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21 questions
Which of the following is not a state of matter
Ice
Gas
Liquid
Solid
Latent Heat of Fusion: The amount of energy required to change the state of 1kg a substance from solid to liquid at fixed _____________
Quantity
Heat Energy
Temperature
Pressure
Which is not a change of state
Melting
Boiling
Sublimation
Frosting
Find the energy required to boil 0.250 kg of water away at 100ºC. The Latent Heat of Vapourisation of water is 2260 KJ/kg.
565 000 J
565 J
9040 J
9.040 J
What is the graph called?
Melting and Boiling graph
Temperature Graph
Heating Curve of a substance
Graph of Temperature and heating up
At which point does the substance finish boiling
B
C
E
F
D
At Which point is the Kinetic Energy Store increasing?
B-C
C-D
D-E
All of the above
At stage is the Potential Energy Store increasing?
A-B
B-D
C-D
D-E
Which stage is a gas heating up?
F
A
D
B
Which is true of liquids?
Particles arranged in an ordered manner
Particles are not touching one another.
Particles are quite closely packed
Particles can vibrate but not move around
A cube of metal has side 2 cm. It weighs 10g. Find its density.
5 g / cm3
20 g / cm3
0.2 g / cm3
1.25 g / cm3
It's the SI unit for Heat
Watts
Celsius
Joules
Nm
This symbol represents latent heat
Q
c
ΔT
L
It's the amount of heat required to change the state (gas,liquid, solid) of a unit of material
Latent Heat
Specific Heat
Temperature
Q
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