Test 2 Unit 3 4 Flashcards
The sum of the masses of the products is always equal to the sum of the masses of the reactants
Law of conservation of mass
A + B —–> AB
Combination
AB ——-> A+B
Decomposition
A+BC——–>B+AC
Single displacement
AB+CD——->AD+CB
Double displacement
The link between mass and number of particles
Mole
The mass per mole of a substance
Molar mass
The sum of the atomic masses of all the atoms in the formula of the compound
Moleculer mass
6.022 x 10/23
Avogadro’s number
The reaction that determines the amount of the product that can be formed
Limiting reactant
Shows only the simplest ratio of atoms in a compound
Emperical formula
Tells how many of each type of atom are found in the actual molecule of that substance
Moleculer formulas