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Unit 5 solids, liquids and gases - Coggle Diagram
Unit 5 solids, liquids and gases
1 density and pressure
density(ρ) = mass/volume
pressure(pascals) = force/area
mass of water = base x hight x density
force = mass(basexhightxdensity) x gravitational field strength
pressure difference (Pa) = height x density x gravitational field strength
2 solids, liquids and gases
melting
freezing
evaporating/boiling
condensing
solid
rigid shape
tightly packed
regular arrangement
liquid
particles very close together
no fixed pattern move freely
gases
particles very spred out
move randomly
change in thermal energy(J) = mass x specific heat capacity x change in temperature
p1v1 = p2v2
pressure is proportional to 1/volume
temperature in k = temperature in ℃ + 273