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If it requires 67 J of heat to raise the temperature of a piece of iron by 5.0°C, calculate the mass of the iron. The specific heat of iron is 0.46 J/g·°C.

Respuesta :

11qq11

Explanation:

E= m.c. delta T

67 = m . 0.46. 5

m = 67/(0.46*5)

m = 67/2.3

m= 29.13 g

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