Conversiones De unidades, Apuntes de Ingeniería Ciencia y Tecnología

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FACTORS FOR UNIT CONVERSIONS Quantity Equivalent Values Mass 1kg = 1000 g = 0.001 metric Lon = 2,20462 Ibm = 35.27392 oz 1 Ibm = 160z = 5x10 %ton = 453.593 g = 0.453593 kg Length m = 100 em = 1000 mm = 10% microns (pm) = 101 angstroms (A) = 39.37 in. = 3.2808 ft = 1.0936 yd = 0.0006214 mile 1ft = 12 in. = 1/3 yd = 0.3048 m = 30,48 cm Volume 1m* = 1000L = 10” cm? — 10% mL = 35.3145 (U = 219.97 imperial gallons — 264.17 gal = 1056.68 qt 1fé = 1728in2 — 7.4805 gal = 0.028317 m3 = 28.317 L = 28,317 cm” Force LN = 1kgm/s? = 107 dynes = 10% g:em/s? = 0.22481 lbr 1 lb; — 32.174 Ibyy*ft/s? = 4.4482 N = 4,4482 X 10? dynes Pressure 1atm = 101325 x 105 N/m? (Pa) = 101.325 kPa = 1.01325 bar .01325 x 10% dynes/cm? '60 mm Hg at 0*C (torr) = 10.333 m 130 at 4%C = 14.696 Ihy/in.? (psi) = 33.9 ft H20 at 4C — 29.921 in. Hg at 0” Energy 1J= 1N-m — 10 ergs — 107 dyne-cm = 2.778 x 1077 kW-h = 0.23901 cal = 0.7376 ft-lb; = 9.486 < 107* Bru Power W = 1J/s = 0.23901 calís = 0.7376 f-lby/s = 9.486 < 107* Bru/s = 1,341 x 107 hp Example: The factor Lo convert grams to lb is ( (220462 E) 10008 ) THE GAS CONSTANT 8.314 m*-Pa/(mol*K) 0.08314 L-bar/(mol-K) 0,08206 L-atmi(mol-K) 62.36 L-mm He/(mol-K) 0.7302 11*«atm/(Ib-molc-"R) 10.73 ft*-psia/(Ib-mole"R) 8.314 J(mol-K) 1.987 cal(mol-K) 1.987 Btu/(lb-mole:R)