Juan50464161 Juan50464161

11-11-2020
Chemistry

contestada

what percent of a sample of a radioactive element whose half life=5.0 years will decay after 25 years?

Respuesta :

11-11-2020

Answer:

Calculate the rate of decay constant for U-238 if its half-life is 4.468 × 109 years. Answer: If the problem is referring to the half-life, then the ratio of = 0.5 because half of the original sample has already undergone decay.

Explanation:

Answer Link

Otras preguntas

What did the Nazis' "final solution" involved? A. imprisoning all the Jews of Europe B. killing all the Jews of Europe C. relocating all the Jews in Germany

Show one way to count from $82 to $512

jonas has 8 sponsors for the school walk-a-thon. Maura has 3 times as many sponsors as Jonas. Treton has 1/4 as many sponsors as Jonas. ow many sponsors does Ma

Catherine Beecher along with Mary Lyon established the Hartford Female Seminary in Connecticut in 1823. True False

Which of these statements is true about the play Everyman? a. The fate of Everyman is predestined. b. Discretion proves to be Everyman’s best friend. c. God sen

Is the verb in the sentence in the active voice or the passive voice? The enthusiastic fans cheered near the finish line. A. passive voice B. active voice

A piece of string is 112 inches long does a Bill wants to cut into two pieces so that one piece is three times as long as the other how long is each piece

During the Russian Revolution of 1917, what was the name for the informal councils, like town meetings, where workers, farmers, and soldiers came together to vo

which condition is probably most necessary for a monarch to gain power?why?

what is the scientific notation of 0.0000039