Chemistry Vocab 3 Flashcards
International System of Units
Standardized system of measurement based in the metric system
Kelvin Scale
Freezing point is 273.15 degrees and its boiling point is 373.15
Temperature
Measure of how hot or cold an object is
Meter
The SI unit of length
Calorie
Quantity of heat that rises the temperature of 1g of pure water by 1C
Celsius Scale
Temperature scale that sets the freezing point of water at 0 and its boiling point at 100
Liter
Non SI unit of volume
Joule
The SI unit of energy
Weight
Force that measures the pull of gravity on a given mass
Absolute zero
Zero point on the Kelvin scale equal to -273.15C
Kilogram
SI base unit of mass
Gram
Mass unit commonly used in chemistry
Energy
The capacity to do work or to produce heat
pico-
-12
10
kilo-
-3
10
micro-
-6
10
Centi
-2
10
measurement
A quantity that has both a number and a unit
Scientific notation
A given number that is written as the product of two numbers a coefficient and a 10 raised to a power
Accuracy
A measure of how close a measurement comes to the actual or true value of whatever is measured
Precision
Measure of how close a series of measurements are to one another, irrespective of the actual value, repeatability
Accepted value
Correct value for the measurement based on reliable references
Experimental value
Value measure in the lab
Error
Difference between experimental and accepted value
