QueenJahaida
QueenJahaida
02-11-2017
Chemistry
contestada
Help me please!!!!!!!!!!!!!!!!!!!!!!!!!!!
Respuesta :
cuanchi
cuanchi
06-11-2017
after the first 2 min the 20 g are only 10g, (1 half-life)
after other 2 more min 5g (2 half-lives)
after other 2 more min 2.5 g (3 half-lives)
after 2 more 1.25 g (4 haf lifes)
Answer Link
VER TODAS LAS RESPUESTAS ( 94+ )
Otras preguntas
In a study where the researchers told some subjects they were receiving alcohol and other subjects they were not receiving alcohol and then either gave them alc
what is DNA in full?
Taobao has been placed on the U.S. trade representative offices blacklist of “notorious marketplaces” due to the websites sale of counterfeit products and viola
Which is a conflict of interest? A)disclosing information requested by a government agency B)disclosing information when given permission by the customer C)disc
Chose one example in either essay of weak,incomplete,or irrelevant evidence, and analyze what makes this evidence ineffective. How does the writer's choice to i
for f(x)=4x+1 and g(x)=x^2-5, find (f+g)(x)
What is the magnitude of the electric field produced by a charge of magnitude 5.00 μC at a distance of 1.00 m?
What is 54.344 • 25.456 i keep doing it over and over and every time its always a different answer than the last. I am not good at keeping track of all the numb
Evaluate -z when z = -17
The radius of a krypton atom is 110pm and it's mass is 1.39x10 to -22 g. What is the density of the atom in grams per cubic centimeter?
