Explain The Procedure Of Finding Specific Heat Of Solid Experimentally?

Specific heat is the quantity of heat required to raise the temperature of any substance by 1 degree Celsius.

Specific Heat formula is

C= \(\frac{\Delta Q}{m \Delta T}\)

Where,

m is the mass

Δ Q is the heat gained or lost

Δ T is the temperature difference

Specific heat capacity

 

The procedure to determine the specific heat capacity of a solid:

  • A calorimeter measures the specific heat capacity of a solid.
  • Arrange all the apparatus as shown in the above diagram.
  • Place the thermometers A and B in a beaker containing water and make a note of their reading.
  • Allow thermometer A to be a standard to find the correction that is to be applied to thermometer B
  • Place the thermometer B into the copper tube of a hypsometer containing the powder of the given solid.
  • Now place the hypsometer on the burner by adding a sufficient amount of water.
  • Record the weight of calorimeter along with stirrer and lid over it
  • Make a note of the temperature. Add water when the temperature is between 5℃ to 8℃ and up to the half-length of the calorimeter
  • Record the weight of calorimeter along with stirrer and lid over it
  • Heat the hypsometer till the temperature of the solid is steady.
  • Note the temperature of water in calorimetry.
  • Add solid powder from the hypsometer into the calorimeter
  • Record the final temperature of the mixture.
  • Remove the thermometer from the calorimeter and weigh the calorimeter with the contents and lid.
  • Now, as per the obtained values, calculate the specific heat capacity of a solid.

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