The decomposition of ethane, C2H6, to methyl radicals has a rate constant of 5.36 x 104 per second at 700 °C. Calculate the half-life of ethane in minutes. Hint: Look at the unit of k to determine the order. O0.0465 O21.5 03730 O1.29 x 103

The decomposition of ethane, C2H6, to methyl radicals has a rate constant of 5.36 x 104 per second at 700 °C. Calculate the half-life of ethane in minutes. Hint: Look at the unit of k to determine the order. O0.0465 O21.5 03730 O1.29 x 103

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: 1. The decomposition of Bro- is studied by measuring the concentration of BrO over time, the data…

A: Given, Reaction is of second order. So, first we have to calculate value of rate Constant from…

Q: At a certain temperature the rate of this reaction is second order in NH 3 with a rate constant of…

A: The objective of this question is to calculate the concentration of NH3 in the vessel after 0.460…

Q: Radioactive substances decay by first-order kinetics. How many days would be required for a sample…

Q: A substance decomposes with a rate constant of 9.05 × 10-ª s-1. How long does it take for 19.0% of…

A: Given: First order rate constant k = 9.05×10-4 s-1. Let Initial concentration = 100 M Final…

Q: Scientists working in Lake Istokpoga calculating half-lives of pollutants called volatile organic…

A: The half life (t1/2) of zero order reaction is given by the formula t1/2 = [R]o / 2K [R]o = Initial…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

Q: The rate constant for the decay of a radioactive element is 2.03 × 10⁻³ day⁻¹. What is the half-life…

Q: A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 15.0% of…

A: Rate constant is 9.05×10-4 s-1 Let consider Initial concentration = 100 M Final concentration = 100…

Q: A biochemist studying breakdown of the insecticide DDT finds that it decomposes by a first-order…

Q: A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 12.5% of…

A: The speed of the reaction can used to measure the rate of the reaction.The rate of the reaction is…

Q: 1311, used to treat thyroid cancer, has a first order half-life of 6.99 × 105 s. How long does it…

A: Radioactive decay follows first-order kinetics. The decay constant (λ) and half-life of a substance…

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

Q: a reactant decomposes with a half life of 143 s when its initial concentration is 0.328M. when the…

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

Q: A reactant decomposes with a half-life of 47.9 s when its initial concentration is 0.325 M. When the…

A: Given: When the initial concentration is 0.325 M, the half-life = 47.9 s When the initial…

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: The half-life of the radioactive isotope phosphorus-32 is 14.3 days. How many days does it take for…

A: The equation for 1st order decay is:

Q: Consider the reaction : 2H,02(aq) – 2H,0(1) + O2(g) This reaction is first order, with a half life…

A: for first order Rate = k [H2O2]

Q: 19. The rate constant for the radioactive decay of 14C is 1.21 × 10¬4 year¯. The products of the…

A: Given : Rate = k[614C] Carbon - 14 content = 6.5 x 10-9 M Rate constant = 1.21 x 10-4 year-1

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: The half-life of a reaction is the time taken for the reactant to reduce to half its initial value…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Half-life of X = 15 minHalf-life of Y = 1.00 h = 60 minThe partial pressure of X is 2 times greater…

Q: Consider the radioisotope ⁹³Mo (half life = 4.00 × 10³ years). What is the first order rate constant…

A: For first order reaction: Rate constant, K = 0.693/t1/2 t1/2 = Half-life

Q: A new radioactive species is found that can be used to date old artifacts. It has a half-life of…

A: The problem is about a first order reaction, which is a type of reaction where the rate of reaction…

Q: A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 18.5% of…

A: When 18.5% of the substance decomposed then amount of substance left at time, t is [R] = [R]0 -…

Q: The rate constant for the decay of a radioactive element is 1.76 × 10⁻³ day⁻¹. What is the half-life…

A: Rate constant = 1.76×10^-3 day^-1 Decay of radioactive element is first order reaction

Q: A reaction was found to have a rate constant of 8.50 × 10–5 M s–1 and has a half-life of 2.5 hours.…

Q: • The decomposition of SO,Cl, is first order in S0,Cl, and it has a half-life of 4.1 hours. If you…

A: Given data contains, Half-life is 4.1 hours. Initial concentration of SO2Cl2 is 1.6×10-3 mol. Final…

Q: What is the half-life of this element in days?

