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Reaction kinetics
Page 3
Questions (589)
Calculate the rate at which N2O4 is formed in the following reaction at the moment in time when NO2 is being consumed at a rate
3 answers
asked by
Martin
1,547 views
In a reaction involving the iodination of acetone, the following volumes were used to make up the reaction mixture:
10 mL 5.0 M
4 answers
asked by
leticia
2,876 views
At 500 K in the presence of a copper surface, ethanol decomposesaccording to the following equation.
C2H5OH(g) CH3CHO(g) + H2(g)
3 answers
asked by
mathew
1,959 views
The half-life (t1/2) of a first order reaction is 0.100 s. What is the rate constant?
a. 6.93 s-1 b. 0.693 s-1 c. 0.0693 s-1 d.
5 answers
asked by
Shines
2,624 views
If it takes 84.2 min for the concentration of a reactant to drop to 20.0% of its initial value in a first-order reaction, what
4 answers
asked by
ted
684 views
Nitrogen Monoxide reacts with hydrogen gas to form nitrogen gas and water (vapor). (i). write a balanced equation for this
4 answers
asked by
Crystal
6,966 views
The following reaction was studied at −10°C.
2 NO(g) + Cl2(g) → 2 NOCl(g) The following results were obtained where the rate
3 answers
asked by
Kaleen
1,532 views
3) The following set of data was obtained by the method of initial rates for the reaction:
2 HgCl2(aq) + C2O42-(aq) 2
3 answers
asked by
Olivia
4,204 views
What would the units of the rate constant k be in a second order equation if rate was measured in mol/(L x s)and all
4 answers
asked by
Bob
1,244 views
Given the following hypothetical reaction: 2 E(g) + F(g) + G(g) products. If the rate law is: Rate = k[E]2[F]-1, what is the
2 answers
asked by
Mark
753 views
Surface: Ea(kj/mol):
Tungsten 248 Platinum 331 Copper 204 A decomposition reaction was studied on three different surfaces. The
3 answers
asked by
Ramon
1,583 views
The problem states, 'A student wants to determine how long it takes to dissolve 51.3 g of common table salt (sodium chloride) in
3 answers
asked by
SarahF275
1,320 views
A general reaction written as 1A + 2B --> C + 2D is studied and yields the following data:
Expt (A). (B) initial (C)/t 1. 0.150.
4 answers
asked by
Rose
5,232 views
The irreversible reaction 2A --+ B takes place in the gas phase in a constant
temperature plug flow reactor. Reactant A and
3 answers
asked by
BALOCH
1,795 views
calculate the rate constant at 225C for a reaction that has a rate constant of 8.1X10^-4 at 95c and an activation enegry of 93.0
4 answers
asked by
Jason
2,040 views
. For the reaction
2H2(g) + 2NO(g) → N2(g) + 2H2O(g) The observed rate law is Rate =k[NO]2[H2] The mechanisms shown below have
4 answers
asked by
m
5,869 views
The first-order rate constant for the decomposition of N2O5, 2N2O5(g) --> 4NO2(g) + O2(g), at 70 degrees C is 6.82 x 10^-3 s^-1.
4 answers
asked by
M
1,383 views
Given the following data, determine the rate constant of the reaction
2NO(g) + Cl2(g) 2NOCl(g) Experiment [NO] (M) [Cl2] (M) Rate
4 answers
asked by
Taylor
4,129 views
If Kc = 0.480 at 40.°C and Kc = 0.630 at 90.°C, what is ΔH° for the reaction?
X<---->Y
3 answers
asked by
Andrew
891 views
what is the pK (=-logK)at 25C for the reaction below?
Cl2(g)+6H2O(l)+5Cu2+(aq)<-->2ClO3-(aq)+12H+(aq)+5Cu(s) E0=-1.133V
10 answers
asked by
Chem
955 views
why should heating a content containing
Zn and HCl be heated in fume hood.
4 answers
asked by
Rita
477 views
In a first order decomposition reaction, 50% of a compound decomposes in 10.5 min. What is the rate constant of the reaction?
