Property of gases

Property of gases - At intermediate separation the...

Info iconThis preview shows pages 1–16. Sign up to view the full content.

View Full Document Right Arrow Icon
CH1. The properties of gases Equations of state 1.1 The perfect gas equation of state 1.2 Using the perfect gas law 1.3 Mixtures of gases: partial pressures Real gases 1.9 Molecular interactions 1.10 The critical temperature 1.11 The compression factor 1.12 The virial equation of state 1.13 The van der Waals equation of state 1.14 The liquefaction of gases 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The perfect gas 2
Background image of page 2
The individual gas laws 3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4
Background image of page 4
Molar volume 5
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Gas constant 6
Background image of page 6
7
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Mixtures of gases, Dalton’s law 8
Background image of page 8
Mole fractions and partial pressures 9
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Real gases 10 Molecular interactions
Background image of page 10
11 The variations of PES of two molecules on their separation. High positive potential corresponds to repulsive interaction.
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 12
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 14
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 16
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: At intermediate separation the potential is negative. At large separation the potential is zero. The compression factor 12 Virial coefficients 13 RT pV p RT V V V Z m m o m m = = = / There is small difference between real and perfect behaviour at high T, low p Model using virial equation of state pV m / RT= (1 + Bp + Cp 2 + ) More convenient expression pV m / RT= (1 + B/V m + C/V m 2 + ) In each case Z = expression in parentheses Critical constants 14 The van der Waals equation 15 2 m m V a b V RT p--= V m = V / n 15 Solving the van der Waals equation 16...
View Full Document

Page1 / 16

Property of gases - At intermediate separation the...

This preview shows document pages 1 - 16. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online