Advertisements
Advertisements
प्रश्न
Which has more heat: 1 g of ice at 0°C or 1 g of water at 0°C? Give reason.
उत्तर
1 gram of ice at 0°C requires 80 calories of heat to get converted into 1 gram of water at 0°C. So, water has more heat.
APPEARS IN
संबंधित प्रश्न
What is a calorimeter?
200 g of hot water at 80°C is added to 400 g of cold water at 10°C. Neglecting the heat taken by the container, calculate the final temperature of the mixture of water. Specific heat capacity of water = 4200 J kg-1K-1.
In an experiment. 17 g of ice is used to bring down the temp. of 40 g of water from 34°C to its freezing point. The sp. heat capacity of water is 4.25 J/g°C. Calculate sp. latent heat of ice.
Fill in the following blank using suitable word:
Steam at 100oC is hotter than water at ............
1 kg of ice at 0o is heated at constant rate and its temperature is recorded after every 30 s till steam is formed at 100o C. Draw a temperature time graph to represent the change of phase.
Why does atmospheric temperature fall after hail storm?
1 kg of steam condenses to water at 100°C. How many joules of heat energy is liberated?
250 g of water at 30 °C is present in a copper vessel of mass 50 g. Calculate the mass of ice required to bring down the temperature of the vessel and its contents to 5 °C.
Specific latent heat of fusion of ice = 336 × 103 J kg-1
Specific heat capacity of copper vessel = 400 J kg-1 °C-1
Specific heat capacity of water = 4200 J kg-1 °C-1.
Conduction is the way of heat transfer which takes place in a ______.
