|
|
| Gas
Constants
|
| Numerical
Constant |
Value |
Unit
of Measurement |
| Volume
of Ideal Gas at STP |
22.414
L |
Liters,
0°C, 1 atm. |
| Volume
of Ideal Gas at NTP |
24.416
L |
Liters,
70°F, 1 atm. |
| Avogadro's
Number |
6.0221367
x 1023 |
molecules/gm-mole |
| Desnity
of Air (STP) |
1.2928 |
grams/liters |
| Gas
Law Constant, R |
1.98719 |
cal/(gm-mol)(°K) |
| |
82.568 |
(cm
3
)(atm)/(gm-mol)(°K) |
|
|
|
| Concentration
Equivalents |
|
Multiply
|
ppt
|
ppb
|
ppm
|
%
|
|
parts
per trillion, ppt
|
1
|
0.001
|
0.000001
|
1.00E-10
|
|
parts
per billion, ppb
|
1,000
|
1
|
0.001
|
1E-07
|
|
parts
per million, ppm
|
1,000,000
|
1,000
|
1
|
0.0001
|
|
Percent,
%
|
10,000,000,000
|
10,000,000
|
10,000
|
1
|
|
|
|
| Temperature
Conversion |
| Multiply |
°C,
Celsius |
°F,
Fahrenheit |
°K,
Kelvin |
°R,
Rankin |
| Celsius,
°C |
1 |
9/5(C)
+ 32 |
°C
+ 273.15 |
(°C
+273.15)1.8 |
| Fahrenheit,
°F |
(°F-32)(5/9) |
1 |
(°F-32)(5/9)+273.115 |
°F
+ 459.67 |
| Kelvin,
°K |
°K-273.15 |
(°K-273.15)1.8+32 |
1 |
(°K)1.8 |
| Rankin,
°R |
(°R/1.8)-273.15 |
°R-459.67 |
°R/1.8 |
1 |
|
|
