# what is latent heat of vaporization

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... - known as latent heat since it doesn't show up as a change in temp - when heat is changing during the same phase of matter the temp will change and kinetic energy increases. The amount heat required to convert unit mass of liquid into its vapour state without change in its temperature called is latent heat of vaporization. The vaporization is the opposite process of condensation. Latent Heat of Vaporization of Nitrogen is 2.7928 kJ/mol.. Water : latent heat of fusion: 80 calories per gram (it takes 80 calories for one gram of ice at 0 ° C to turn into water), latent heat of vaporization: 540 calories per gram (it takes 540 calories for one gram of water at 100 ° C turns into steam). Your IP: 70.32.23.38 As mentioned above, water can hold an immense amount of latent heat. Not logged in When a material in liquid state is given energy, it changes its phase from liquid to vapor; the energy absorbed in this process is called heat of vaporization. agree to the. When a material in liquid state is given energy, it changes its phase from liquid to vapour without change in temperature, the energy absorbed in the process is called latent heat of vaporization. It is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure. Also known as enthalpy of vaporization, the heat of vaporization (∆H vap) is defined by the amount of enthalpy (heat energy) that is required to transform a liquid substance into a gas or vapor.It is measured in Joules … 107.161.91.130. The latent heat of vaporization is the thermal energy required for a liquid to vaporize to a gas or the amount that is released when a gas condenses to a liquid. Latent heat of vaporization is the heat energy required to change 1kg of a liquid to gas at atmospheric pressure at its boiling point. Specific Heat. Boiling point and Latent heat of Vapourization, Class 9, Science, NCERT, CBSE latent heat of fusion-temp remains constant as solid changes to liquid The heat of condensation is defined as the heat released when one mole of the... Over 10 million scientific documents at your fingertips. Aug 31,2020 - What is latent heat of vaporization ? soon. Is water vapour an ideal gas? is done on EduRev Study Group by Class 9 Students. Why? Performance & security by Cloudflare, Please complete the security check to access. over here on EduRev! Latent heat is the heat absorbed or released as the result of a phase change. Latent heat You can study other questions, MCQs, videos and tests for Class 9 on EduRev and even discuss your questions like 6. 8. The Questions and The international classification for seasonal snow on the ground prepared by the ICSI-UCCS-IACS Working Group on Snow Classification, IHP-VII Technical Documents in Hydrology, IACS Contribution, UNESCO, Paris, 2009. © Springer Science+Business Media B.V. 2011, Vijay P. Singh, Pratap Singh, Umesh K. Haritashya, https://doi.org/10.1007/978-90-481-2642-2, Reference Module Physical and Materials Science, Last Glacial Maximum Glaciation (LGM/LGP) in High Asia (Tibet and Surrounding Mountains). Part of Springer Nature. Question bank for Class 9. When you will heat water it will boil at 100 c but when it is steam its tempt. It is due to the latent heat of vaporization that steam burns are considered to be so dangerous, as compared to burns caused by hot water. It is expressed as kg/mol or kJ/kg. Latent heat of vaporization is a physical property of a substance. It is because of this latent heat that steam is more dangerous than boiling water. community of Class 9. Heat of Vaporization Definition. %), what is the partial pressure of oxygen? If atmospheric air (at 101325 Pa) contains 21% oxygen and 79% nitrogen (vol. You may need to download version 2.0 now from the Chrome Web Store. Water has a high latent heat of vaporization, which is why steam burns are so dangerous. The heat of vaporization of water is the most elevated known. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Latent heat of vaporization is the heat consumed or discharged when matter disintegrates, changing stage from fluid to gas stage at a consistent temperature. If the answer is not available please wait for a while and a community member will probably answer this Not affiliated Apart from being the largest Class 9 community, EduRev has the largest solved This is a preview of subscription content. This discussion on What is latent heat of vaporization ? Specific heat, heat of fusion and vaporization, Latent heat - Mechanical Properties of Fluids, L18 : Example latent Heat - Thermal Properties, Physics, Class 11, RD Sharma Solutions for Class 9 Mathematics, English Grammar (Communicative) Interact In English- Class 9, Class 9 Physics, Chemistry & Biology Tips & Tricks. 9. • • Cloudflare Ray ID: 5f89306caa6d7e13 When a substance changes phase, the arrangement of its molecules changes, but its temperature does not change. If the new arrangement has a higher amount of thermal energy, then the substance absorbs thermal energy from its environment in order to make the phase change. Answers of What is latent heat of vaporization ? If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.