maynardzachary2007 maynardzachary2007

25-11-2022
Chemistry

contestada

21. If the half-life of an isotope is 60 seconds, how long will it take for a 1 kg sample to decay to less than 10 g.
a. About 60 half-lives
b. Exactly 100 half-lives
C. About 7 minutes
d. Exactly 60 seconds
e. About 60,000 seconds

Respuesta :

Otras preguntas

FIRST TO ANSWER GETS BRAINLIEST Identify each paranthesesed verb as present, past, future, present perfect, past perfect, or future perfect. By the time you a

During the war, where do African Americans receive the best treatment?

The solution in the two arms of the U-tube are separated by a membrane that is permeable to water and glucose but not to sucrose. Side A is half filled with a s

________ is composed of multiple globular molecules polymerized to form long chains or filaments. A. Actin B. Tropomyosin C. Troponin D. Myosin E. Titin

what is 2fifth times 6seventh

A group of students perform a scientific experiment in which there data disproves their hypothesis. Is the data collected still available?

Emery borrowed money from her brother to buy a new phone, and is paying off a fixed amount each week. After 2 weeks, she will owe $456, and after 5 weeks , she

Please find the equivalent resistance. (the question has been attached below)

Train A departs station one traveling at 75 mph. Train N departs station two 30 minutes later traveling at 45 mph. The stations are 300 miles apart. The equatio

At a horse show, ribbons are awarded for first, second, third, and fourth places. There are 16 horses in the show. How many different arrangements of four horse