Vocabulary
The name of 6.02 ^23
what is Avogadro's number
How do I go from one substance to another
what is a mole to mole ratio
The substance left over (unused) after a chemical reaction has occurred to completion is known as the:
what is the excess reactant
The SI unit for measuring an amount of a substance is the:
What is the mole
The mass (in grams) of one mole of any substance is known as:
What is molar mass
Examine the equation below. How many moles of calcium carbonate do you have?
1 CaCO3 -> 1 CaO + 1 CO2
What is 1
The actual yield of a product is:
determined in lab / given to you
In the mole ratio lab, what type of reaction took place when copper II carbonate was heated to form copper II oxide, water, and carbon dioxide?
CuCO3 Cu(OH)2 -> 2 CuO + CO2 + H2O
What is combustion
1 mole is equal to
what is the molar mass, and 6.02^23
The correct mole ratio of oxygen to phosphorus in the following equation
4 P + 3 O2 -> 1 P4O6
What is 3O2/4P
Which of the following IS something that the limiting reactant determines?
a. amount of product formed
c. number of reactions that occur
b. amount of excess reactant used
d. limiting reactants determine all of the above
What is D
Type of formula indicates the actual number of atoms of each element present in a compound
What is the molecular formula?
The substance used up first in a chemical reaction is known as the:
What is the limiting reaction
How many moles of oxygen are required to react completely with 0.11 moles of aluminum?
4 Al + 3 O2 -> 2 Al2O3
.0825
A jar is placed over a burning candle, which causes the reaction between the wax and oxygen to stop. What is the limiting reactant?
What is oxygen
A(n) _______________ formula is the simplest, reduced ratio of elements in a compound
What is the empirical formula
The study of the numbers of reactants used up and products made is known as:
What is stoichiometry
What is the mass of water, in grams, that can be obtained when 1.07 moles of oxygen combust with methane?
CH4 + 2 O2 -> 2 H20 + CO2
19.26g H2O
If your theoretical yield is 123 and your actual is 56 what is your % yield?
what is 219.6%
Calculate the molar mass of KNO3.
What is 101