ravenjohnson20 ravenjohnson20

02-06-2021
Chemistry

contestada

How much of a 0.74mg sample of uranium-235 will remain after 2.8x10^9

Respuesta :

mariamapoiq mariamapoiq

02-06-2021

of Uranium-235 remains after 2.8 x 10^9 years, what was the original mass of the sample of Uranium-235? The half-life of Uranium-235 is 7.0 x 10^8 years. Uranium-232 has a half life of 68.8 years.

Answer Link

Otras preguntas

7. Bella scored 8 points in the second round. This made her total score 39. How many points did she score in the first round?

can some one give me a medium paragraph on why college should be free

Simplify 3.8x + 11.5

Graph the following features: Slope =-3/5 Y-intercept = 3

please please help !!!

1. If you have 5g of pennies how many dozen pennies do you have?

Alice earns £450 in wages per month. She pays £200 rent per month. Next month. her wages will increase by 2% her rent will increase by 5% She says "The increas

need help solving to complete the square

the figure below shows a 60 foot pole held in place by wires anchored at point B, 40 feet from the base of the pole.

A new gaming system costs $350. A store offers a 20% discount on the new gaming system. What is the amount of the discount?