wackydenny99 wackydenny99

20-05-2023
Chemistry

contestada

The half-life of 221 Fr is 5 min. If the radioactivity of a sample of 221Fr is 0.32 pCi, what would the activity of this sample be after 15 min considering 1st
order reaction? The Curie (Ci) is just a unit of radioactivity (like a concentration!)

Respuesta :

Otras preguntas

In the book The Book Thief, what about max scares Liesel

I really don't getting this

In triangle S P Q what is the included angle of QP and SP?

how can you use use in a question

Solve w^2+13w+42=0 by factoring.

Which is the correct translation of the following: I like avocados. a) A mí me gustan aguacates. b) A mí me gusta frijoles. c) A mí me gusto aguacates. d)

Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Another 15% of the students she surve

ANSWER ASAP The middle latitude areas generally have two seasons each year. True False

Why did many germans dislike the weimar republic during the first few years of its existence?

simple interest = P × r × t Dave has a three–year college loan for $10,000. The lender charges a simple interest rate of 6 percent. How much interest will he h