Measurement and Separation Techniques Flashcards
observations of the
physical and chemical properties
and changes that matter undergoes
that are often reported
quantitatively
Measurement
quantify the property of an object and gives full context to
the numbers of the property being measured
Units
nvented by French in the 18th century
Metric system
based on the powers of ten
Metric system
system used in some US countries
English system
1960
International system of Units (SI Units)
global
standard definition of units of measurement
International system of Units (SI Units)
remain the same regardless of the place where it is used
International system of Units (SI Units)
other units of measurement obtained by
a combination of base units
Derived units
give the SI Base Unit and symbol of
Length
Meter, m
give the SI Base Unit and symbol of
Mass
Kilogram, kg
give the SI Base Unit and symbol of
Time
Second, s
give the SI Base Unit and symbol of
Temperature
Kelvin, K
give the SI Base Unit and symbol of
Amount of Substance
Mole, mol
give the SI Base Unit and symbol of
Electric Current
Ampere, A
give the SI Base Unit and symbol of
Luminous intensity
Candela, cd
give the SI Base Unit and symbol of
Density
gram per cubic meter, g/m3
give the SI Base Unit and symbol of
Speed
Meter per second, m/s
give the SI Base Unit and symbol of
Energy
Joule, J
Formula for 1J
kg·m2/s2
Temperature conversion factors for cels9 ius
C=(F- 32) 5/9
Temperature conversion factors for fahrenheit
F=9/5(C)+32
Temperature conversion factors for fahrenheit
K= C+273
Give prefix and sym
