Advertisements
Advertisements
Question
Water is used in hot water bottles for fomentation. Give a reason.
Advertisements
Solution
The reason is that water does not cool quickly due to its large specific heat capacity, so a hot water bottle provides heat energy for fomentation for a long time.
APPEARS IN
RELATED QUESTIONS
A liquid X has specific heat capacity higher than the liquid Y. Which liquid is useful as coolant in car radiators.
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?
Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.
Solve the following problem.
What is the specific heat of metal if 50 cal of heat is needed to raise 6 kg of the metal from 20°C to 62 °C?
All metals have the same specific heat capacity.
Numerical Problem.
How much heat energy is required to change 2 kg of ice at 0°C into water at 20°C? (Specific latent heat of fusion of water = 3,34,000 J/kg, Specific heat capacity of water = 4200 JKg–1K–1).
To study energy exchange between hot and cold objects, the system of both objects is isolated from the environment by keeping them inside ______.
The molar specific heats of an ideal gas at constant pressure and volume are denoted by Cp and Cv, respectively. If `gamma = "C"_"p"/"C"_"v"` and R is the universal gas constant, then Cv is equal to ______.
