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An unknown material with a mass of 1 kg is heated from 600C to 1000C. The amount of heat energy required was 15.2 kJ. Calculate the specific heat and identify the material.

An unknown material with a mass of 1 kg is heated from 600C to 1000C. The amount of heat energy required was 15.2 kJ. Calculate the specific heat and identify the material.

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An unknown material with a mass of 1 kg is heated from 600C to 1000C. The amount of heat energy required was 15.2 kJ. Calculate the specific heat and identify the material.
Transcribed Image Text:An unknown material with a mass of 1 kg is heated from 600C to 1000C. The amount of heat energy required was 15.2 kJ. Calculate the specific heat and identify the material.
Expert Solution
Introduction:
  • Whenever a system undergoes temperature change there will be a change in heat energy. This change in heat energy depends on three factors, the temperature change of the system, the mass of the system, and the substance that undergoes the temperature change.

 

  • The quantitative relationship between heat energy Q and the three parameters is given by,

Q=mcΔT

Here m is the mass of the system, c is the specific heat or the amount of heat required to change the temperature of 1 kg of mass by 1oC, and ΔT is the temperature change.

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