A certain first-order reaction has a half-life of 60.0 minutes. How much time is required for this reaction to be 75% complete? 0.693 In [A] [A], kt k O 180 minutes None of these are correct 40 minutes 60 minutes. 120 minutes

A certain first-order reaction has a half-life of 60.0 minutes. How much time is required for this reaction to be 75% complete? 0.693 In [A] [A], kt k O 180 minutes None of these are correct 40 minutes 60 minutes. 120 minutes

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: A compound decomposes by a first-order process. If 13% of the compound decomposes in 60 minutes, the…

A: Given values- Time = 60 minutes Decomposition = 13%

Q: A first order reaction initially contains 2.55 × 10²⁰ molecules. If the reaction has a half-life of…

Q: how do i determine if the reaction 2HI(g) ---> H2(g) + I2(g) is first order or second order based on…

A: The order of reaction is to be determined.

Q: A first order reaction initially contains 3.10 × 10²⁰ molecules. If the reaction has a half-life of…

A: The half-life of the first-order reaction does not depend on the initial concentration of the…

Q: what will be the concentration after 45 seconds?

Q: For the following first order reaction, the rate constant is 0.0194. If [A]0 = 9.64, calculate [A]…

Q: In a first-order reaction, the half-life is 137 minutes. What is the rate constant? O 1.22 x 10-4…

A: The rate constant and half life of first order reaction is related as follows - Half-life = 0.693/k

Q: 2. What is the half-life for the reaction, A → products, assuming first-order kinetics if 75% of a…

A: Check the formula for first-order kinetics. Using that, find out the rate constant and then using…

Q: The decomposition reaction of A to B is a second-order reaction with a half-life of 7.93×102…

A: Second order reaction can be defined as chemical reactions wherein the sum of the exponents in the…

Q: The reaction A→ B+C is second order with respect to A. When [A]o = 0.475 M, the reaction is 48.7 %…

A: Given,The reaction:A B + CInitial concentration of A = 0.475 Mtime taken for the reaction to…

Q: A ---> B (first order) time (sec) [A]…

Q: A first-order reaction was found to have a half-life of 8 hours at a constant temperature. What

A: The half-life of a first-order reaction does not depend on the initial concentration of the…

Q: For the following second order reaction, the rate constant is 0.242 and the [A]0 = 5.88. Calculate…

Q: Time (s) 0.23 s¹ 0 0.17 S-¹ 6 12 18 The rate constant for this first order reaction is .... A → B…

A: Given: A ----> B Time(s) [A] (M) 0 1.76 6 0.88 12 0.44…

Q: The rate constant for the first-order reaction below is 0.0476 s–1. A→B If the reaction is begun…

A: For a first order reaction: k = 2.303/t log[A]o/[A] where, [A]o = initial concentration, [A] =…

Q: The elementary reaction 2NO2 (9) → 2NO(9) + O2(g) Part A is second order in NO2 and the rate…

A: Given [NO2]0 = 0.45 Mk = 1.17 M-1S-1

Q: A first order reaction initially contains 1.00 × 10²⁰ molecules. If the reaction has a half-life of…

A: Since we know that the relationship between the amount of reactant i.e [A] and time for a first…

Q: A first order reaction initially contains 2.65 × 10²⁰ molecules. If the reaction has a half-life of…

Q: In 30.0 minutes, a first order reaction is 25% complete. Calculate how long it will take for the…

Q: A first-order reaction has rate constant, k = 0.217 min-1. What is the half-life for the reaction?…

A: Given - - > k = 0.217 min-1 The reaction is of first order and the half life for the first…

Q: The reaction A → products is second order. If the initial concentration of A is 0.436 M and,…

A: see attachmentExplanation:Step 1: Step 2: Step 3: Step 4:

Q: Cesium-131 is the latest tool of nuclear medicine. It is used to treat malignant tumors by…

A: Given T1/2 = 9.7 days Initial concentration = 20 mg.

Q: first order reaction initially contains 4.80 × 10²⁰ molecules. If the reaction has a half-life of…

A: For a first order reaction: Half-life = 0.693/rate constantAt = Aoe-kt Ao = initial concentrationAt…

Q: A first order reaction initially contains 2.10 × 10²⁰ molecules. If the reaction has a half-life of…

A: The half-life of a reaction is defined as the time required for the reactant concentration to…

Q: A first order reaction initially contains 4.65 × 10²⁰ molecules. If the reaction has a half-life of…

Q: the half life of a first order reaction is 13 min if the initial concentration of reactant is 0.085…

Q: A first-order reaction is 45% complete at the end of 43 minutes. What is the length of the half-life…

A: If you have any help please let me know in comment box.

