# cueFlash

## Glossary of Measurements in Chmistry Chapter 2

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Physical quantity
A physical property that can be measured
Unit
A defined quanity used as a standard of measurement
SI Units
Units of measurement defined by the International System of Units
Mass
A measure of the amount of matter in an object
Weight
A measure of gravitational force that the earth or other large body exerts on an object
Scientific notation
A number expressed as the product of a number between 1 and 10, times the number 10 raised to a power.
Rounding off
A procedure used for deleting nonsignificant figures
Factor-label method
A problem-solving procedure in which equations are set up so that unwanted units cancel and only the desired units remain
Conversion factor
An expression of the numerical relationship between two units
Energy
The capacity to do work or supply heat
Specific heat
The amount of heat that will raise the temperature of 1 g of a substance by 1*C
Specific gravity
The density of a substance divided by the density of water at the same temperature
mega
M
kilo
k
hecto
h
deka
da
deci
d
centi
c
milli
m
micro
can't make that one, but know it's the only one that's not a normal letter
nano
n
pico
p
Quantity:
Mass
SI UNIT-Kilogram (kg)
Metric Unit-Gram (g)
Equivalents-1Kg =1000g
=2.205 lb
Quantity:
Length
SI Unit- Meter (m)
Metric unit- Meter (m)
Equivalents-1m = 3.280ft
Quantity:
Volume
SI Unit- Cubic meter (m^3)
Metric Unit- Liter (L)
Equivaltent- 1 m^3 =1000 L
=264.2 gal
Quantity:
Temperature
SI Unit- Kelvin (k)
Metric Unit-Celsius degree (*C)
Equivalents- 1K = 1*C
1*C = 1.8*F
Quantity:
Time
SI Unit- Second (s)
Metric Unit- Second (s)