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4 days ago · The latent heat of vaporization is the amount of heat required to convert a unit mass of a liquid into a vapor without a temperature change. Steam holds more energy per pound than water. If we first look at water at 32 degrees Fahrenheit and the energy it takes to get that 1 pound of water to the boiling point of 212 degrees Fahrenheit, and then convert that pound of water to vapor we’ll understand the differences.
5 days ago · Hint: Consider latent heat of vaporization of water. It is the amount of heat energy needed to change the state of one mole (or one kilogram) of water, from liquid to gas, without changing the temperature. For water, the latent heat of vaporization is 40.8 kJ/mol. Complete answer: During evaporation, water changes its physical state from liquid ...
Jun 29, 2024 · Specific latent heat of fusion is the quantity of heat required to transit the phase of 1 g of solid into liquid at constant temperature. Unit of latent heat is J/kg in the SI system and cal/g in the CGS system. For ice its value is 3.36 ×105J/kg 3.36 × 10 5 J / k g in SI-Units or 80cal/gram 80 c a l / g r a m in CGS units.
Jun 26, 2024 · Assuming no backward heat transfer from the atmosphere to the water, calculate the time in which the temperature decreases by ${{5}^{0}}C$. Specific heat capacity of water $=4200J.k{{g}^{-1}}{{K}^{-1}}$ and latent heat of vaporization of water $=2.27\times {{10}^{6}}J.k{{g}^{-1}}$
Jun 29, 2024 · For boiling and melting, heat is absorbed while for freezing and condensation heat is released. (b) Specific latent heat of vaporization: Specific latent heat of vaporization is the amount of heat absorbed by some liquid at its boiling temperature to vaporize i.e. to change its state to liquid to vapor or gas.
3 days ago · The amount of heat required to break the hydrogen bonding is the latent heat of vaporization. Water has a latent heat of vaporization value equal to $\text{ 40}\text{.65 kJ /mol }$ . Thus water requires a definite amount of energy for the change in the phase of water. As the water heats up the heat energy is required to break the hydrogen ...
3 days ago · Heat required in converting 1g of ice at $-10{}^{\circ }C$ into steam at $100{}^{\circ }C$ is: Latent heat of fusion = 80 cal/g Latent heat of vaporization = 540 cal/g.
