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Basic Constants and Conversion Factors
BMED 2210
53
Chemical Engineering
Undergraduate 2
08/20/2014
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Term
C atomic weight
 Definition
12.0
Term
Ca atomic weight
 Definition
40.0
Term
Atomic weight Cl
 Definition
35.5
Term
Atomic weight Fe
 Definition
55.8
Term
atomic weight H
 Definition
1.0
Term
atomic weight K
 Definition
39.1
Term
Atomic weight N
 Definition
14.0
Term
Atomic weight Na
 Definition
23.0
Term
Atomic weight O
 Definition
16.0
Term
Atomic weight S
 Definition
32.0
Term
Molecular weight water
 Definition
18
Term
molecular weight amino acid, avg
 Definition
135
Term
molecular weight DNA base pair, avg
 Definition
610
Term
molecular weight glucose
 Definition
180
Term
molecular weight dry air
 Definition
28.84
Term
molecular weight protein, range
 Definition
5000 to 3e6
Term
relate m, cm, mm, microns, nm, angstroms
 Definition
1 m = 100 cm = 1000 mm = e6 microns = e9 nm = e10 angstoms
Term
in to cm
 Definition
1 in. = 2.54 cm
Term
mi to ft to km
 Definition
1 mi = 5,280 ft = 1.61 km
Term
typical mammalian cell, diameter
 Definition
10 microns
Term
kg to g to metric ton to lb
 Definition
1 kg = 1000 g = 0.001 metric ton = 2.2 lb
Term
lb to oz to g to kg to ton
 Definition
1 lb = 16 oz = 454 g = 0.454 kg = 5e-4 ton
Term
m^3 to L to cm^3 to mL
 Definition
1 m^3 = 1000 L = 1e6 cm^3 = 1e6 mL
Term
whole blood volume
 Definition
5L
Term
resting cardiac output
 Definition
5 L/min
Term
total lung capacity
 Definition
6.0 L
Term
tidal volume
 Definition
0.500 L
Term
breathing frequency
 Definition
12 breaths/min
Term
g/cm^3 to lb/ft^3 to lb/gal
 Definition
1 gm/cm^3 = 62.4 lb/ft^3 = 8.33 lb/gal
Term
1 g mol of an ideal gas at 0 degrees C, 760 mm Hg has what volume?
 Definition
22.4 L
Term
1 lb mol of an ideal gas at 32 degrees F, 14.7 psia has what volume?
 Definition
359 ft^3
Term
atm to mm Hg at 0 degrees C to lb/in^2 (psi)
 Definition
1 atm = 760 mm Hg at 0 degrees C = 14.7 lb/in^2
Term
atm to in. Hg to ft water
 Definition
1 atm = 29.92 in. Hg = 34 ft water
Term
atm = bar = kPa = dynes/cm^2
 Definition
1 atm = 1.013 bar = 101.3 kPa = 1.013e6 dynes/cm^2
Term
ft^3 = gal = L
 Definition
1 ft^3 = 7.48 gal = 28.3 L
Term
Pa = N/m^2
 Definition
1 Pa = 1 N/m^2
Term
systemic blood pressure
 Definition
120/80 mmHg
Term
delta C = delta F
 Definition
delta 1.0 degree C = delta 1.8 degrees F
Term
C to F
 Definition
F = 1.8(C) + 32
Term
F to R
 Definition
Rankine = F + 460
Term
C to K
 Definition
K = C + 273
Term
Room temp (C and K)
 Definition
25 degrees C (298K)
Term
Body core temperature
 Definition
37 degrees C (310K)
Term
lbf = lbm*ft/s^2 = N = kg*m/s^2 = dynes
 Definition
1 lbf = 32.174 lbm*ft/s^2 = 4.448N = 4.448 kg*m/s^2 = 4.448e5 dynes
Term
N = kg*m/s^2
 Definition
1 N = 1 kg*m/s^2
Term
dyne = g*cm/s^2
 Definition
1 dyne = 1 g*cm/s^2
Term
Nm = kg*m^2/s^2 = lbf*ft
 Definition
1 Nm = 1 kg*m^2/s^2 = 0.738 lbf*ft
Term
Btu = cal = ft*lbf = J
 Definition
1 Btu = 252 cal = 778 ft*lbf = 1055 J
Term
J = dyne*cm
 Definition
1 J = 1e7 dyne*cm
Term
Composition of air
 Definition
79% N2, 21% O2
Term
Standard temp and press
 Definition
0 degree C
1 atm
Term
Molar volume of an ideal gas at STP
 Definition
22.4 L/mol = 359 ft^3/lbm*mole
Term
kW = J/s = hp = cal/s
 Definition
1 kW = 1000 J/s = 1.34 hp = 239 cal/s
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