# March 2, 2015 © 2013 S. Coates Homework: Study for Quiz tomorrow- Bring textbook & Gas Laws Magic Square sheet Presentations Friday & Mon. Do Now: *Agenda-

## Presentation on theme: "March 2, 2015 © 2013 S. Coates Homework: Study for Quiz tomorrow- Bring textbook & Gas Laws Magic Square sheet Presentations Friday & Mon. Do Now: *Agenda-"— Presentation transcript:

March 2, 2015 © 2013 S. Coates Homework: Study for Quiz tomorrow- Bring textbook & Gas Laws Magic Square sheet Presentations Friday & Mon. Do Now: *Agenda- Write H.W Take out Phase Change Study guide Review with a partner- circle any you have questions on

B OYLE ’ S L AW R EVIEW Pressure increases (goes up, is higher) Volume decreases (goes down, gets lower) When the temperature is kept the same (is held constant) © 2013 S. Coates http://www.grc.nasa.gov/WWW/K-12/airplane/Animation/frglab2.html

V= Volume i = inverse relationship (indirectly proportional) as one increases the other decreases P= Pressure

http://gallery.photo.net/photo/9734756-lg.jpg http://www.gettyimages.com/detail/91300130/Photographers-Choice The amount of water pressure determines the size of bubbles in the water. © 2013 S. Coates

Pressure vs. Temperature What causes gas Pressure? Gas particles colliding with the walls of their container When the temperature increases- –H–Heat is added and the particles… move faster and collide with the walls of the container more often © 2013 S. Coates

http://www.grc.nasa.gov/WWW/K- 12/airplane/Animation/frglab2.html http://www.grc.nasa.gov/WWW/K- 12/airplane/Animation/frglab2.html Animated Gas Lab- Pressure verses temperature http://education- portal.com/academy/lesson/gay-lussacs-law-gas- pressure-and-temperature-relationship.html http://education- portal.com/academy/lesson/gay-lussacs-law-gas- pressure-and-temperature-relationship.html Video explainataion © 2013 S. Coates

Relating Pressure and Temperature When the volume of a gas is kept constant (the same) Pressure increases (gets higher) Temperature increases (gets higher) --- Look at Figure 18 in your Textbook on page 59 The number of gas particles in each container is the same… 1) Which Container is at Higher Pressure? 2) Why does this container have a higher gas pressure?

Pressure vs. Temp. © 2013 S. Coates

March 3, 2015 Homework: Bring Textbook tomorrow and Magic Square sheet- Presentations on Friday- Power points 5 minutes each Do Now: Agenda- Write H.W Clear Desk of everything except a writing utensil (pencil or blue or black ink pen ONLY!)

Pressure vs. Temperature What causes gas Pressure? Gas particles colliding with the walls of their container When the temperature increases- ◦H◦H eat is added and the particles… move faster and collide with the walls of the container more often © 2013 S. Coates

http://www.grc.nasa.gov/WWW/K- 12/airplane/Animation/frglab2.html http://www.grc.nasa.gov/WWW/K- 12/airplane/Animation/frglab2.html Animated Gas Lab- Pressure verses temperature http://education- portal.com/academy/lesson/gay-lussacs-law- gas-pressure-and-temperature- relationship.html http://education- portal.com/academy/lesson/gay-lussacs-law- gas-pressure-and-temperature- relationship.html Video explainataion © 2013 S. Coates

Relating Pressure and Temperature When the volume of a gas is kept constant (the same) Pressure increases (gets higher) Temperature increases (gets higher) --- Look at Figure 18 in your Textbook on page 59 The number of gas particles in each container is the same… 1) Which Container is at Higher Pressure? 2) Why does this container have a higher gas pressure?

Pressure vs. Temp. © 2013 S. Coates

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