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Explain the significance of ven der walls parameters.a) why z is one for ideal gas b) wen der walls equation for n molesC) why z>1 for h2 and he

samar Pradhan , 8 Years ago
Grade 11
anser 1 Answers
Vikas TU

Last Activity: 8 Years ago

Z=1  for ideal gases s the ideal gases behave ideally at very very Low pressure with very large volume.
Hence PV = RT.
 
For z greater than 1 the pressure is too much high.
Hence at very high pressure for He and H2 ‘a’ constant is negligible because size of H2 and He is very small
 
For z lying b/w 0 to 1 the pressure is moderate and Volume is large.

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