VIRTUAL LAB 7 GASES
description
Transcript of VIRTUAL LAB 7 GASES
Copyright 2011 CreativeChemistryLessons.com
VIRTUAL LAB 7VIRTUAL LAB 7GASESGASES
VIRTUAL LAB 7VIRTUAL LAB 7GASESGASES
INTRO TO GASES SIMULATOR GASES BACK VIDEO
Copyright 2011 CreativeChemistryLessons.com
What three variables affect gases?
TEMPERATURE
PRESSURE
VOLUME
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
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 ____.
LAUNCH GAS SIMULATOR
pumppumpmoremore
pressurepressureATMATM
Copyright 2011 CreativeChemistryLessons.com
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
LAUNCH GAS SIMULATOR
spacespace
volumevolume
Copyright 2011 CreativeChemistryLessons.com
What three variables affect gases?
TEMPERATURE(Kelvin)
PRESSURE(atm)
VOLUME(L)
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
Do You Know the Name of This Band?
STPSTP
Copyright 2011 CreativeChemistryLessons.com
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..
LAUNCH GAS SIMULATOR
TemperatureTemperature
273273
PressurePressure
0011
Copyright 2011 CreativeChemistryLessons.com
STPSTP• Standard Temperature & Pressure
T
P
0°C 273K 32°F
1atm
760mmHg
101kPa
GASES BACK VIDEO
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
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
)
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
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…
Copyright 2011 CreativeChemistryLessons.com
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)
Copyright 2011 CreativeChemistryLessons.com
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
temperaturetemperature
LAUNCH GAS SIMULATOR GASES BACK VIDEO
PHOW HOT AIR BALLOONS WORKMR BEAN
CHARLES’ LAW
P
VT
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…
Copyright 2011 CreativeChemistryLessons.com
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
)
Copyright 2011 CreativeChemistryLessons.com
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
LAUNCH GAS SIMULATOR GASES BACK VIDEO
Boyle’sBoyle’s
pressurepressurevolumevolume
temperaturetemperature
RESPIRATION VIDEO
BOYLE’S LAW
BREATHOUT
T
V 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…
Copyright 2011 CreativeChemistryLessons.com
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..
LAUNCH GAS SIMULATOR GASES BACK VIDEO
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
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 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.
• What happened?What happened?
V
Gay-Lussac
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 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.
• What happened?What happened?
P
Charles
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 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.
• What happened?What happened?
T
V
Boyle
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 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.
• What happened?What happened?
T
P
Boyle
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 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.
• What happened?What happened?
V
Gay-Lussac
Copyright 2011 CreativeChemistryLessons.com
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?
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
WHAT DO THE ARROWS ACT LIKE?WHAT DO THE ARROWS ACT LIKE?
VO
LU
ME P
RE
SS
UR
E
TEMP
BOYLE’S LAW
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
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
Copyright 2011 CreativeChemistryLessons.com
THE COMBINED GAS LAW
CAN YOU MAKE ONE GAS LAW?Hint: Use one variable from each law!
T
V
Boyle
V
Gay-Lussac
P
Charles
Copyright 2011 CreativeChemistryLessons.com
THE COMBINED GAS LAW
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