kyanlongmore kyanlongmore

01-03-2021
Chemistry

contestada

What is the half-life of Technetium-99 if a 200 gram sample decays to 50 grams in 639,000 years?

Respuesta :

ssatoshi686 ssatoshi686

09-03-2021

Answer:

The half-life of Th-232 is 1.4 ∙ 10¹⁰ years.

Answer Link

Otras preguntas

Artur, who has a disability, is an employee of banquet & event facilities & services, inc. after the installation of new doors on the entrance to banque

An experiment is conducted to test the claim that james bond can taste the difference between a martini that is shaken and one that is stirred. what is the null

Which laryngeal cartilage is composed of elastic cartilage?

(1/x-2)-(1/x+2)=(A)=0(B)=-(1/4)(C)=(-4/x^(2))(D)=(4/x^(2)-4)(E)=(2x/x^(2)-4) show work

Applying the concept. Distance formula/ midpoint formula. Not sure how to figure this one out. or if I need to use one of the formulas.

What did the kennedy administration do in the civil rights act?

What is the measure of angle 8 if AB = 7 and AC = 9? Round to the nearest degree.

Lois kay is an experienced baker. she has decided to bake and decorate her daughter's wedding cake instead of ordering one at the bakery. her decision to bake h

PLEASE I RELLY NEED HELP WITH THIS QUESTION! come on please please say yes

What are the domain and range of the real-valued function f ( x ) = − x 2 − 3?