CONSTANTE UNIVERSAL DE LOS GASES R

KkmolkJ

31434.8 Kgmol

cal

9872.1

KgmolLmmHg

361.62

KkmolmkPa 3

31434.8

Kgmolcmatm

3

057.82

RlbmolftmmHg 3

555

Kkmolmbar 3

08314.0 Kkmol

matm 3

08205.0

RlbmolftinHg 3

85.21

KkmolatmL

05.82

KgmolLatm08205.0

Rlbmol

hrkW

0005819.0

RlbmolBTU

9872.1

Kkmol

J

34.8314

RlbmolhrHP

0007805.0

Rlbmollbft f

35.1545

Rlbmolin

lbft f

2

3

73.10

KlbmolftmmHg

3

9.998

Rlbmolftpsia

3

73.10

Rlbmolatmft

3

7302.0

Klbmolftatm

3

314.1

KgmolLbar08314.0

Kgmol

J

31434.8

ENERGÍA, TRABAJO Y CALOR 1 BTU = 1.055 x 1010erg = 777.9 ft·lbf = 1 055 J

=252 cal = 6.585 x 1021 eV

1 kW·hr = 1.341 HP·hr = 3 600 kJ = 3 412.14 BTU

1 J = 1 N·m = 0.2394 cal = 10 bar·cm3 = 0.73756 ft·lbf = 107 erg

= 1 Pa·m3 1 kJ = kPa·m3 =1 000 J

1 erg = 1 dina·cm 1 kgf ·m= 9.806 J 1 kcal =1000 cal = 4.184 kJ = 41.224865 L·atm

