General, Organic, and Biological
Chemistry Final Exam
(glutamate and lysine 'R' groups) the area on the enzyme that interacts with the substrate is called
the _____ - ANSWER active site
a bond where the electrons are shared unequally is called a(n): - ANSWER polar covalent
a bronsted-lowry base is defined as a substance which: - ANSWER decreases (H+) when
placed in water
a Calorie is equivalent to 1000 calories - ANSWER true
a carbohydrate with 4 carbons is called a - ANSWER tetrose
a carbohydrate with 6 carbons and a ketone functional group is called a -
ANSWER ketohexose
a correct set of complimentary base pairs in DNA are.. - ANSWER TA
A double bond involves the sharing of _____ electron(s) between the atoms - ANSWER 4
A homogenous mixture consists of 34% ethanol and 66% isopropanol. Which of these is the solute of
the mixture? - ANSWER Ethanol
a hydrocarbon is composed of - ANSWER hydrogen and carbon
a ketone is a what - ANSWER oxygen double bonded to a carbon
a nucleotide with a long half-life will decay more rapidly than one with a short half-life -
ANSWER false
a solution of sodium chloride when added to a solution of silver nitrate produces a white precipitate
of silver chloride. What reaction is this? - ANSWER combination
a triglyceride contains three fatty acid building blocks - ANSWER true
a water solution of acetic acid, vinegar, barely lights a light bulb. this property means that vinegar is
a(n): - ANSWER weak electrolyte
a-D-glucose and b-D-glucose are - ANSWER anomers
air is a pure substance - ANSWER false
all the different kinds of substances that make up all of the material of the universe are known
collectively as: - ANSWER matter
an aldehyde is a what - ANSWER carbon with a double bonded oxygen and a single bonded
hydrogen
an enzyme is a biological catalyst - ANSWER true
an ester is a what - ANSWER carbon double bonded to oxygen single bonded to OR'
An exergonic reaction is always spontaneous - ANSWER true
, General, Organic, and Biological
Chemistry Final Exam
an ion with an atomic number of 13 and 10 electrons has a ____ charge - ANSWER +3
antimony is a metal - ANSWER true
atoms are electrically neutral - ANSWER true
Consider the weak acid HCO3- whose pKa = 10.32, which form will the predominate when the pH of
the solution equal 12? - ANSWER HCO3-
conversion of an alcohol to a ketone involves oxidation - ANSWER true
convert 152 miles into kilometers into kilometers, using proper significant figures, given that 1 mile is
1.609 km - ANSWER 245 km
for a series of small molecules of comparable molecular weight, which one of the following choices
lists the intermolecular forces in the correct increasing order - ANSWER London forces <
dipole dipole forces < hydrogen bonds
form of radiation that has no mass - ANSWER gamma rays
given the following reaction, write the equilibrium expression: C (s) + 2H2 (g) <--> CH4 (g) -
ANSWER [CH4]/[H2]2
glycogen is the storage polysaccharide in animals - ANSWER true
Guanine is what type of nitrogenous base? - ANSWER purine
how long is 1 cm in mm? - ANSWER 10 mm
how many amino acids are essential in humans - ANSWER 5
how many carbon atoms are in a propane molecule? - ANSWER 3
how many electrons can be contained in the first energy level? - ANSWER 2
how many monosaccharides are connected to each other in an oligosaccharide -
ANSWER 1-15
how many oxygen atoms are in the formula unit GaO(NO3)2 - ANSWER 7
How many single bonds does an atom of carbon normally make in a covalent molecule if there are no
double or triple bonds? - ANSWER 4
if a scuba diver's lungs have a normal capacity of 4.9 L at sea level (1.0 atm), what would be the
volume of her lungs if the pressure at a depth of 50 ft is 975 mmHh? [1 atm = 760 mmHg] -
ANSWER 3.8 L
In a basic solution, pH is _______, and H3O+ is _____ - ANSWER > 7, 1 x 10^-7
in a lipid bilayer... - ANSWER the hydrophobic tails of the molecules point towards
