Advertisements
Advertisements
Question
Explain the term boiling point ?
Advertisements
Solution
Boiling point : The particular temperature at which vaporization occurs is called the boiling point of liquid .
RELATED QUESTIONS
Water in lakes and ponds do not freeze at once in cold countries. Give a reason is support of your answer.
Ice cream appears colder to the mouth than water at 0℃. Give reason.
Without green house effect, the average temperature of earth’s surface would have been:
(a) – 18℃
(b) 33℃
(c) 0℃
(d) 15℃
Equal heat is given to two objects A and B of mass 1 g. Temperature of A increases by 3°C and B by 5°C. Which object has more specific heat? And by what factor?
Explain, why water is considered as best liquid for quenching thirst?
A vessel of negligible heat*capacity contains 40g of ice in it at 0°C, 8g of steam at 100°C is passed into the ice to melt it. Find the final temperature of the contents of the vessel.
(Specific latent heat of vaporization of steam = 2268 J/g, specific latent heat of fusion of ice = 336 J/f and specific heat capacity of water = 4.2 J/g°C)
Write the name.
The amount of heat absorbed at constant temperature by unit mass of a liquid to convert into gaseous phase.
Numerical Problem.
What could be the final temperature of a mixture of 100 g of water at 90 °C and 600g of water at 20°C.
A piece of lead weighing 500 g gives out 1200 calories of heat when it is cooled from 100° C to 20° C. Find its specific heat.
A metal ball of heat capacity 50J/°C loses 2000 J of heat. By how much will its temperature fall?
