Deviation from Ideal Gas Law
AP Chemistry · Flashcards · Application
AP CHEMISTRY · FLASHCARDS
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QUESTION
Calculate
n
n
n
if
P
=
3
atm
P = 3 \text{atm}
P
=
3
atm
,
V
=
10
L
V = 10 \text{L}
V
=
10
L
,
T
=
400
K
T = 400 \text{K}
T
=
400
K
,
R
=
0.0821
R = 0.0821
R
=
0.0821
.
QUESTION
Calculate pressure deviation using
P
=
4
atm
P = 4 \text{atm}
P
=
4
atm
,
a
=
0.8
a = 0.8
a
=
0.8
,
V
=
20
L
V = 20 \text{L}
V
=
20
L
.
QUESTION
Find the pressure correction in Van der Waals equation for
1
mol
1 \text{mol}
1
mol
of gas.
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ANSWER
a
V
2
\frac{a}{V^2}
V
2
a
. For 1 mole,
n
=
1
n = 1
n
=
1
, so the correction becomes
a
V
2
\frac{a}{V^2}
V
2
a
.
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