eachother
Chemistry Final Exam
(glutamate and lysine 'R' groups) the area on the enzyme that interacts with the substrate is called
the _____ - ANSWER active site
a bond where the electrons are shared unequally is called a(n): - ANSWER polar covalent
a bronsted-lowry base is defined as a substance which: - ANSWER decreases (H+) when
placed in water
a Calorie is equivalent to 1000 calories - ANSWER true
a carbohydrate with 4 carbons is called a - ANSWER tetrose
a carbohydrate with 6 carbons and a ketone functional group is called a -
ANSWER ketohexose
a correct set of complimentary base pairs in DNA are.. - ANSWER TA
A double bond involves the sharing of _____ electron(s) between the atoms - ANSWER 4
A homogenous mixture consists of 34% ethanol and 66% isopropanol. Which of these is the solute of
the mixture? - ANSWER Ethanol
a hydrocarbon is composed of - ANSWER hydrogen and carbon
a ketone is a what - ANSWER oxygen double bonded to a carbon
a nucleotide with a long half-life will decay more rapidly than one with a short half-life -
ANSWER false
a solution of sodium chloride when added to a solution of silver nitrate produces a white precipitate
of silver chloride. What reaction is this? - ANSWER combination
a triglyceride contains three fatty acid building blocks - ANSWER true
a water solution of acetic acid, vinegar, barely lights a light bulb. this property means that vinegar is
a(n): - ANSWER weak electrolyte
a-D-glucose and b-D-glucose are - ANSWER anomers
air is a pure substance - ANSWER false
all the different kinds of substances that make up all of the material of the universe are known
collectively as: - ANSWER matter
an aldehyde is a what - ANSWER carbon with a double bonded oxygen and a single bonded
hydrogen
an enzyme is a biological catalyst - ANSWER true
an ester is a what - ANSWER carbon double bonded to oxygen single bonded to OR'
An exergonic reaction is always spontaneous - ANSWER true
, General, Organic, and Biological
Chemistry Final Exam
an ion with an atomic number of 13 and 10 electrons has a ____ charge - ANSWER +3
antimony is a metal - ANSWER true
atoms are electrically neutral - ANSWER true
Consider the weak acid HCO3- whose pKa = 10.32, which form will the predominate when the pH of
the solution equal 12? - ANSWER HCO3-
conversion of an alcohol to a ketone involves oxidation - ANSWER true
convert 152 miles into kilometers into kilometers, using proper significant figures, given that 1 mile is
1.609 km - ANSWER 245 km
for a series of small molecules of comparable molecular weight, which one of the following choices
lists the intermolecular forces in the correct increasing order - ANSWER London forces <
dipole dipole forces < hydrogen bonds
form of radiation that has no mass - ANSWER gamma rays
given the following reaction, write the equilibrium expression: C (s) + 2H2 (g) <--> CH4 (g) -
ANSWER [CH4]/[H2]2
glycogen is the storage polysaccharide in animals - ANSWER true
Guanine is what type of nitrogenous base? - ANSWER purine
how long is 1 cm in mm? - ANSWER 10 mm
how many amino acids are essential in humans - ANSWER 5
how many carbon atoms are in a propane molecule? - ANSWER 3
how many electrons can be contained in the first energy level? - ANSWER 2
how many monosaccharides are connected to each other in an oligosaccharide -
ANSWER 1-15
how many oxygen atoms are in the formula unit GaO(NO3)2 - ANSWER 7
How many single bonds does an atom of carbon normally make in a covalent molecule if there are no
double or triple bonds? - ANSWER 4
if a scuba diver's lungs have a normal capacity of 4.9 L at sea level (1.0 atm), what would be the
volume of her lungs if the pressure at a depth of 50 ft is 975 mmHh? [1 atm = 760 mmHg] -
ANSWER 3.8 L
In a basic solution, pH is _______, and H3O+ is _____ - ANSWER > 7, 1 x 10^-7
in a lipid bilayer... - ANSWER the hydrophobic tails of the molecules point towards
eachother
