Gas Law Worksheet #2

Document Sample

```					CHEM 130                             A. Bazell                           Fall 2007
Gas L aw Wor ks heet # 2
1)   Complete the following table. Watch significant figures and units. Show your
work on the back of this handout.
P1               V1            T1            P2             V2          T2
760.0 torr        1.00 L        25.0 °C    380 mm Hg                     298.2 K

101.325 kPa       500.0 mL       127 °C     101.325 kPa      250.0 mL

1.23 atm       7.00x106 µL 250.0 °C         650.0 torr                   200.0 °C

600.0 psi         3.25 L       300.0 K                        1.75 L     100.0 °C

2)   Determine the mass of 6.00 L of ammonia gas at STP.

3)   Suppose you have a gas tight syringe with 25.0 mL of carbon dioxide at room
temperature (20.0 C). What would be the final volume if you hold the syringe
in your hand to warm it to 37.0 C?

4)   If 3.25 mol of argon occupies 100.0 L at a particular pressure & temperature,
what volume does 14.15 mol of argon under the same conditions occupy?

5)   A 0.200 g sample of a compound with the empirical formula of CHF2 occupies
0.0470 L at 298 K and 755 mm Hg.
A) What is the molar mass of the compound?

B)   What is the molecular formula of this compound?

C)   Draw a Lewis structure for this molecule and indicate the geometry of the
carbon atom.

6)   Determine the density of hydrogen sulfide gas at 27.0 C and 2.00 atm. Note:
n=m/MM

GasLaw2STUDENT.doc                                                        8/29/07

```
DOCUMENT INFO
Shared By:
Categories:
Tags: Worksheet
Stats:
 views: 49 posted: 5/13/2010 language: English pages: 1