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200 - PowerPoint PPT Presentation

Properties of Matter. Phase Changes. Energy &amp; Thermo- Dynamics. Temp. and heat. Pressure. 100. 100. 100. 100. 400. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500.

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Presentation Transcript

Properties

of Matter

Phase

Changes

Energy &

Thermo-

Dynamics

Temp.

and heat

Pressure

100

100

100

100

400

100

200

200

200

200

200

300

300

300

300

300

400

400

400

400

400

500

500

500

500

500

1, 100

1, 100

1, 200

1, 200

1, 300

1, 300

1, 400

1, 400

1, 500

1, 500

2, 100

2, 100

2, 200

2, 200

2, 300

2, 300

2, 400

2, 400

2, 500

2, 500

3, 100

3, 100

3, 200

3, 200

3, 300

3, 300

When heat flows, it always flows in this direction.

3, 400

What is from hot to cold? (everything flows from high concentration to low concentration by itself, you can think of cold as a low concentration of heat)

3, 400

3, 500

3, 500

4, 100

4, 100

4, 200

4, 200

4, 300

4, 300

This is why nothing can be cooled below absolute zero.

4, 400

What is absolute zero is the temperature all molecular motion stops, since temperature measures average kinetic energy, if there is no motion, there is no KE, and thus no temperature, and you can’t make the molecules move slower than stopped.

4, 400

This is why heat of vaporization is typically greater than heat of fusion for a particular substance

4, 500

What is to vaporize, the molecules need to gain enough energy to completely break free of and separate from neighboring molecules, while when melting, the molecules need to only gain enough energy to be able to flow passed, but still touch the neighboring molecules.

4, 500

5, 100

5, 100

Gas pressure in a closed container is caused by these.

5, 200

What are collisions between the gas particles and each other and the sides of the container?Pressure is affected by other things, but not caused by them

5, 200

5, 300

5, 300

5, 400

What are temperature and volume (Charles’ Law) and temperature and pressure (Gay-Lussac’s Law)?

5, 400

This is the final size of an air bubble if it starts out 10ml, with a temperature of 10oC and pressure of 4atm, and then proceeds to go to a location with a pressure of 2atm and temperature of 20oC.

5, 500

5, 500