Untitled - Kelly Walsh High School

Gases 95
ANSWER KEY
1. PTotal PA PB PC . . .
2.
3. PV nRT
4. 1atm 760 mm Hg 760 torr 1.01325 105 P1 V1
T1 Pa (or 101.325 kPa)
5. n PV/RT
(T1 )(P2 )(V2 )
6. T2
(P1 )(V1 )
P2 V2 T2 7. a. I b. D c. I d. I e. D
8. T2 193 K, 193 K 273 80.C
(795.0 torr) (1250.0 mL) (298 K)
9. P2
a
(1.000 L) (273 K)
1.43 atm
103L 1 atm
ba
1mL 760 torr b
(T1 )(V2 ) (300. K) (10.00 L)
(V1 ) (15.55 L)
(P1 )(V1 )(T2 )
(V2 )(T1 )
(P1 )(V1 )(T2 )
10. V2
(P2 )(T1 )
1.35 L
11. r /r (0.3238 mL/s)/(0.1516 mL/s)
O2 unk 2Munk /MO2 2Munk /32.00 g/mol Munk 146.0 g/mol
12.
[(875 24) torr] (8.25 L) 1 atm
a
L atm
760 torr
a0.0821 b (298 K)
mol K ba2 mol NaN3 ba
3 mol N2 65.0 g NaN3 b
mol NaN3 16.4 g NaN 3
(225.0 mmHg) (5.000 L) (273 K)
(1.000 atm) (300. K)
1 atm
a
760 mmHg b