Shared Flashcard Set

Details

Chapter 3-4.7 Terms
Study terms from Zumdahl Chemistry book, chapters 3 - 4.7
28
Chemistry
11th Grade
09/18/2013

Additional Chemistry Flashcards

 


 

Cards

Term
chemical stoichiometry
Definition
the area of study in which one considers the quantities of materials consumed and produced in chemical reactionns
Term
mass spectrometer
Definition
an instrument; the most accurate method for comparing masses of atoms
Term
atomic mass
Definition
average atomic mass of an element
Term
Avagadro's number
Definition
one mole of something consists of 6.022x10^23 units of that substance
Term
molar mass
Definition
the mass in grams per one mole of the compound
Term
conceptual problem solving
Definition
solving problems in a flexible, creative way based on understanding the fundamental ideas of chemistry
Term
mass percent
Definition
(often called weight percent) mass of one element in a single mole of a compound to the total mass of one mole of the compound and multiplying the result by 100.
Term
theoretical yield
Definition
maximum yield
Term
limiting reactant (limiting reagent)
Definition
the reactant that runs out first and thus limits the amount of products that can form.
Term
percent yield
Definition
actual/theoretical
Term
aqueous solution
Definition
a solution in which water is the dissolving agent
Term
polar molecule
Definition
molecule with partial (less than one unit of) charge indicated by a delta
Term
hydration
Definition
positive ends of water molecules are attracted to negatively charged anions and vice-versa
Term
solubility
Definition
the amount of a substance that dissolves in a given volume of solvent at a given temperature
Term
solvent
Definition
the dissolving medium in a solution
Term
solute
Definition
a substance being dissolved into a liquid to form a solution
Term
electrical conductivity
Definition
the ability to conduct and electric current
Term
strong electrolytes
Definition
complete disassociation
Term
weak electrolytes
Definition
partial disassociation
Term
nonelectrolytes
Definition
a substance that, when dissolved in water, gives a nonconducting solution
Term
strong acid
Definition
complete dissociation
HCl -> H+ plus Cl-
Term
strong base
Definition
NaOH -> Na+ plus OH-
Term
weak acid
Definition
partial dissociation
HC2H3O2 -> H+ plus C2H3O3
Term
molarity
Definition
moles of solute per volume of solution in liters
Term
precipitation reaction
Definition
a reaction in which an insoluble substance form and separates from the solution
Term
spectator ions
Definition
ions present in a solution that do not participate directly in a reaction
Term
electrolyte
Definition
a solute that has ionized
Term
weak base
Definition
NH4OH -> NH4+ plus OH-
Supporting users have an ad free experience!