fedge7618 fedge7618
  • 13-03-2020
  • Physics
contestada

A 200 g piece of iron is heated to 100°C. It is then dropped into water to bring its temperature down to 22°C. What is the amount of heat transferred to water? (ciron = 0.444 J/g°C)

Respuesta :

nima0081 nima0081
  • 13-03-2020

Explanation:

  1. You should use this formula:Q=m×c×△θ
  2. m=200g
  3. c=0.444
  4. △θ=100-22=78°C
  5. Q=200×0.444×78=6926.4J
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