schooly13 schooly13

19-11-2021
Physics

contestada

Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?

A. .25
B. 2.5
C. 5
D. 20

Respuesta :

xtrj88pzw4 xtrj88pzw4

20-11-2021

C.5
I believe that is the answer

Answer Link

Otras preguntas

1, A ____ stands alone and is meaningful. a. predicate b. sentence c. fragment d. subject

The United States became involved in the war with Germany because....?

Given h(x)=-2x^2-x+2, find h(2)

Which of the following events was prompted by Ida Tarbell's investigative journalism? A. Congress passed a pure food and drug act. B. The Supreme Court broke up

here was a fight ____________ my mom and my brother. between among

The electromagnetic wave shown above is made of vibrating

What are hiccups and what causes them?

Identifying errors In order to A(prepare for) the speech he B(was given) to all of the parents and teachers at the school, George practiced speaking C(in front

Which occurred in the wake of King’s assassination in 1968?

Which sentence uses correct capitalization? A. Our favorite activities at Camp Lake Tahoma were archery and kayaking. B. Our favorite activities at camp Lake Ta