The temperature rise of an object when it is heated depends on:

Mass, material and amount of heat energy

To melt a solid or evaporate a liquid you need to:

Break the bonds between particles

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AQA A2 Physics Thermal Physics and Gas Laws

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Questions on AQA Unit 5 Thermal Physics and Gas Laws, mainly definitions. #aqa #physics #unit5 #a2 #a2 #thermalphysics #gaslaws

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Answers

1
Boyle's law states that for a fixed mass of gas at constant temperature:
V1P2=V2P1
P1/P2=V1/V2
P1V1=P2V2
P2/P1=V2/V1
2
Calculate the mass of an atom of Carbon-12, using the Avagadro constant of 6.023x10²³
9.96x1022
7.23x1024
1.99x10-23
1.99x1023
3
Choose the words from below that complete this definition of specific heat capacity:
Heat, kinetic energy, state
Heat, temperature, state
Energy, heat, state
Energy, temperature, state
4
The Pressure Law states that for a fixed mass of gas at a constant volume:
T1/P1= constant
T1P1= constant
P1T1=P2T2
P1/T1=P2/T2
5
Choose the words that complete the definition of specific latent heat:
Heat and state
Heat and temperature
Thermal energy and state
Thermal energy and temperature
6
Which of the following is not true, when the temperature increases:
A
D
B
C
7
Choose the words to complete the definition of specific latent heat of vaporization:
Temperature, liquid, vapour
State, liquid, vapour
Temperature, liquid, gas
State, liquid, gas
8
Calculate the energy needed to raise the temperature of 5 kg of water from 20°C to 100°C
4,20x108
1.24x105
1.68x106
4.20x106
9
What is the unit of specific heat capacity?
J-1kg-1K-1
Jkg-1K
KJ-1kg-1
Jkg-1K-1
10
Which of these is not an assumption made in the kinetic theory?
Particles are perfect spheres
The gas contains a large number of particles
They move randomly and rapidly
The motion of the particles follows Newton's law
11
The temperature rise of an object when it is heated depends on:
Mass, material and amount of heat energy
Material, mass and the specific heat capacity
Mass and material
Amount of heat energy and its mass
12
Choose the words to complete the definition of pressure:
Force and speed
Force and area
Acceleration and time
Force and acceleration
13
Charles' Law states that for a fixed mass of gas at constant pressure:
T1/V1=V2/T2
T1=V1
V1/T1=V2/T2
T1/V1= constant
14
To melt a solid or evaporate a liquid you need to:
Separate the molecules
Break the bonds between particles
Break the bonds within particles
Excite the particles

AQA A2 Physics Thermal Physics and Gas Laws Flashcards | StudBud