The proportional relationships between two or more substances during a chemical reaction
What is Stoichiometry
100
What does 1 mole equal in terms of particles?
What is 6.022 x 10²³
100
How much does 1 mole of carbon-12 weigh (grams)?
What is 12g
100
The mass of the products in a chemical reaction must equal the mass of the reactants.
What is the law of conservation of mass
100
The measured amount of a product of a reaction
What is Actual Yield
200
Coefficients in conversion factors
What is Mole Ratios
200
Formula of percent yield
What is Percentage Yield = Actual Yield/Theoretical Yield x100
200
How much does 1 mole of Aluminum weigh (grams)?
What is 26.98g
200
Reactions that can use up reactants without making the desired product
What is Side Reactions
300
The substance that controls the quantity of product that can form in a chemical reaction
What is Limiting Reactant
300
Number of moles * Mass of one mole of the substance
What is Mass of Substance
300
How much does 1 mole of Argon weigh (grams)?
What is 39.95g
300
The SI base unit used to measure the amount of a substance whose number of particles is the same as the number of atoms of carbon in exactly 12 grams of carbon-12
What is a Mole
300
Describes the efficiency of a reaction
What is Percentage Yield
400
The substance that is not used up completely in a reaction
What is Excess Reactant
400
Moles at start - moles reacted
What is Excess Element
400
Calculate the number of moles of sulfur in 57.8 g of sulfur
What is 1.80 mol S
400
An atom that has the same number of protons (atomic number) as other atoms of the same element, but that has a different number of neutrons (atomic mass)
What are Isotopes
400
Physical property defined as the mass of a given substance divided by the amount of substance
What is Molar Mass
500
The maximum quantity of product that a reaction could theoretically make if everything about the reaction works perfectly
What is Theoretical Yield
500
volume of gas(in dm3)=number of moles of gas*24
What is Molar Gas Volume
500
How many mercury atom are in 5.8 mol of mercury?
What is 3.5 x 10²⁴ Hg atoms
500
These are used to measure atomic masses. They are equal to Daltons. They will change depending on its amount of protons and neutrons, and will be different for each individual element
What is amu
500
A starting substance in a chemical reaction and a substance produced in a chemical reaction