virtual lab 7 gases

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VIRTUAL LAB 7VIRTUAL LAB 7GASESGASES

VIRTUAL LAB 7VIRTUAL LAB 7GASESGASES

INTRO TO GASES SIMULATOR GASES BACK VIDEO

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What three variables affect gases?

TEMPERATURE

PRESSURE

VOLUME



The Temperature VariableThe Temperature Variable

• The fire makes the particles go The fire makes the particles go _____ and the ice makes the _____ and the ice makes the particles go ______. This particles go ______. This represents the variable of represents the variable of _________ (also known as _________ (also known as _____ energy), which is _____ energy), which is measured in units of _____.measured in units of _____.

• The fire makes the particles go The fire makes the particles go _____ and the ice makes the _____ and the ice makes the particles go ______. This particles go ______. This represents the variable of represents the variable of _________ (also known as _________ (also known as _____ energy), which is _____ energy), which is measured in units of _____.measured in units of _____.

LAUNCH GAS SIMULATOR

fasterfasterslowerslower

temperaturetemperaturekinetickinetic

KelvinKelvin



The Pressure VariableThe Pressure Variable

• The _____ adds more particles The _____ adds more particles to the container, causing ____to the container, causing ____ collisions with the walls of the collisions with the walls of the container. This represents the container. This represents the variable of _______, whichvariable of _______, whichis measured in units of ____.is measured in units of ____.

• The _____ adds more particles The _____ adds more particles to the container, causing ____to the container, causing ____ collisions with the walls of the collisions with the walls of the container. This represents the container. This represents the variable of _______, whichvariable of _______, whichis measured in units of ____.is measured in units of ____.


pumppumpmoremore

pressurepressureATMATM



The Volume VariableThe Volume Variable

• The little man changes the The little man changes the amount of _____ the particles amount of _____ the particles can occupy. This represents can occupy. This represents the variable of ______, which the variable of ______, which is normally measured in units is normally measured in units of Litersof Liters

• The little man changes the The little man changes the amount of _____ the particles amount of _____ the particles can occupy. This represents can occupy. This represents the variable of ______, which the variable of ______, which is normally measured in units is normally measured in units of Litersof Liters


spacespace

volumevolume



What three variables affect gases?

TEMPERATURE(Kelvin)

PRESSURE(atm)

VOLUME(L)



Do You Know the Name of This Band?

• They are a grunge band from San Diego and their lead singer is Scott Weiland.

• They got famous in 1992 with a song called ‘Plush’ and sold 40 million albums worldwide

Play Music Video STPSTPSTPSTP



Do You Know the Name of This Band?

STPSTP



STPSTP

• STP stands for Standard STP stands for Standard _________ and _______. The _________ and _______. The value for standard temperature value for standard temperature is ___K, which is equal to is ___K, which is equal to __°C. The value for standard __°C. The value for standard pressure is __atm, which is pressure is __atm, which is equal to equal to 101 kPa101 kPa andand760 mmHg760 mmHg..

• STP stands for Standard STP stands for Standard _________ and _______. The _________ and _______. The value for standard temperature value for standard temperature is ___K, which is equal to is ___K, which is equal to __°C. The value for standard __°C. The value for standard pressure is __atm, which is pressure is __atm, which is equal to equal to 101 kPa101 kPa andand760 mmHg760 mmHg..


TemperatureTemperature

273273

PressurePressure

0011



STPSTP• Standard Temperature & Pressure

T

P

0°C 273K 32°F

1atm

760mmHg

101kPa

GASES BACK VIDEO



Water Boils

Body Temp

Room Temp

Water Freezes

Absolute Zero 0K-273°C

FahrenheitFahrenheit CelsiusCelsius KelvinKelvin

-459.4°F

273K0°C32°F

293K20°C68°F

310K37°C98.6°F

373K100°C212°F

K = °C°C + 273F = °C°C·1.8 + 32

StandardTemperatures

0°C273K32°F

StandardPressures

1atm101kPa

760mmHg



GAY-LUSSAC’S LAW:TEMPERATURE VS PRESSURE

GAY-LUSSAC’S LAW:TEMPERATURE VS PRESSURE

P

T

Temp(K)

Pressure(atm)

T X 0

T X 1/2

T X 1

T X 2

T X 3

T X 4

0 273 546 819 1092

4

3

2

1

273 1273 1

546 2546 2

819 3819 3

1092 41092 4

137 0.5137 0.5

0 00 0

PR

ES

SU

RE

TE

MP

ER

AT

UR

E

Temperature (K)

Pre

ssu

re (

atm

)



Gay-Lussac’s LawGay-Lussac’s Law

• Conclusion: __________ law Conclusion: __________ law states that at a constant states that at a constant ______, the _______ of a gas ______, the _______ of a gas will increase as itswill increase as its__________________increases. increases.

• Conclusion: __________ law Conclusion: __________ law states that at a constant states that at a constant ______, the _______ of a gas ______, the _______ of a gas will increase as itswill increase as its__________________increases. increases.

