The radioactive isotope Cr decays by beta emission.5624If the mass of a sample of chromium-56 decays from 85.8 micrograms to 21.5 micrograms in 11.8 minutes, what is thehalf-life of chromium-56?Half-life =minutesSubmit AnswerRetry Entire Group2 more group attempts remaining The half-life of the radioactive isotope chromium-51 is 27.7 days.How long will it take for the mass of a sample of chromium-51 to decay from 53.0 micrograms to 13.3 micrograms?daysSubmit AnswerRetry Entire Group2 more group attempts remaining

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

The radioactive isotope Cr decays by beta emission. 56 24 If the mass of a sample of chromium-56 decays from 85.8 micrograms to 21.5 microgirams in 11.8 minutes, what is the half-life of chromium-56? Half-life = minutes

The radioactive isotope Cr decays by beta emission. 56 24 If the mass of a sample of chromium-56 decays from 85.8 micrograms to 21.5 microgirams in 11.8 minutes, what is the half-life of chromium-56? Half-life = 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: Use the References to access important values if needed for this question. The radioactive isotope…

A: To find half life.

Q: P-32 is an unstable isotope of phosphorus that has a half-life of 14.29 days. Atoms of P-32undergo…

Q: nuclide 22086X decays to a new nuclide Y by emission of two alpha particles and two beta particles.…

A: In alpha decay atomic mass decreased by 4 while atomic number decreased by 2 ,it is also known as…

Q: A radioactive isotope has a half life of 82.6 minutes. How long will it take for the radiation from…

Q: If two grams of a radioactive isotope has a half-life of twenty hours, the half-life of one gram of…

A: We will use first order intergrated rate equations and half life to answer this question.

Q: Complete the table for the radioactive isotope. Half-life Initial Amount After Isotope (years) |…

Q: Barium-142 is an beta emitter with a half-life of 11.0 min. If we start with 2.500 g of 142Ba, what…

A: The number of half-lives (n) can be calculated as

Q: A 116.8 ng sample of an unknown radioactive substance was placed in storage and its mass measured…

A: Given- Initial amount=116.8ng Final amount=14.60ng Time=47days

Q: A radioactive sample has a half-life of 3.0 min. What fraction of the sample is left after 12 min? O…

Q: 1. Complete the equations for each of the following nuclear decay processes. 210 Po → 20 Pb + ? Th→…

A: For this type of nuclear reaction we complete the equation by determine the missing atomic number…

Q: If a rock contained 12.0 g of ⁴⁰K when the earth was formed 4.54 billion years ago and the half-life…

A: Given information is as follows; Initial mass of ⁴⁰K in the rock A0 = 12.0 g Final mass of ⁴⁰K in…

Q: A radioactive isotope has a half-life of 12.0 seconds. How much of a 100 gram sample is left after…

A: Given Half life of radioactive isotope ( t1/2 ) = 12 second Initial Mass of sample ( A )0 = 100…

Q: A moon rock collected by a U.S. Apollo mission is estimated to be 3.70 billion years old by…

A: Since this is a first order decay The rate constant with half life is given by…

Q: The radioactive isotope 1 Pa decays by beta emission. If the mass of a sample of protactinium-234…

A: The question is based on the concept of nuclear chemistry. we have to calculate the half life of the…

Q: The half-life of Radium-226 is 1600 years. If 30 grams are left after 8,030 years, how many grams…

A: Radioactive decay follows first order kinetics. k = 0.693/t0.5 Or, k = 0.693/1600 year^-1 =…

Q: Bi-191 has a half-life of only about 12 seconds. A large radioactive sample contains only 6.2 x 109…

A: Half life of Bi-191 = 12 sNumber of atoms of Bi-191 = 6.2 x 109 atomsNumber of moles of Bi-191 = ?…

Q: What particle is emitted if Cobalt-59 decays to Iron-59? positron neutron beta particle alpha…

A: In a beta emission, the neutron is transformed into a proton, electron, and anti neutron. It…

Q: Iron-59 has a half-life of 45 days. If 168 g of a radioactive iron (59Fe) is received in the lab…

A: We know radioactive decay is first order reaction so the half-life of a first-order reaction is-…

Q: The half life of Radium-226 is 1590 years. If a sample contains 500 mg, how many mg will remain…

A: given :- initial amount of sample = 500 mg half life = 1590 years To calculate :- amount of…

Q: You are studying a sample of granite that is about 2.1 billion years old. You know it contains some…

A: Here granite containing uranium -235 is formed 2.1 billion years old. We have to determine the…

Q: The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.0 g remain. What is the original…

Q: If the half life of a radioactive isotope is 3 minutes, how much of an 8 Ci sample would remain…

Q: a 45.91 mg sample of a pure radioisotope has a half-life of 52 days, what will be the mass of the…

A: Given 45.91 mg sample of a pure radioisotope has a half-life of 52 day mass of the original…

Q: At the beginning of an experiment, a scientist has 244 grams of radioactive goo. After 105 minutes,…

