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Calculate the minimum amount of water at...

Calculate the minimum amount of water at 15°C needed to cool 200g of mercury at 80°C to a temperature of 24°C (specific heat of mercury=0.033).

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41 g
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BINA LIBRARY-THERMAL PROPERTIES OF MATTER -EXERCISE
  1. A hot ball of iron weighing 200 g is dropped into 500 g water at 10°C ...

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  2. The densities of two substance are 2:3 and their specific heats are 0....

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  3. Calculate the minimum amount of water at 15°C needed to cool 200g of ...

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  4. A piece of metal weighing 50 g is heated to a temperature of 1000°C a...

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  5. How much steam at 100°C will just melt 3200g of ice at -10°C ?

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  6. Find the result of mixing 100 g of ice at -12°C with 50g of water at 9...

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  7. Calculate the amount nof heat required to change 5.0 kg of a ice to -2...

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  8. Find the time in which a layer of ice 3 cm thick on the surface of a p...

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  9. The opposite face of a cubic block of iron of cross-section 8 sq.cm ar...

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  10. Calculate the rate of loss heat through a glass window of area 1000sq....

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  11. A body which has surface area of 5.0 cm^2 and a temperature of 727 ra...

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  12. The temperature of abody is increased from 27°C to 127°C. By what fra...

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  13. A body cools from 80°C to 50°C in 5 minutes.If the temperature of th...

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  14. Two vessels of different materials are similar in size in every respec...

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  15. The temperature of a black body increases from 7°C to 287°C .The rate...

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  16. A black body has maximum omega. L.lambda m at 2000K.Its corresponding ...

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  17. Two spheres made of same meterial have radii in the ratio 1:2 both are...

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  18. A body cools from 60°C to 50°C in 10 min.if room temperature is 25°C...

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  19. A body cools from 50°C to 40°C in 5 min .Its temperature comes down t...

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  20. There is a small hole at the centre of meta disc.On heating the size o...

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