Q: A first order reaction initially contains 1.70 × 10²⁰ molecules. If the reaction has a half-life of…

A: The reaction is first order. Half-life of reaction = 20.0minutes For the first-order reaction, rate…

Q: Hydrogen iodide decomposes slowly to H2 and I2 at 600 K. The reaction is second order in HI, and the…

A: The decomposition of hydrogen iodide is a second-order reaction. The rate constant for the…

Q: For the following second order reaction, the rate constant is 0.0462. If [A]0 = 8.27, calculate [A]…

A: Given data is as follows: The equation for second order reaction for calculation of [A] is as…

Q: The decomposition of radioactive iodine is a first-order process with a half-life of 8 days. If the…

A: Half-life is the time required for the reaction to be half completed. It is denoted by t1/2 . For a…

Q: A first-order reaction (C D) has a half-life of 10 minutes. If the initial > concentration of C is…

A: Given data of questions = First order reaction half life =10 minutes Initial concentration ofCo…

Q: For the following second order reaction, the half-life is 39.8 and the [A]0 = 9.75. Calculate the…

A: The given chemical reaction is 2 A → 3 BThe half-life of the second order reaction is t1/2 = 39.8…

Q: For the following second order reaction, the rate constant is 0.752 1/M s and the [A]0 = 2.86 M.…

A: Given, Rate constant of the reaction is 0.752 (Msec)-1. Concentration of sample initially, [A]0 =…

Q: The half life for a first order reaction is 45 min. What is the rate constant in units of s?…

A: Reaction is of first order reaction kinetics. Half life time is 45 min We have to find rate…

Question

A certain first-order reaction has a half-life of 60.0 minutes.
How much time is required for this reaction to be 75% complete?
0.693
In
[A],
=kt
k
O 180 minutes
None of these are correct
40 minutes
60 minutes
120 minutes

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 with 4 images

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

Enrofloxacin is a drug used for dogs and cats to combat bacterial infections.A dog was given an intramuscular injection of enrofloxacin, and just after the injection, the initial concentration of the drug in the dog’s blood was 5.8Í10–6 M. If the enrofloxacin disappears in a first-order process with a half-life of 4.6 hours, how many hours will it take for the enrofloxacin concentration of drop to one-eighth (1/8th) of the initial concentration (i.e., 0.125[A]0)?
A first-order reaction has a rate constant of 4.38 × 10^-4 s-1 at a certain temperature. Calculate the half-life for this reaction in minutes.
A first order reaction initially contains 4.10 × 10²⁰ molecules. If the reaction has a half-life of 20.0 minutes, how many molecules remain unreacted after 80.0 minutes?
You have a second-order reaction for B which has an initial concentration of 30.00 moles in 15.00 L. If this process has a reaction constant k = 1.90x10-6 M-1s-1 What is the half-life of this reaction in second? In minutes? What is the concentration after the first half-life? What is the concentration after 5 half-lives? What is the concentration after 3.00x104 seconds? (hint: use the integrated rate equations!)
A particular second order reaction has a rate constant of 0.0345 M-1 min-1 and an initial concentration of 0.300 M. What is the half-life of this reaction? 4.35 min 12.0 min 20.1 min 96.6 min
A first-order reaction (A → B) has a half-life of 25 minutes. If the initial concentration of A is 0.80 M, what is the concentration of B after 50 minutes? О 0.20 М O 0.30 M O 0.60 M О0.40 М
Radioactive decay of 212Bi is observed to be a first-order process with a half-life (t½) of 4.00 days. It is noted that a 1.70 g sample of 212Bi decays over 12 days to leave only 0.213 g behind. What is the rate constant (k) for this process? a. 12.0 day–1 b. 0.250 day–1 c. 0.173 day–1 d. 5.77 day–1 e. none of these
A first order reaction initially contains 1.20 × 10²⁰ molecules. If the reaction has a half-life of 20.0 minutes, how many molecules remain unreacted after 80.0 minutes?
A reaction A+ B → C + D follows a pseudo-first-order kinetics when the amount of B is maintained as a constant. The half-life time for this reaction is 65.6 hours. If you start with 6.06 mg of A, how many mg of A will be remained after 43.3 hours?
The first-order reaction, SO2Cl2 SO2 + Cl2, has a rate constant equal to 2.20 × 10-5 s-1 at 593 K. What concentration of SO2Cl2 will remain after 32 minutes if the initial [SO2Cl2] is 0.450M?
A certain first-order reaction is 61 percent complete in 65 seconds. Calculate the rate constant for this reaction.
The following reaction is first-order. If the rate constant for the reaction is 5.52 x 10-4 s-1, how much time is needed for 90% of the reactant to decay? Group of answer choices 3.18 minutes 3.02 minutes 69.5 minutes 2.30 seconds