Balancing
What is the final coefficient needed to balance this equation?
2 Al + 3 O2 > 1 Al2 + ____ O3
2
What is the type of reaction for the following...
H2 + N2 > NH3
Synthesis
How do you find molar mass of a substance
Add up the masses of each of the elements present in a molecule
What is a subscript
Smaller number to the right of an atom that indicates the total number of that particular atom
There are 4 atoms of Oxygen found in Sr(PO4)2
False... There are 8
What is the final coefficient needed to balance the equation...
3 H2 + 1 N2 > ____NH3
2
What is the type of reaction for the following...
Mg(NO3)2 + AlCl3 > MgCl2 + Al(NO3)3
Double replacements
How do you solve for molarity?
Moles / liters
What is a limiting reactant
The reactant that gets completely used up. Has none leftover
The molar mass of Hydrogen is 2.02
False... it is 1.01
What is the final coefficient needed to balance the equation...
___Cl2 + 2 SiO2 > 2 Cl + 1 Si2 + 4 O
1
What is the type of reaction for the following...
Al + CO2 > C+ AlO
single replacement
How do you solve for liters
Moles / Molarity
What is an excess reactant
The reactant that does not get completely used. Will have some leftover
In a decomposition reaction the reactant breaks down and separates
What is the mol ratio between S and Fe2Br2 in the equation....
3 S + 2 FeBr > 1 Fe2Br2 + 1 S3
3 to 1
What is the type of reaction for the following...
Fe2O3 > Fe2 + O3
decomposition
How do you convert mL to L
Divide by 1000 OR Move decimal 3 spots to the left
What is a solute?
The substance the gets dissolved
Avogadro's number is 6.02 x 10^25
False... it is 6.02 x 10^23
What do coefficients represent in a chemical reaction
The number of moles of molecules needed to balance out the reactants and products
What is the type of reaction for the following...
Na2 + Cl3 > Na3Cl6
synthesis
How do you solve for moles
Molarity x Liters
What is a solvent
The substance that does the dissolving
Mol and grams represent the same thing when solving for molarity
true