What is the specific latent heat of vaporisation of a substance?

energy to change 1kg liquid into 1kg gas no temp change

What is the value for Avogadro’s constant NA

6.02 x 10 23 mol -1, I don't know but I know where to look

What would happen to a substance if it's temperature were brought to absolute zero?

All molecules would stop moving

What is the specific latent heat of fusion of a substance?

energy to change 1kg solid into 1kg liquid no temp change

There is no intermolecular bonds this means...

The energy of an ideal gas is all KE no PE

When does Boyle's Law Apply? What was missing

For a constant number of moles, For a fixed mass of gas

What is the physical meaning of Avagadro's constant?

The number of atoms or molecules per mole of a substance

studbud

Modelling a Gas Review IB

18 termsStudBud Administration147 plays

# gas laws # physics # IB # modelling a gas # 3.2

Flashcards18 cardsFPractice quizPHost liveL

Questions 18

Answers

1
What is the specific latent heat of vaporisation of a substance?
energy to change 1kg gas into 1kg liquid no temp change
energy to change 1kg liquid into 1kg solid no temp change
energy to change 1kg solid into 1kg liquid no temp change
energy to change 1kg liquid into 1kg gas no temp change
2
When does Charles' Law Apply?
Constant Pressure
All of them
Constant Volume
Constant Temperature
3
In the equation Q = ml, What is the l?
Mass
Length
Specific Heat Capacity
Latent heat
4
in the following equation, what does n stand for? pV = nRT
The number of molecules in the gas
The molar gas constant
The Boltzmann constant
The number of moles in the gas
5
What is the Numerical value of Avagadro's Constant?
6.02 x 10-23
6.02 x 1013
6.02
6.02 x 1023
6
What is the value for Avogadro’s constant N_A
6.23 x 10 -2 mol -1
6.02 x 10 23 mol -1
6.23 x 10 -23 mol -1
I don't know but I know where to look
7
in the following equation, what does R stand for? pV = nRT
The Boltzmann constant
The number of moles in the gas
The number of molecules in the gas
The molar gas constant
8
When does Boyle's Law Apply?
All of them
Constant Temperature
Constant Volume
Constant Pressure
9
What would happen to a substance if it's temperature were brought to absolute zero?
It would expand
It can exist in all 3 states of matter
It would conduct electricity
All molecules would stop moving
10
What is the specific latent heat of fusion of a substance?
energy to change 1kg solid into 1kg liquid no temp change
energy to change 1kg liquid into 1kg gas no temp change
energy to change 1kg gas into 1kg liquid no temp change
energy to change 1kg liquid into 1kg solid no temp change
11
1 pascal (Pa) equals what?
N m-2
1 Nm2
1 Nm
N m-1
12
There is no intermolecular bonds this means...
The energy of an ideal gas is all PE no KE
The energy of an ideal gas is all KE no PE
13
In the following equation: what is c? Q = mc∆T
The speed of Light
Mass
Specific Heat Capacity
Energy Transferred
14
Convert 0 degrees Celsius into Kelvin
-273
273
0
100
15
What is Boyle's Law?
p ∝ 1/V
p ∝ V2
p ∝V
p ∝ 1/V2
16
For a theoretical gas to obey the gas laws, which of the following criteria must it fulfil?
The collisions are elastic no KE lost
There are no intermolecular bonds
particles take up no space
All of them
17
When does Boyle's Law Apply? What was missing
For a constant number of moles
Constant Temperature
For a fixed mass of gas
All of them
18
What is the physical meaning of Avagadro's constant?
The radius of an electron
The distance of an electron from the nucleus
The mass of a neutron
The number of atoms or molecules per mole of a substance

Modelling a Gas Review IB Flashcards | StudBud