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

According to the information presented in the lecture, what can be said about personality? a.. It is the behaviors, attitudes, beliefs, and values of a person.

In 2-3 complete sentences, explain the relationship between speed, frequency, and wavelength. i really need help on this question :(

How long is the carrot?

I've got most completed but a few confuse me, I'll mark brainliest if someone could please help me. I'd appreciate it

7. Which route did the explorer John Cabot take to reach Canada? A. Around the southern tip of Africa B. Middle of the Atlantic Ocean C. North Atlantic Ocean

Conjugate means to change the (blank) to match the (blank)

Explain the impact of machine guns, airplanes, tanks, poison gas, and other technological innovations in ww1

Help please, I will give brain list

Which economic activity is part of a government's fiscal policy? A. Calculating inflation B. Regulating corporations C. Raising tax rates o D. Printing more mon

What were the impacts of the war in the U.S short answer please ‼️‼️