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प्रश्न
What is the other name given to the principle of the mixtures?
उत्तर
The other name given to the principle of mixtures is the principle of calorimetry.
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संबंधित प्रश्न
Differentiate between heat and temperature.
A piece of copper of mass 1 kg is dropped into 2 kg of water at 15°C. If the final temperature of the mixture is 40°C, calculate the intial temperature of copper.
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Whenever mechanical work is done, .......... Is produced.
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Ice at o0C is colder than ...........at o0C.
What energy change would you Expect to take place in the molecules of a substance when it undergoes:
(i) a change in its temperature?
(ii) a change in itsstate without any change in its temperature?
Name the greenhouse gases.
A copper calorimeter of mass 50g contains 100g of water at 20°C. A metallic piece of mass 250 g is heated to 100°C and is then dropped into the calorimeter. The contents of the calorimeter are well stirred and its final highest temperature is recorded to be 28 °C. If the specific heat capacity of water is 4.2 J/g°C and of copper is 0.4 J/g°C, find:
(i) the heat gained by water,
(ii) the heat gained by calorimeter,
(iii) total heat supplied by the metal piece, and
(iv) the specific heat capacity of metal.
The process of converting a substance from solid state to gaseous state is called condensation.
Name the material used for making a Calorimeter.
