kelleykandra01 kelleykandra01
  • 13-07-2022
  • Chemistry
contestada

Lawrencium-262 has a half-life of 4 hr. How much of a 40 mg sample remains after 12 hours?

Respuesta :

Medunno13
Medunno13 Medunno13
  • 13-07-2022

Answer:

5 mg

Explanation:

If one half life is 4 hours, then 3 half lives is 12 hours.

This means that the sample will decay to 1/8 of its original amount.

So, the answer is 40(1/8) = 5 mg.

Answer Link

Otras preguntas

Ling must spend no more than $40.00 on decorations for a party. She has spent $10.00 on streamers and wants to buy bags of balloons as well. Each bag of balloon
Plz help!!! i rlly need help :( STORY: The Winter Hibiscus questions are below! best responses will be marked as BRAINLIEST!!! :D 1. What does the Winter Hibisc
Nekopara is the best game!​
SOMEONE PLEASE TELL ME what is 2+2
HELP PLS! Delta math
One safe investment pays 10% per year, and a more risky investment pays 13% per year. a. How much must be invested in each account if an investor of $96,000 wou
A theme of “The Village Blacksmith” is people can take charge of their fate. Which lines from the poem best develop this theme? “Toiling,—rejoicing,—sorrowing,
Define Monochromatic Color Scheme.
A shipping company in the Midwest has had a rash of on-the-job injuries in recent months and is losing customers because deliveries have been delayed. The compa
Question 1 Deion is not satisfied with his thesis statement in sentence 6. Which of the following should replace sentence 6 to provide a more effective thesis s