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Abbreviated list
of quantities, units and symbols in physical chemistry
3. Examples of SI derived
units with special names and symbols
| Physical Quantity (for symbols see Sect.
4) |
Name of SI Unit |
Symbol for SI Unit |
Expression in Terms of SI Base Units |
| frequency |
hertz |
Hz |
s-1 |
| force |
newton |
N |
m kg s-2 |
| pressure, stress |
pascal |
Pa |
m-1 kg s-2 (=
N-m-2 ) |
| energy, work, heat |
joule |
J |
m2 kg s-2
(= N-m = Pa-m3
) |
| power |
watt |
W |
m2 kg s-3
(= J-s-1) |
| electric charge |
coulomb |
C |
s A |
| electric potential |
volt |
V |
m2 kg s-3
A-1 (= J-C-1) |
| electric capacitance |
farad |
F |
m-2 kg-1
s4 A2 (= C-V-1) |
| electric resistance |
ohm |
W |
m2 kg s-3
A-2 (= V-A-1) |
| electric conductance |
siemens |
S |
m-2 kg-1
s3 A2 (= W-1) |
| magnetic flux |
weber |
Wb |
m2 kg s-2
A-1 (= V s) |
| magnetic flux density |
tesla |
T |
kg s-2 A-1 (=
V s m-2) |
| inductance |
henry |
H |
m2 kg s-2
A-2 (= V A-1 s) |
| Celsius temperature* |
degree Celsius |
oC |
K |
| plane angle |
radian |
rad |
1 ** |
(rad and sr may be included or omitted
in expressions for the derived units) |
| solid angle |
steradian |
sr |
1 ** |
* The Celsius temperature is defined by q
/ oC = T / K-273.15
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Page last modified 9 June 2000.
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