CHEM 120 CHAMBERLAIN FINAL ACTUAL
2025/2026 QUESTIONS AND 100% CORRECT
ANSWERS
*Iron chemical properties - CORRECT ANSWER: Rust with O2 to for iron oxide
<0.5 - CORRECT ANSWER: nonpolar covalent
>2.0 - CORRECT ANSWER: ionic
0.5- 2.0 - CORRECT ANSWER: polar covalent
2 categories of matter - CORRECT ANSWER: substances and mixtures
2 facets of science - CORRECT ANSWER: technological
Philosophical
2 forms of energy - CORRECT ANSWER: kinetic- energy in motion
potential- energy of position or stored energy
2 hydrogen, 1 oxygen - CORRECT ANSWER: between them are new bonds
equals H2O
3 types of radioactivity - CORRECT ANSWER: alpha- 1 atom He+2(charge) mass of 4 u
beta- mass of 1/1837: -1 Charge: electron
gamma- mass of 0 : charge of 0: energy change
4 major macromolecules - CORRECT ANSWER: carbohydrates, lipids, proteins, nucleic acids
5 postulates of kinetic molecular theory - CORRECT ANSWER: 1. particles of gas are in rapid motion-
SPEED
2. particles of gas are tiny compared to the distance between them- SIZE
3. There is little attraction b/t the particles of gas-SEPARATION-far apart
4. Collisions b/t gas molecules are perfectly elastic-SAME ENERGY
5. Temp is a measure of avg kinetic energy of gas molecules- TEMP-energy
760 mmHg - CORRECT ANSWER: 1 atm
A mole of a substance - CORRECT ANSWER: is the amount of a substance which contains 6 X 10^23
particles of that substance
acid pH - CORRECT ANSWER: less than 7
HCL
gastric juice
lemon juice
vinegar
urine
rainwater
acid reducers - CORRECT ANSWER: have been displacing antacids as a way to combat hyperacidity
changing level of acid it releases
Acids - CORRECT ANSWER: all have Hydrogen
sour
,litmus red
react with active metals to release Hydrogen gas
react with bases to form H2O and NaCl-neutralize
addition polymerization - CORRECT ANSWER: monomers add one after another in such a way that the
polymer chain contains all the atoms originally present in the monomers
react 1 + react n----->products
alcohols - CORRECT ANSWER: R-OH
name of alkane + ol
aldehyde name - CORRECT ANSWER: numbering begins at the Carbonyl carbon
followed by aldehyde
IUPAC- C chain followed by - al
Aldehydes - CORRECT ANSWER: RCHO
unpleasant odor used in disinfectants
Alkaloids - CORRECT ANSWER: equal amines that occur naturally in plants , bacteria, fungi, and
animals
physiological effects
Morphine
caffeine
nicotine
cocaine
bases Pyrimidine and purine( in DNA)
Alkalosis - CORRECT ANSWER: to much use of antacids can lead to an increase in pH of blood
alkane name ending - CORRECT ANSWER: -ane
C2H6- ethane
C5H12- Pentane
C4H10- Butane
CH4-Methane
C3H8-Propane
Alkanes - CORRECT ANSWER: Hydrocarbons that contain only single bonds
Saturated - each C atom is bonded to as many H atoms as possbile
alkanes represents - CORRECT ANSWER: Homologous series
differs by number of CH2 groups
contain came functional group
exhibit properties that vary in regular/predictable mannerh
alkene name - CORRECT ANSWER: Prefix: donating # if C atoms
suffix- ene
Ethylene-simplest alkene
Alkenes - CORRECT ANSWER: CnH2n ,Hydrocarbons that contain double covalent bonds
alkyl group - CORRECT ANSWER: derived from an alkane by removing a hydrogen atom
smallest= methyl= CH3-
Alkyne name - CORRECT ANSWER: prefix: # of carbon atoms
suffix- yne
,Alkynes - CORRECT ANSWER: CnH2n-2
triple bond
all addition polymers are derivatives of - CORRECT ANSWER: polyethylene
making all single chains
alpha decay - CORRECT ANSWER: 4/2 He
Mass decrease by 4
atomic # decrease by 2
alpha helix - CORRECT ANSWER: H in b/t O
INTRAmolecular H bond
same molecular structure
aluminum hydroxide - CORRECT ANSWER: Al(OH)3, amphojel
Amide - CORRECT ANSWER: O-NH2
amide linkage - CORRECT ANSWER: amino acids are linked together to form proteins by this linkage
1 amine(of 1 amino acid)-----carboxylate (of an amino acid)
amides - CORRECT ANSWER: nitrogen bonded to a carbonyl carbon
naming
1. alkane name + ane'
2. + amide
Amines - CORRECT ANSWER: R-NH2
are derivatives of ammonia
when 1 or more H of ammonia is replaced by the alkyl group
Amines Name - CORRECT ANSWER: alphabetical order of alkyl groups + amine
amino acid sequence - CORRECT ANSWER: sequence of amino acid that makes up the protein- is
CRITICAL
denoted from the free amino group (N-terminal)
to the Free Carboxyl group ( C-terminal)
Amino Acids - CORRECT ANSWER: contain an
Amine Group
Carboxylate group( attached to same C aplha C)
R- group
amino acids of proteins are linked by - CORRECT ANSWER: amide linkages
amino acids produce proteins through - CORRECT ANSWER: condensation polymerization
by product is H2O
amino group - CORRECT ANSWER: -NH2
Amine
Amount of substance - CORRECT ANSWER: mole (mol)
Amylopectin - CORRECT ANSWER: branched starch
, amylose - CORRECT ANSWER: simplest form of starch
no branches just chains
Anabolism - CORRECT ANSWER: the synthesis of molecules in a cell
analyze/theory - CORRECT ANSWER: use the information to draw a conclusion about experiment
was your hypothesis correct?
