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# Chem Chap 2 Sec 2

### Unit of Measure

something that has magnitude, size, or amount. Quanity
True or False: Quanity is the same as measurement.s False, Units of measurement compare what is to be measured with a previously defined size
What system was adopted in 1960 by the General Conference on Weights and Measures SI (Le Systeme International d'Unites)
SI units are defined in terms of ____________ Standards of measurement
SI Base Unit: Quantity Length's unit name is meter
SI Base Unit: Quantity Mass unit name is kilogram
SI Base Unit: Quantity Time unit name Second
SI Base Unit; Quantity Temperature Kelin
SI Base Unit: Quantity Amount of Substance mole
SI Base Unit: Quantity Electric current ampere
SI Base Unit: Quantity Luminous intensity candela
Measure of the quantity of matter mass
A measure of the gravitational pull on matter Weight
Mass is measured on _______ instruments such as a balance
Weight is measured on _____________ a spring scale
Derivative for Area length x width
Derivative for Volume length x width x height
Derivative for Density Mass / volume
Derivative for Molar Mass mass / amount of substance
Derivative for Molar volume volume / amount of substance
Derivative for energy force x length
The amount of space occupied by an object Volume
The derived SI unit of volume cubic meters
The ratio of mass to volume or mass divided by volume Density
Formula for Density is mass / volume or M / V
A ratio derived from the equality between 2 different units that can be used to convert converstion factor
Converstion factors are equal to 1
a mathematical technique that allows you to use units to solve problems involving measurements dimentional analysis
Equation for quantity sought quantity given x conersion factord
deci means 1/10
Created by: tbstinso