briannasineiro56671 briannasineiro56671
  • 22-02-2024
  • Chemistry
contestada

How many half-lives has a 100 gram sample of As-81 gone through to decay to 12.5 g?
a) 2
b) 3
c) 4
d) 5

Respuesta :

Otras preguntas

A patio is to be built with 80 tiles. In how many rectangular arrays can it be arranged
Who is Kennedy addressing when calling for peace and the reduction of nuclear arms? A. fellow citizens B. U. S. Congress C. United Nations D. U. S allies
The area of a rectangular field is 2275 m2. The field is enclosed by 200 m of fence. What are the dimensions of the field?
This type of irony occurs when there’s a contradiction between what a character thinks is true and what the reader knows to be true — when the reader has greate
What is three fourths times five sixths
the peace settlement that followed the defeat of napoleon was developed at the?
Sophias vegetable garden is divided into 12 equal sections. She plants carrots in 8 of the sections. Write two fractions that are equivalent to the part of soph
Which of the following statements is FALSE? a. To identify conflict in a story, it is important to identify the character’s goal. b. Conflict is a struggle bet
Samuel order four did from an online music stores. Each dvd cost 9.99$. He has a 20% discount code and sales tax is 6.75%. What is the total cost of the order
LOOK, 25 POINTS Y'ALL this is a logic-math combo question that was from my 5th grade math book (singapore math). just for fun. I never solved it on my own. MUST