Questions

If there are no heat losses, the heat released by the condensation of x gm of steam at 100^oC into water at 100oC can be used to convert y gm of ice at 0^oC into water at 100^oC. Then the ratio y : x is nearly

Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept

By Expert Faculty of Sri Chaitanya

1:1

2.5:1

2:1

3:1

NEW

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is D

Heat released to convert x gm of steam at 100oC to water at 100oC is x × 540 cals.If y gm of ice is converted from 0oC to water at 100oC it requires heat y×80+y×1×100=180y ∴ x×540=180y or yx=540180=31

Similar Questions

A bullet of mass 5g , Travelling with a speed of 210 m/s , strikes a fixed wooden target . One half its kinetic energy is converted in to heat in the bullet while the other half is converted in to heat in the wood. The rise of temperature of the bullet if the specific heat of the material is 0.030 cal/ $({g-}^{0} C) (1 c a l = 4.2 \times 10^{7} ergs)$ close to: