Introduction to Gas Laws

Created by:
Susan Miller
Hebrew Academy HB

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UCI Science WebQuests from all years

Suggested Grade Level: 9 to 11


California Content Standards:

Gases and their Properties 

4. The Kinetic Molecular theory describes the motion of atoms and molecules and explains the properties of gases.
As a basis for understanding this concept, students know: 
a. the random motion of molecules and their collisions with a surface create the observable pressure on that surface. 
b. the random motion of molecules explains the diffusion of gases.
c. how to apply the gas laws to relations between the pressure, temperature, and volume of any amount of an ideal gas or any mixture of ideal gases. 
d. the values and meanings of standard temperature and pressure (STP). 
e. how to convert between Celsius and Kelvin temperature scales.
f. there is no temperature lower than 0 Kelvin.
g.* the kinetic theory of gases relates the absolute temperature of a gas to the average kinetic energy of its molecules or atoms. 
h.* how to solve problems using the ideal gas law in the form PV=nRT. 
i.* how to apply Dalton's Law of Partial Pressures to describe the composition gases, and Graham's Law to describe diffusion of gases. 

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California Content Standards Grades K-12 - Science - PDF Format 

The students could use this this with the chemistry unit on Phases of Matter. 
One other note depending which text book you are using the symbol for "constant" could be a "k" or "c".

Computer literacy.
Interpreting data, making inferences, forming hypotheses, making predictions .
Effective use of Internet resources including searching and being able to recognize credible websites for sources of information.

Assessment: worksheet,  interactive quizzes and Internet activities.

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August 22, 2003