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Temperaturas 1- 75.2. 2- 75,0 3- 75,2 4- 75,4 5- 75,4 6- 73,2 7- 67,4 8- 67,2 9- 67,2 10- 67,2 11- 67,8 12- 67,6

Temperaturas

1- 75.2. 2- 75,0 3- 75,2 4- 75,4 5- 75,4 6- 73,2 7- 67,4 8- 67,2 9- 67,2 10- 67,2 11- 67,8 12- 67,6 13- 67,6 14- 68,0 15- 68,0

50ml de agua

4g de bicarbonato de sodio

a ) molaridad del bicarbonato de sodio

b ) encontrar el cambio mximo de temperatura

c ) calcule el flujo de calor usando la ecuacin de capacidad calorfica, q= C p *m* deltaT , suponga que C p =4.18 J/(g*k), m es la masa de agua utilizada (densidad del agua= 1.0 g/ ml)

d ) determinar la entalpa molar de disolucin (se puede encontrar dividiendo el calor por el nmero de moles de bicarbonato de sodio)

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