Answered: Suppose you start a chemical reaction…

Suppose you start a chemical reaction with 23 moles of hydrogen peroxide, and that after 5 minutes only 4 moles remain. Assuming the reaction decays exponentially, what is its half-life?

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter12: Chemical Kinetics

Section: Chapter Questions

Problem 60E: A possible mechanism for the decomposition of hydrogen peroxide is H2O22OHH2O2+OHH2O+HO2HO2+OHH2O+O2...

See similar textbooks

Related questions

Q: The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The…

A: Answer : Since radioactivity follows first order kinetics . Given : Half life = 14.3 days . Initial…

Q: Strontium-90 is one of the radioisotopes released in the Chernobyl nuclear plant accident. The…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: The radioactive isotope of lead , Pb-209, decays at a rate proportional to the amount present at…

A: Given information: Half-life = 3.3 hours Amount decayed = 90%

Q: The isotope 226Ra has a half-life for the radioactive decay of 1600 years. How long will it take the…

Q: Strontium-90 is one of the radioisotopes released in the Chernobyl nuclear plant accident. The…

Q: The half-life of the radioactive isotope uranium-234 is 2.47 × 10° years. How long will it take for…

A: We have given that Half life of Uranium-234 = t1/2 = 2.47×105 years [N]0 = 72.4 μg [N]t = 9.05 μg…

Q: Carbon-14, a naturally occurring unstable isotope of carbon, has a half-life of 5,730 years. In a…

A: Given: Half-life = 5730 years. Initial concentration of carbon-14 isotope = 1.5 ppt And time passed…

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 x 10 years. Suppose…

A: Given: The half-life of the radioactive decay of carbon-14 to nitrogen-14 = 5.73×103 years There is…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10’ years. Suppose…

A: Given : Half life of potassium-40 = 1.26 X 109 years. Moles of argon-40 = 0.543 mmol. And moles of…

Q: The half-life of the radioactive isotope radon-222 is 3.82 days. How long will it take for the mass…

A: Recall the following expression to calculate required time of radon-222 to decay from 93.2…

Q: The half-life for gallium-67, a radioisotope, is 78.25 hours. How much of a 56.7 sample of…

A: Given datas ; t1/2 = 78.25 hrs. [A]0 = 56.7 mg [A]t = ? t = 359 hrs. t/t1/2 = 359 hrs / 78.25…

Q: What is the half-life, in seconds,

A: A second order reaction is the reaction where the rate of the reaction depends upon both the…

Q: Radioactive phosphorus-32 decays to form sulfur-32 by emission of a β particle. Estimating the…

A: The radioactive phosphorus-32 decays to form sulfur-32 by emission of a β particle. The half-life of…

Q: The half-life of iodine-131 isotope, used in medicine, is 8.04 days. If 150 g of iodine is sent to a…

Q: If a quantity decreases by a factor of 8 every 30 years, what is its half-life?

Q: Analysis of argon-40 in a rock sample using a mass spectrometer was performed. It was found out that…

A: The nuclear reaction for the decay of K-40 to Ar-40 is: K1940 → A1840r + β+10 Given the half-life of…

Q: Iron-59 is a radioisotope used to study iron metabolism in the spleen. It has a half-life of 44.5…

Q: Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is…

A: Given-> Half life (t1/2) = 28.1 year Initial amount = 4.00 gm Final amount = 0.100 gm

Q: Another form of radiometric dating is potassium-argon dating, which tracks the ratio of Ar-40 to…

A: Any reaction following "first-order reaction", that reactions rate always relies over single…

Q: Radioactive material is known to decay at a rate proportional to the amount present. Initially there…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: The isotope strontium-90 is produced during testing of nuclear weapons. If 100.0 mg of strontium-90…

A: Given Initial Amount of Sr - 90 (A)o = 100 mg Half life time ( t1/2 ) = 29 years Time ( t ) =…

Q: Consider 250g of iodine which decomposes at a rate proportional to the amount present. Around 150g…

A: Answer :- 1) Proportionality constant (k) of the decomposition reaction of iodine = 0.08665 days-1.…

Q: If we start with 2.000 g of strontium-90, 1.906 g will remain after 2.00 years. (a) What is…

A: We know that, →Radioactivity phenomena follow first owen kineticsso, Rate=K A1 K→Rate constant By…

Q: Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is…

A: Given : Initial amount of strontium isotope = 1.00 g Final amount of strontium isotope = 0.200 g And…

Q: .Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is…

Q: The half-life of plutonium-239 is 24,110 years. If an original sample is 100. grams, how much…

Q: Consider 250g of iodine which decomposes at a rate proportional to the amount present. Around 150g…

A: According to question, Initial amount of iodine = 250 g

Q: If the first-order half-life of tritium (³H) is 12.26 years, what amount of time is necessary for it…

A: Given data : half-life of tritium (³H) is 12.26 years Let the initial amount be x. Also given that,…

Q: Uranium-238 forms thorium-234 after radioactive decay and has a half-life of 4.5 x 10^9 years. How…

Q: Tritium is a radioactive hydrogen isotope that undergoes beta decay. a) Write a balanced nuclear…

Q: An isotope of thorium, 227Th, has a half-life of 18.4 days. How long will it take for 83% of the…

A: The correct answer of the question is given below

Q: The half-life of plutonium-239 is 24,100 years. How long will it take for a 100 g sample of…

