Modules 1-3
The principle that matter cannot be created or destroyed
The law of mass conservation
Electrons at the highest energy level
Valence Electrons
The chemical responsible for stopping a chemical reaction
Limiting reactant
Energy in motion
Kinetic Energy
The energy necessary to start a chemical reaction
Activation energy
The number of significant figures in 0.00150670
Six
Chemical change
Red
This solute increases in solubility with increasing temperature
Solid
A test done under standard conditions
control
True or False? The atomic number tells the mass of an atom's nucleus
False
A molecule made of two or more nonmetal atoms
A covalent compound
The law that states the stoichiometric coefficients can be used to relate the volume of gases in a chemical equation
Energy that is stored
Potential Energy
The point at which the rate of the forward reaction equals the rate of the reverse reaction
Chemical equilibrium
The name of N203
Dinitrogen Trioxide
A bond that consists of equal sharing of electrons
A nonpolar covalent bond
Classify this reaction as formation, combustion, or de-combustion: 2 C2H2 + 5 O2 -> 4 CO2 + 2 H2O
Combustion
273 K and 1.00 atm
The sum of all oxidation numbers must equal this
The charge of the molecule
A substance that contains more than one type of individual atom or molecule
Mixture
Name at least 4 of the homonuclear diatomic molecules
Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine
Classify this reaction as formation, combustion, or de-combustion: 2 H2CO3 -> 2 C + 3 O2 + 2 H2
Decomposition
The amount of energy needed to raise the temperature of 1 gram of water 1 degree
Calorie
This speeds up the reaction rate without actually getting used up in the chemical reaction
A Catalyst