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Topic 1.1 IGCSE CHEMISTRY STATES OF MATTER

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Published in: Chemistry
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Here we will study about the states of matter solid , liquid ,and gases . Melting point , boiling point and freezing point and affect of the structure

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  1. L EARN EMISTRY WITH BABAR IGCSE TOPIC 1 STATES OF MATTER SLOID LIQUID AND GAS FOR CAMBRIADGE , AQA , EDXCEL AND OXFORD DETAILS STUDY OF CHEMISTRY EXAM . PH NO +95
  2. STAVES OF WHAT Matter? Matter, material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena For examle solid , liquid , gases are the example of matter
  3. HOW ANO SUBSTANCES MATTER Pure sub tances MIXTURE Compund elements
  4. OF supo Solid has a fixed shape and a fixed volume. Solid cannot be compressed. Solids have a high density. Force of attraction between the particles in a solid is very strong. The space between the particles of solids is negligible.
  5. @ It has fixed volume but not fix shape and size. Liquids are more compressible in nature than solids and less compressible than gases. Liquids have tendency to flow. @ It has moderate level of intermolecular forces, space, kinetic energy. Water is an example of liquid.
  6. OF CASES Gasses do not possess any definite volume or shape Compressibility. Particles of gas have huge intermolecular spaces in the midst of them. Expansibility. When pressure is exerted on gas, it contracts Diffusibility Low Density Exertion of Pressure.
  7. SOLID • Rigid • Fixed Shape • Fixed Volume • Cannot be squashed LIQUID Not Rigid No Fixed Shape Fixed Volume Cannot be squashed teacAoo GAS Not Rigid No Fixed Shape No Fixed Volume Can be squashed
  8. CHANGE OF STATE BOLINING POINT : @ It is the temperature at which any liquid starts to boil. The boiling point of a liquid is the temperature at which the vapor pressure of the liquid becomes equal to the atmospheric pressure. At this temperature, the liquid is converted into a vapor. For example, at sea level, the boiling point of water is 1000C but at 2000 meters altitude the boiling point is 980C.
  9. the point at which materials changes from a solid to a liquid The temperature at which solid changes its state to liquid at atmospheric pressure is called the melting point of that liquid. This is the point at which both liquid and solid phase exists at equilibrium Melting point of water iso c ; whare solid change into liquid
  10. Freezing refers to the phase change of a substance from the liquid state to a solid This is a phase change phenomenon which means that a substance is transformed from on state of matter to another state. LIQUID ex SOLID; ICE
  11. We can define sublimation as the transition of a substance from the solid phase to the gaseous phase without changing into the liquid phase. solid GASES solid is directly change into gases ; pass throgh the phase of the liquid
  12. EVAPOüVAON Evaporation can generallv be teacAoo EVAPORATION APORA
  13. LL STATES OF MATTER CHANGE IN THIS WAY Deposition Sublirnation Melting LIQUIDS
  14. AFFECT OF ANO 2. 3. ON OF GASES AS temperature increses of the gas gas molecules gain kinetic erergy so volume of the gases increase AS the pressure decrease ; the volume of the gas increases As the pressure increses ; the volume of the gases dcreases

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