EditedBean EditedBean

06-05-2022
Physics

contestada

If 100g of an isotope undergoes two half-lives, how many grams will be remaining?
A. 10g
B. 50g
C. 25g
D. 12.5g

Respuesta :

marybobko marybobko

06-05-2022

C. 25 grams

Explanation:

100g l 0 half-lives

50g l 1 half-life

25g l 2 half-lives

Answer Link

Otras preguntas

ignore drawings of triangles and the answer is not D !! Thank you!!

2. The sum of the four angles is 360°. The second angle exceeds the first by three degrees. The third angle is double the first. The fourth angle is double the

Which statement best describes the mood of Americans during the 1920s? 1. They wanted to continue progressive reforms 2. They hoped for a return to normal life

Indicate the tense in the following statements.(imparfait,passé,plus-que-parfait,présent)1. Il faut que nous arrivions...............à l'heure.2. Soyez là avant

What is the area of the shaded region?

Why do you think scientists needed to invent a temperature scale, instead of deciding if things were hot or cold?

The average bond order is the number of bonds between two atoms taking into account resonance. a. Draw a Lewis structure for the nitrite ion and answer the ques

Please answer, I need help

Plz help me ASAP TwT

SOMEONE HELP ME PLEASE