Ch. 13 gas test [60 points]
For problems involving calculations, show your work in an organized manner, include any relevant equation (or formula and conversion factor(s)), put the proper units in your calculations / answer, and have the proper number of significant figures in your answer.
Academic Honesty: The answers on this test are my own and I am using only the allowed set of notes as described in the syllabus. I have not discussed the test questions with anyone before or during the test nor have I seen the test questions prior to the exam. If you violate any of the preceding items or do not sign, your semester grade is a F.
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2. Gas law problems. [15 points]
3. Solve for the pressure (in atm) in condition 2 under constant n & T

Pressure (atm) 
Volume (mL) 
condition 1 
1.0 
24 
condition 2 
? 
15 
4. Solve for the volume (in mL) in condition 1 under constant n & P

Volume (mL) 
Temperature (K) 
condition 1 
? 
355 
condition 2 
235 
675 
5. Solve for the volume (in mL) in condition 2 under constant n

Pressure 
Volume (mL) 
Temperature (°C) 
condition 1 
225 kPa 
375 
45 
condition 2 
0.75 atm 
? 
85 
6. Solve. [10 points]
a.225 kPa = ___ atm
b. 2.5 atm = ___ torr
7. A 12.5 L container at 37 °C has 25 mmoles of O_{2} and 5.0 mmoles of CO_{2}. [15 points]
a. What is the partial pressure of CO_{2 }?
b. What is the total pressure ?