Table of Contents
- 1 How much energy is transferred when 1gm of boiling water at 100 C condenses to water at 100C?
- 2 How much energy is released or absorbed when 1gm of steam at 100 C turns ice at 0 C?
- 3 How much energy is released or absorbed when 1gm of water at 0c freezes ice at 0c?
- 4 How much heat is released when 100g of water at 100c condenses?
- 5 What are the applications of specific heat capacity?
- 6 Why is steam hotter than boiling water at 100 degrees?
- 7 What is the weight of steam required to boil ice?
How much energy is transferred when 1gm of boiling water at 100 C condenses to water at 100C?
The energy transferred when 1 gm of boiling water at 100C condenses to water at 100C is equal to the latent heat of vapourisation of water which is equal to 2260 Joule.
How much energy is released when 1 gram of steam condenses to water at 100 degrees C?
2260 J of heat must be absorbed by the water. Conversely, when 1 g of steam at 100 ºC condenses to give 1 g of water at 100 ºC, 2260 J of heat will be released to the surroundings.
How much energy is released or absorbed when 1gm of steam at 100 C turns ice at 0 C?
Hence, energy released when 1gm of steam at 100oC turns to ice at 0oC = 540 + 100 + 80 = 720cal.
How much energy is transferred boiling?
Answer : when 1 g of boiling water at 100oC condense to water at 100oC there is no change in temperature and the energy transferred is given by the latent heat of vaporization of water which is equal to 2260 Joule.
How much energy is released or absorbed when 1gm of water at 0c freezes ice at 0c?
The latent heat of fusion of water at 0°C is 334 Joules per gram of water. Hence the energy released when 1gm of water at 0°C freezes to ice at 0°C is 334 J.
How much heat is released when the steam condenses?
When steam condenses to liquid water, 2.26 kJ of heat is released per gram.
How much heat is released when 100g of water at 100c condenses?
When 1 mol of water vapor at 100°C condenses to liquid water at 100°C, 40.7 kJ of heat are released into the surroundings….Heat of Vaporization and Condensation.
Substance | (kJ/mol) | (kJ/mol) |
---|---|---|
Water (H 2 O) | 6.01 | 40.7 |
How can you say temperature is measure of thermal equilibrium?
The thermal energy will flow in that direction until the two objects are at the same temperature. When the two systems in contact are at the same temperature, we say they are in thermal equilibrium.
What are the applications of specific heat capacity?
Uses of specific heat in daily life Substances having a small specific heat capacity, are very useful as material in cooking instruments such as frying pans, pots, kettles and so on, because, when small amount of heat is applied it will heat quickly. Water used in fire fighting.
What happens when you heat water to 100 degrees Celsius?
When heat is added to a pure body of water at 100° Celsius the temperature does not change. What happens instead is that the water beings to boil. This example is known as a change of state or a phase change.
Why is steam hotter than boiling water at 100 degrees?
The extra energy needed to change boiling water into steam, heat of vaporization, makes steam at 100 degrees Celsius carry more heat energy than boiling water at 100 degrees Celsius. Both are the same temperature but steam at 100 degrees Celsius will cause worse burns than boiling water at 100 degrees Celsius because of that extra heat.
How much energy does it take to convert water to steam?
To convert 100.0 g of water at 20.0 °C to steam at 100.0 °C requires 259.5 kJ of energy.
What is the weight of steam required to boil ice?
Thus, one-eighth of the weight of ice is the weight of steam required. The values will not change if the values are taken in either cal/kg or Joule/gm or joule/kg. How much amount of heat is required to convert 1 gram of ice at 0 degree Celsius into steam at 100 degree Celsius? Why does water not always boil at 100 degrees Celsius?
What is the specific heat of steam and water?
specific heat of water = 4.18 J/g·°C. specific heat of steam = 2.09 J/g·°C. Solution: The total energy required is the sum of the energy to heat the -10 °C ice to 0 °C ice, melting the 0 °C ice into 0 °C water, heating the water to 100 °C, converting 100 °C water to 100 °C steam and heating the steam to 150 °C.