| EduRev Class 9 Question is disucussed on EduRev Study Group by 195 Class 9 Students. 8. This is a preview of subscription content. In the field of thermodynamics, the study of heat transfer and thermal effects is common. 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. Answers of What is latent heat of vaporization ? This service is more advanced with JavaScript available. If the new arrangement has a lower amount of thermal energy, the substance releases thermal energy to its environment. Latent Heat of Vaporization of Nitrogen is 2.7928 kJ/mol.. The types of latent heat are the latent heat of fusion, vaporization, solidification and condensation. Water has a high latent heat of vaporization, which is why steam burns are so dangerous. Specific Heat. If atmospheric air (at 101325 Pa) contains 21% oxygen and 79% nitrogen (vol. Question bank for Class 9. If the vapour pressure in the open atmosphere is 2.38 kPa atmospheric pressure is … Aug 31,2020 - What is latent heat of vaporization ? 9. latent heat graph. Not affiliated © 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. What is latent heat of vaporization ? Heat of Vaporization Definition. 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. ... - 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. 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. • agree to the. Latent heat is the heat absorbed or released as the result of a phase change. Cloudflare Ray ID: 5f89306caa6d7e13 Latent heat of vaporization is the heat energy required to change 1kg of a liquid to gas at atmospheric pressure at its boiling point. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 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. 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. It is expressed as kg/mol or kJ/kg. over here on EduRev! Not logged in EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Latent heat of vaporization is a physical property of a substance. When you will heat water it will boil at 100 c but when it is steam its tempt. The heat of vaporization of water is the most elevated known. 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. 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. When a substance changes phase, the arrangement of its molecules changes, but its temperature does not change. The heat of condensation is defined as the heat released when one mole of the... Over 10 million scientific documents at your fingertips. 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). community of Class 9. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Apart from being the largest Class 9 community, EduRev has the largest solved This discussion on What is latent heat of vaporization ? By continuing, I agree that I am at least 13 years old and have read and soon. 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. Latent heat latent heat of fusion-temp remains constant as solid changes to liquid %), what is the partial pressure of oxygen? In other words, these values are the units of heat per mass that are required to achieve the phase change. • 107.161.91.130. Latent heat of vaporization is the heat consumed or discharged when matter disintegrates, changing stage from fluid to gas stage at a consistent temperature. The Questions and Specific heat, or specific heat capacity, is a property related to internal energy that is very important in thermodynamics.The intensive properties c v and c p are defined for pure, simple compressible substances as partial derivatives of the internal energy u(T, v) and enthalpy h(T, p), respectively:

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