Advertisements
Advertisements
प्रश्न
Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means ______.
पर्याय
Substance X absorbs 1900 J for 1°C rise in temperature
1 kg of substance X absorbs 1900 J heat for 1°C rise in temperature
1 kg of substance X absorbs 1900 J heat to increase the temperature
1 kg of substance X absorbs 1900 J heat to cool down by 1°C
Advertisements
उत्तर
Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means 1 kg of substance X absorbs 1900 J heat for 1°C rise in temperature.
Explanation:
According to the definition of specific heat capacity.
APPEARS IN
संबंधित प्रश्न
104g of water at 30°C is taken in a calorimeter made of copper of mass 42 g. When a certain mass of ice at 0°C is added to it, the final steady temperature of the mixture after the ice has melted, was found to be 10°C. Find the mass of ice added. [Specific heat capacity of water = 4.2 Jg–1°C–1 ; Specific latent heat of fusion of ice = 336 Jg–1; Specific heat capacity of copper = 0.4 Jg–1°C–1] .
Give two reasons as to why copper is preferred over other metals for making calorimeters.
63.2 g of copper at 50°C can just melt 3.8g of ice. If the specific latent heat of ice is 336 J/g, find the specific heat capacity of copper.
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)
Decide the unit for specific heat capacity.
_______ is defined as the amount of heat required to raise the temperature of 1kg of a substance by 1°C.
The heat capacity of the vessel of mass 100 kg is 8000 J/°K. Find its specific 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.
A block of ice of mass 120 g at temperature 0°C is put in 300 gm of water at 25°C. The xg of ice melts as the temperature of the water reaches 0°C. The value of x is ______.
[Use: Specific heat capacity of water = 4200 Jkg-1K-1, Latent heat of ice = 3.5 × 105 Jkg-1]
Thermal capacities of substances A and B are same. If mass of A is more than mass of B then:
Which substance will have more specific heat capacity?
