22.7b The rate constant for the first-order decomposition of a compound A in the reaction 2 A → P is k = 2.78 × 10−7 s −1 at 25°C. What is the half-life of A? What will be the pressure, initially 32.1 kPa, at (a) 10 s, (b) 10 min after initiation of the reaction?

22.7b The rate constant for the first-order decomposition of a compound A in the reaction 2 A → P is k = 2.78 × 10−7 s −1 at 25°C. What is the half-life of A? What will be the pressure, initially 32.1 kPa, at (a) 10 s, (b) 10 min after initiation of the reaction?

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter12: Kinetics

Section: Chapter Questions

Problem 19E: The rate constant for the radioactive decay of 14C is 1.21104 year-1. The products of the decay are...

See similar textbooks

Related questions

Q: The first-order radioactive decay of iodine-131 exhibits a rate constant of 0.138 d−1. What is the…

A: Like chemical reactions, nuclear reactions are type of chemical reaction only but here in place of…

Q: The decay of radioactive copper-64 follows first order kinetics with a half-life of 12.8 hours. a)…

Q: Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay…

A: Half-life of americium-241 is 432.2 years Therefore, time = 3×432.2 years = 1296.7 years

Q: 3. Calculate the activation energy for vacancy formation in aluminum, given that the equilibrium…

A: Activation energy = 12.01 KJ...final answer...

Q: What is the activation energy (in kJ/mol) for a reaction if increasing the temperature from 150. °C…

A: Correct option is -76.9 kJ/mol

Q: What is the half-life for the first-order decay of carbon-14? (C-"N+e) The rate constant for the…

Q: D. Calculate the activation energy (E_) for the reaction assuming that the frequency factor (A) 1.…

A: The answer is as follows:

Q: Radioactive decay is a classic first order process. The half-life of 14C is 5,730 yr's. What is the…

A: Given :- half-life of 14C = 5730 yr's reaction is first order To calculate :- rate constant (k)

Q: It was found that 60.4% of hydrogen peroxide degraded at 300 K in 75 minutes. Given that the…

Q: The radioisotope tritium decays with a first-order rate constant k of 0.056 year−1. What fraction…

Q: 63Ni decays by a first-order process via the emission of a beta particle. The 63Ni isotope has a…

Q: Radioactive decay is a first order process. If the half-life of 222Rn is 3.8 days, approximately how…

Q: In the nuclear industry, chlorune triflouride is used to prepare uranum hexaflouride, a volatle…

Q: 6) Radioactive substances decay by first-order kinetics. How many years would be required for a…

A: By using the formula for First order kinetics we can solve this problem.

Q: 32. 2H20(1) + 2B12(g). What is the reaction rate for the depletion of HBr relative to that of O2?…

A: First write the rate expression of this reaction or only for HBr and O2 and the see the rate…

Q: The reduction of bromate ions, BrO3–, by bromide ions in acidic solution has a rate law…

A: Given: Rate law: R = k [BrO3–][Br–][H+]2

Q: Iodic Table Environmental scientists calculating pollutant half-lives often define a transport rate…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

Q: What is the half-life for the first-order decay of carbon-14? (146C⟶147N+e−)(614C⟶714N+e−) The rate…

A: Rate constant for the decay (k) = 1.21×10-4 year-1

Q: 21-25. The decomposition of N₂O5 follows first-order kinetics based on the reaction below. 2N₂O5 (g)…

A: Given, 2N2O5(g) ➝ O2(g) + 4NO2(g) Decomposition of N2O5 follows first order kinetics. Rate constant…

Q: In the presence of excess thiocyanate ion, SCN, the following reaction is first order in…

A: (a) For the first order reaction half life is given as, t1/2 = 0.693/K where,…

Q: Manfred Eigen, a German physical chemist working dur- ing the 1970s and 1980s, earned a Nobel Prize…

A: Given - Rate of proton transfer from water molecule to ammonia = 2 x 105 S-1 Equilibrium constant Kb…

Q: 22 of 39 MISSED THIS? Read Section 15.4 (Pages 642 - 649) ; Watch KCV 15.4, IWE 15.4.The…

A: Part B Decomposition reaction of SO2Cl2 can be written as SO2Cl2 ------> SO2 + Cl2…

Q: What is the activation energy?

A: Let k1 and k2 are the rates constant at a given temperature. The given temperatures are 2.2˚C and…

Q: The rate of formation of D for the reaction 3A(g) + B(g) +2C(g) – D[g) + 2E(g) is k[A] [B]*. If the…

Q: cientists working in Lake Tohopekaliga calculating half-lives of pollutants called volatile organic…

A: Given: The half-life of the process = 13.0 days. The concentration of the pollutant = 0.640 M It is…

Q: The radioisotope ¹⁴C (half life = 5730 years) is used for carbon dating. What is the first order…

A: Rate of reaction- The concentration change of designated species (products or reactants) per unit…

Q: Under what conditions is the reaction most likely to be pseudo-first order?

A: Pseudo first-order reaction is the type of reaction that appears to be a second-order reaction but…

Q: Given the following data, determine the order of the reaction with respect to Cl,.

