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Particle model of matter - Coggle Diagram
Particle model of matter
density
solids:
- particles are very close together
- particles are arranged in regular patterns
- particles vibrate but do not move from place to place
liquids:
- particles are close together
- particles are not arranged in regular pattern
- particles can move around each other
gases:
- particles are very far apart
- particles are not arranged in any pattern
- particles are moving very rapidly
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required practical- regular objects:
- determine the mass using a balance
- use a ruler to measure the length of the side and cube it
- divide the mass by the volume
required practical- irregular objects:
- find the mass of the object using a balance
- fill a eureka can with water
- place the object into the water. this will cause water to be displaced and flow out the can through the spout
- measure the volume of water displaced. this volume = the volume of the object
- divide the mass by the volume
internal energy
Solids
Do not move, but they do vibrate
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specific latent heat
Specific latent heat- the amount of energy required to change the state of one kilogram of the substance with no change in temperature
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particle motion in gases
the pressure of a gas is due to the particles colliding with the walls of the container that the gas is held in
increase the pressure:
- increase the number of collisions per second
- increase the energy of each collision
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work done on gases
example:
if you compress the gas by applying force, work has been carried out on the gas
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transferred energy to gas particles:
- increased the internal energy (kinetic and potential energy)
- due to the kinetic energy increase the temperature of the gas is increased