subject

Chemistry, 09.12.2020 18:50 jojo77789

A radioactive isotope has a half-life of 5700. years. Given a 100.0 gram sample of the isotope initially, after a number of years have passed, we find that only 6.250 grams of the original isotope remain.
How many years old is the sample?
a 2.280 x 104 yr
b 1.140 x 104 yr
c 1.710 x 104 yr
d 2.850 x 104 yr

ansver

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 01:00, deidaralove90

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part

Answers: 3

Chemistry, 22.06.2019 08:00, juliannxkim

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Answers: 2

Chemistry, 22.06.2019 09:00, 2024cynthiatercero

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Answers: 3

Chemistry, 22.06.2019 14:50, jonmorton159

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2

Answers: 3

You know the right answer?

A radioactive isotope has a half-life of 5700. years. Given a 100.0 gram sample of the isotope init...

Questions in other subjects:

Konu

Business, 18.03.2021 01:20

Kenny, Inc., is looking at setting up a new manufacturing plant in South Park. The company bought some land six years ago for $8.6 million in anticipation of using it as a warehous...

Konu

English, 18.03.2021 01:20

Well, I did it. Oh, it was a long rowin time in the cold, with me worryin. But pretty soon I see a light way up high. Then I remembered the woman told me to watch for a light. Told...

Konu

History, 18.03.2021 01:20

What did the Virginia and Kentucky Resolutions claim? A: Jay’s Treaty violated the Constitution. B: Pinckney’s Treaty was biased in favor of wealthy landowners.

Konu

Engineering, 18.03.2021 01:20

Annealing is a process by which steel is reheated and then cooled to make it less brittle. Consider the reheat stage for a 100-mm-thick steel plate (r = 7830 kg/m3 , cp = 550 J/kg,...

Konu

Mathematics, 18.03.2021 01:20

Can I get some help please and I need it fast The base of a triangle is √125 cm and the height is √20 cm. Find its areaThanks! <3...

Konu

Biology, 18.03.2021 01:20

Which of the following BEST describes the relationship between variations and adaptations? A all variations are adaptations, but not all adaptations come from variations B...

Konu

Business, 18.03.2021 01:20

Samson Wholesale Beverage Company regularly factors its accounts receivable with the Milpitas Finance Company. On April 30, 2021, the company transferred $800,000 of accounts recei...

Konu

Business, 18.03.2021 01:20

Monet Paints Co. is a newly organized business with a list of accounts arranged in alphabetical order, as follows: Account Financial Major Possible Account Statement Classif...

Konu

Mathematics, 18.03.2021 01:20

Find the domain of the function below if the range is {-5, 0, 15} f(x)=1/5x-10...

Konu

Business, 18.03.2021 01:20

1. Suppose the federal government observes a decrease in net exports. Examine this event in terms of the aggregate demand and aggregate supply model. A. The increase in gross inve...

More questions: Chemistry Another questions