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Reaction kinetics
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Questions (589)
The activation energy for the reaction given below is 125 kJ/mol, and ΔE for the reaction is -216 kJ/mol.
NO2(g) + CO(g) NO(g) +
4 answers
asked by
joe
3,176 views
Consider the first order reaction A --> products where 25% of A disappears in 24 seconds. What is the half life of this
4 answers
asked by
omar
4,409 views
Consider the combustion of ethane:
2C2H6(g)+7O2(g)-->4CO2(g)+6H2O(g) If the ethane is burning at the rate of 0.7 mol/L × s, at
5 answers
asked by
Jack
6,043 views
1,Given That Ea For The Hydrolysis Of Sucrose Is 108x10^3 KJ/mol,compare The Rate Constant Of Ths Reaction at 37degree C,(T1)
5 answers
asked by
Samrawit Mefikere
1,476 views
The reaction
CH3- N≡C → CH3- C≡N is a first-order reaction. At 230.3°C, k = 6.29 x 10^-4 s^- 1. If [CH3 -N≡ is 1.00 x
5 answers
asked by
jes
6,591 views
Consider the elementary reactions and their rate constants.
A(g)+B(g)⟶C(g)+D(g) 𝑘𝑓=5.72×10−^2 s^−1
5 answers
asked by
Danya
2,725 views
The following reaction is first order, C2H6==> 2CH3. If the rate constant is equal to 5.5 x 10-4 s^-1 at 1000 K, how long will
9 answers
asked by
gaby
9,703 views
Cyclopropane (C3H6) reacts to form propene (C3H6) in the gas phase. The reaction is first order in cylclopropane and has a rate
4 answers
asked by
Bryan
4,827 views
The activation energy for a certain reaction is 113 KJ/mol. By what factor (how many times) will the rate constant increase when
4 answers
asked by
Anonymous
1,799 views
The rate constant for this first-order reaction is 0.320 s–1 at 400 °C.
A--> Products How long (in seconds) would it take for
5 answers
asked by
Katie
13,272 views
The rate constant for this first-order reaction is 0.0570 s–1 at 400 °C.
A-->Products After how many seconds will 14.0% of the
4 answers
asked by
k
4,666 views
The rate constant for this first‑order reaction is 0.340 s−1 at 400 ∘C.
A⟶products How long, in seconds, would it take
4 answers
asked by
jhensen Malave
3,454 views
The first order rate constant for the decomposition of N2O2 of 0°C is 5.2 × 10–6 min–1. If the energy of
activation is 6200
5 answers
asked by
Oloo Elisha Otieno
1,579 views
Variation of the rate constant with temperature for the first-order reaction
2N2O5(g) 2N2O5(g) + O2(g) Is given in the
5 answers
asked by
Paul
2,952 views
In the first 14.0 s of the reaction, 1.7×10−2 mol of O2 is produced in a reaction vessel with a volume of 0.340 L What is the
4 answers
asked by
mia
2,797 views
The half-life for the first-order conversion of A to B is 56.5 hours. How long does it take for the concentration of A to
4 answers
asked by
Kristen
1,699 views
In an experiment,excess 0.50moldm HCL was added to 10grams of granulated zinc in a beaker. How would the reaction rate be
4 answers
asked by
Oluchi
1,027 views
In aqueous solution, hypobromite ion, BrO-, reacts to produce bromate ion, BrO3 -, and bromide ion, Br-, according to the
5 answers
asked by
Jason
8,583 views
The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm . The
4 answers
asked by
Leslie
1,345 views
How does the activation energy of an uncatalyzed reaction compare with that of the catalyzed reaction?
4 answers
asked by
Gabby
3,282 views
The initial concentration of NH3 in the zero order reaction NH3→3H2+N2 is 0.0312 M. After 30.0 seconds, the concentration of
3 answers
asked by
Joseph
1,192 views
The reaction AB(aq)->A(g)+ B(g)is second order in AB and has a rate constant of 0.0282 M^{-1} s^{-1} at 25 Celsius. A reaction
5 answers
asked by
Yuni
1,955 views
After 56.0 min, 25.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
4 answers
asked by
Anonymous
3,791 views
A decomposition reaction has a rate constant of 0.0019 yr -1.
( a) What is the half-life of the reaction? ______ yr (b) How long
4 answers
asked by
Sam
3,172 views
The rate law for the reaction
2NO (g) + Cl2 (g) -> 2NOCl (g) is given by rate = k[NO][Cl2] A mechanism involving the following
5 answers
asked by
Christine
3,855 views
The data below is for the reaction sequence A ⟶ B ⟶ C ⟶ D.