Q: [References) A rock containing 8 mg of plutonium-239 per kg of rock is found in a glacier. The…

A: Radioactive decay, also known as radioactive disintegration, is when an unstable nucleus loses its…

Q: A radioactive isotope has a half-life of 41.7 minutes. how long will it take for the radiation from…

Q: A 26.00-g sample of water containing tritium, 31H, emits1.50 x 103 beta particles per second.…

A: In radioactive decay, radioactive atom's nuclei (unstable) eject energy as well as charged particles…

Q: An unknown radioactive substance has a half-life of 3.20 hours. If 20.8 g of the substance is…

Q: A radioactive isotope has a half-life of 24.5 minutes. how long will it take for the radiation from…

Q: The radioactive nuclide ??2755 has a half-life of 17.5 hours. What mass of ??2755 remains from a…

Q: A nuclear powerplant immediately emits 48.01 g of tritium, given its half life of 12.3 yrs.…

A: All natural and artificial radioactive decays follows first order kinetics. The half life of first…

Q: A radioactive isotope has a half life of 16.9 minutes. How long will it take for the radiation from…

Q: An unknown radioactive substance is currently decaying. Initially, the sample contained 16.1g of the…

Q: Certain radioactive isotope has a half-life of 3.9 minutes. If we initially have 7168 grams of this…

A: According to the question, we have: Half life of radioactive isotope = 3.9 minutes. Initial mass =…

Q: alf-life of a radioactive substance is 3.8 hrs. After how many hours 30% of its original value…

Q: alues if needed for this question. grams in 1.80 seconds, what is the half-life of magnesium-20?

A: In this question we want to calculate the half life. Half life is a time where Concentration of…

Q: Carbon-14 has a half-life of 5730 yr. A living organism has an activity of 15.2 counts per minute…

Q: 32p is a radioactive isotope with a half-life of 14.3 days. If you currently have 32.7 g of 32P, how…

Q: A radioactive isotope has a half life of 60.2 minutes.How long will it take for radiation from a 325…

A: The radioactive decay of an isotope follows a first-order reaction, The integrated rate law for a…

Q: What kind of nuclear radiation is this? 65 65 0 952 Ky → 9³L + e 32 33 -1

A: Here we are required to find the kind of nuclear radiation .

Q: The half-life of Pa-234 is 6.75 hours. If a sample of Pa-234 contains 12.0 g, how much will remain…

Question

The radioactive isotope Cr decays by beta emission.
56
24
If the mass of a sample of chromium-56 decays from 85.8 micrograms to 21.5 micrograms in 11.8 minutes, what is the
half-life of chromium-56?
Half-life =
minutes
Submit Answer
Retry Entire Group
2 more group attempts remaining

The half-life of the radioactive isotope chromium-51 is 27.7 days.
How long will it take for the mass of a sample of chromium-51 to decay from 53.0 micrograms to 13.3 micrograms?
days
Submit Answer
Retry Entire Group
2 more group attempts remaining

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

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 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

How many half-lives does it take a 10.0 gram sample of 12353I to drop to0.625 grams? What length of time is this? (The half-life of 12353I is 13.1 hours.)
If the half-life of a radioactive substance is 4 days how much material will remain after 16 days if the initial mass is 100 g? O 6.25 g O 3.125 g O 12.5 g O 25 g
The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.8 g remain. What is the original mass of the Cs-131 sample in grams?
Enter your answer in the provided box. A rock sample originally contains 3.21 mg of 238U. How much 206Pb will be in the rock sample when it is 6.2 × 10° years old? The half-life of uranium-238 is 4.51 × 10° years. mg
65 grams of a radioactive sample with a half-life of 6,000 years is allowed to decay for 75,000 years. How much of the sample is still radioactive?
All food consumed by humans contains a trace amount of naturally occurring, radioactive 14C. If this isotope decays by beta emission what new element is formed? a) 168O b) 147N c) 126C d) 115B
24g of an unknown radioactive substance decays to 1.5g after 180 seconds. What is the half-life of this substance?
Technetium-99 which has a half life of 6 hours is a useful isotope in diagnostic tests. If a patient was injected with 20.0 mg of Technetium-99, calculate the mass in mg that will be left after 1 week.
If the half-life of a radioactive isotope is 3.5 minutes, how many grams of a 200-gram sample would be left after 24.5 minutes?
32 P is a radioactive isotope with a half-life of 14.3 days. If you currently have 41.9 g of P, how much 3P was present 7.00 days ago?
A moon rock collected by a U.S. Apollo mission is estimated to be 4.10 billion years old by uranium/lead dating. Assuming that the rock did not contain any lead when it was formed, what is the current mass of 20Pb in the rock, if it currently contains 1.385 g of 238 U? The half-life of 238U is 4.47 x 10° years. 0.734 206 Pb mass: torormrt
Bi−210 is a beta emitter with a half-life of 5.0 days If a sample contains 1.0 g of Bi−210, how many beta emissions would occur in 5.0 days?