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

The green residue you see in an aquarium is called _____. spirogyra cladophora nostoc volvox

The product of force and the amount of time the force acts on an object is called:

can y'all please help me with this question explain how you would convert 4 meters to millimeters

What rhetorical effect does the personification of the word Prudence have in the following excerpt from the Declaration of Independence? Prudence, indeed, will

Why does it take 3 copies of 1/6 to show the same amount as 1 copy of 1/2

What government rule allowed states to buy lands they had claimed to the west

what is the resiprical of 5/8

Complete the analogy. throw : toss :: elevation : _____ a. scale b. altitude c. mountain d. contour line

Under a parliamentary government, who has the most power in government? a. President c. House of Commons b. Queen d. Prime Minister

what are three signs that a chemical change has taken place