Charles’ Law Worksheet ANSWER KEY



Pressure Units ANSWER KEY

1) 73kPa

2) 3.21atm

3) 48.0torr

4) 2800mmHg

5) 304.5kPa

6) 1410mmHg

Kelvin Temp ANSWER KEY

1) 299.0K

2) -173K

3) 146K

4) 127oC

5) 408K

6) -269oC

7) 706K or 433oC

Charles’ Law Worksheet ANSWER KEY

1) 0.47 L

2) 0.71 L

3) 285 mL

4) 1.81 L

5) 2.35 L

6) 51,800 K

7) The temperature is 298.5 K = 0.50 C. A jacket would be appropriate clothing for this weather.

Boyles’ Law – ANSWER KEY

1) 2.11 atm

2) 2.0 x 105 L

3) 3.33 x 10-5 L

4) 72.7 L

5) 2.0 x 103 L

6) 600 L

7) 72 L

8) V = 0.25 L, yes

Avogadro’s Law - Answer Key

1) 21.6 L

2) 16.8 L

3) 435 L

4) 2.59g

Dalton’s Law – Answer Key

1) 9.00 atm

2) 1.20 atm He, 2.80 atm Ar

3) A. 15.00 mol B. 19.98 mol C. 34.98 mol D. don’t do

E. 0.5712 XHe F. 3.00 atm G. 4.00 atm

Gay-Lussac’s Law – Answer key

1) P2 = 1.03 atm. Therefore the ΔP = 0.03 atm.

2) 0.313 atm

3) 340.3 K (67.3 oC)

4) 634.2 mm Hg

5) 317.9 K (44.9 oC)

6) 3.31 atm

7) 1.06 x103 mm Hg

8) 173 kPa

9) 30.4 atm

Graham’s Law – Answer Key

1) He effuses 3.16x faster

2) 5000 g/mol

3) 14.2 hrs

4) 3.2 g/L

5) 5.64 x

Combined Gas Law Problems - Solutions

1) 29.6 L

2) 30.5 L

3) 2.51 atm

4) 4.74 L

5) 136 atm

6) 117 L

7) 30.3 L

8) 160 K

9) 7.41 L

Ideal Gas Law Problems – Answer Key

1) 205 K

2) 1.26 moles

3) 1.64 atm

4) 2310 L

5) 5.34 atm

6) 0.51 moles

7) 19.9 L

8) 1603 K

9) 1.62 atm

10) 143 moles

11) 0.97 L

12) 13.3 moles

Miscellaneous Problems – Answer Key

1) 313.15 K

2) 253.15 K

3) 293.15

4) -21.15 oC

5) 128.15 K

6) 24.85 oC

7) 1.053 atm, 106.7 kPa

8) 30002 mm Hg

9) 12844 mm Hg

10) 36345 Pa

11) 1.079 atm

12) 91900 Pa

13) 2840 kPa

14) 237 K

15) 1470 mm Hg

16)

A. Assuming the container is inflexible, the pressure inside the container would increase. The average kinetic energy of the particle increases, which increases the speed of the particles. The increased speed causes a greater number of collisions (with higher energy) on the inside surface of the container.

B. The particles will have a lower kinetic energy, and the volume of the gas will decrease.

C. By adding more particles, the average kinetic energy would increase due to an increased number of collisions. Since temp. is directly related to average kinetic energy, the gas would have to be cooled to keep P & V constant.

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