Neuroscience Fundamentals for Rehabilitation, 6th
Edition by Lundy-Ekman, 2023 Chapter 1-31
_____________________________________________________________________________________
what is the oxidation number of bismuth in Bi2O3
+3
which of the following is the definition of oxidation
oxidation is the loss of electrons
which substance is an oxidizing agent
H2O2
in a reaction, the substance undergoing reduction serves as the
oxidizing agent
in the reaction Fe2O3 + 3 H2 -> 2 Fe + 3H2O the reducing agent is
H2
antioxidants are
reducing agents found in foods
a nitride ion is
N3-
the law of combining volumes applies only to
gases
Acetylene (C2H2) burns in pure oxygen with a very hot flame the products of this reaction are carbon
dioxide and water. how much oxygen is required to react with 52.0g of acetylene
160.0g
you have a solution that contains 20 mL of ethanol in a total of 100 mL the concentration of this
solution is
20% by volume
Which of the following is NOT a property of an ionic compound? ionic compounds generally
have melting points lower than those of molecular compounds
for which of the following is hydrogen bonding NOT a prominent intermolecular force
CH4
,Phosphorus -30 decays by positron emission. the product is
Silicon -30
the number of electrons in a sodium ion, Na+, is
10
when two chlorine atoms combine with each other, the bond that forms is
non polar covalent
How many molecules are in 237g (about a cup) of water
7.93 x 10^24
a solution that is 1 molar contains
one mole of solute in 1 liter of solution
which of the following is a hydroxide ion
OH-
when added to water, which of the following would produce a base
Na2O
which of the following is the correct balanced equation for the neutralization of barium
Ba(OH)2 + 2HCl -> BaCl2 + 2H2O
which of the following form a conjugate acid-base pair?
H2SO4 and HSO4-
a mixture of a weak acid and its conjugate base forms a(n)
buffer
a substance undergoing oxidation will
lose electrons
when C3H8 (propane) is burned in oxygen, the products are
CO2 + H2O
in which of the following is the reactant undergoing reduction
C2H4O -> C2H6O
what type of forces exist between oxygen molecules in liquid oxygen
dispersion forces (induced dipoles)
,the statement that the volume of a fixed amount of a gas at a constant pressure is directly
proportional to its absolute temperature is known as _______ law
Charles's
Conversions between the Celcius and Kelvin temperatures scales are easily done because
both scales have the same total of degree units
Which of the following was NOT explained by dalton's atomic theory
the difference between isotopes of an element
which one of the following does NOT occur in a chemical reaction
atoms are changed into other atoms
the atomic masses for elements in the periodic table are
relative masses
electrolytes are important substances in the chemistry of living systems. an electrolyte is a compound
that
conducts electricity when melted or put into solution
a cathode is a
negative electrode
which type of radioactivity is NOT deflected by a magnetic field
Gamma, Y
the formula for butane is
C4H10
the unique aspect of a saturated hydrocarbon is that all the carbon-carbon bonds can be
only single bonds
compounds with a hydroxyl group attached directly to a benzene ring are called
phenols
the abbreviation ROR is used to represent the general formula of a(n)
ether
aldehydes and ketones share a common structural feature. that feature is the
carbonyl group
the compound below is a(n)
, O
//
CH3CH2C-H
aldehyde
the -COOH group is the
carboxylic acid group
the compound below is classified as a(n)
O
//
CH3CH2CH2C-OCH2CH3
ester
a carbonyl carbon bonded to nitrogen atom results in a(n)
amide
Nitrogen-13 has a half life of 10 minutes. how much of a 128 mg sample would remain after 40 min
8 mg
the isotope of carbon that is used for radioisotopic dating of previously living objects is
carbon -14
the use of radioisotopes in research and in medicine takes advantage of the fact that isotopes of a
given element
generally behave identically in chemical processes
in position emission tomography (PET), positron collides with an electron and the two particles
generate
a gamma ray
which one of the following is most penetrating
gamma ray
in the fission of uranium -235 which particle causes and propagates the chain reaction
neutron
which of the following was NOT a goal of the manhattan project
to determine the amount of uranium -235 needed for an atomic power plant
the spacecraft cassini has taken spectacular photographs of the planet saturn. cassini was launched in
1997 and was on mission until 2017 the craft was powered throughout this 20-year duration by
