Test 2 Unit 3 4 Flashcards
1
Q
The sum of the masses of the products is always equal to the sum of the masses of the reactants
A
Law of conservation of mass
2
Q
A + B —–> AB
A
Combination
3
Q
AB ——-> A+B
A
Decomposition
4
Q
A+BC——–>B+AC
A
Single displacement
5
Q
AB+CD——->AD+CB
A
Double displacement
6
Q
The link between mass and number of particles
A
Mole
7
Q
The mass per mole of a substance
A
Molar mass
8
Q
The sum of the atomic masses of all the atoms in the formula of the compound
A
Moleculer mass
9
Q
6.022 x 10/23
A
Avogadro’s number
10
Q
The reaction that determines the amount of the product that can be formed
A
Limiting reactant
11
Q
Shows only the simplest ratio of atoms in a compound
A
Emperical formula
12
Q
Tells how many of each type of atom are found in the actual molecule of that substance
A
Moleculer formulas
