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Reaction kinetics
Page 9
Questions (589)
True or false
1. The energy of a collision between atoms or molecules must be greater than the activation energy for bonds to be
3 answers
asked by
Josh
892 views
A first order reaction has an activation enery of 50.0kJ/mol. When a catalyst is added the activation energy of the catalyzed
2 answers
asked by
Darcy
885 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
1 answer
asked by
Sam
892 views
The first-order reaction, SO2Cl2 �¨ SO2 + Cl2, has a rate constant equal to 2.20 �~ 10-5 s-1 at 593 K. What percentage of the
2 answers
asked by
JOSEPH
856 views
The half-life of a reaction was found to be inversely dependent on the concentration of the starting material. Thus, we can say
3 answers
asked by
elvis
868 views
Consider the reaction A + X products. Two trials are performed at the same temperature and using the same reaction medium. The
2 answers
asked by
Alexis
832 views
Aspirin, C
9 H 8 O 4 , slowly decomposes at room temperature by reacting with water in the atmosphere to produce acetic acid, HC
2 answers
asked by
vikha
830 views
N2O5 dissolved in CCl4 decomposes to give N2O4 and O2. The reaction is first order with a half-life of 1234 seconds. How long
1 answer
asked by
sveta
839 views
The decomposition reaction, X → products, has rate constant k = 0.00707 mol L−1 s−1 at a particular temperature. How long
2 answers
asked by
jhope
841 views
The rate constant for a certain reaction is = 4.30×10−3 s^-1. If the initial reactant concentration was 0.400 M , what will
2 answers
asked by
Joanna
840 views
What is the overall order of reaction for the elementary system A+2B=products?
a)0 b)1 c)2 d)3 e)5 Can somebody explain this
2 answers
asked by
Bob
788 views
dinitrogen pentoxide n2o5 decomposes by a first-order decomposition in chloroform solvent to yield NO2 and O2. The rate constant
4 answers
asked by
Veronica
1,590 views
How can I rank these substrates from fastest to slowest reacting? In an SN2 reaction with NaI-Acetone? Based on theory alone?
ben
1 answer
asked by
helllp
1,102 views
A flask is charged with 0.124 mol of A and allowed to react to form B according to the reaction A(g) →B(g). The following data
1 answer
asked by
JES
1,106 views
A given reaction has an activation energy of 24.52 kJ/mol. At 25�C the half-life is 4 minutes. At what temperature will the
2 answers
asked by
Eddy
822 views
After 53.0 min, 14.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
1 answer
asked by
Shardai
810 views
Consider the following reaction:
CH3X + Y CH3Y + X At 25oC, the following two experiments were run, yielding the following
2 answers
asked by
Katie
809 views
Consider the following multistep reaction:
C+D-> <-CB (FAST) CD+D->CD2 (SLOW) CD2+D->CD3 (FAST) C+3D->CD3 (OVERALL) Based on the
1 answer
asked by
Candice
798 views
The rate constant of a first-order reaction is 4.25 x 10^-4 s^-1 at 350 Celsius. If the activation energy is 103 kJ/mol,
7 answers
asked by
santoki
778 views
The rate of a reaction A ---> B is expressed by the rate expression rate=k(A)2. If the molar concentration of A is tripled, the
2 answers
asked by
Marcus
773 views
A zero-order reaction has a constant rate of 3.20×10^−4 M/s. If after 35.0 seconds the concentration has dropped to
3 answers
asked by
D.Walker
759 views
why would the concentration of ascorbic acid decrease as the temperature rises? Also is there any reason that the concentration
2 answers
asked by
Aimee
717 views
In a kinetic study of the reaction
2NO(g) + O2 --> 2NO2(g) the following data were obtained fro the initial rates if disapperance
1 answer
asked by
Lauren
749 views
The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm . The
2 answers
asked by
Leslie
731 views
If a temperature increase from 19.0 degrees C to 36.0 degrees C triples the rate constant for a reaction, what is the value of
2 answers
asked by
kristen
713 views
The given reaction,
cyclopropane propene (isomerization), follows first-order kinetics. The half-live was found to be 4.57 min at
2 answers
asked by
bobjahng2
740 views
Which rate constant would result in the fastest reaction?
