Specific heat capacity is the amount of energy needed to raise the temperature. Hundreds of videos arranged by topic, so you have everything you need to. Specific latent heat exam question miss wises physics site. Covering the main exam boards, revision is made easy for students with a free onthego app, practice questions and stepbystep support. In this video, we look at specific latent heat of fusion and specific latent heat of vaporisation. Aqa gcse physics oxford text book robert smyth academy. Ideal for assessment, feedback, homework, independent study and revision. Oxford cambridge and rsa gcse 91 physics b twenty first. Some of the material is first year degree standard and is quite involved for both for maths and physics. Determining the specific heat capacity of a material. Gcse physics specification specification for first. Physics single science physics is the study of energy, forces, mechanics, waves, and the structure of atoms and the physical universe. Different substances have different latent heat of fusion.
Pearson edexcel level 1level 2 gcse 9 1 in physics 1ph0. Learn about and revise the relationship between temperature and energy and also about changes of state with gcse bitesize physics. Latent heat definition, types, formula, fusion and vaporization. Cambridge igcse physics coursebook second edition by. Specific heat capacity and latent heat questions a2 physics loj 2010. Specific latent heat energy, temperature and change of. The heat of vaporization of water is the most elevated known.
Edexcel gcse physics 91 topic tests specific latent. Q coffee this mixing problem is more complicated than the ones in the previous section, however. Latent heat is the amount of energy that is realised or absorbed by a substance in the form of heat when it is changing state. The latent heat of fusion will be the amount of thermal energy required to change a solid into a liquid, or vice versa. We can use the table table 1 above and the equations below to calculate specific latent heat. New gcse aqa physics lesson on latent heat written in line with new aqa physics specification.
Gcse edexcel physics help please finding specific latent heat of vaporization. Thermal physics heat temperature specific heat capacity specific latent heat 2. Gcse 91 physics b twenty first century science j25904 depth in physics higher tier. Physics formula revision conditions highlighted in red draft ver topic. The first figure or page number always refers to the gcse physics book. Heating and insulating buildings p3 energy resources 1. Primrose kitten youtube tutorials for chemistry, physics and maths. Harpercollinspublishers 2018 physics set a paper 1 3 02 coconut oil, used in cooking, changes from a solid to a liquid when it is heated.
Latent heat can be measured from a heating or cooling. Help with physics question aqa gcse physics 8463 paper 1 22nd may 2019 do any of you know about the new curriculum physics p1 ocr gateway science physics paper 1 2019 aqa gcse. Physics notes form 3 free download kcse revision notes pdf. The heat capacity of a substance is the work done raising the temperature of the substance by 1 kelvin. Heat absorbed or released as the result of a phase change is called latent heat. Cambridge igcse physics past paper questions and answers. If we think about substances at a molecular level, gaseous molecules have more vibration than liquid molecules. Edexcel gcse physics 91 topic test specific latent heat. The heat of vaporization is characterized as the measure of heat expected to transform 1 g of a fluid into a fume, without an. Specific heat capacity 12 ib physics, gcse, a level, up next autoplay 7.
Rotate to landscape screen format on a mobile phone or small tablet to use the mathway widget, a free math problem solver that answers your questions with stepby. The latent heat per unit mass of the substance is known as latent heat capacity. Latent heat is the heat energy per mass unit required for a phase change to occur. A hyperlinked pdf of the book text plus examples for class room projection is available on the books web pages. Investigate the properties of water by determining the specific heat capacity of water and. A fluid with tiny particles visible in a microscope can show brownian motion. Physics 0608 the 1st law of thermodynamics and simple processes. This presentation covers ocr gateway physics 91 p1.
Specific latent heat calculation practice for gcse. The latent heat of vaporization is the amount of thermal energy required to change a liquid into a gas, and. In an experiment to find the specific latent heat of fusion of ice, an electric heater, of power. Scroll down the page for lessons and examples for the following topics. Latent heat definition, types, formula, fusion and. Learn specific heat physics with free interactive flashcards. Use the correct equation from the physics equations sheet. The amount of heat required to change the state of unit mass of a solid to liquid at constant temperature at its melting point or vice versa is known as latent heat capacity of fusion or solidification. So the specific latent heat of fusion lf is the thermal energy needed to cause 1kg of a substance to melt or freeze.
The two main types of latent heat are latent heat of fusion melting substance and latent heat of vaporisation boiling substance. This is a gcse worksheet from flipped around physics, on specific latent heat. Aqa physics exam style questions p6 molecules and matter. The energy released comes from the potential energy stored in the bonds between the particles. Pdf specific heat capacity, specific latent heat, vapour pressure, refrigeration, boiling and melting. Gcse physics required practical activities practicals. The size of the change required depends on each materials heat.