V

JosephJosephGay-LussacGay-Lussac

LAUNCH GAS SIMULATOR GASES BACK VIDEO

Gay-Lussac’sGay-Lussac’s

pressurepressurevolumevolume

temperaturetemperature

HONORS - BOILING WITH PRESSURE VIDEO

SCIENCE OF TIRE PRESSURE



GAY-LUSSAC’S LAW

V

T P


GAS LAW SUMMARYGAS LAW SUMMARY

Identify the Gas Law.Identify the Gas Law.The gas law we learned in chemistry today The gas law we learned in chemistry today was __________, which is defined as…was __________, which is defined as…

Give a real life example of the gas law.Give a real life example of the gas law.For instance, _____ is a good real life For instance, _____ is a good real life example of example of gas lawgas law because… because…

Explain additional details of your example.Explain additional details of your example.Furthermore, Furthermore, exampleexample shows shows gas lawgas law because it demonstrates…because it demonstrates…


CHARLES’ LAW:TEMPERTURE VS VOLUME

CHARLES’ LAW:TEMPERTURE VS VOLUME

P

T

Temp(K)

Volume(nm)

T X 1

T X 2

T X 3

T X 4

0 273 546 819 1092

8

6

4

2

273 2.2273 2.2

546 4.4546 4.4

819 6.6819 6.6

1092 8.81092 8.8

VO

LU

ME

TE

MP

ER

AT

UR

E

Temperature (K)

Vo

lum

e (n

m)



Charles’ LawCharles’ Law

• Conclusion: _______ law Conclusion: _______ law states that at a constant states that at a constant _______, the ______ of a gas _______, the ______ of a gas will increase as itswill increase as its_________ _________ increases.increases.

• Conclusion: _______ law Conclusion: _______ law states that at a constant states that at a constant _______, the ______ of a gas _______, the ______ of a gas will increase as itswill increase as its_________ _________ increases.increases.

Jacques CharlesJacques Charles

Charles’Charles’

pressurepressure volumevolume



PHOW HOT AIR BALLOONS WORKMR BEAN


CHARLES’ LAW

P

VT


P

V

BOYLE’S LAW:VOLUME VS PRESSURE

BOYLE’S LAW:VOLUME VS PRESSURE

Volume(nm)

Pressure(atm)

1 V

1/2 V

1/3 V

1/4 V

0 1 2 3 4 5 6 7 8 9 10

4

3

2

1

9.2 19.2 1

4.6 24.6 2

2.8 32.8 3

2.2 42.2 4

PR

ES

SU

RE

VO

LU

ME

Volume (nm)

Pre

ssu

re (

atm

)



Boyle’s LawBoyle’s Law

• Conclusion: ______ law states Conclusion: ______ law states that at constant __________, that at constant __________, the _______ of a gas will the _______ of a gas will increase as its ______increase as its ______decreases.decreases.

• Conclusion: ______ law states Conclusion: ______ law states that at constant __________, that at constant __________, the _______ of a gas will the _______ of a gas will increase as its ______increase as its ______decreases.decreases.

T

Robert BoyleRobert Boyle

V


Boyle’sBoyle’s

pressurepressurevolumevolume


RESPIRATION VIDEO


BOYLE’S LAW

BREATHOUT

T

V P


The Gas LawsThe Gas Laws

• Gay-Lussac’s Law Gay-Lussac’s Law is an direct relationship is an direct relationship (same direction) between (same direction) between PressurePressure and and TemperatureTemperature, while , while Volume is kept constantVolume is kept constant..

• Charles’ Law Charles’ Law is an direct relationship (same is an direct relationship (same direction) between direction) between VolumeVolume and and TemperatureTemperature, while , while Pressure is kept Pressure is kept constantconstant..

• Boyle’s Law Boyle’s Law is a inverse relationship is a inverse relationship (opposite direction) between (opposite direction) between PressurePressure and and VolumeVolume, while , while Temperature is kept constantTemperature is kept constant..

• Gay-Lussac’s Law Gay-Lussac’s Law is an direct relationship is an direct relationship (same direction) between (same direction) between PressurePressure and and TemperatureTemperature, while , while Volume is kept constantVolume is kept constant..

• Charles’ Law Charles’ Law is an direct relationship (same is an direct relationship (same direction) between direction) between VolumeVolume and and TemperatureTemperature, while , while Pressure is kept Pressure is kept constantconstant..

• Boyle’s Law Boyle’s Law is a inverse relationship is a inverse relationship (opposite direction) between (opposite direction) between PressurePressure and and VolumeVolume, while , while Temperature is kept constantTemperature is kept constant..


DID YOU GET IT?DID YOU GET IT? Use the whiteboard to show the gas law and draw the arrows.Use the whiteboard to show the gas law and draw the arrows.

