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States Of Matter

Question
CBSEENCH11008083
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The compressibility factor for a real gas at high pressure is

  • 1 plus RT over pb
  • 1
  • 1 plus pb over RT
  • 1 minus pb over RT

Solution

C.

1 plus pb over RT

Vander Waal's equation for one mole of real gas is
open parentheses straight p plus straight a over straight V squared close parentheses space left parenthesis straight v minus straight b right parenthesis space equals space RT When space pressure space is space high space straight p space greater than greater than straight a over straight V squared such space that space open parentheses straight p space plus straight a over straight V squared close parentheses space equals space straight p thus comma space straight p left parenthesis straight v minus straight b right parenthesis space equals space RT pV minus pb space equals space RT pv space equals space RT space plus pb therefore space COmpressibillity space factor comma straight z space equals space pV over RT space equals space open parentheses 1 plus pb over RT close parentheses

Some More Questions From States of Matter Chapter

What is absolute temperature?

What is the absolute zero temperature?

Can absolute zero temperature be attained for a gas?

How pressure of a given sample of gas is related to absolute temperature at constant volume?

How is the pressure of a gas related to the number of molecules of the gas at constant temperature and volume?

What is standard (or normal) temperature and pressure (STP)?

What does SATP stand for? Define it.

What is the value of molar volume at STP?

What is standard molar volume?

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