Jul 27, 2016 specific latent heat calculation practice for gcse. Ive also included a video that ive made to explain the idea of heating an ice cube and its change of states. Specific latent heat 91 gcse physics ocr, aqa, edexcel. The course should teach candidates how to make measurements using many different types of instruments. Usually this is changed to 1c, although 1 celsius degree would be more correct. In kinematics forces causing motion are disregarded while dynamics deals with motion of objects and the forces causing them. Pdf latent heat transfer download full pdf book download.
Jul 31, 2017 in this video, we look at specific latent heat of fusion and specific latent heat of vaporisation. The heat gained by the ice will be equal to the heat lost by the coffee. If you enjoy physics then find hundreds more videos at a level physics. A hyperlinked pdf of the book text plus examples for class room projection is available on the book s web pages. The specific latent heat is the energy required to change the state of 1 kg of that substance.
Specific latent heat aqa gcse physics single science revision. Specific heat capacity and latent heat a change in a materials state of matter is caused by changes to the internal energy. A series of free gcseigcse physics notes and lessons with examples and solutions. Liquid specific latent heat of vaporisation j per gram water 2300 alcohol 950 suggest why it takes more energy to evaporate 1 gram of water than it does to evaporate 1 gram of alcohol. If it is measured for unit mass ie 1 kg it is called the specific heat capacity. Gcseigcse physics solutions, examples, worksheets, videos. This heat energy which brings out a change in state is known as latent heat. This equation and specific heat capacity are also included in energy changes in systems page 19. The released and absorbed thermal energy during a change of state is the latent heat q of the substance.
Determination of specific heat capacity bbc bitesize. Choose from 500 different sets of specific heat physics flashcards on quizlet. Gcse, additional gcse, igcse and international cieedexcel o level. Gcse 91 extra papers, questions and answers physics brand new gcse revision guides and exam practice books are written by experts and fully matched to the new gcse 9 1 specifications. Heres a worksheet with solutions for a lesson on latent heat and energytemperature graphs heating curves and cooling curves. P6 aqa physics exam style questions p6 molecules and matter. Every substance has a latent heat of fusion and vapourization. Designed for engineering graduate students who will later be required to work in industrial or environmental settings where latent heat transfer is important.
An example of latent heat fusion is an ice cube at room temperature. Aqa gcse physics 91 the ultimate site for anyone taking combined trilogy or physics gcses. Download here parts of preuniversity mathematics for sciences. One of a series of 20 tests written specifically for edexcel gcse physics. They should see the instruments, handle them, discuss their scales and the scale units before using the instruments. Lastly, the specfic latent heat of vapourization lv is the thermal energy required for 1kg of the substance to boil or condense. It covers rearranging and using the equation for specific latent heat. The heater is switched on and after 120 s the water reaches boiling point. In order to calculate the specific latent heat l of ice, consider the heat balance where. Jun 01, 2017 gcse science physics paper 1 calculation practice. Physics 0609 the 2nd law of thermodynamics and heat engines. There is no temperature change during a phase change, thus there is no change in the kinetic energy of the particles in the material. Aqa gcse physics student book sample chapter by collins issuu. Latent heat of vaporization is the heat consumed or discharged when matter disintegrates, changing stage from fluid to gas stage at a consistent temperature.
Worksheet answers are available from the worksheet is designed to be used in a flipped learning setting. Specific heat capacity and latent heat questions a2 physics. We look at what these mean and then go on to calculate these. The specific latent heat of fusion of stearic acid is 199 000 jkg. Cambridge igcse physics 0625 past paper questions and answers. Aqa gcse physics oxford text book p1 conservation and dissipation of energy 1. Included are the content pages, introduction, and the first two chapters, that is the most elementary levels 1 and 2 from isaac end of gcse and start of alevel. Describe and explain the terms heat energy and temperature. Cambridge igcse physics workbook cambridge education cambridge university press samples. Specific latent heat calculations teaching resources. Gcse science physics 91 specific latent heat youtube. Gcse physics specific latent heat textbook question the.
The important mathematical principles, particularly concerning probability and statistics, are expounded. The aim of this book is to provide an introduction to the key concepts in thermal physics. Igcse thermal physics revision specific heat capacity. Explain what brownian motion is and how it can be observed. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1. The book says the specific latent heat of vaporisation of water should.
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