P6

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Density =
Mass / Volume
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The Density of a substance is ...
... its mass per unit volume
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Calculating volume of Regular shapes -
Find the area of the cross section and multiply this by its depth
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Volume of Irregular shapes -
Fill the Eureka can with water over the level of the spout and let the excess water spill out / Dip the object into the Eureka can and collect the displaced water in a beaker / 1cm3 of water = 1ml
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Solids -
Don't flow / Fixed Shape / Fixed Volume / High density / Particles are fixed / Particles vibrate / Closely packed
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Liquids -
Flow / Fill shape of container / Fixed volume / High density / Particles move around / Particles vibrate / Particles are less closely packed
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Gases -
Flow / Fill shape of container / Volume can change / Low density / No fixed particles / Particles move at high speeds / Particles are far apart
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During the change of state of a substance ...
... Total mass is conserved
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What is Latent Heat -
The heat energy transferred to a substance while it is changing state / This is represented by a flat line on a graph
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Internal Energy is ...
... The sum of all of the energy stored by the particles of a substance / This is the sum of its kinetic energy and potential energy / This does not include GPE and the kinetic energy if the object as a whole
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Sublimation -
Changing of state from a solid directly to a gas skipping its stage as a liquid
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Specific Latent Heat of Fusion is ...
... The energy needed to change the state of 1kg of a substance from a solid to a liquid
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Specific Latent Heat of Vapourisation is ...
... The energy needed to change the state of 1kg of a substance from liquid to gas
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Specific Latent Heat of Fusion / Vapourisation =
Total Energy / Mass
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Gas pressure in a container -
Gas pressure in a container is caused by the constant collisions of gas particles with other gas particles and the walls of the container / Each collision exerts a small force which is amplified by the large number of collisions in a given time
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Increasing the temperature of any sealed gas container increases the pressure of the gas inside it because...
... The increase in temperature increases the kinetic energy of the gas particles making collisions more frequent and have more force when colliding
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Boyle's law -
Pressure * Volume = Constant
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Other cards in this set

Card 2

Front

... its mass per unit volume

Back

The Density of a substance is ...

Card 3

Front

Find the area of the cross section and multiply this by its depth

Back

Preview of the back of card 3

Card 4

Front

Fill the Eureka can with water over the level of the spout and let the excess water spill out / Dip the object into the Eureka can and collect the displaced water in a beaker / 1cm3 of water = 1ml

Back

Preview of the back of card 4

Card 5

Front

Don't flow / Fixed Shape / Fixed Volume / High density / Particles are fixed / Particles vibrate / Closely packed

Back

Preview of the back of card 5
View more cards

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