M Inbox (112)-|
MindTap × I+
ttps:// ng.cengage.com/static/nb/ui/evo/index.html?e ISBN #9781 305 65757 1 &id-4309342 66&snapshot id-1 065250&
INDTAP
Q search this course
stions
2NO(g) +02(g) 2NO2(g)
It is observed that, when the concentration of O2 is reduced to 1/4 of its initial value, the rate of the reaction is also reduced to 1/4 of its initial value, When the
concentration of NO is multiplied by 6.13, the rate of the reaction increases by a factor of 37.6.
(a) Write the rate expression for this reaction, and give the units of the rate constant k, assuming concentration is expressed as mol L and time is in seconds
rate =
k units-
(b) If INO] were multiplied by 4.91 and [O2] by 2.56, what change in the rate would be observed?
The rate would increase by a factor of
Next
Autosaved at 9:31 AM
Back
9:31 Alv
2/28/201
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A S19 3.4 "Х S19 3.4 . Cengage | M Inbox (112)-| MindTap × I+ ttps:// ng.cengage.com/static/nb/ui/evo/index.html?e ISBN #9781 305 65757 1 &id-4309342 66&snapshot id-1 065250& INDTAP Q search this course stions 2NO(g) +02(g) 2NO2(g) It is observed that, when the concentration of O2 is reduced to 1/4 of its initial value, the rate of the reaction is also reduced to 1/4 of its initial value, When the concentration of NO is multiplied by 6.13, the rate of the reaction increases by a factor of 37.6. (a) Write the rate expression for this reaction, and give the units of the rate constant k, assuming concentration is expressed as mol L and time is in seconds rate = k units- (b) If INO] were multiplied by 4.91 and [O2] by 2.56, what change in the rate would be observed? The rate would increase by a factor of Next Autosaved at 9:31 AM Back 9:31 Alv 2/28/201

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Step 1

Rate law: An expression relating the rate of a reaction to the rate constant and concentrations of the reactants that are involved in the reaction.

 

For a given type of reaction:

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Step 2

The rate law takes the form as:

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Step 3

 

= Rate constant. It is the constant of proportionality between the rate of a reaction and the concentration of the reactants. Its unit is s-1.

 

[A]-Concentration of the reactant A in molarity i.e. its unit is m...

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