aniline - CORRECT ANSWER: aminobenzene
amino group attached to a benzene ring
Anion - CORRECT ANSWER: A negatively charged ion
anion charge -/nonmetals - CORRECT ANSWER: name of anion is the root + ide
Cl= chloride
O2= oxide
Anode - CORRECT ANSWER: The positive electrode in electrolysis.
Antacids - CORRECT ANSWER: counteract or neutralize acidity, usually in the stomach
Antoine Becquerel and Marie Curie - CORRECT ANSWER: discovered and observed radioactivity and
how these cause atoms to break down spontaneously
Applied Research - CORRECT ANSWER: studying a specific problem in industry or environment
Applied Research Exampe - CORRECT ANSWER: George Washington Carver
Peanuts/ developed 300 peanut products
Aristotle - CORRECT ANSWER: A Greek Philosopher,
all matter is composed of 4 elements
all matter is continuous not atomistic
WEAF- water, earth, air, water
aromatic hydrocarbons - CORRECT ANSWER: contain a benzene ring or have properties similar to those
of benzene
artificial photosynthesis - CORRECT ANSWER: can be used to generate hydrogen fuel
H fuel can then be reacted with O to produce heat and electricity
water---->hydrogen + oxygen
atomic number - CORRECT ANSWER: the number of protons in the nucleus of an atom
Atomos - CORRECT ANSWER: Lecuippus/democritus
point at which matter can no longer be subdivided
Atoms - CORRECT ANSWER: Building blocks of matter
smallest particle in an element
Avogadro's Gas Law - CORRECT ANSWER: V1/n1=V2/n2
fixed temp and fixed pressure
Avogadro's number - CORRECT ANSWER: 6.02 x 10^23
number of atoms in a 12-g carbon same as carbon-12
C- atomic mass is 12 amu
12 g C= 1 mol
2025/2026 QUESTIONS AND 100% CORRECT
ANSWERS
*Iron chemical properties - CORRECT ANSWER: Rust with O2 to for iron oxide
<0.5 - CORRECT ANSWER: nonpolar covalent
>2.0 - CORRECT ANSWER: ionic
0.5- 2.0 - CORRECT ANSWER: polar covalent
2 categories of matter - CORRECT ANSWER: substances and mixtures
2 facets of science - CORRECT ANSWER: technological
Philosophical
2 forms of energy - CORRECT ANSWER: kinetic- energy in motion
potential- energy of position or stored energy
2 hydrogen, 1 oxygen - CORRECT ANSWER: between them are new bonds
equals H2O
3 types of radioactivity - CORRECT ANSWER: alpha- 1 atom He+2(charge) mass of 4 u
beta- mass of 1/1837: -1 Charge: electron
gamma- mass of 0 : charge of 0: energy change
4 major macromolecules - CORRECT ANSWER: carbohydrates, lipids, proteins, nucleic acids
5 postulates of kinetic molecular theory - CORRECT ANSWER: 1. particles of gas are in rapid motion-
SPEED
2. particles of gas are tiny compared to the distance between them- SIZE
3. There is little attraction b/t the particles of gas-SEPARATION-far apart
4. Collisions b/t gas molecules are perfectly elastic-SAME ENERGY
5. Temp is a measure of avg kinetic energy of gas molecules- TEMP-energy
760 mmHg - CORRECT ANSWER: 1 atm
A mole of a substance - CORRECT ANSWER: is the amount of a substance which contains 6 X 10^23
particles of that substance
acid pH - CORRECT ANSWER: less than 7
HCL
gastric juice
lemon juice
vinegar
urine
rainwater
acid reducers - CORRECT ANSWER: have been displacing antacids as a way to combat hyperacidity
changing level of acid it releases
Acids - CORRECT ANSWER: all have Hydrogen
sour
,litmus red
react with active metals to release Hydrogen gas
react with bases to form H2O and NaCl-neutralize
addition polymerization - CORRECT ANSWER: monomers add one after another in such a way that the
polymer chain contains all the atoms originally present in the monomers
react 1 + react n----->products
alcohols - CORRECT ANSWER: R-OH
name of alkane + ol
aldehyde name - CORRECT ANSWER: numbering begins at the Carbonyl carbon
followed by aldehyde
IUPAC- C chain followed by - al
Aldehydes - CORRECT ANSWER: RCHO
unpleasant odor used in disinfectants
Alkaloids - CORRECT ANSWER: equal amines that occur naturally in plants , bacteria, fungi, and
animals
physiological effects
Morphine
caffeine
nicotine
cocaine
bases Pyrimidine and purine( in DNA)
Alkalosis - CORRECT ANSWER: to much use of antacids can lead to an increase in pH of blood
