Advertisements
Advertisements
Question
What property of water makes it an effective coolant?
Advertisements
Solution
The high specific heat capacity of water makes it an effective coolant.
RELATED QUESTIONS
Name the S.I. unit of heat.
Differentiate between heat capacity and specific heat capacity.
The global warming has resulted:
(a) the increase in yield of crops
(b) the decrease in sea levels
(c) the decrease in human deaths
(d) the increase in sea levels
How will you prove experimentally that different substances have different specific heat capacities?
_______ is defined as the amount of heat required to raise the temperature of 1kg of a substance by 1°C.
For a gas `"R"/"C"_"v" = 0.4,` where 'R' is the universal gas constant and 'Cv' is molar specific heat at constant volume. The gas is made up of molecules which are ______.
Why is water used as a coolant in radiators of a car?
Match the following
| 1. | Specific heat capacity | a. | Dewar bottle |
| 2. | Calorimeter | b. | Lavoisier and Simon |
| 3. | Vacuum flask | c. | J Kg-1 K-1 |
| 4. | Ice – calorimeter | d. | Heat capacity |
The difference between the two molar specific heats of gas is 9000 J/kg K. If the ratio of the two specific heats is 1.5, calculate the two molar specific heats.
Calculate the amount of heat energy required to raise the temperature of 200 g of copper from 20°C to 70°C. Specific heat capacity of copper = 390 J kg-1 K-1.
