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Based on your knowledge of the kinetic theory of gases, derive Graham's law [Equation (5.17)].

$$\begin{array}{l}\frac{R_{1}^{2}}{R_{2}^{2}}=\frac{M_{1}}{M_{2}} \\\frac{R_{1}}{R_{2}}=\sqrt{\frac{M_{1}}{M_{2}}}\end{array}$$

Chemistry 101

Chapter 5

Gases

Drexel University

University of Kentucky

Lectures

05:03

In physics, a gas is one of the three major states of matter (the others being liquid and solid). A gas is a fluid that does not support tensile stress, meaning that it is compressible. The word gas is a neologism first used by the early 17th-century Flemish chemist J.B. van Helmont, based on the Greek word ("chaos"), the simplest of all the elemental forms of matter.

04:46

In physics, thermodynamics is the science of energy and its transformations. The three laws of thermodynamics state that energy can be exchanged between physical systems as heat and work; that the total energy of a system can be calculated by adding up all forms of energy in the system; that energy spontaneously flows from being localized to becoming dispersed, spread out, or uniform; and that the entropy of an isolated system not in equilibrium will tend to increase over time, approaching a maximum value at equilibrium.

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