1. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/28/08
DO NOW: (5 mins)
Solving Gas Law
Problem
MINI LESSON:(10-15)
Lab Procedure
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
DO NOW ( 5 mins. )
If 50 mL of oxygen gas is compressed from 20 atm of pressure to 40 atm of pressure, what is the new volume at constant temperature?
KNOWN:
UNKNOWN:
V1=
50 mL
V2 ?
20 atm
P1=
CONSTANT:
Temperature
P2=
40 atm

2. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/27/08
DO NOW: (5 mins)
Gas Law equation
MINI LESSON:(10-15)
Guide Questions
Combined Gas
Law
Sample Problems
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
AGENDA
10/28/08
DO NOW: (5 mins)
Solving Gas Law
Problem
MINI LESSON:(10-15)
Lab Procedure.
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
P1 V1 = P2V2
T T2
P1 V1 P2 P1 V1
T2 = P2 V2 T1
V2 = P1
V1 = P2 V2 P2 P2
20 atm)
(50 mL)
(40 atm)
V2=
25 mL

3. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/27/08
DO NOW: (5 mins)
Gas Law equation
MINI LESSON:(10-15)
Guide Questions
Combined Gas
Law
Sample Problems
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
SAMPLE PROBLEMS
The pressure and temperature of a gas
are changed from STP to 22.0°C and 30.8 kPa. What will be the new volume if the original volume was 205 mL?
A gas occupies a volume of 100 mL at 620 °C (All temperatures HAVE to be converted to Kelvins ). At what temperature will the gas have a volume of 200 mL?

4. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/28/08
DO NOW: (5 mins)
Solving Gas Law
Problem
MINI LESSON:(10-15)
Lab Procedure.
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
Formula:
P1 V1 = P2V2
T T2
KNOWN:
UNKNOWN:
P1=
101.3 kPa
V2 ?
T1=
273 K
V1=
205 mL
22.o °C
+273.
= 295K
T2 =
30.8 kPa
P2 =

5. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/28/08
DO NOW: (5 mins)
Solving Gas Law
Problem
MINI LESSON:(10-15)
Lab Procedure
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
AGENDA
10/27/08
DO NOW: (5 mins)
Gas Law equation
MINI LESSON:(10-15)
Guide Questions
Combined Gas
Law
Sample Problems
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
P1 V1 = P2V2
T T2
P1V1T2
P2 T1 P1 V1
T2 = P2 V2 T1
V2 = P2 T1 P2 T1
(101.3 kPa)
(205 mL)
(295K)
(30.8 kPa)
(273 K)
V2 = mL

6. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/28/08
DO NOW: (5 mins)
Solving Gas Law
Problem
MINI LESSON:(10-15)
Lab Procedure.
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
KNOWN:
UNKNOWN:
V1=
100 mL
T2 ?
T1=
620 °C
+ 273=
+ 893K
CONSTANT:
V2=
200 mL
Pressure

7. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/27/08
DO NOW: (5 mins)
Gas Law equation
MINI LESSON:(10-15)
Guide Questions
Combined Gas
Law
Sample Problems
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
AGENDA
10/28/08
DO NOW: (5 mins)
Solving Gas Law
Problem
MINI LESSON:(10-15)
Lab Procedure.
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
P1 V1 = P2V2
T T2
V2 T1 V1 P1 V1
T2 = P2 V2 T1
T2 = V1
T2 = V2 T1 V1 V1
(200mL)
(893 K)
(100 mL)
T2=
1786 K

8. Topic: COMBINED GAS LAWS Aim : How do we use combined gas law equation to solve gas laws problems?
AGENDA
10/28/08
DO NOW: (5 mins)
Solving Gas Law
Problem
MINI LESSON:(10-15)
Lab Procedure
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
AGENDA
10/27/08
DO NOW: (5 mins)
Gas Law equation
MINI LESSON:(10-15)
Guide Questions
Combined Gas
Law
Sample Problems
G. ACTIVITY:(5-10 )
Worksheet
SUMMARY: (5 mins)
HOMEWORK(5 mins)
Homework
If 150 mL of oxygen gas is compressed from kPa of pressure to 3 atm of pressure, what is the new volume at constant temperature?