zamzam7 zamzam7

28-10-2020
Chemistry

contestada

The half-life of lead-212 is 11h. How much of a 100-g sample of lead-212 is left after 33h?

Someone please help

Respuesta :

bernardlans13 bernardlans13

28-10-2020

After 33 hours, the sample would have undergone a halving 3 times, as its half life is 11 hours.

This would mean that after 33h, only 12.5grams of Lead-212 are left over.

Answer Link

Otras preguntas

THe length of each side of a square was increased by 6 inches so the perimeter is now 52 inches .What was the original length of each side of the square

What is 7 1/2 is ____ % of 1 1/2

Which type of risk is most likely to be insurable? A.Pure riskB.Speculative riskC.Equity riskD.Investment risk

One of the most responsibilities employers have under OSHA is to

solve the inequality 17x is greater than 102

Find a and b if x^4+3x^3−2x^2+ax+b is divisible by (x^2–3x+2)

Adam is 9 years older than and 13 years ago he was twice as old as she was then.How oldare adam and Brianna now /10196172/aa3db37e?utm_source=registration

In the united states congress about 50 percent of the offices are held by women. a. True b. False

Benzoic acid, c6h5cooh, has a ka = 6.4 x 10-5. what is the concentration of h3o+ in a 0.5 m solution of benzoic acid? 3.2 x 10-5 m

Which geographic features are associated with a divergent boundary (Can select more then one)

ACCESS MORE EDU ACCESS