keonaspratley15 keonaspratley15

22-10-2021
Chemistry

contestada

How long will it take for 25.0 g of Ra-226 to decay to leave a total of 1.56 g? Ra-226 has a half-life of 1600 years.

8000years
4800years
3200years
6400years

Respuesta :

tsaunders035 tsaunders035

05-11-2021

Answer:

mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

Explanation:

nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Answer Link

Otras preguntas

what causes the moon to change its appearance over a month?

What made Randy feel something for the first time in a long time?

here ya go lol always with the warning "Don't use such phrases here, not cool! It hurts our feelings"

I need help with this

ALL CHILDRENS' CLOSE ARE ON SALE corrects all errors

Name and explain three cases that went before the supreme court and did they play a role in civil rights during the 1960's and 1970's?

The U.S. defense strategy in the 1950s relied more heavily on airpower and____ weapons than land armies.

Solve for x. 4 8 1 -x + x = -42 7*- 35 5 X =

help please? sorry if it is blurry

8 Determine the area of the shaded region. 2 ft 7.6.4