Latent Heat of Vaporisation
Trending Questions
Why does the temperature remain constant during changes of state?
Why is ice at 273 K more effective in cooling than water at the same temperature?
What produces more severe burns, boiling water or steam?
Which produces more severe burns : boiling water or steam ? Why?
Why does steam cause more severe burns than boiling water ?
When heat is constantly supplied by a burner to boiling water, then the temperature of water during vaporisation :
(a) rises very slowly (b) rises rapidly until steam is produced
(c) first rises and then becomes constant (d) does not rise at all
what will happen if salt is added to ice?
The latent heat of vaporisation of water is:
(a) 2.25×106J/Kg (a) 3.34×106J/Kg
(c) 2.25×104J/Kg (d) 33.4×105J/Kg
Why does the temperature remain constant during the boiling of water even though heat is supplied contivuously ?
Why does the temperature of a substance remain constant during the change of state?
Explain why, steam at 100∘ is better for heating purposes than boiling water at 100∘C.
Why does water at 0 degree Celsius have more energy than ice at the same temperature? Explain your answer in terms of latent heat of vaporization
Which contains more heat, 1 kg of water at 100∘C or 1 kg of steam at 100∘C? Give a reason for your answer.
What is meant by saying that the latent heat of vaporisation of water is 22.5×105J/Kg?
What produces more severe burns, boiling water or steam?
Water as ice has a cooling effect, whereas water as steam may cause severe burns. Explain these observations.
Latent heat of vaporization of two liquids a and b is 100 joule/kg and 150 joule/kg respectively which one can produce more cooling effect and why?
When water is cooled at a temperature X, it gets converted into ice at temperature X by a process called P. And when ice at temperature X is warmed, it gets reconverted into the water at the same temperature X in a process called Q.
(a) What is the value of temperature X in Kelvin?
(b) What is the process P known as?
(c) What is the name of energy released during process P?
(d) What is the process Q known as?
(e) What is the name of energy absorbed during process Q?
Water has boiling point equal to 100°C.
True
False
When water is heated to a temperature X, it gets converted into steam at temperature X by a process called R. And when steam at temperature X is cooled, it reconverted into the water at the same temperature X by a process called S.
(a) How much is the value of X in Kelvin?
(b) What is the process R called?
(c) What is the name of the energy absorbed during the process R?
(d) What is process S known as?
(e) What is the name of energy released during the process S known as?
For any substance why does the temperature remain constant during the change of state.
If the back of your hand is moistened with alcohol, you will find that it rapidly becomes dry. Why is it that while it is drying, your hand feels cool ?
Give the values for the latent heat of vaporization and latent heat of fusion of water?
What are some examples from everyday life of heat engines?
Why does our plan feel cold when we put some Acetone or perfume on it
When a liquid starts boiling, the heat supplied is absorbed as latent heat of vaporisation of the liquid
- True
- False
Particles in water at 0C have more energy as compared to particles to particles in ice at same temperature. Explain in short and simple answer...
Why a candle blows off when moving air acts on it even if it is getting more oxygen from the wind?
Explain why temperature remains constant during the inter conversion of the states of matter?
What produces more severe burns boiling water or steam)( answer in short)