4 answers
asked by
biggie
1,722 views
For the reaction A to products}, the following data were obtained: t=0 s, A}]=0.715 M; 22 s, 0.605 M; 74 s, 0.345 M; 132 s,
4 answers
asked by
joe
663 views
What is the rate constant of 490K if the reaction 2NOCl (g) → 2NO (g) + Cl2 (g) has
an Ea of 1.00 x 102 kJ/mol and a rate
4 answers
asked by
angela villalino
455 views
Experimental results for hydrochloric acid (neutralization) are always a little less negative than the usual constant
3 answers
asked by
Wex
584 views
In a given 1st order reaction A ---> products, the initial concentration of A is 0.40 M. What will be the concentration of A
3 answers
asked by
Marcus
2,457 views
At 473 K, for the elementary reaction
2NOCl <=> 2NO + Cl_2 k(1) =0.078 L/mol*s k(-1)=470 L^2/mol^2*s A sample of NOCl is placed
4 answers
asked by
Anonymous
1,987 views
Butadiene, C4H6, in the gas phase undergoes a reaction to produce C8H12. The following data were obtained for the reaction.
[C4H6
2 answers
asked by
Anonymous
1,125 views
A zero-order reaction has a constant rate of 3.40×10−4 M/s. If after 80.0 seconds the concentration has dropped to
4 answers
asked by
Reese
1,788 views
Consider the following reaction:
2HBr(g)---> H_2(g) + Br_2(g) B)In the first 15.0s of this reaction, the concentration of HBr
3 answers
asked by
Erin
1,870 views
A certain first-order reaction A--->B is 25% complete in 42 min at 25 degrees C. What is the rate constant?
4 answers
asked by
Angel
2,192 views
A reaction of the form aA---> Products is second order with a rate constant of 0.169 L/(mol*s). If the intial concentration of A
3 answers
asked by
Sam
754 views
What is the molecularity of each of the following elementary reactions?
A. O+O2+N2----> O3+N2+ B. NO2Cl + Cl---> NO2 + Cl2 C. Cl
3 answers
asked by
Lauren
1,928 views
Given the activation energy for hydrolysis of sucrose is 108*10'3kj/mol compare rate constant of this reaction at 37degree c
3 answers
asked by
Melekte
304 views
A butyl rubber bag of total volume 3.0 m3 is used as a biogas digester. Each day it is fed an input of 0.20 m3 of slurry, of
4 answers
asked by
Avneel
1,023 views
Study the reaction.
2A(?) + B(g) ⇌ A2B(g) Both B and A2B are gases. When the reaction vessel is compressed, the equilibrium
4 answers
asked by
Maddie
726 views
Hello,
So I have recently done a lab with cobalt(II) nitrate and NaOCl (bleach) and our objective was to determine if colbalt or
2 answers
asked by
Sherlique
1,280 views
Consider the following mechanism:
STEP 1: A ---> B +C (slow) STEP 2: C+D ---> E (fast) OVERALL: A+D---> B+E Determine the rate
3 answers
asked by
Anna
1,642 views
By applying Le Châtelier’s principle to a reaction that has come to equilibrium, the reaction can be made to
A. produce more
3 answers
asked by
syd
1,695 views
To interpret and compare heats of reaction (Hrxn), standard states must be used. What are the standard states for a gas, an
4 answers
asked by
Morgan
720 views
The rate constant for a second-order reaction is 0.54 M-1s-1. What is the half-life of this reaction if the initial
4 answers
asked by
anonymous.
2,795 views
A certain first-order reaction has a rate constant of 2.75 10-2 s−1 at 20.°C. What is the value of k at 50.°C if Ea = 75.5
3 answers
asked by
Hannah
1,562 views
A second-order reaction has a rate constant of 1.65 M–1 s–1. If the initial reactant concentration is 1.0 M, calculate the
4 answers
asked by
Maya
847 views
For the reaction, A = B + C, the rate law is kA]. If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be
4 answers
asked by
elvis
1,256 views
THE RATE LAW FOR THE REACTION 2NO + 02 = 2NO2 IS FIRST ORDER IN OXYGEN AND SECOND ORDER IN NO. PROPOSE A MECHANISM IN WHICH EACH
2 answers
asked by
ALISON
1,223 views
what happens when a solution of water and t butyl are shaken up with saturated potassium carbonate?
4 answers
asked by
suel
1,104 views
The formation of nitroanalyine (an important intermediate in dyes, called ‘fast orange’)
is formed from the reaction of
3 answers
asked by
john
956 views
If the initial concentration of AB is .250 M, and the reaction mixture initially contains no products, what are the
4 answers
asked by
Ashton
1,384 views
The rate constant for a certain reaction is k = 5.00×10−3 s-1 . If the initial reactant concentration was 0.950 M , what will
4 answers
asked by
Reese
818 views
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E = 5.0
3 answers
asked by
????
119 views
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Parent Categories (13)
Acid-Base Chemistry
Acid-base reactions
Acids and Bases
Chemical Reactions
Chemistry
Enzymes
Equilibrium
Gases
Organic Chemistry
Physical Chemistry
Reactions
Spectroscopy
Thermodynamics