A: Given, Half life, t1/2 = 24100 years Initial amount = 100 g Reduced amount = 25 g Formula Used…

Q: Strontium-90 is one of the radioisotopes released in the Chernobyl nuclear plant accident. The…

Q: Strontium-90 is a waste product from nuclear reactors. As a consequence of fallout from atmospheric…

A: (a) If A0 of strontium is present initially, it becomes ½ A0 after first half-life. Determine the…

Q: what is the half-life of plutonium-239 if it takes 14 098 years for 33% of a given sample to decay

A: Radioactive decay follows the first-order kinetics. According to the first-order kinetics, the decay…

Q: Strontium-90 (Sr-90), a radioactive isotope of strontium, is present in the fallout resulting from…

A: Given: Half-life = 27 year Initial amount of Sr-90 = No Final amount of Sr-90 = N = 8No

Q: Radium decomposes at a rate proportional to the present amount. The half life of Radium is 1600…

Q: Carbon-11 is a radioactive isotope of carbon. Its half-life is 20 minutes. What fraction of the…

A: Half life t ½ = 20 minutesDecay constant, k = 0.693/ t ½ = 0.693/20 min = 0.03465 min-1

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10° years. Suppose…

Q: Nuclear Engineering: If radium has a half-life of 1600 years, how much of 100 mg will remain after…

A: The question is based on the concept of chemical kinetics. We have to determine how much of the…

Q: The half-life of radioactive cobalt is 5.27 years. Suppose that a nuclear accident has left the…

A: Given the half-life of cobalt=5.27 years.

Q: Use the References to access important values if needed for this question. The half-life of the…

A: Introduction: Radioactive isotopes can be defined as atoms that contains an unstable combination of…

Q: Uranium-238 decays to form thorium-234 with a half-life of 4.5x109 years. What is the decay constant…

Q: The half life for the isotope C11 is 20.38 minutes. How long will it take for 70% of a sample to…

Q: The rate constant for the decay of a radioactive element is 2.09 x 10 3 day. What is the half-life…

A: All the radioactive decay is of first order and the given information is as follows as; Rate…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10° years. Suppose…

A: Given: The half-life for the radioactive decay of potassium-40 to argon-40 = 1.26×109 years The rock…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10’ years. Suppose…

A: All radioactive decay processes always obey "first-order kinetics". The half-life for any decay…

Q: Fallout from nuclear weapons tests in the atmosphere is mainly 90Sr and 137Cs , which have 28.6- and…

Question

Suppose you start a chemical reaction with 23 moles of
hydrogen peroxide, and that after 5 minutes only 4 moles
remain.
Assuming the reaction decays exponentially, what is its half-life?

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 : Solution :

VIEW

Step 2 : Solution :+

VIEW

Trending now

This is a popular solution!

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

Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected heart problems. The half-lives are 6 h and 73 h, respectively. What percent of the radioactivity would remain for each of the isotopes after 2 days (48 h)?
Iodine-131 is used to treat tumors in the thyroid. Its decomposition is first-order with a half-life of 8.1 days. If a patient is given a sample containing 5.00 mg of I-131, how long will it take for 32% of the isotope to remain in her system?
The half-life of tritium, 3H, is 12.26 years. Tritium is the radioactive isotope of hydrogen. (a) What is the rate constant for the radioactive decay of tritium, in y1 and s1? (b) What percentage of the original tritium is left after 61.3 years?
If the activation energy of a reaction is 9.13 kJ, then what is the percent increase in the rate constant when the temperature is increased from 27C to 69C?
The hypothetical reaction QR+Xproductswas monitored at 27C as a function of time. The following plots are obtained: (a) Write the rate expression for the reaction. (b) What is the rate constant if the rate of the reaction is 0.29 mol/L min when [ QR ]=[ X ]=1.000M? (c) What is the half-life for the consumption of QR when [ QR ]=0.0866M? (d) If the initial concentration of [ X ]=5.00M, what is [ X ] after 4.7 min?
Technetium-99 is often used for assessing heart, liver, and lung damage because certain technetium compounds are absorbed by damaged tissues. It has a half-life of 6.0 h. Calculate the rate constant for the decay of T4399c.
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?
A substance undergoes first-order decomposition. After 40.0 min at 500°C, only 12.5% of the original sample remains. YYliat is the half-life of the decomposition? If the original sample weighed 243 g, how much would remain after 2.00 h?
A possible mechanism for the decomposition of hydrogen peroxide is H2O22OHH2O2+OHH2O+HO2HO2+OHH2O+O2 Using your results from Exercise 37, specify which step is the rate-determining step. What is the overall balanced equation for the reaction?
11.44 A possible reaction for the degradation of the pesticide DDT to a less harmful compound was simulated in the laboratory. The reaction was found to be first order, with k = 4.0 X 10_H s"' at 25°C. What is the half-life for the degradation of DDT in this experiment, in years?
Bacteria cause milk to go sour by generating lactic acid. Devise an experiment that could measure the activation energy for the production of lactic acid by bacteria in milk. Describe how your experiment will provide the information you need to determine this value. What assumptions must be made about this reaction?
When formic acid is heated, it decomposes to hydrogen and carbon dioxide in a first-order decay. HCOOH(g) CO2(g) + H2(g) At 550 C, the half-life of formic acid is 24.5 minutes. (a) What is the rate constant, and what are its units? (b) How many seconds are needed for formic acid, initially 0.15 M, to decrease to 0.015 M?