capacidad térmica resultados

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“CAPACIDAD TÉRMICA” RESULTADOS EXPERIMENTALES. Cilindro s Cilindr os m cilindros (g) T inicial metal (°C) T inicial H 2 O (°C) T equilibrio (°C) 1 (4.41g) 1 4.41 60° 22.1° 22.6° 2 (4.40g) 2 8.81 62° 22.2° 22.8° 3 (4.64g) 3 13.45 66° 22.3° 23.3° 4 (4.43g) 4 17.88 68° 22.1° 23.4° 5 (3.46g) 5 21.34 70° 22.1° 23.7° CÁLCULOS Cilindr os m cilindros (g) ∆T metal = T inicial metal - T equilibrio (°C) ∆T H 2 O = T equilibrio - T inicial H 2 O (°C) Capacidad Térmica Especifica (cal/g °C) Capacidad Térmica (cal/°C) ERROR % 1 4.41 37.4 0.5 0.455 2.005 51.64 2 8.81 39.2 0.6 0.261 2.299 15.70 3 13.45 42.7 1 0.261 3.510 15.70 4 17.88 44.6 1.3 0.245 4.381 10.20 5 21.34 46.3 1.6 0.243 5.18 9.46 Balance de energía. cp H2O = 1 cal/g°C

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termodinamica

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CAPACIDAD TRMICARESULTADOS EXPERIMENTALES.

CilindrosCilindrosmcilindros (g)Tinicial metal (C)Tinicial H2O (C)Tequilibrio (C)

1 (4.41g)14.416022.122.6

2 (4.40g)28.816222.222.8

3 (4.64g)313.456622.323.3

4 (4.43g)417.886822.123.4

5 (3.46g)521.347022.123.7

CLCULOS

Cilindrosmcilindros (g)T metal =Tinicial metal - Tequilibrio (C)T H2O =Tequilibrio - Tinicial H2O (C)Capacidad Trmica Especifica (cal/g C)Capacidad Trmica (cal/C)ERROR %

14.4137.40.50.4552.00551.64

28.8139.20.60.2612.29915.70

313.4542.710.2613.51015.70

417.8844.61.30.2454.38110.20

521.3446.31.60.2435.189.46

Balance de energa.cpH2O = 1 cal/gCcpAl = 0.220 cal/gC

% error =| Ve Vt | / Ve (100)