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…continuation of Chapter 5: Gases

…continuation of Chapter 5: Gases. NH 4 Cl. r 1. r 2. . M 2. M 1. Gas diffusion is the gradual mixing of molecules of one gas with molecules of another by virtue of their kinetic properties. =. NH 3 17 g/mol. HCl 36 g/mol. 5.7. r 1. r 1. t 2. r 2. r 2. .

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…continuation of Chapter 5: Gases

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  1. …continuation of Chapter 5:Gases

  2. NH4Cl r1 r2  M2 M1 Gas diffusion is the gradual mixing of molecules of one gas with molecules of another by virtue of their kinetic properties. = NH3 17 g/mol HCl 36 g/mol 5.7

  3. r1 r1 t2 r2 r2  Nickel forms a gaseous compound of the formula Ni(CO)x What is the value of x given that under the same conditions methane (CH4) effuses 3.3 times faster than the compound? t1 M2 M1 2 ) ( x M1 M2 = Gas effusion is the is the process by which gas under pressure escapes from one compartment of a container to another by passing through a small opening. = = r1 = 3.3 x r2 = (3.3)2 x 16 = 174.2 x = 4.1 ~ 4 58.7 + x • 28 = 174.2 M1 = 16 g/mol 5.7

  4. n = = 1.0 PV RT Deviations from Ideal Behavior 1 mole of ideal gas Repulsive Forces PV = nRT Attractive Forces 5.8

  5. Effect of intermolecular forces on the pressure exerted by a gas. 5.8

  6. ( ) P + (V – nb) = nRT } } corrected pressure corrected volume an2 V2 Van der Waals equation nonideal gas 5.8

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