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प्रश्न
Write one characteristic property of the material chosen for making a calorimeter.
उत्तर
One characteristic of copper that makes it a good choice for a calorimeter is its low specific heat capacity.
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संबंधित प्रश्न
Define calorimetry ?
The temperature of 600 g of cold water rises by 15° C when 300 g of hot water at 50° C is added to it. What was the initial temperature of the cold water?
Fig 11. 11 shows the variation in temperature with time when some wax cools from the liquid phase to the solid phase.
(i) In which part of the curve, the wax is in liquid phase?
(ii) What does the part QS of the curve represent?
(iii) In which part of the curve, the wax will be the in the liquid as well as solid phase?
(iv) In which part of the curve, the wax is in solid phase?
1 kg of ice at 0°C is heated at a constant rate and its temperature is recorded after every 30 s till steam is formed at 100℃. Draw a temperature time graph to represent the change of phase.
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Give scientific reasons for the following:
Sand mixed with salt is often spread over the icy roads in winter.
What happens to the average kinetic energy of the molecules as ice melts at 0°C?
If you apply equal amount of heat to a solid, liquid, and gas individually, which of the following will have more expansion?
With the help of a neat diagram, explain the working of a calorimeter.
