CHEM 103 FINAL TEST 2026 QUESTIONS
WITH CORRECT ANSWERS GRADED A+
◍ neutralization.
Answer: reaction between an acid and base to produce a salt and waterHCl +
NaOH -----> NaCl + H20
◍ Chlorate.
Answer: ClO3−
◍ sources background radiation.
Answer: cosmic radiationrocks and mineralsfood and drinkradon seepage in
buildings
◍ Perchlorate.
Answer: ClO4−
◍ basic solution.
Answer: H+ < OH-
◍ radioactive isotype.
Answer: has an unstable nucleus and emits radiation to become more stable
isotopes of elements may be stable or unstable
◍ Physical State Change.
Answer: A change in the physical state of the analyte that permits it to be
separated from other components of a sample in gravimetric analysis.
◍ law of conservation of matter.
Answer: states that matter can be neither created not destroyed
◍ element ( periodic table ).
Answer: pure substance where atoms all have the same atomic number
◍ Gravimetric Analysis.
, Answer: This type of analysis is used to determine the concentration of a
particular analyte in a sample.
◍ physical change.
Answer: change of state
◍ What is the symbol, allowed values, and physical meaning of the magnetic
quantum number?.
Answer: - ml - -l ≤ ml ≤ l - The orientation of the orbital.
◍ Hydrocarbons.
Answer: Compounds analyzed in combustion analysis to determine their
elemental composition.
◍ write balanced equation.
Answer: step 1
◍ barometer.
Answer: device that measures atm pressure
◍ What is the sign of when thermal energy is transferred from the system to
the surroundings?.
Answer: The value of will be negative.
◍ molar mass.
Answer: sum of all atomic masses in a compound
◍ compressibility.
Answer: measure of change in a volume due to a change in pressure
◍ % by volume.
Answer: %(v/v)= volume of solute/volume of solution x 100
◍ Buret.
Answer: A device used to make incremental additions of the titrant to the
analyte in titration analysis.
◍ pOH.
Answer: 14-H
,◍ change of state.
Answer: a substance change from one form to anotherTEMP IS ALWAYS
CONSTANT
◍ Phosphate.
Answer: PO43−
◍ solution.
Answer: homogeneous mixture solute + solvent
◍ partial pressure.
Answer: the pressure it would exert if it were the only gas in the container
◍ intermolecular force.
Answer: an attractive force that acts between a molecule and another
molecule
◍ Permanganate.
Answer: MnO4−
◍ Charles's Law.
Answer: As the temperature of a gas (in K) increases, the volume increases
when the pressure and moles of gas are held constant. Also, as the
temperature of the gas (in K) decreases, the volume decreases.
◍ What factors are used to calculate the amount of heat involved in a
reaction?.
Answer: The temperature change, specific heat, and mass of the solution.
◍ decomposition.
Answer: one reactant becomes 2 productsXY ----> X + Y
◍ Hypochlorite.
Answer: ClO−
◍ rate of evaporation.
Answer: increases with temperature
◍ medical applications.
, Answer: radioisotopes with short half-livesare used in nuclear medicinehave
the same chemistry in the body as the nonradioactivein the body give off
radiation that exposes a photographic plate (scan), which gives an image of
an organ
◍ Sulfate.
Answer: SO42−
◍ 1.00 atm equals .......
Answer: 1 torr
◍ bond polarity.
Answer: measure of the degree of in equality in sharing of electrons between
2 atoms in a chemical bond
◍ Compare and contrast metals, nonmetals, and metalloids..
Answer: - Metals are shiny and malleable while nonmetals are dull and
brittle. - Metals are good conductors of heat and electricity while nonmetals
are poor conductors of heat and electricity. - Metalloids conduct heat and
electricity moderately well and have properties of both metals and
nonmetals.
◍ london dispersion.
Answer: weak temporary intermolecular forces that occur between polar and
non polar molecules
◍ reducing agent is.
Answer: oxidized so electrons lost
◍ gamma radiation.
Answer: gamma radiation is energy emitted from an unstable nucleus
indicated by mIn a nuclear equation for gamma emission, the mass number
and the atomic number are the same99mTc----->99Tc + Y43 43
◍ Avogadro's Law.