Edition by Lundy-Ekman, 2023 Chapter 1-31
_____________________________________________________________________________________
what is the oxidation number of bismuth in Bi2O3
+3
which of the following is the definition of oxidation
oxidation is the loss of electrons
which substance is an oxidizing agent
H2O2
in a reaction, the substance undergoing reduction serves as the
oxidizing agent
in the reaction Fe2O3 + 3 H2 -> 2 Fe + 3H2O the reducing agent is
H2
antioxidants are
reducing agents found in foods
a nitride ion is
N3-
the law of combining volumes applies only to
gases
Acetylene (C2H2) burns in pure oxygen with a very hot flame the products of this reaction are carbon
dioxide and water. how much oxygen is required to react with 52.0g of acetylene
160.0g
you have a solution that contains 20 mL of ethanol in a total of 100 mL the concentration of this
solution is
20% by volume
Which of the following is NOT a property of an ionic compound? ionic compounds generally
have melting points lower than those of molecular compounds
for which of the following is hydrogen bonding NOT a prominent intermolecular force
CH4
,Phosphorus -30 decays by positron emission. the product is
Silicon -30
the number of electrons in a sodium ion, Na+, is
10
when two chlorine atoms combine with each other, the bond that forms is
non polar covalent
How many molecules are in 237g (about a cup) of water
7.93 x 10^24
a solution that is 1 molar contains
one mole of solute in 1 liter of solution
which of the following is a hydroxide ion
OH-
when added to water, which of the following would produce a base
Na2O
which of the following is the correct balanced equation for the neutralization of barium
Ba(OH)2 + 2HCl -> BaCl2 + 2H2O
which of the following form a conjugate acid-base pair?
H2SO4 and HSO4-
a mixture of a weak acid and its conjugate base forms a(n)
buffer
a substance undergoing oxidation will
lose electrons
when C3H8 (propane) is burned in oxygen, the products are
CO2 + H2O
in which of the following is the reactant undergoing reduction
C2H4O -> C2H6O
what type of forces exist between oxygen molecules in liquid oxygen
dispersion forces (induced dipoles)
,the statement that the volume of a fixed amount of a gas at a constant pressure is directly
proportional to its absolute temperature is known as _______ law
Charles's
Conversions between the Celcius and Kelvin temperatures scales are easily done because
both scales have the same total of degree units
Which of the following was NOT explained by dalton's atomic theory
the difference between isotopes of an element
which one of the following does NOT occur in a chemical reaction
atoms are changed into other atoms
the atomic masses for elements in the periodic table are
relative masses
electrolytes are important substances in the chemistry of living systems. an electrolyte is a compound
that
conducts electricity when melted or put into solution
a cathode is a
negative electrode
which type of radioactivity is NOT deflected by a magnetic field
Gamma, Y
the formula for butane is
C4H10
the unique aspect of a saturated hydrocarbon is that all the carbon-carbon bonds can be
only single bonds
compounds with a hydroxyl group attached directly to a benzene ring are called
phenols
the abbreviation ROR is used to represent the general formula of a(n)
ether
aldehydes and ketones share a common structural feature. that feature is the
carbonyl group
the compound below is a(n)
, O
//
CH3CH2C-H
aldehyde
the -COOH group is the
carboxylic acid group
the compound below is classified as a(n)
O
//
CH3CH2CH2C-OCH2CH3
ester
a carbonyl carbon bonded to nitrogen atom results in a(n)
amide
Nitrogen-13 has a half life of 10 minutes. how much of a 128 mg sample would remain after 40 min
8 mg
the isotope of carbon that is used for radioisotopic dating of previously living objects is
carbon -14
the use of radioisotopes in research and in medicine takes advantage of the fact that isotopes of a
given element
generally behave identically in chemical processes
in position emission tomography (PET), positron collides with an electron and the two particles
generate
a gamma ray
which one of the following is most penetrating
gamma ray
in the fission of uranium -235 which particle causes and propagates the chain reaction
neutron
which of the following was NOT a goal of the manhattan project
to determine the amount of uranium -235 needed for an atomic power plant
the spacecraft cassini has taken spectacular photographs of the planet saturn. cassini was launched in
1997 and was on mission until 2017 the craft was powered throughout this 20-year duration by