• I bought some balloons for a I bought some balloons for a party. When I went outside, it party. When I went outside, it was really hot and my balloons was really hot and my balloons got bigger.got bigger.

• What happened?What happened?

P

Charles


• I left a bag of chips in the car on a I left a bag of chips in the car on a really hot day and when I got really hot day and when I got back the bag was ready to pop.back the bag was ready to pop.


V

Gay-Lussac


• I baked a large cake for a party, I baked a large cake for a party, but when I took it out of the oven, but when I took it out of the oven, it got small and flat.it got small and flat.


P

Charles


• I dove into the swimming pool I dove into the swimming pool with a water bottle in my hand. with a water bottle in my hand. When I got to the bottom, the When I got to the bottom, the bottle got really small.bottle got really small.


T

V

Boyle


• I went up the mountain to give I went up the mountain to give some balloons to my mother but some balloons to my mother but when I got to the top, my balloons when I got to the top, my balloons popped.popped.


T

P

Boyle


• I pumped up my ball to go play I pumped up my ball to go play soccer. I put in the garage and it soccer. I put in the garage and it rained last night. In the morning, rained last night. In the morning, my soccer ball was squishy.my soccer ball was squishy.


V

Gay-Lussac


TE

MP

PR

ES

SU

RE

GAY-LUSSAC’S LAW

VOLUME

TE

MP

VO

LU

ME

CHARLES’ LAW

PRESSURE

WHAT DO THE ARROWS ACT LIKE?WHAT DO THE ARROWS ACT LIKE?


DIRECT RELATIONSHIPDIRECT RELATIONSHIP

THE ARROWS ACT LIKE TWINS!THE ARROWS ACT LIKE TWINS!THE ARROWS ACT LIKE TWINS!THE ARROWS ACT LIKE TWINS!OLSEN TWINS VIDEO OLSEN TWINS SPOOF VIDEO


DIRECT RELATIONSHIPDIRECT RELATIONSHIP

TE

MP

PR

ES

SU

RE

GAY-LUSSAC’S LAWGAY-LUSSAC’S LAW

VOLUMEVOLUME

TE

MP

VO

LU

ME

CHARLES’ LAWCHARLES’ LAW

PRESSUREPRESSURE

1 2

1 2

P P=

T T

1 2

1 2

V V=

T T

THEY BOTH GO UP ORTHEY BOTH GO UP ORTHEY BOTH GO DOWNTHEY BOTH GO DOWNTHEY BOTH GO UP ORTHEY BOTH GO UP ORTHEY BOTH GO DOWNTHEY BOTH GO DOWN


WHAT DO THE ARROWS ACT LIKE?WHAT DO THE ARROWS ACT LIKE?

VO

LU

ME P

RE

SS

UR

E

TEMP

BOYLE’S LAW


INVERSE RELATIONSHIPINVERSE RELATIONSHIP

THE ARROWS ACT LIKE OPPOSITES!THE ARROWS ACT LIKE OPPOSITES!THE ARROWS ACT LIKE OPPOSITES!THE ARROWS ACT LIKE OPPOSITES!SPY VS SPY VIDEO


INVERSE RELATIONSHIPINVERSE RELATIONSHIP

TEMP

BOYLE’S LAW

1 1 2 2P V = P V

ONE GOES UP ONE GOES UP THE OTHER THE OTHER

GOES DOWNGOES DOWN

ONE GOES UP ONE GOES UP THE OTHER THE OTHER

GOES DOWNGOES DOWNV

OL

UM

EPR

ES

SU

RE


THE GAS LAWSTHE GAS LAWS

VO

LU

MEP

RE

SS

UR

E

TEMP

TE

MP

PR

ES

SU

RE

GAY-LUSSAC’S LAWGAY-LUSSAC’S LAW

VOLUMEVOLUME

BOYLE’S LAW

TE

MP

VO

LU

ME

CHARLES’ LAWCHARLES’ LAW

PRESSUREPRESSURE

1 2

1 2

P P=

T T1 2

1 2

V V=

T T 1 1 2 2P V = P V


THE COMBINED GAS LAW

CAN YOU MAKE ONE GAS LAW?Hint: Use one variable from each law!

GAY-LUSSAC’S LAW BOYLE’S LAWCHARLES’ LAW

1 2

1 2

P P=

T T1 2

1 2

V V=

T T1 1 2 2P V = P V



CAN YOU MAKE ONE GAS LAW?Hint: Use one variable from each law!

T

V

Boyle

V

Gay-Lussac

P

Charles



THE COMBINED GAS LAWGAY-LUSSAC’S LAW BOYLE’S LAWCHARLES’ LAW

1 2

1 2

P P=

T T1 2

1 2

V V=

T T1 1 2 2P V = P V

=P1 V1

T1

P2 V2

T2

virtual lab 7 gases

Documents

law states

comthe gas lawsgaylussacs

direct relationship

volume vs pressure0

inverse relationship

hot day

comboyles lawconclusion

comcharles lawconclusion