QueenJahaida
QueenJahaida
02-11-2017
Chemistry
contestada
Help me please!!!!!!!!!!!!!!!!!!!!!!!!!!!
Respuesta :
cuanchi
cuanchi
06-11-2017
after the first 2 min the 20 g are only 10g, (1 half-life)
after other 2 more min 5g (2 half-lives)
after other 2 more min 2.5 g (3 half-lives)
after 2 more 1.25 g (4 haf lifes)
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
how do you find the area of the kite?
1. What is the Federal Reserve (or the Fed)?2. What does the Federal Reserve do?3. Why is the Federal Reserve important?
Katie has 36 coins in her jar (nickels, dimes, and quarters) totalling $4.20. She has twice as many dimes as quarters. How many nickels does Katie have?
Question 4 What do you observe about the distances between the three pairs of corresponding vertices for each movement? Based on your observations, how would yo
Show an equilateral triangle place on the coordinate system. Label the coordinates of the vertices using one variable? Plz help need soon
PLEASE HURRY AND HELP!! Answer the following questions with details and examples. Explain a positive legacy that we can see in today’s society that is connect
If a car accelerates uniformly from rest to 15 meters per second over a distance of 100 meters, the magnitude of the car’s acceleration is
2) The sum of two numbers is 100. Their difference is 4. What are the two numbers?
PLEASE HELP ME WITH THIS MATH! I NEED HELP! HOW DO I DO NUMBER 30??!!?!!?
Edith Engineer travels from city to city to conduct her business. Every other year she buys a used car for about $12,000. The dealer allows about $8000 as a tra
