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Chemistry Chapter 14A Quiz Flashcards | StudBud
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Chemistry Chapter 14A Quiz
Chemistry Chapter 14A Quiz
16 terms
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Real gases, Boyle's Law, Charles's Law, Gay Lussac's Law, Combined Gas Law
Flashcards
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Questions
16
Answers
1
Calculate the temperature of 58.9 mL of gas if it occupied .0678L at 48
0
C
279 K
41.7 K
42 K
280 K
2
What is the volume of a gas at 9.23
0
C if the gas occupied 88.7 mL at STP?
91.7 mL
3.0 mL
3.00 mL
92 mL
3
Calculate the pressure of .109 L of gas at 67
o
C that occupied .097 L at STP.
1.1 atm
.218 atm
1.11 atm
.22 atm
4
What is the volume of a gas at 542 torr if it occupied 22.7 mL at 957 torr?
40.1 mL
40 mL
12.8 mL
13 mL
5
If the number of particles & volume are kept constant & the temp changes,what will also change?
formula
mass
pressure
density
6
What is the volume of a gas at STP if it occupied .762 L at 13.7
0
C and 988 torr?
3.7 L
3.70 L
.943 L
.94 L
7
According to the Kinetic Molecular Theory, particles of gas:
repel each other and collide
neither attract nor repel each other and do not collide
Neither attract nor repel each other but do collide
attract each other but do not collide
8
The KMT does not work for a real gas at high pressure or low temperature because:
measurements cannot be made at high pressure
The molecules are close enough to attract each other
molecules begin to collide with the sides of the container
all of the above
9
What is the temperature of a gas at 2.1 atm if it was at 933 mmHg and 41.7
0
C ?
537 K
71 K
71.2 K
540 K
10
What is the pressure of 1.34 L of gas that occupied 2.08 L at .98 atm?
.63 atm
.631 atm
1.5 atm
1.52 atm
11
If the quantity of gas particles and volume are being compared what must be held constant?
pressure and temperature
pressure and compressibility
pressure and diffusion rate
pressure and mass
12
A real gas:
cannot be produced in scientific laboratories
does not completely obey the Kinetic Molecular Theory
cannot be condensed
Consists of particles that do not occupy space
13
If the temperature and volume are held constant, the pressure of the gas will increase if:
the mass of gas increases
the diffusion of the gas increases
The number of gas particles increases
the size of the container increases
14
Calculate the pressure of a gas at 41.2
0
C if it originally at 43.8 kPa and 11
0
C
164.0 kPa
48.5 kPa
48 kPa
164 kPa
15
The Kinetic Molecular Theory does not work well for:
real gases at extremely low temperatures
real gases at extremely high temperature
any real gases
real gases at extremely low pressure
16
Calculate the temperature of 1.97 L of gas at 860. torr it occupied .76 L at 28.5
0
C and 1 atm
880 K
883..4 K
88 K
88.4 K
