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Lesson 1: Pure Substances
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Pure Substances in Thermodynamics for GATE AEROSPACE 2019

Mansargun Kaur
I am a junior at the department of Aerospace Engineering at IIT Kanpur. I am KVPY scholar. In love with Physics.

U
Unacademy user
Very Useful,Thankyou Very much Sir
In actual life, Is air a pure substance ? (considering pollution and others affecting air mixtures)
  1. HERMODYNAMICS FOR GATE 2019 By Mansargun Kaur


  2. HI EVERYONE! I AM MANSARGUN KAUR I AM A THIRD YEAR UNDERGRADUATE AT THE DEPARTMENT OF AEROSPACE IN IIT KANPUR HTTPS://UNACADEMY.COM/USER/MANSARGUN KAUR/FOLLOWERS


  3. HERMODYNAMICS FOR GATE 2019 LESSON 1


  4. TARGET AUDIENCE THIS COURSE IS DESIGNED FOR CATEL AEROSPACE CANGIOATES AND GATE CHEMICAL CANUIDATES UNIVERSITY EXAMINATIONS LIKE STUDENTS o ALSO FOR THE STUDENTS PREPARING FOR FOREIGN 6RE IT IS ALSO TARGETED FOR 2ND AND 3RD YEAR COLLEGE


  5. PURE SUBSTANGE Pure substance: A substance that has a fixed chemical composition throughout. . Air is a mixture of several gases, but it is considered to be a pure substance. N2 AIR Nitrogen and gaseous air are pure substances


  6. VAPOR VAPOR LIQUID LIQUID (a) H20 (b) AIR A mixture of liquid and gaseous water is a pure substance, but a mixture of liquid and gaseous air is not.


  7. PHASES OF PURE SUBSTANCE The molecules in a solid are kept at their positions by the large springlike inter- molecular forces


  8. In a solid, the attractive and repulsive forces between the molecules tend to maintain them at relatively constant distances from each other.


  9. THANKS!