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प्रश्न
Write the approximate values of the specific latent heat of vaporization of steam.
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उत्तर
The specific latent heat of vaporization of steam is 22,60,000 J/kg.
संबंधित प्रश्न
In an experiment to determine the specific heat capacity of a solid following operations were
made:
Mass of calorimeter + stirrer = x kg
Mass of water = y kg
Initial temperature of water t1℃
Mass of solid = z kg
Temperature of solid = t2 ℃
Temperature of mixture = t ℃
Specific heat capacity of calorimeter and water are c1 and c2 respectively. Express the specific
heat capacity c of the solid in terms of the above data.
45 g of water at 50°C in a beaker is cooled when 50 g of copper at 18° C is added to it. The contents are stirred till a final constant temperature is reached. Calculate this final temperature. The specific heat capacity of copper is 0.39 J g-1K-1 and that of water is 4.2 J g-1K-1. State the assumption used.
Name three fossil fuels that emit carbon dioxide into the atmosphere ?
How does green house effect help in keeping the temperature of earth’s surface suitable for living of human beings?
Water boils at 120 °C in a pressure cooker. Explain the reason.
Write the approximate values of the specific latent heat of fusion of ice.
Explain, why is water sprayed on roads in evening in hot summer?
Explain, why does a wise farmer water his fields, if forecast is forst?
Calculate the amount of heat released when 5.0 g of water at 20°C is changed into ice at 0°C.
(Specific heat capacity of water = 4.2 J/g°C
Specific latent heat of fusion of ice = 336 J/g)
Which of the following substances (A, B and C) has the highest specific beat?
