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Duplicate of Gas Laws Elliot Smith Flashcards | StudBud
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Duplicate of Gas Laws Elliot Smith
Duplicate of Gas Laws Elliot Smith
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Quiz about A level Physics Gas Laws
Flashcards
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Questions
11
Answers
1
What is the value of Avagadro's constant?
6.63x10-34
6.65x10-27
6.02x1023
6.67x10-11
2
The pressure of an ideal gas is inversely proportional to its volume, who's law is this?
Charles'
Boyle's
Boltzmann's
Avagadro's
3
Do all atoms and particles have the same mean KE at a given temperature?
Yes
No
4
The area under a Boltzmann distribution graph is equivalent to what?
Number of particles
Energy of each particle
nothing relevant
The particle to energy ratio
5
What is Avogadro's number?
The number of particles in 12g of Carbon 12
The number of particles in 1 mole of substance
Number of particles in any 12g of substance
Number of nucleons in one mole of substance
6
For an ideal gas, a graph of pressure against volume
-1
shows what relationship?
exponential
negative quadratic
asymptotic
linear
7
When a graph of pressure against temperature is extrapolated back, what is the x axis cp?
-273K
-273 Celsius
0K
0 Celsius
8
Why do gases have no potential energy?
Because gases have no internal energy
Physics
Because they have no KE
Electrostatic forces are negligible except during collisions
9
Select the correct equation
pV=2/3NA<c2>
pV=1/3NAc2
pV=1/3Nmc2
pV=1/3Nm<c2>
10
What's the average velocity of particles in a gas?
Zero because velocity is a vector quantity
9.22x106
It's the same as the mean speed
1.4x10-23 because of the Boltzmann constant
11
Which of these is NOT an assumption made in the kinetic model for an ideal gas?
Electrostatic forces are negligible
The volume of gas particles is negligible
The collisions are perfectly inelastic
Atoms move in random directions in random speeds