A: Let us consider Rate = K[NO]m[Cl2]n Here ,m is order with respect to NO And n is the order…

Q: Tjejadioactive djejay follows first-order rate law and for the radioisotope, Sr-90. its half-life…

A: Given, The radioactive decay follows first order rate law, The half life of radioisotope, Sr-90…

Q: The reaction 3A + 4B → products is first order in A and second order in B. What is the overall order…

A: The given reaction is as follows: 3A + 4B → Products Given data is as follows: The order of the…

Q: What is the integrated rate law for this decay process? The decay of radioactive copper-64 follows…

A: Given: The kinetics follow first-order. And the half-life = 12.8 hours.

Q: What is the difference between order of reaction and molecularity ?

A: Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change…

Q: 8. A nuclear stress test utilizes a gamma-emitting radioisotope such as thallium-201 to follow the…

A: Since the decay of thallium-201 follows first order reaction. Thus, it must follow the kinetics…

Q: 22. The half life of a first order reaction is 1 year. What is the time taken for 75% of the…

Q: Reaction 1:3 .30,31 ZHN SDS, NaHCO3 H20 Br 6. 7 4a

Q: The reaction 2A + 5B → products is first order in A and first order in B. What is the rate law for…

A: Rate Law Expression is a Experimental determined value ad as per question it is 1st with respect to…

Q: Enter your answer in the provided box. Enter your answer in scientific notation. A first-order…

A: UsIng first order kinetics we can find half life period. Given K = 0.00143 yr-1

Q: The decomposition of R has rate constants of 1.78 × at 25°C and 5.09 min 2 R(ag) → 3 P (aq) . What…

Q: Ammonium cyanate isomerizes to produce urea in aqueous conditions. NH,NCO(aq) → (NH,),CO(aq) The…

Q: Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay…

A: Given: Rate constant k = 0.011 day-1 Initial concentration = 1.00 mg

Q: 0.1 M of a material has a decomposition rate constant (k) of 2.46×105 M-1 s-1. What equation would…

A: Given, [A]o = 0.1 M K = 2.46 x 105 M-1 S-1 Formula used : t1/2 = 1/K [A]o

Q: The estimated half life for P—O bonds Is 1.3 x 10^5 a ( 1 a is the SI unit 1 annum for 1 year).…

A: Given: half-life for P—O bonds is 1.3 × 105 year The question is how long would a single strand of…

Q: The rate constant for the first-order decomposition of N20 is 3.40 s1. What is the half-life of the…

Q: For Questions 4 and 5, consider the following kinetic data for the decomposition of N204 into NO2.…

Q: the mechanism for the formation of potassium tris(oxalato)ferrate(III) trihydrate, K3[Fe(ox)3].3H2O…

A: Complex formation: Complex molecule consists of central metal ion which is adjacent to negatively…

Q: O3Ni decays by a first-order process via the emission of a beta particle. The 63NI isotope has a…

Q: The rate constant for the radioactive decay of 14C is 1.21 × 10-4 year-1. The products of the decay…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The rate constant for the radioactive decay of 14C is 1.21104 year-1. The products of the decay are nitrogen atoms and electrons (beta particles): C614N714+e rate =k[C614] What is the instantaneous rate of production of N atoms in a sample with a carbon-14 content of 6.5109M?
22.2b The rate of consumption of B in the reaction A + 3 B → C + 2 D is 1.0 mol dm−3 s −1 . State the reaction rate, and the rates of formation or consumption of A, C, and D.
0.1 M of a material has a decomposition rate constant (k) of 2.46×105 M-1 s-1. What equation would you use to calculate the half-life of decomposition?
22.4b The rate law for the reaction in Exercise 22.2b was reported as d[C]/dt = k[A][B][C]−1 . Express the rate law in terms of the reaction rate; what are the units for k in each case?
The half-life period of two samples are 0.1 and 0.4 seconds. Their initialConcentrations are 200 and 50 mol L -1 respectively. What is the order of reaction?
What is the half life for the first order decay of phosphorus-32? The rate constant for the decay is 4.85x10-2 day-1
Americium-241 is used in smoke detectors. It has a first order rate constant for radioactive decay of k = 1.6*10-3 yr-1. By contrast, iodine-125, which is used to test for thyroid functioning, has a rate constant for radioactive decay of k = 0.011 day-1. How much of a 1.00 mg sample of americium-241 remains after 3 half-lives?
The first-order radioactive decay of iodine-131 exhibits a rate constant of 0.138 d−1. What is the half-life for this decay?
Given the following data, determine the order of the reaction with respect to Cl2.
Chemistry A young adult (60 kg body weight) drinks two beers of 12 oz. each, over a period of 10 minutes. Assuming instantaneous dilution of alcohol in the total body water after finishing the beers, (Alcohol content in beer is 6 %; density of alcohol is 0.9 g /mL.; 1 oz. = 30 mL.; 80% proof = 40% v/v alcohol; elimination rate is about 10 mL/hour (zero order) (b) one hour after drinking the beers. Assuming that the plasma level of 100 mg /dL is the index of intoxication, was legally drunk this person?
If a reaction has a rate constant of 3.7 x 10-3 s-1 at 25oC, and an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?
At 25 °C the rate constant for the decomposition reaction of nitrogen oxide (V) into nitrogen oxide (IV) and oxygen is 6.65x10⁻ 4 s⁻ 1. How long will it take for half of the said nitrogen oxide (V) if the kinetics of the reaction is first order?