HP -22S Owner's Manual page 101

.0821
1
INPUT
I
24
G
273.1
1
INPUT
I
T?value
T=297.1aaa
p=a.a61a
Stores R, proDlpts for
T.
Calculates and stores T
(K),
calculates P (atDl.)
Example: Density of a Gas. A 5-liter flask contains nitrogen gas.
The pressure is 0.05 atDlospheres when the teDlperature is 18°C. Cal-
culate the gas density.
Step 1:
Calculate N.
Keys: Display: Description:
.1
SOLVE
I
{to!}
P?value
Selects N, proDlpts for
P .
. 05
1
INPUT
I
V?value
Stores P, proDlpts for
v.
5
I
INPUT
I
R?value
Stores V, proDlpts for
R.
.0821
1
INPUT
I
T?value
Stores R, proDlpts for
T.
18
G
273.1
1
INPUT
I
T=291.1aaa
Calculates and stores
N=a.ala5
T, calculates N.
Step 2:
Calculate the Dlass (Dlass
=
N
X
Dlolecular weight; the DlO-
lecular weight of nitrogen is 28).
0280
13.2929
Calculates the Dlass.
Step 3:
Calculate the density (density
=
Dlass
-+-
voIUDle):
13.13586
Calculates the density.
7: The Equation Library 101