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Equations

Terms in this set (40)

Weight
Mass x gravitational field strength
Work done
Force x distance
Force applied to a spring
Spring constant x extension
Distance
Speed x time
Acceleration
Change in velocity / time
Resultant force
Mass x acceleration
Momentum
Mass x velocity
Kinetic energy
0.5 x mass x speed^2
Gravitational potential energy
Mass x gravitational field strength x height
Power
Energy transferred / time
Power
Work done / time
Efficiency
Useful output energy transfer / total input energy transfer
Efficiency
Useful power output / total power input
Wavespeed
Frequency x wavelength
Charge flow
Current x time
Potential difference
Current x resistance
Power
Current x potential difference
Power
Current^2 x resistance
Energy transferred
Power x time
Energy transferred
Charge flow x potential difference
Density
Mass / volume
Number of moles
Mass / Mr
Volume of gas at room temp
Number of moles x 24
Solid pressure
Force / area
Surface area of a sphere
4πr^2
Volume of a sphere
4/3 x pi x r^3
Cone volume
1/3 x pi x r^2 x h
Metal + Acid
Salt + Hydrogen
Metal oxide + Acid
Salt + Water
Metal hydroxide + Acid
Salt + Water
Metal Carbonate + Acid
Salt + Water + Carbon dioxide
Interior angle
(Number of sides-2) x 180
Exterior angle
180-interior angle
Cosine Rule
a^2 =b^2+c^2-2bc CosA
Atom economy
Mr of desired product/ Mr of all reactants x 100
Percentage yield
Mass of product / theoretical mass of product x 100
Volume
Amount in mol x molar volume
Mass
Amount in mol x atomic mass
Mass
Relative formula mass x amount
Change in thermal energy
Mass x specific heat capacity x temperature change
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