1. To Do… Chapter 13 Lab write up due next Wednesday. OWL
Chapter 13 (part 1): Friday, 2/2
Chapter 13 (part 2): Tuesday, 2/6
Exam 1: Thursday, February 8

2. Exam 1 Thursday, February 8, 7:00 pm–8:30 pm; Rooms on the website
Conflict: February 8; 5:00 pm – 6:30 pm in 1022 Lincoln Hall; sign up in 1026 CA
Practice exam will be posted online.
See me right away if you have a conflict with the exam and conflict times.

3. P and V (KMT)

4. Applying the KMT
State two ways to accomplish this change and explain.

5. Gas Law Question
What happens to a 4.50-L balloon at 25C and 1.00 atm if you increase the temperature of the gas inside the balloon to 95C?
Use the KMT to explain why.

6. Gas Law Problem
You increase the temperature of the gas inside a 4.50-L balloon at 25C and 1.00 atm to 95C.
Solve for the new condition.

7. V vs. T(°C) (constant P, n)

8. V vs. T(K) (constant P, n)

9. P vs. V (constant n, T)

10. PV/nT for Different Gases
(all at 1 atm and 273K)
O2: Latm/molK
N2: Latm/molK
CO2: Latm/molK
NH3: Latm/molK
Ar: Latm/molK

11. Gas Law Problem
You increase the temperature of the gas inside a 4.50-L balloon at 25C and 1.00 atm to 95C.
Solve for the new condition.
“Hot He balloon”

12. Egg in a Bottle Using liquid nitrogen to cool the bottle.
What factors are changing?
What factors are staying constant?

13. Egg in a Bottle Placing a burning cotton ball in the bottle
What factors are changing?
What factors are staying constant?

14. Gas Law Question
What happens to a 4.50-L sample of gas in a steel tank at 25.0C and 1.00 atm if you increase the temperature of the gas inside the steel tank to 95C?
Use the KMT to explain why.

15. Gas Law Problem
You increase the temperature of the gas inside a 4.50-L steel tank at 25C and 1.00 atm to 95C.
Solve for the new condition.