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Fresh Grad Lands Job as Real Estate Agent With Help from Professional Writers

People go to websites to get the information they desperately need.  They could be looking for an answer to a nagging question.  They might be looking for help in completing an important task.  For recent graduates, they might be looking for ways on how to prepare a comprehensive resume that can capture the attention of the hiring manager

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Experiment 08 Gas Laws Pre Lab

Navigation   » List of Schools  »  East Los Angeles College  »  Chemistry  »  Chemistry 51 – Fundamentals of Chemistry  »  Fall 2021  »  Experiment 08 Gas Laws Pre Lab

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Below are the questions for the exam with the choices of answers:

Question #1
A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is 490. mmHg and the partial pressures of helium and argon are 215 mmHg and 102 mmHg, respectively, what is the partial pressure of neon?
A  377 mmHg
B  173 mmHg
C  807 mmHg
D  603 mmHg
E  0.228 mmHg
Question #2
A tank contains helium gas at 490 mmHg, nitrogen gas at 0.75 atm, and neon at 520 torr. What is the total pressure in atm?
A  1600 atm
B  1.0 × 103 atm
C  2.1 atm
D  1.5 atm
E  0.55 atm
Question #3
What is the mass of a sample of O2 gas, which has a pressure of 740. mmHg, at a temperature of 25 °C, in a volume of 250. mL?
A  292 g
B  0.318 g
C  320. g
D  201 g
E  3.82 g
Question #4
In a gas, the distance between the particles is
A  small relative to the size of the molecules.
B  very close relative to the size of the molecules.
C  close relative to the size of the molecules.
D  fixed relative to the size of the molecules.
E  very large relative to the size of the molecules.
Question #5
At STP conditions, 11 g of SO2 has a volume of
A  3.8 L.
B  130 L.
C  250 L.
D  22 L.
E  0.0076 L.
Question #6
A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C. What is the volume of the bubble when it reaches the surface where the pressure is 1.0 atm and the temperature is 27 °C, if the moles are constant?
A  1100 mL
B  110 mL
C  580 mL
D  630 mL
E  100 mL
Question #7
A gas sample in a closed, expandable container of initial volume 5.00 L was allowed to warm from 25 °C to 35 °C, at constant moles and pressure. What was its new volume?
A  4.84 L
B  7.00 L
C  3.57 L
D  5.17 L
E  4380 L
Question #8
The volume of a sample of gas, initially at 25 °C and 158 mL, increases to 450. mL. What is the final temperature of the sample of gas, if the pressure in the container is kept constant?
A  71 °C
B  105 °C
C  576 °C
D  8.8 °C
E  -168 °C
Question #9
The pressure of 5.0 L of gas increases from 1.50 atm to 1240 mmHg. What is the final volume of the gas, assuming no change in moles or temperature?
A  4100 L
B  0.0060 L
C  5.0 L
D  4.6 L
E  5.4 L
Question #10
According to Boyle’s Law, the pressure of a gas increases as the volume decreases because
A  the gas particles get bigger.
B  the gas particles strike the walls of the container with more force.
C  the temperature of the gas increases.
D  the gas particles strike the walls of the container more often.
E  the kinetic energy of the gas particles increases.
Question #11
At constant temperature, a sample of helium at 760. torr in a closed container was compressed from 5.00 L to 3.00 L, with no change in moles or temperature. What was the new pressure exerted by the helium on its container?
A  1270 torr
B  3800 torr
C  800. torr
D  2280 torr
E  15.0 torr
Question #12
The atmospheric pressure in Denver, CO is 633 mmHg. What is this pressure in atm?
A  633 atm
B  127 atm
C  1.00 atm
D  0.833 atm
E  1.20 atm
Question #13
The force of gas particles against the walls of a container is called
A  volume.
B  pressure.
C  temperature.
D  quantity of gas.
E  density.
Question #14
Which of the following is NOT part of the kinetic theory of gases?
A  Gas particles do not attract or repel one another.
B  Gas particles move rapidly.
C  Gas particles move faster when the temperature increases.
D  A gas is composed of very small particles.
E  There is very little empty space in a gas.
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“Kudos to the team for a job well done.  I am sincerely appreciative of the time and effort you gave on my resume.  You did not only help me land the job I had always been dreaming of but you also made me realize how important adding those specific keywords to my resume!  Cheers!

Manush
Fresh Graduate
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