Chapter 5: Chemical Equation and Stoichiometry Flashcards
1
Q
Atomic Mass
A
The mass that is under the atom symbol on the PT.
2
Q
formula mass
A
The mass of all the atoms in a molecule.
3
Q
Avogadro’s Number
A
Named after an Italian scientist Amedeo Avogadro 6.02*10^23 ( based on carbon-12)
4
Q
limiting reactant
A
The reactant the limits the extent to which the reaction proceeds.
5
Q
% yield calculation
A
(Actual(g)/theo(g))*100
6
Q
chemical changes
A
Collor change, Hear being produced, formation of a solid, evolution of a gas
7
Q
some collisions have enough energy to cause a
A
Chemical reaction
8
Q
Oxidation
A
loss of electrons (oil)
9
Q
Reduction
A
gain of electrons (rig)
10
Q
combustion reactions have
A
CO2 and H2O
