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rusak2 [61]
3 years ago
14

Nitrous oxide is used as an anesthetic. The pressure on 2.50 L of N2O changes from 105 kPa to 40.5 kPa. If the temperature does

not change, what will the new volume be?

Chemistry
1 answer:
Alchen [17]3 years ago
4 0
。。。。。。。。。。。。。。。。。。。。。。。。

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Please help ill medal and fan!
krok68 [10]
Solutions for your questions are the following:
1. remaining amount is equal to:960 g : 100% = 30 g : xx = 30 g * 100% / 960 g
 = 3.125%
= 0.03125
Now, we use this formula to calculate the number of half-lives:(1/2)ⁿ = x,
so,(1/2)ⁿ = 0.03125
to calculate n, use this equation:
n*log(1/2) = log(0.03125) n = log(0.03125)/log(1/2)
= log(0.03125)/log(0.5)
= -1.505/-0.301  
n=5

Ifn = 5T = 15 min

Then
L = T/nL = 15 min/5
= 3 minutes

2. 
You should pick filtration. It is use to separate heterogeneous mixtures just like in the problem stated.

6 0
3 years ago
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