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 ( 27+ )
Otras preguntas
Which part of a feedback mechanism processes information, relates it to other information, and makes a decision of action?a. Effectorb. Radiologyc. Dissectiond.
What does 5x+6y+1 equal
Bo and Erica are yoga instructors. Between the two of them, they teach 42 yoga classes each week. If Erica teaches 12 fewer than twice as many as Bo, how many c
A pizza shop wants to determine how often it delivers to three different areas of a city. The table shows the areas from a random sample of 80 deliveries. to ta
What does the reader learn about the narrator in the first three stanzas? A He is hungry. He drums all the time. He learns how to clap. He has been seized by rh
Which living expense needs to be included in the budget of someone renting an apartment?A. taxesB. insuranceC. down paymentD. maintenance
Chang is driving on a highway. He uses one gallon of gas every 40 miles he drives. The distance, D (in miles), he travels on g gallons of gas is given by the fo
Answer this PLEASE, answer a,b,c
What are you checking for when you troubleshoot a circuit using voltage?
Can variability be determined with the fetoscope? 1) True 2) False
