What's the Matter?
Phase change from liquid to vapor due to an increase of thermal energy.
Vaporization (or evaporation)
A trait of matter that can be observed without changing the chemical composition of the matter
Physical Property
Element symbol for chromium
Cr
substance made of one type of atom
element
Energy of movement
Kinetic Energy
What is the name of the nebula with the coldest temperature ever recorded in the universe?
Boomerang Nebula
State of matter where the KE and forces of attraction between particles are balanced
Liquid
Any material that consists of one type of matter.
Pure substance
Convert 400 Kelvin to Celsius
126.85 degrees Celsius
different elements joined together in certain ratios
compounds
Average kinetic energy of a substance
Temperature
Phase change directly from a gas to a solid due to a loss of thermal energy.
Deposition
Vegetable soup is a ____________mixture and can be separated by ______________means.
heterogeneous, physical
Convert 328 Kelvin to Fahrenheit
130.73 degrees Fahrenheit
O2 is considered as a_________ molecule because it consists of two of the same atoms bonded together
diatomic
The sum of all particles' KE within a substance.
thermal energy
States of matter that is highly compressible
gases
Two examples of chemical properties
reactivity, flammability, toxicity
Convert 39 degrees Celsius to Fahrenheit
102 degrees Celsius
How many atoms of potassium are in this compound:
4K2CO3
8
Heat is released into the surroundings
Exotherimic
Phase of matter with the highest entropy
Gas or Plasma
density, malleability, conductivity, ductility
hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodine
How many atoms of hydrogen are in this compound?
2(NH4)3
24
SI unit for work, energy and heat
joule