MASA 1 lb = 0.45359237 kg = 16 oz = 453.59 gr

1 slug = 32.174 lb = 14.5939 kg

1 kg = 2.2046226 lb = 1 000 gr

1 ton corta = 2 000 lb = 907.1847 kg

1 ton métrica = 1 000 kg = 2 240 lb = 1.10231 ton corta

= 0.984206 ton larga

1 kg = 6.022x1026 uma = 6.852x10-2 slug

1 utm = 32.174 kg = 2.20462 slug = 70.931528 lb

1 stone = 224 oz = 14 lb = 6.35029 kg

LONGITUD 1 m = 100 cm = 1 000 mm = 39.37 in = 3.2808 ft = 1.0926 yd

1 km = 1 000 m 1 ft = 12 in = 0.3048 m = 0.333 yd

1 milla = 5 280 ft = 1.6093 km = 1 609.3 m

1 in = 2.54 cm = 0.08333 ft 1 nm = 1x10-9 m = 10 Å

1 fermi =1x10-12 m 1 Å = 1x10-10 m 1 micra = 1 x 10-8 m

1 año luz = 9.46 x 1015 m 1 parsec = 30.8 x 1015 m

1 furlong = 201.168 m = 220 yd = 660 ft

1 milla náutica = 1 852 m = 1.151 millas = 6 072 ft

1 yarda = 3 ft = 0.9144 m = 36 in 1 braza = 6 ft

FUERZA poundallbdina

segmkgN f 233.7 22481.010111 52

1 kgf = 9.80665 N

poundalseg

ftlblb ff 174.32kg 454.0N 44822.4174.32 1 2

1 grf =980.665 dinas 21 1

segcmgrdina

21212174.322129.80665gc segdina

cmgr

segflb

ftslug

segflb

ftflb

segN

mkg

segfkg

mkg

DENSIDAD

333

33 062428.01094.1001.01ftlb

ftslug

cmgr

mkg

3333 036127.0345.84286.62100011inlb

gallb

ftlb

mkg

Lkg

cmgr

333 001.006243.01cmgmol

ftlbmol

mkmol

33 17281

ftlb

inlb

32 1000 25y 1 a del DensidadmkgCatmOH

5.1315.141

r

API

r

BeOH

145145 el que ligeras más Soluciones 2

130140 el que pesadas más Soluciones 2 r

BeOH

PRESIÓN

Torrcmdina

ftlb

psiamNPa f 0075.010020886.0104504.11 1 22

42

1 kPa = 1 000 Pa = 1 x 10-3 MPa

1 atm = 101.325 kPa = 1.01325 bar = 760 mmHg = 1.03323 kgf /cm2

= 10.3323 mH2O =14.696 psia = 29.9213 inHg =1.013x106 dina /cm2

= 76 cmHg

1 mmHg = 0.1333 kPa = 1 Torr = 0.10 cmHg = 1.33322 mbar

1 inHg = 3.387 kPa

1 psia = 144 lbf /ft2 =1 lbf /in2 = 6.894757 kPa = 27.68 inH2O

= 5.171 cmHg

1 inH2O = 2 491 dina /cm2 = 0.1868 cmHg = 249.1 Pa = 5.202 lbf /ft2

1 bar = 1x10 6dina /cm2 = 0.1 MPa = 0.986923 atm = 1x105 Pa

= 14.5038 lbf /in2 = 750 mmHg

mbar = 100 Pa = 1 000 dina /cm2

1 lbf /ft2 = 478.8 dina /cm2 = 0.1922 inH2O = 47.88 Pa

= 6.944x10-3 lbf /in2 = 4.725x10-4 atm

21 1cmdinabaria

msegkg

mNPa

22 11 1

ACELERACIÓN

22

222

3048.01

2808.31001

segm

segft

segft

segcm

segm

22 174.3280665.9

segft

segmg

TEMPERATURA

K = °C + 273 °F = 1.8 °C + 32 R = °F + 459.67 = 1.8 K

DIFUSIVIDAD

segm

hrft

segcm 2

422

101875.31

segm

hrft 2

52

1058.21

hrft

hrm 22

764.101 segm

segft 22

0929.01

hrft

segm 2

42

10875.31

ENTALPÍA Y CALOR LATENTE

kgmkg

kgkcal

kgJ

lbBTU f 1.237555.023261

kgkgm

kgJ

lblbft ff

304689.0989.21

kgkgm

kgJ f

101937.01

kgJ

kgkcal 41841

lb

BTUgr

cal 8.11

lbBTU

segm

kgkJ 430.010001 2

2

CAPACIDAD CALORÍFICA Ó CALOR ESPECÍFICO

CkgsegkW

CkgkJ

Ckgkcal

Cgrcal

FlbBTU

1868.41868.4111

Kgrcal

Cgrcal

11

Rlb

BTUFlb

BTU

11

KkmolkJ

RlbmolBTU

1868.41

RlbBTU

FlbBTU

CgrJ

KkgkJ

CkgkJ

23885.023885.0111

CAUDAL O FLUJO VOLUMÉTRICO

hrL

segL

mingal

minL 60016667.0264201.01

hrgal

mingal

minL

minft 8348.44848058.7317.281

3

TENSIÓN SUPERFICIAL

cmsegcmgr

cmdina

ftlb

mN f

210001000068529.01

VELOCIDAD

minft

segcm

segm

hrkm 807087.546778.277277778.01

rpmsegrev

segsegrad 5502.915917.0grados29.571

hrmi

segft

hrkm

segm 237.22808.36.31

VISCOSIDAD

segmkg

segcmgrcp

1.01 100 poise 1

100001076.01 stoke 122

centistokesegft

segcm

2

6

488.1

302301.535710357.5 145862.14881

msegN

hrmkg

hrftlbcp

segftlb

segmkg

hrmkgcp

31013.6 1

VOLUMEN

1 m3 = 1x106 cm3 = 1 000 L = 35.315 ft3 = 6.1024x104 in3

= 264.17 gal US 1 cm3 = 1 ml = 1 cc

1 L = 1000 cm3 = 61.02 in3 1 in3 = 16.39 cm3

1 ft3 = 2.832x104 cm3 = 28.32 L = 1728 in3 = 7.481 gal US

1 gal = 277.4 in3 1 gal US = 231 in3 = 3.7854 L

1 barril = 42 gal US = 5.615 ft3 = 159 L = 0.159 m3 GAS IDEAL A CONDICIONES NORMALES

1 gmol a 0°C y 1 atm = 22.4 L

1 lbmol a 0°C y 1 atm = 359 ft3

POTENCIA

1 W = 1 J /seg = 1x107 erg /seg = 1 vatio = 14.36 cal /min

= 1 N·m /seg

seglbft

hrBTUHPWkW f

73756.014.3412 341.1 1000 1

kW 7457.05.2544

41.427068.0 7.745550 1

hrBTU

minBTU

segBTUW

seglbft

HP f

segcal

seglbft

hrkJ

hrBTU f 07014.0216.0 W293071.0055056.11

1 ton de refrigeración = 2000 BTU /min

caballo de vapor eléctrico = CV = 746 W

caballo de vapor mecánico = HP = 0.999598 CV

caballo de potencia métrico = 735.499 W

caballo de potencia de caldera = 9 803 W = 1 B.H.P.

AREA

1 m2 = 1x104 cm2 = 1x106 mm2 = 1x10-6 km2 =1550 in2 = 10.764 ft2

1 ft2 = 144 in2 = 0.09290304 m2

VOLUMEN ESPECÍFICO

lbft

grcm

kgL

kgm 333

02.16100010001

kgm

lbft 33

062428.01

COEFICIENTE DE TRANSFERENCIA DE CALOR

FftHP

CcmsegJ

Cmhrkcal

FfthrBTU

224

22 000393.010678.588.41

CcmW

FfthrBTU

Ccmsegcal

222 1868.473801

Ccmsegcal

CmsegJ

FfthrBTU

Cmhrkcal

25

24

22 10775.210163.12048.01

Cmhrkcal

FfthrBTU

CmsegJ

CmW

2222 859863.01762.011

FinW

5816.3Ffthr

BTU1760

CcmW

1 222

CONDUCTIVIDAD TÉRMICA

CmsegJ1442.0

cmCcmhr

cal24.1

cmCcm

W001442.0

cmCcmseg

cal10444.3

inFfthr

BTU1

2

22

4

2

Ccmsegcal10132.4

Cmhrkcal487.1

CmW73.1

CmsegJ73.1

ftFfthr

BTU1

3

2

MOLES

1 lbmol = 453.59 gmol = 0.45359237 kmol

1 kmol = 1 000 gmol = 2.2046226 lbmol

1 gmol = 0.002205 lbmol

Instituto Mexicano de Ingenieros Químicos A. C.

SECCIÓN ESTUDIANTIL

INSTITUTO TECNOLÓGICO

DE MINATITLÁN

UNIVERSIDAD AUTÓNOMA

METROPOLITANA-IZTAPALAPA