A: Given :- rate constant (k) = 5.29 × 10-3 day-1 To calculate :- Half life Radioactive decay…

Q: Consider the reaction A + 2B àC + The rate law for this reaction is first order in A and zeroth…

A: Half-life of a reaction is that the time required for concentration of reaction to gets decrease to…

Q: The activation energy of a reaction is 56.5 kJ/mol and the frequency factor is 1.5×10^11/s.…

Q: A first order decomposition reaction has a half-life of 60.1 yr. What percentage of the original…

Q: HW - CH 17 Phosphine, PH3(8) decomposes according to the equation 4 PH3(g) → P4(8) + 6 H2(g). The…

Q: Consider the following mechanism for the reaction between nitric oxide and ozone: 03(g) + NO(g) O(g)…

A: Answer:Species that form during a chemical reaction and get consumed during the chemical reaction…

Q: What is the half-life (seconds) of a reaction that has a rate constant, k = 0.0871 M-1 s-1 where the…

Q: Scientists working in Lake Kissimmee calculating half-lives of pollutants called volatile organic…

Q: cer, has a first order nail-life of 6.77 x 10 S. HOW used to treat thyroid long does it take for the…

A: Half life of first order reaction is independent of concentration

Q: A reactant decomposes with a half-life of 179 s when its initial concentration is 0.3140 M. When the…

A: For the same reactant, the half life remains constant with decrease in concentration of the…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Given:Half-life of X = 105 minHalf-life of Y = 1.25 hrThe partial pressure of X is 5 times greater…

Question

The decomposition of ethane, C2H6, to methyl radicals has a rate constant
of 5.36 x 10 per second at 700 °C. Calculate the half-life of ethane in
minutes. Hint: Look at the unit of k to determine the order.
O0.0465
21.5
03730
01.29 x 103

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 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

1. The first order rate constant for the decomposition of N205, according to the reaction: 2 N2O5(g) -> 4 NO2(g) + O2(g) at 70°C is 6.82 x 10³ s'. Suppose we start with 0.0250 moles of N,O5(g) in a volume of 2.0L. particle a) How many moles of N2O, will remain after 5.0 min? b) How c) What is the half-life of N,O5 at 70°C many minutes will it take for the quantity of N2O5 to drop to 0.010 moles?
The rate constant for the decay of a radioactive element is 6.70 × 10⁻³ day⁻¹. What is the half-life of this element in days?
NO + 0; > NO2 + O2, k=3.22×1017 cm' s' and [NO]=1.477×10" molecules cm³, what is the half-life of O3 due to reaction with NO? Express your results in minutes.
In order to determine the rate law for the decomposition of hydrogen peroxide, a student collected pressure versus time measurements as the hydrogen peroxide decomposed with the addition of KI. The following graph was produced at 21.3 °C. What is the rate of formation of O2? Pressure vs. Time 200 180 y = 1.6212x - 10.899 R? = 0.919 160 140 120 100 80 60 40 20 20 40 60 80 100 120 Time (s) mol L XS A. 1.62 mol Lxs В. 1.13 х 104 mol L Xs C. 6.74 x10-2 mol L Xs D. 8.83 x 10-5 Pressure (torr)
Radioactive materials are often used in biological studies. A radiation biologist studies the rate of decomposition of a certain substance and obtains the following data: Time (days) 0 4.0 8.0 12.0 16.0 Mass (μg) 26.20 18.13 12.55 8.69 6.01 Determine the rate constant in units of days-1.
Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive isotope 14C present in the object. The amount of isotope decreases in a first-order process. If 10.9% of the original amount of 14C is present in a wooden tool at the time of analysis, what is the age of the tool? The half-life of 14C is 5,730 yr. Give your answer in scientific notation.
A given compound decomposes with a half-life of 8.0 s and the half-life is independent of the initial concentration. How long does it take for the concentration to decrease to one-ninth of its initial value? 64 s 25 s 32 s 72 s O 00 O
The decomposition of NO2 has a rate constant of 0.276 M−1s−1. How many moles of NO2 decomposes in 4.00 s if the initial concentration of NO2 (1.00 L volume) is 2.18 M?
The rate constant for the decay of a radioactive element is 4.18 × 10⁻³ day⁻¹. What is the half-life of this element in days?
The rate constant for the decay of a radioactive element is 1.95 × 10⁻³ day⁻¹. What is the half-life of this element in days?
Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly. When exposed to ultraviolet light the half-life of X is 15. min, while that of Y is 1.75 h. Suppose an atmospheric scientist studying these decompositions fills a transparent 10.0 L flask with X and Y and exposes the flask to UV light. Initially, the partial pressure of X is 50.0% greater than the partial pressure of Y. As both gases decompose, will the partial pressure of X ever fall below the partial pressure of Y? If you said yes, calculate the time it takes the partial pressure of X to fall below the partial pressure of Y. Round your answer to 2 significant digits. 0 yes no min x10 X 010 Ś 00c 18 Ar DI
Scientists working in Lake Apoka calculating half-lives of pollutants called volatile organic compounds, often measure a transport rate constant. In one study conducted in the fall of 2010, researchers from the University of Florida found the half-life of a particular pollutant in the lake when the concentration measured 0.835 M was 37.3 days. Assuming that the process is first order, calculate the rate constant of this process.