Answer: As the number of moles of gas increases, the volume increases
when the temperature and volume are held constant. Also, as the number of
WITH CORRECT ANSWERS GRADED A+
◍ neutralization.
Answer: reaction between an acid and base to produce a salt and waterHCl +
NaOH -----> NaCl + H20
◍ Chlorate.
Answer: ClO3−
◍ sources background radiation.
Answer: cosmic radiationrocks and mineralsfood and drinkradon seepage in
buildings
◍ Perchlorate.
Answer: ClO4−
◍ basic solution.
Answer: H+ < OH-
◍ radioactive isotype.
Answer: has an unstable nucleus and emits radiation to become more stable
isotopes of elements may be stable or unstable
◍ Physical State Change.
Answer: A change in the physical state of the analyte that permits it to be
separated from other components of a sample in gravimetric analysis.
◍ law of conservation of matter.
Answer: states that matter can be neither created not destroyed
◍ element ( periodic table ).
Answer: pure substance where atoms all have the same atomic number
◍ Gravimetric Analysis.
, Answer: This type of analysis is used to determine the concentration of a
particular analyte in a sample.
◍ physical change.
Answer: change of state
◍ What is the symbol, allowed values, and physical meaning of the magnetic
quantum number?.
Answer: - ml - -l ≤ ml ≤ l - The orientation of the orbital.
◍ Hydrocarbons.
Answer: Compounds analyzed in combustion analysis to determine their
elemental composition.
◍ write balanced equation.
Answer: step 1
◍ barometer.
Answer: device that measures atm pressure
◍ What is the sign of when thermal energy is transferred from the system to
the surroundings?.
Answer: The value of will be negative.
◍ molar mass.
Answer: sum of all atomic masses in a compound
◍ compressibility.
Answer: measure of change in a volume due to a change in pressure
◍ % by volume.
Answer: %(v/v)= volume of solute/volume of solution x 100
◍ Buret.
Answer: A device used to make incremental additions of the titrant to the
analyte in titration analysis.
◍ pOH.
Answer: 14-H
,◍ change of state.
Answer: a substance change from one form to anotherTEMP IS ALWAYS
CONSTANT
◍ Phosphate.
Answer: PO43−
◍ solution.
Answer: homogeneous mixture solute + solvent
◍ partial pressure.
Answer: the pressure it would exert if it were the only gas in the container
◍ intermolecular force.
Answer: an attractive force that acts between a molecule and another
molecule
◍ Permanganate.
Answer: MnO4−
◍ Charles's Law.
Answer: As the temperature of a gas (in K) increases, the volume increases
when the pressure and moles of gas are held constant. Also, as the
temperature of the gas (in K) decreases, the volume decreases.
◍ What factors are used to calculate the amount of heat involved in a
reaction?.
Answer: The temperature change, specific heat, and mass of the solution.
◍ decomposition.
Answer: one reactant becomes 2 productsXY ----> X + Y
◍ Hypochlorite.
Answer: ClO−
◍ rate of evaporation.
Answer: increases with temperature
◍ medical applications.
, Answer: radioisotopes with short half-livesare used in nuclear medicinehave
the same chemistry in the body as the nonradioactivein the body give off
radiation that exposes a photographic plate (scan), which gives an image of
an organ
◍ Sulfate.
Answer: SO42−
◍ 1.00 atm equals .......
Answer: 1 torr
◍ bond polarity.
Answer: measure of the degree of in equality in sharing of electrons between
2 atoms in a chemical bond
◍ Compare and contrast metals, nonmetals, and metalloids..
Answer: - Metals are shiny and malleable while nonmetals are dull and
brittle. - Metals are good conductors of heat and electricity while nonmetals
are poor conductors of heat and electricity. - Metalloids conduct heat and
electricity moderately well and have properties of both metals and
nonmetals.
◍ london dispersion.
Answer: weak temporary intermolecular forces that occur between polar and
non polar molecules
◍ reducing agent is.
Answer: oxidized so electrons lost
◍ gamma radiation.
Answer: gamma radiation is energy emitted from an unstable nucleus
indicated by mIn a nuclear equation for gamma emission, the mass number
and the atomic number are the same99mTc----->99Tc + Y43 43
◍ Avogadro's Law.
Answer: As the number of moles of gas increases, the volume increases
when the temperature and volume are held constant. Also, as the number of
