University:
Amherst College
Course:
CHEM 151 | Introductory Chemistry
Academic year:

2010
Views:

428

Pages:

1
Author:

Ben Flynn

Chemistry 11 Fall 2010 Discussion Session 6 KMTG and Real Gases – Solutions 1. Freon-12 is CF2Cl2 (molar mass = 119.0 g/mol). 2. P1(ideal) = 123.1 atm; P1(real) = 60.6 atm P2(ideal) = 0.246 atm; P2(real) = 0.246 atm Sample 2 behaves more ideally (low pressure). 3. Note that these answers use d = 50 pm (1 pm = 10-12 m). At P = 3.0 atm, Zab = 1.0×109 collisions/s, λ = 1.3×10-6 m. At P = 3.0×10-6 atm, Zab = 1000 collisions/s, λ = 1.2 m. The results are consistent with expectations, because at lower pressure there are fewer particles per unit volume, hence fewer collisions and longer distances traveled between collisions.

Chemistry 11 Discussion Session 6 KMTG and Real Gases – Solutions

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