notverynicenice notverynicenice
  • 16-02-2024
  • Chemistry
contestada

One isotope of Br has a half-life of 16.5 hours. How much of a 2.00 gram sample remains at the end of 75 hours?

Respuesta :

Otras preguntas

Suppose you had an organic molecule such as cystine, and you chemically removed the --nh2 group and replaced it with --cooh. Draw the structural formula for thi
An unknown metal is very reactive; it reacts violently with water and must be stored in a moisture-free environment. It is solid at room temperature. Which grou
BRAINLIESTTTT ASAP!!!! PLEASE ANSWERRRR :) •What were the factors leading to the downfall of the GHANA empire?
The natural abundances of elements in the human body, expressed as percent by mass, are oxygen (o), 65 percent; carbon (c), 18 percent; hydrogen (h), 10. Percen
true or false a camera obscura is a container that blocks all light except for a small pin hole and creates the image in front of the panel on the inside of the
After World War II, why did the Soviet Union take over a number of countries to its west? to create a buffer zone between itself and the Western powers to build
3/4 ÷ 1/8 step by step
Why is judicial review such an essential piece of the supreme court?
I need help, easy points
Good writing should rely more on _____ than on _____ for effective expression. punctuation; words words; punctuation end marks; internal punctuation