Advertisements
Advertisements
Question
Ice cream appears colder to the mouth than water at 0℃. Give reason.
Advertisements
Solution
This is because 1 g of ice at 0°C takes 336 J of heat energy from the mouth to melt at 0°C. Thus, mouth loses an additional 336 J of heat energy for 1 g of ice at 0°C than for 1g of water at 0°C. Therefore, cooling produced by 1 g of ice at 0°C is more than for 1g of water at 0°C.
APPEARS IN
RELATED QUESTIONS
What do you understand by the following statements:
The heat capacity of the body is 60JK-1.
What do you understand by the following statements:
The specific heat capacity of lead is 130 Jkg-1K-1.
Write the approximate value of specific heat capacity of water in S.I. unit.
What do you mean by the following statement?
The heat capacity of a body is 50 JK-1?
State the impact of global warming on life on the earth.
Who shall pay carbon tax ?
The substances like water which have ........... Heat capacity warm up more slowly than substances like iron which have .......... heat capacity.
A liquid X has specific heat capacity higher than the liquid Y. Which liquid is useful as heat reservoir to keep juice bottles without freezing?
An electric immersion heater is rated 1250 W. Calculate the time in which it will heat 20 kg of water at 5°C to 65°C.
What is specific heat capacity?
