GAS LAWS
KINETIC ENERGY/ GRAHAM'S LAW LAB

Chemistry
Block 8
April 20th, 2005

Purpose:

To observe how masses of atoms and molecules affect their rate of diffusion, and explain our observations in terms of mass, velocity, kinetic energy and temperature.

Warm-up Question:

1. What is the definition of temperature?

Temperature is a measure of the average Kinetic Energy of the particles composing a material.

2. What is the definition of diffusion?

Diffusion is a spontaneous spreading of particles until they are uniformly distributed in their container.

3. If we increase the temperature of sample of gas, then what about the gas molecules will have to change?

The gas molecules would begin to increase in speed since the temperature would increase.

4. The element iodine (I2) diffuses more slowly than ethanol (CH3CH2CH2OH). Why is this?

Iodine is heavier in atomic mass then ethanol, slowing down its process to diffuse. Iodine weighs 253.6u while ethanol......

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Title: Grahams Gas Law
Approximate Word Count: 1594
Approximate Pages: 7 (250 words per double-spaced page)

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1. Grahams Gas Law
   

   grahams gas law. GAS LAWS KINETIC ENERGY/ GRAHAM'S LAW LAB Chemistry Block
   8 April 20th, 2005 Purpose: To observe how masses of atoms ... ...