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Juli2301 [7.4K]
3 years ago
14

The mass of an atom is ________________________.

Chemistry
2 answers:
tigry1 [53]3 years ago
5 0

A. distributed uniformly throughout the atomic sphere

I think it might be right

Thepotemich [5.8K]3 years ago
4 0

Chur answerwould be B concentrated in the nucleus

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The​ half-life of a certain tranquilizer in the bloodstream is 5050 hours. how long will it take for the drug to decay to 8686​%
Novosadov [1.4K]
Using the exponential decay model; we calculate "k"
We know that "A" is half of A0
A = A0 e^(k× 5050)
A/A0 = e^(5050k)
0.5 = e^(5055k)
In (0.5) = 5055k 
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 k = -0.0001371
To calculate how long it will take to decay to 86% of the original mass
0.86 = e^(-0.0001371t)
In (0.86) = -0.0001371t
-0.150823 = -0.0001371 t
 t = 1100 hours

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2 years ago
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C. Gas.
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3 years ago
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Vesna [10]

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3 0
2 years ago
What is the final volume of 20L of gas at 300K that is heated to 600K at constant pressure?
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