alkane name ending - CORRECT ANSWER: -ane
C2H6- ethane
C5H12- Pentane
C4H10- Butane
CH4-Methane
C3H8-Propane
Alkanes - CORRECT ANSWER: Hydrocarbons that contain only single bonds
Saturated - each C atom is bonded to as many H atoms as possbile
alkanes represents - CORRECT ANSWER: Homologous series
differs by number of CH2 groups
contain came functional group
exhibit properties that vary in regular/predictable mannerh
alkene name - CORRECT ANSWER: Prefix: donating # if C atoms
suffix- ene
Ethylene-simplest alkene
Alkenes - CORRECT ANSWER: CnH2n ,Hydrocarbons that contain double covalent bonds
alkyl group - CORRECT ANSWER: derived from an alkane by removing a hydrogen atom
smallest= methyl= CH3-
Alkyne name - CORRECT ANSWER: prefix: # of carbon atoms
suffix- yne
,Alkynes - CORRECT ANSWER: CnH2n-2
triple bond
all addition polymers are derivatives of - CORRECT ANSWER: polyethylene
making all single chains
alpha decay - CORRECT ANSWER: 4/2 He
Mass decrease by 4
atomic # decrease by 2
alpha helix - CORRECT ANSWER: H in b/t O
INTRAmolecular H bond
same molecular structure
aluminum hydroxide - CORRECT ANSWER: Al(OH)3, amphojel
Amide - CORRECT ANSWER: O-NH2
amide linkage - CORRECT ANSWER: amino acids are linked together to form proteins by this linkage
1 amine(of 1 amino acid)-----carboxylate (of an amino acid)
amides - CORRECT ANSWER: nitrogen bonded to a carbonyl carbon
naming
1. alkane name + ane'
2. + amide
Amines - CORRECT ANSWER: R-NH2
are derivatives of ammonia
when 1 or more H of ammonia is replaced by the alkyl group
Amines Name - CORRECT ANSWER: alphabetical order of alkyl groups + amine
amino acid sequence - CORRECT ANSWER: sequence of amino acid that makes up the protein- is
CRITICAL
denoted from the free amino group (N-terminal)
to the Free Carboxyl group ( C-terminal)
Amino Acids - CORRECT ANSWER: contain an
Amine Group
Carboxylate group( attached to same C aplha C)
R- group
amino acids of proteins are linked by - CORRECT ANSWER: amide linkages
amino acids produce proteins through - CORRECT ANSWER: condensation polymerization
by product is H2O
amino group - CORRECT ANSWER: -NH2
Amine
Amount of substance - CORRECT ANSWER: mole (mol)
Amylopectin - CORRECT ANSWER: branched starch
, amylose - CORRECT ANSWER: simplest form of starch
no branches just chains
Anabolism - CORRECT ANSWER: the synthesis of molecules in a cell
analyze/theory - CORRECT ANSWER: use the information to draw a conclusion about experiment
was your hypothesis correct?
aniline - CORRECT ANSWER: aminobenzene
amino group attached to a benzene ring
Anion - CORRECT ANSWER: A negatively charged ion
anion charge -/nonmetals - CORRECT ANSWER: name of anion is the root + ide
Cl= chloride
O2= oxide
Anode - CORRECT ANSWER: The positive electrode in electrolysis.
Antacids - CORRECT ANSWER: counteract or neutralize acidity, usually in the stomach
Antoine Becquerel and Marie Curie - CORRECT ANSWER: discovered and observed radioactivity and
how these cause atoms to break down spontaneously
Applied Research - CORRECT ANSWER: studying a specific problem in industry or environment
Applied Research Exampe - CORRECT ANSWER: George Washington Carver
Peanuts/ developed 300 peanut products
Aristotle - CORRECT ANSWER: A Greek Philosopher,
all matter is composed of 4 elements
all matter is continuous not atomistic
WEAF- water, earth, air, water
aromatic hydrocarbons - CORRECT ANSWER: contain a benzene ring or have properties similar to those
of benzene
artificial photosynthesis - CORRECT ANSWER: can be used to generate hydrogen fuel
H fuel can then be reacted with O to produce heat and electricity
water---->hydrogen + oxygen
atomic number - CORRECT ANSWER: the number of protons in the nucleus of an atom
Atomos - CORRECT ANSWER: Lecuippus/democritus
point at which matter can no longer be subdivided
Atoms - CORRECT ANSWER: Building blocks of matter
smallest particle in an element
Avogadro's Gas Law - CORRECT ANSWER: V1/n1=V2/n2
fixed temp and fixed pressure
Avogadro's number - CORRECT ANSWER: 6.02 x 10^23
number of atoms in a 12-g carbon same as carbon-12
C- atomic mass is 12 amu
12 g C= 1 mol
