lcjfletcher lcjfletcher

04-04-2021
Chemistry

contestada

Carbon 14 has a half-life of 5,730 years. If a sample contained 70 mg originally, how much is left after 17,190 years.

Respuesta :

keijosalonen keijosalonen

04-04-2021

Answer: Mass after three decay is 8.75 mg

Explanation: if you divide 17190 by 5730 you see three decays has happened.

So you divide mass by two three times. 70 mg :2 = 35 mg, 35 mg :2 = 17.5 mg

And 17.5 mg:2 = 8,75 mg

Answer Link

Otras preguntas

A circle has a radius of 3.93 inches. Using the correct number of significant digits, find the circumference and the area of the circle. The circumference is _

what is corroboration

35. The golfer got a (whole, hole) in (one, won). 36. I would like a (plane, plain) hamburger with no pickles. 37. It is (plane, plain) to see that he (wood, wo

AS YOU KNOW, WHETHER A PERSON HAS "GOOD" OR "POOR" SOCIAL SKILLS, WHAT 3 THINGS IN THEIR LIFE WILL BE AFFECTE?

is this a run on sentence after electricity is produced in a power plant, where does it go

Find the standard equation of a sphere that has diameter with the end points given below. (3,-2,4) (7,12,4)

Ava borrowed some money from her friend in order to help buy a new video game system. Ava agreed to pay back $2 per week and after 5 weeks, Ava still owe her fr

. Suppose that you prefer reading a book you already own to watching TV and that you prefer watching TV to listening to music. If these are your only three choi

If a gannet hits the water at 32 m/s, what height did it dive from? Assume that the gannet was motionless before starting its dive.

Complete the answer. 8 is 1/10 of