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प्रश्न
Write two advantages of high specific heat capacity of water.
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उत्तर
(i) Water is used as an effective coolant in radiator of a car.
(ii) Hot water bottles are used for fomentation.
संबंधित प्रश्न
The specific heat capacity of water is :
An electric heater of power 600 W raises the temperature of 4.0 kg of a liquid from 10.0℃ to 15.0℃ in100 s. Calculate:
- the heat capacity of 4.0 kg of liquid,
- the specific heat capacity of the liquid.
Explain the meaning of green house effect.
How will you prove experimentally that different substances have different specific heat capacities?
Explain, why is water sprayed on roads in evening in hot summer?
Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.
Solve the following problem.
Specific latent heat of vaporization of water is 2.26 × 106 J/kg. Calculate the energy needed to change 5.0 g of water into steam at 100 ºC.
Write a short note.
Specific heat capacity
To study energy exchange between hot and cold objects, the system of both objects is isolated from the environment by keeping them inside ______.
The difference between the two molar specific heats of gas is 9000 J/kg K. If the ratio of the two specific heats is 1.5, calculate the two molar specific heats.
