Chemistry Unit 8 Vocabulary Flashcards
Actual Yield
The amount of product produced in the lab
Avagadro's number
6.02 x 10^23, which represents the number of particles in a mole
Atom
A single, unbonded particle or element
Coefficient
Number in front of a variable
Excess Reactant
the substance that is not used up completely in a reaction
Formula unit
An ionically bonded particle that contains a metal and a nonmetal
Law of Conservation of Mass
the law that states that mass cannot be created or destroyed
Limiting reactant
A reactant that is totally consumed during a chemical reaction, limits the extent of the reaction.
Mole
6.02 x 10^23 (one unit of anything)
Mole to mole ratio
small whole number ratio from balancing coefficients
Molecule
A covalently bonded particle (Nonmetals only)
Molar Mass
the mass of one mole of a substance from the periodic table
Particle
The smallest part of a substance that can be separated physically (such as an atom)
Percent yield
What percent of what was expected to be made: Actual yield/theoretical yield x 100.
Stoichiometry
The calculation of quantities in chemical reactions
STP (standard temperature and pressure)
conditions of 0.00°C and 1 atom of pressure