Advertisements
Advertisements
प्रश्न
The specific heat capacity of water is 1 cal/g °C.
पर्याय
Right
Wrong
Advertisements
उत्तर
The specific heat capacity of water is 1 cal/g °C- Right
APPEARS IN
संबंधित प्रश्न
The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat.
Calculate the mass of ice required to lower the temperature of 300 g of water 40°C to water at 0°C.
(Specific latent heat of ice = 336 J/g, the Specific heat capacity of water = 4.2J/g°C)
A copper vessel of mass 100 g contains 150 g of water at 50°C. How much ice is needed to cool it to 5°C?
Given: Specific heat capacity of copper = 0.4 Jg-1 °C-1
The Specific heat capacity of water = 4.2 Jg-1 °C-1
The Specific latent heat of fusion ice = 336 Jg-1
Write the expression for the heat energy Q received by the substance when m kg of substance of specific heat capacity c Jkg-1 k-1 is heated through Δt° C.
How does green house effect help in keeping the temperature of earth’s surface suitable for living of human beings?
Who shall pay carbon tax ?
What is meant by specific heat capacity?
Water boils at 120 °C in a pressure cooker. Explain the reason.
Write the approximate values of the specific latent heat of fusion of ice.
Some heat is provided to a body to raise its temperature by 25°C. What will be the corresponding rise in temperature of the body as shown on the Kelvin scale?
Water falls from a height of 50 m. Calculate the rise in the temperature of water when it strikes the bottom.
(g = 10 ms-2; Specific heat capacity of water = 4200 J / kg°C)
Express the change in internal energy in terms of molar specific heat capacity.
Which of the following substances (A, B and C) has the highest specific beat?
On supplying 100 µC of charge to a conductor, its potential rises by 5 V then capacity of the conductor is ______.
Why is water used as a coolant in radiators of a car?
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.
Observe the following diagram and answer the questions given below:
Specific heat capacity of metals
- Which element has maximum specific heat capacity? Justify.
- Which element has minimum specific heat capacity? Justify.
- Define specific heat of object.
Two blocks P and Q of different metals having their mass in the ratio 2 : 1 are given same amount of heat. Their temperature rises by same amount. Compare their specific heat capacities.
