Chemistry; Final Exam
__________ is a measure of heat flow. - ANSWER Calorimetry
____________ are known as biological catalyst - ANSWER Enzymes
____________ is the process of using a higher concentrated solution to make a lower concentrated
solution. - ANSWER Dilution
____________ mixtures are uniform throughout, while ______________ mixtures do not have a
uniform composition. - ANSWER Homogenous mixture = uniform
Heterogeneous mixture = NOT uniform
______________ are referred to as saturated hydrocarbons (maximum number of hydrogen atoms) -
ANSWER Alkanes
______________ functional group is a benzene ring. - ANSWER Aromatics
______________ mixtures are known as a solution. - ANSWER Homogenous
______________ shows all the atoms in a molecule, but show as few bonds as possible. -
ANSWER Condensed structural formula
_______________ show only the bonds between carbon atoms. - ANSWER Skeletal
structure
________________ is the study of how fast chemical reactions occur. - ANSWER Chemical
Kinetics
__________________ States that if equilibrium is disturbed the rates of the forward and reverse
reaction will change to regain equilibrium. - ANSWER Le Chatelier's Principle
# of electrons = the # of protons unless its an __________. - ANSWER Ion
1 Ci (curie) = - ANSWER 3.7 * 10^10 disintegrations per second
1 Deciliter (dl) = ______ L - ANSWER 0.1
A mixture can be further classified as a _____________ or a _____________. -
ANSWER Homogenous mixture or a heterogeneous mixture
A pure substance can be further classified as a _____________ or a _____________. -
ANSWER Compound or element
A solution is made when.......... - ANSWER One substance (solute) is dissolved into another
(solvent)
Accuracy - ANSWER Refers to how close a measurement is to the real value
Alkanes are also known as.... - ANSWER Saturated hydrocarbons
Alkenes - ANSWER Carbon-Carbon double bond (C=C)
(shorter & stronger than the single bond of alkane.)
, General, Organic and Biological
Chemistry; Final Exam
Alkynes - ANSWER Carbon-Carbon Tripple bond (shorter & stronger than the double bond
of alkene.)
Alpha Radiation (charge) - ANSWER Positively charged particles with a 2+ charge.
Aromatics - ANSWER Is a ring with double-single-double repeating patterns
As temperature _____________ in a solution containing a gas, solubility of the gas _____________. -
ANSWER Increases; decreases
Atom - ANSWER Smallest particle of an element; the building blocks of matter
Atomic mass - ANSWER The average atomic mass for each element (shown below elements
on the periodic table)
Atomic number - ANSWER The number of protons
Beta Radiation (charge) - ANSWER Negatively charged particles with a 1- charge.
Branched Alkanes - ANSWER
Celcius Formula - ANSWER C= (F - 32) / 1.8
Chemical Change or Chemical Reaction - ANSWER Substance changes the composition or
identity of the substance (example combustion,rusting,oxidation)
Colloids - ANSWER Mixtures of undissolved particles that do not separate overtime.
Particles must be 1-1000 nanometers in diameter
Common unit for Mass is the ________. - ANSWER Gram (g)
Compounds - ANSWER Substance composed of two or more elements that are chemically
combined. (example H2O, table sugar)
Concentration - ANSWER Amount of solute dissolved in a given amount of solution
Cycloalkanes - ANSWER Carbon atoms bonded in a ring
Density - ANSWER Relationship between the mass and volume of an object
Density Formula - ANSWER Mass/Volume
Difference of the heat of the reactants and products is called what? - ANSWER Heat of
reaction
Do metals for anions or cations? - ANSWER Cations
Do non-metals for anions or cations? - ANSWER Anions
During Dilution what happens? - ANSWER The amount of solute stays the same but the
volume increases