A known amount of heat is transferred to a sample of iron and the iron raises its temperature by 4.0 degrees Celsius. What would be the temperature increase if the same amount of heat was transferred to the same mass of water

Respuesta :

  • Given that specific heat is inversely proportional to temperature change and that water has a higher specific heat than iron, the temperature would vary by 0.42° Celsius.
  • Since mass and heat output are constant, the temperature would rise by 4° Celsius.
  • Given that the mass of the substance is inversely proportional to the change in temperature, the temperature would vary by          54° Celsius.

Define heat transfer.

  • Energy can be transferred in the form of heat through conduction, convection, and/or radiation.
  • Any time there is a temperature difference between two objects, heat transfer takes place.
  • It happens from a hot object to a cold object and happens in the direction of decreasing temperature.

Define specific heat:

  • Specific heat is defined by the amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius (°C).

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