Lecture 3: Chemical Equations And Stoichiometry

Question 1

Chemical reaction

Answer 1

A reorganization of atoms or molecules in one or more substances

Question 2

Balanced chemical equation

Answer 2

Has the same number of atoms of each element on each side of the equation

Question 3

1 mole

Answer 3

Number of particles in a sample that translates its atomic/ molecular weight ( Da) into grams

Question 4

Relative atomic Mass

Answer 4

Mass of a mole of an element
Mass of avogadro’s # of atoms

Question 5

Relative molecular mass

Answer 5

Mass of a mole of a compound
Mass of avogadro’s # of molecules

Question 6

Stoichiometry

Answer 6

Ratio in which the reactants react together to form products