STRAIGHTLINER - CHM101 Final Exam
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Mass Number - correct answer total number of neutrons and protons in an atom; #
protons + # electrons
p - correct answer Most nonmetallic elements are found in which block of the
periodic table?
Positive matter is concentrated in the central core - correct answer Ernest Rutherford
disproved J.J. Thomson's plum-pudding model of the atom by showing that...
Potassium - correct answer Plants use up copious amounts of which alkali metal,
preventing most of it from being washed out to sea?
2:1:1:2 - correct answer What is the ratio of reactants and products in the chemical
equation?
__NaOH + __H2SO4 --> __Na2SO4 + __H2O
the number of ATOMS in 12g of Carbon-12
1 g = 6.022 × 1023 amu - correct answer What is Avogadro's number?
, STRAIGHTLINER - CHM101 Final Exam
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Mg - correct answer What is the reducing agent in the following equation?
Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2(g)
(s) < (l) < (g) - correct answer Which arrangement accurately describes the standard
entropy values at different phases?
2, 8, 20, 50, 82 or 126 protons - correct answer What are the most stable isotopes?
S = oxidized
N = reduced - correct answer What element has been oxidized and what element has
been reduced?
3CuS + 8HNO3 --> 3CuSO4 + 8NO + 4H2O
multiply the atomic mass (grams) by the number of moles - correct answer How do
you convert from moles to grams?
Divide the total number of grams by the atomic mass (grams) of 1 mole - correct
answer How do you convert from grams to moles?
, STRAIGHTLINER - CHM101 Final Exam
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Mass - correct answer measure of the amount of matter
Compound - correct answer made from atoms of 2+ elements that are chemically
bonded; cannot be separated into simpler substances by any physical process; can be
separated by a chemical reaction
Solid - correct answer Definite shape and volume
Doesn't conform to shape of container
Particles are very close together in orderly fashion with little freedom of motion
Liquid - correct answer Definite volume, indefinite shape
Conforms to shape of the part of the container it fills
Particles are close together but not rigidly in position with freedom to move past
each other
Gas - correct answer No definite shape or volume
Conforms to shape and volume of container
Particles separated by distances very large compared to size of particles
, STRAIGHTLINER - CHM101 Final Exam
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Physical Property - correct answer Color, melting point, boiling point
Observed and measured without changing identity of substance
Chemical Property - correct answer Observed by performing a chemical change
Mixture - correct answer Combination of 2+ elements, each retains its identity and
properties
Can be separated by physical means into pure components without changing identity
of compounds
Pure Substance - correct answer fixed composition and differs from a mixture (every
sample has same properties and composition)
Polyatomic Ion - correct answer molecule with a charge
contain more than 1 atom chemically bonded together
ions - correct answer atoms with charge formed by loss or gain of an electron
Cation - correct answer positive ion, may have roman numeral
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Mass Number - correct answer total number of neutrons and protons in an atom; #
protons + # electrons
p - correct answer Most nonmetallic elements are found in which block of the
periodic table?
Positive matter is concentrated in the central core - correct answer Ernest Rutherford
disproved J.J. Thomson's plum-pudding model of the atom by showing that...
Potassium - correct answer Plants use up copious amounts of which alkali metal,
preventing most of it from being washed out to sea?
2:1:1:2 - correct answer What is the ratio of reactants and products in the chemical
equation?
__NaOH + __H2SO4 --> __Na2SO4 + __H2O
the number of ATOMS in 12g of Carbon-12
1 g = 6.022 × 1023 amu - correct answer What is Avogadro's number?
, STRAIGHTLINER - CHM101 Final Exam
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Mg - correct answer What is the reducing agent in the following equation?
Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2(g)
(s) < (l) < (g) - correct answer Which arrangement accurately describes the standard
entropy values at different phases?
2, 8, 20, 50, 82 or 126 protons - correct answer What are the most stable isotopes?
S = oxidized
N = reduced - correct answer What element has been oxidized and what element has
been reduced?
3CuS + 8HNO3 --> 3CuSO4 + 8NO + 4H2O
multiply the atomic mass (grams) by the number of moles - correct answer How do
you convert from moles to grams?
Divide the total number of grams by the atomic mass (grams) of 1 mole - correct
answer How do you convert from grams to moles?
, STRAIGHTLINER - CHM101 Final Exam
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Mass - correct answer measure of the amount of matter
Compound - correct answer made from atoms of 2+ elements that are chemically
bonded; cannot be separated into simpler substances by any physical process; can be
separated by a chemical reaction
Solid - correct answer Definite shape and volume
Doesn't conform to shape of container
Particles are very close together in orderly fashion with little freedom of motion
Liquid - correct answer Definite volume, indefinite shape
Conforms to shape of the part of the container it fills
Particles are close together but not rigidly in position with freedom to move past
each other
Gas - correct answer No definite shape or volume
Conforms to shape and volume of container
Particles separated by distances very large compared to size of particles
, STRAIGHTLINER - CHM101 Final Exam
(NEW 2025/ 2026 Update) Introduction to
General, Organic, and Biochemistry
Questions & Answers Grade A 100%
Correct (Verified Solutions)
Physical Property - correct answer Color, melting point, boiling point
Observed and measured without changing identity of substance
Chemical Property - correct answer Observed by performing a chemical change
Mixture - correct answer Combination of 2+ elements, each retains its identity and
properties
Can be separated by physical means into pure components without changing identity
of compounds
Pure Substance - correct answer fixed composition and differs from a mixture (every
sample has same properties and composition)
Polyatomic Ion - correct answer molecule with a charge
contain more than 1 atom chemically bonded together
ions - correct answer atoms with charge formed by loss or gain of an electron
Cation - correct answer positive ion, may have roman numeral
