1 lb-mol of an ideal gas at 32°F and 1 atm occupies 359 ft3 (0.00279 lb-mol/ft3).
1 mol of an ideal gas at 0°C and 1 atm occupies 22.4 dm3 (0.0446 mol/dm3).
where |
CA = concentration of A, mol/dm3 |
T = temperature, K |
P = pressure, kPa |
yA = mole fraction of A |
|
R = ideal gas constant, 8.314 kPa·dm3/mol·K |
1M = 1 molar = 1 mol/liter = 1 mol/dm3 = 1 kmol/m3 = 0.062 lb-mol/ft3
1 cm3 |
= 0.001 dm3 |
1 in3 |
= 0.0164 dm3 |
1 fluid oz |
= 0.0296 dm3 |
1 ft3 |
= 28.32 dm3 |
1 m3 |
= 1000 dm3 |
1 U.S. gal |
= 3.785 dm3 |
1 liter (L) |
= 1 dm3 |
1 Å |
= 10–8 cm |
1 dm |
= 10 cm |
1 μm |
= 10–4 cm |
1 in. |
= 2.54 cm |
1 ft |
= 30.48 cm |
1 m |
= 100 cm |
1 torr (1 mmHg) |
= 0.13333 kPa |
1 in. H2O |
= 0.24886 kPa |
1 atm |
101.33 kPa |
1 psia |
= 6.8943 kPa |
1 megadyne/cm2 |
= 100 kPa |
1 bar = 100 kPa |
1 kg·m2/s2 |
= 1 J |
1 Btu |
= 1055.06 J |
1 cal |
4.1868 J |
1 L·atm |
101.34 J |
1 hp·h |
= 2.6806 = 106 J |
1 kWh |
= 3.6 × 106 J |
°F |
= 1.8 × °C + 32 |
°R |
= °F + 459.69 |
K |
= °C + 273.16 |
°R |
= 1.8 × K |
°Réamur |
= 1.25 × °C |
1 lbm |
= 454g |
1 kg |
= 1000 g |
1 grain |
= 0.0648 g |
1 oz (avoird.) |
= 28.35 g |
1 ton |
= 908000 g |
1 poise = 1 g/cm/s = 0.1 kg/m/s
1 centipoise = 1 cp = 0.01 poise = 0.1 micro Pascal · second
1 dyne= 1 g · cm/s2
1 Newton= 1 kg · m/s2
1 Pa= 1 Newton/m2
A. Work = Force × Distance
1 Joule = 1 Newton · meter = 1 kg m2/s2 = 1 Pa · m3
B. Pressure × Volume = Work
(1 Newton/ m2) · m3 = 1 Newton · m = 1 Joule
1 Watt= 1 J/s
1 hp= 746 J/s
Gravitational constant
g = 32.2 ft/s2
American Engineering System
SI/cgs System
gc = 1 (Dimensionless)
TABLE B-1 TYPICAL PROPERTY VALUES
Liquid (water) |
Gas (air, 77°C, 101 kPa) |
Solid | |
---|---|---|---|
Density | 1000 kg/m3 | 1.0 kg/m3 | 3000 kg/m3 |
Concentration | 55.5 mol/dm3 | 0.04 mol/dm3 | – |
Diffusivity | 10–8 m2/s | 10–5 m2/s | 10–11 m2/s |
Viscosity | 10–3 kg/m/s | 1.82 × 10–5 kg/m/s | – |
Heat capacity | 4.31 J/g/K | 40 J/mol/K | 0.45 J/g/K |
Thermal conductivity | 1.0 J/s/m/K | 10–2 J/s/m/K | 100 J/s/m/K |
Kinematic viscosity | 10–6 m2/s | 1.8 × 10–5 m2/s | – |
Prandtl number | 7 | 0.7 | – |
Schmidt number | 200 | 2 | – |
TABLE B-2 TYPICAL TRANSPORT VALUES
Liquid | Gas | |
---|---|---|
Heat transfer coefficient, h | 1000 W/m2/K | 65 W/m2/K |
Mass transfer coefficient, kc | 10–2 m/s | 3 m/s |
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