A. 1.3 × 10^3 L/mol · s B. 2.8 L/mol · s C. 9.5 × 10^-2 L/mol · s
2 answers
asked by
jameson
711 views
For the reaction: 2 N2O5 (g) → 4 NO2 (g) + O2 (g)
The experimental data for this reaction is : t = 0.0 s [N2O5] = 0.80 M [NO2]
2 answers
asked by
tuffy123
716 views
The following reaction was monitored as a function of time: AB--->A +B
A plot of 1/[AB] versus time yields a straight line with
3 answers
asked by
Ellen
730 views
The mechanism for NH2NO2=N2O+H2O occurs in three steps:
step 1: NH2NO2=NHNO2- + H+ (forward and reverse reactions are fast) step
2 answers
asked by
Anonymous
726 views
Hi,
I am stuck on this question and would appreciate some guidance. The question states " The value of Kw decreases as the
4 answers
asked by
Charlotte
725 views
Doing review for an exam and I can't find how to do this problem in my notes.
2 SO2 + 2 Cl2 -----> 2 SOCl2 + O2 from a previous
1 answer
asked by
energy diagram
713 views
Assuming reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter.
heat capacity =3.03J/g.c
1 answer
asked by
john
714 views
Butadiene can undergo the following reaction To form a dimer(two butadiene molecules hooked together). 2c4h8---->c8h12.
The half
2 answers
asked by
court
703 views
A 1.0-mL volume of 0.010 M H2SO3 is added to a mixture of 12 drops of 0.010 M HIO3, 8 drops of deionized water, and 1 drop of
1 answer
asked by
Anonymous
727 views
Draw a reaction profile (diagram of energy vs reaction coordinate) for a hypothetical reaction AB +C <=> A+BC in which the
3 answers
asked by
Crystal
708 views
heating cyclopropane (C3H6) converts it to propene (CH2=CHCH3). The rate law is first order in cyclopopane. If the rate constant
4 answers
asked by
Zoe
707 views
Need some help. have the A part of the question but do not know how to set B or C.
Butadiene (C4H6) reacts with itself to form a
2 answers
asked by
Anna
711 views
The rate constant for this first order reaction is 0.0470 s-1 at 400 C.
A TO Products After how many seconds will 11.0% of the
2 answers
asked by
Josh
681 views
A second order reaction has a rate constant of 8.7x10^-4/(M*s) at 30 degrees C. At 40 degrees C the rate constant is
1 answer
asked by
Lauren
695 views
1. The following data was collected for the reaction between hydrogen and nitrogen monoxide. The time
recorded corresponds to a
1 answer
asked by
Jason
676 views
The activation energy of a certain reaction is 34.9kJ/mol . At 23 ∘C , the rate constant is 0.0190s−1. At what temperature
4 answers
asked by
Kat
691 views
Which term best describes the measure of the increase in the concentration of a product per unit time?
activation energy,
1 answer
asked by
sue
696 views
A decomposition reaction if found to be first order with respect to the reactant. What is the relationship between the rate and
2 answers
asked by
Ben
675 views
I have to write the rate law for two elementary reaction equations
A ) 2a+b>c+d B ) X+Y>Z I'm pretty sure it's just k[ A ][ B ]
1 answer
asked by
Dan
642 views
The first order rate constant is 1.87 x 10^-3 min^-1 at 37°C for reaction of cisplatin. Suppose the concentration of cisplatin
2 answers
asked by
Veronica
656 views
The rate of a reaction A + 2B --> products is determined. When the concentration of A is 1.0 M, the rate of the reaction is 0.50
3 answers
asked by
Jessie
675 views
The equation A + 2 B = C + D describes an elementary reaction, which takes place in a single step. Thus, the rate law must be
a.
1 answer
asked by
bob
670 views
The decomposition of an aldehyde solution in carbon tetrachloride is a first order reaction with a rate constant of 1.20 x 10-3
4 answers
asked by
Dom
661 views
In 20 s, the concentration of NO2 decreases from 450 mM to 320 mM in the reaction
2 NO2 --> 2 NO + O2 (a) Determine the rate of
2 answers
asked by
lawerence
659 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