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Week 9 Lab

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Subject
Chemistry
School
College of the Canyons
Type
Homework
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Week 9 Introduction to Gases
Procedure
Part A: Introduction to Gases
3. The gas particles first radiate out from the pump. Then, after hitting the walls, they move
independently and randomly, taking up the entire space of the box.
4. a) The width of the box is 10 nanometers.
b) The volume is width^3 = 1000 nm ^3
5. a) Pressure = 5.8 atm
b) Temperature = 300 K
c) Volume = 1000 nm^3
6. With one more pump of gas, the pressure increases as there are more particles within the box
and, therefore, more collisions with the walls of the box.
7. Holding temperature constant:
Pressure (atm)
Number of Particles
5.8
50
11.7
100
17.5
150
23.4
200
29.2
250
As the number of particles in the container increases, the pressure also increases. The two values
are proportional.
Part B1: Relationship Between Pressure, Volume, and Temperature Temperature vs Pressure
4. a) Temperature: 300 K
b) Pressure: 5.8 atm
5. a) Pressure increased
b) The new pressure is 12.0 atm
c) The new temperature is 600 K
d) The particles are moving faster than before, which is what has increased the pressure.

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6. Keeping volume constant
Temperature (K)
Pressure (atm)
300
5.8
371
7.2
436
8.5
515
10.0
600
12.0
7. As temperature increases, pressure of the gas also increases in a proportional manner.
Part BII: Relationship between Pressure, Volume, and Temperature in a Gas Volume vs
Pressure
4. a) Pressure: 5.8 atm
b) Volume: 1000 nm^3
5. a) The new width is 55 nm.
b) The new volume is 500 nm^3
c) The pressure increased. This is because the molecules now collide with the box walls more
often.
6. a) The new volume is 1500 nm^3
b) The pressure decreased. This is because the molecules now have more space to move
around without colliding with the box walls.
7.
Volume (nm^3)
Pressure (atm)
1000
5.8
500
11.7
1500
3.9
1200
4.9
700
8.4
8. As volume increases, pressure decreases and vice versa in a proportional manner.

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Week 9 – Introduction to Gases Procedure Part A: Introduction to Gases 3. The gas particles first radiate out from the pump. Then, after hitting the walls, they move independently and randomly, taking up the entire space of the box. 4. a) The width of the box is 10 nanometers. b) The volume is width^3 = 1000 nm ^3 5. a) Pressure = 5.8 atm b) Temperature = 300 K c) Volume = 1000 nm^3 6. With one more pump of gas, the pressure increases as there are more particles within the box and, therefore, more collisions with the walls of the box. 7. Holding temperature constant: Pressure (atm) Number of Particles 5.8 50 11.7 100 17.5 150 23.4 200 29.2 250 As the number of particles in the container increases, the pressure also increases. The two values are proportional. Part B1: Relationship Between Pressure, Volume, and Temperature – Temperature vs Pressure 4. a) Temperature: 300 K b) Pressure: 5.8 atm 5. a) Pressure increased b) The new pressure is 12.0 atm c) The new temperature is 600 K d) The particles are moving faster than before, which is what has increased the pressure. 6. Keeping volume constant Temperature (K) Pressure (atm) 300 5.8 371 7.2 436 8.5 515 10 ...
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