endinn63 endinn63
  • 25-04-2018
  • Physics
contestada

How much heat is absorbed by a 74g iron skillet when its temperature rises from 7oC to 28oC?

Respuesta :

Blitztiger
Blitztiger Blitztiger
  • 26-04-2018
The specific heat of iron (assuming the skillet is pure iron) is 0.45 J/g-C. Then we use the equation q = mc(dT) to determine the total heat absorbed. This gives:
q = (74 g)(0.45 J/g-C)(28 - 7 C) = (74)(0.45)(21) = 699.3 J

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