Chemistry, 16.12.2019 18:31, kris22elizondop9v1bb

Ascientist digs up sample of arctic ice that is 458,000 years old. he takes it to his lab and finds that it contains 1.675 grams of krypton-81.

if the half-life of krypton-81 is 229,000 years, how much krypton-81 was present when the ice first formed?

use the formula n = n0 .

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 23:30, huangjianhe135

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Answers: 2

continue

Chemistry, 22.06.2019 00:10, bossboybaker

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Answers: 1

continue

Chemistry, 22.06.2019 06:30, khalaflaf2684

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Answers: 1

continue

Chemistry, 22.06.2019 10:00, youngchapo813p8d9u1

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

Answers: 3

continue

Do you know the correct answer?

Ascientist digs up sample of arctic ice that is 458,000 years old. he takes it to his lab and finds...