Elementary step ΔrH/kJ mol−1 Ea/kJ mol−1 A ⟶ B 24 48 B
5 answers
asked by
kevin
867 views
The reaction BrO- + 3SO32- → Br- + 3SO42- : has the rate law, Rate = k[BrO-][SO32-]
a. What is the order of the reaction with
4 answers
asked by
karina
801 views
How can the overall order of a reaction be determined?
A. Add the exponents in an equilibrium constant expression. B. Add the
4 answers
asked by
Cortney
1,445 views
The oxidation of sulfur dioxide to sulfur trioxide is an important reaction. At 1000K, the value of Kc is 3.6 x 10^-3. What is
5 answers
asked by
Jenny
1,012 views
Consider the decomposition of NH3 (g).
2 NH3 (g) → N2 (g) + 3 H2 (g) The reaction is catalyzed on a surface of either tungsten
4 answers
asked by
anon
970 views
The initial concentration of a reactant in a first order reaction is 0.620 molar. What will be its concentration after 3
4 answers
asked by
Hannah
1,770 views
A chemist trying to synthesize a particular compound attempts two different synthesis reactions. The equilibrium constants for
3 answers
asked by
L.Bianchessi
2,990 views
Calculate the rate constant, k, for the reaction 2H2O2(l) --> 2H2O(l) + O2(g)
Using the rate, - 0.02 mol/L.min H2O2, and the
4 answers
asked by
Tamera
2,664 views
For the reaction HCO3- H+ + CO32-, ΔG° = +59.0 kJ/mol at 298.15 K. Find the value of K for the reaction
4 answers
asked by
yous
1,592 views
At a certain temperature the following data was collected for the reaction:
2 ICl + H2 🡪 I2 + 2HCl Initial Concentration
4 answers
asked by
Jose
731 views
The half-life for the first-order decomposition of is 1.3*10^-5.
N2O4--> 2NO2 If N2O4 is introduced into an evacuated flask at a
4 answers
asked by
Anonymous
2,706 views
If the initial rate of reaction is observed to increase by a factor of nine when the concentration of a reactant is tripled,
4 answers
asked by
Sarah
1,481 views
Determine the overall orders of the reactions to which the following rate laws apply:
a. rate = k[NO2]^2 b. rate = k c. rate =
4 answers
asked by
Sara
2,816 views
Many reaction involving heterogeneous catalysts are zeroth order, that is rate=k. An example is the decomposition of phosphine
4 answers
asked by
court
1,300 views
The following reaction is a single-step, bimolecular reaction:
CH3Br + NaOH ---> CH3OH + NaBr When the concentrations of CH3Br
4 answers
asked by
Bryan
2,022 views
if some volatile impurities in the crucible are not burned off in step 1 but are removed in step 4 is the reported percent mass
4 answers
asked by
Mary
1,965 views
Sulfuryl chloride, SO2Cl2, decomposes to SO2 and Cl2 according to the reaction
SO2Cl2(g) -> SO2(g) + Cl2(g) The reaction is first
6 answers
asked by
ssss
2,014 views
For the reaction
N2O4(g) ---> 2NO2(g) ,which of the following disturbances will cause an increase in NO2(g) concentration? 1. a
4 answers
asked by
please help
2,410 views
The oxidation of iodide ions by arsenic acid in acidic aqueous solution occurs according to the net reaction H3AsO4 + 3I – + 2
4 answers
asked by
Jenna
3,567 views
Which of the following rate constants corresponds to the reaction that converts reactants to products in the least amount of
4 answers
asked by
Ramon
1,117 views
the rate constant for a reaction at 30 degrees is found to be exactly twice the value at 20 degrees. calculate the activation
4 answers
asked by
ntsika
1,783 views
a concentration-time study of the gas phase reaction a 2A3 -> 3A2 produced the data in the table below.
Time (s) [A3] (M) [A2]
3 answers
asked by
CHANTEL
1,983 views
a concentration-time study of the gas phase reaction a 2A3 -> 3A2 produced the data in the table below.
time [A3] (M) [A2] (M) 0
3 answers
asked by
chantel
2,786 views
The rate law for the reaction NO + O2 > NO2 is R=k[NO][O2]. what will be the effect on the reaction rate if the partial pressure
6 answers
asked by
Anonymous
781 views
Understanding the high-temperature behavior of nitrogen oxides is essential for controlling pollution generated in automobile
4 answers
asked by
Kayla
2,262 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