lajilasellers15 lajilasellers15

02-04-2018
Physics

contestada

if a radioactivite material has 1 hour half-life, how much of a 1000 g sample will be left after 6 hours

Respuesta :

02-04-2018

The radioactive portion of the sample gets cut in half every hour.

After 6 hours, there's (1/2)⁶ of it left. That's 1/64 of it.

(1000g/64) = 15.625 grams

Answer Link

Otras preguntas

how are crystal minerals classified

Table salt and water are examples of? A. atoms B. elements C. mixtures D. substances

what is ten times as much as 0.1

In the lock-and-key model of enzyme action, the _______________ fits into _______ of the enzyme. A. product, substrate B. active site, product C. substrate, act

Simplify the expressions 1.) 8n-(n-3) 2.) 20u-6(u+5) 3.) -w+4-(3w-13) 4.) p-5(2-3p)+1 Find the coefficients ,contstants and like terms of each problem above.

8√8 can be written in the form 8∧k , Find the value of k??? 8√8 can also be expressed in the form m√ 2 where m is a positive integer , Find the value of m? rat

Which statements describe organisms referred to as "colonial"? A. A multicellular organism B. Similar bacteria or protozoa which group together C. Tissue D. A g

Can you identify the 4th most abundant element in the universe?

In the lock-and-key model of enzyme action, the _______________ fits into _______ of the enzyme. A. product, substrate B. active site, product C. substrate, act

Converting carbon to nitrogen by increasing the number of protons from 6 to 7 and decreasing the number of neutrons from 8 to 7 is an example of what type of de