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Biology 180 final exam BYUI ACTUAL VERIFIED EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
LATEST UPDATE THIS YEAR.pdf||NEWEST EXAM!!!
Which of the following elements has a valence of two?
Oxygen
Sulfur
Hydrogen
Beryllium - Answer-Oxygen and Sulfur
What type of bond is formed by the equal sharing of
valence electrons? - Answer-A non-polar covalent bond
Polar molecules, such as water, will commonly participate
in which of the following intermolecular interactions
Van der Waal interaction with polar molecules
Electrostatic interaction with ionic compounds
Hydrogen bonding with polar molecules
Hydrogen bonding with non-polar molecules - Answer-
Hydrogen bonding with polar molecules.
Electrostatic interaction with ionic compounds.
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Which of the following compounds would have the
capability of forming a hydrogen bond? - Answer-A
molecule formed by polar covalent bonds.
What is the concentration of a solution with a volume of
300 mL containing 24 grams of sucrose (C12H22O11)? -
Answer-8%
A weak acid like acetic acid: - Answer-Will resist changes
in pH so long as the pH is near the pKa.
Which of the following are true regarding pKa?
pKa is the negative logarithm of the Ka.
pKa is the pH when the conjugate base and weak acid are
at the same concentration.
pKa is physical characteristic of each unique buffering
system
pH = pKa + log ([A-] / [HA]) - Answer-pKa is the negative
logarithm of the Ka.
pKa is the pH when the conjugate base and weak acid are
at the same concentration.
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pKa is physical characteristic of each unique buffering
system
pH = pKa + log ([A-] / [HA])
The longer the wavelength the higher the energy of an
electromagnetic wave - Answer-False
Which of the following definitions best defines the term
specific heat?
The amount of energy required to raise 1 g of liquid 1°C
The total kinetic energy of a liquid
The average kinetic energy of a liquid at 100°C
The temperature of a liquid at its boiling point - Answer-
The amount of energy required to raise 1 g of liquid 1°C
geometrical isomers - Answer-have a c=c double bond
one being cis (same side) and one being trans (opposite
sides)
Please order the characteristics you should consider in the
proper sequence when comparing two molecules and
trying to identify their relationship:
Biology 180 final exam BYUI ACTUAL VERIFIED EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
LATEST UPDATE THIS YEAR.pdf||NEWEST EXAM!!!
Which of the following elements has a valence of two?
Oxygen
Sulfur
Hydrogen
Beryllium - Answer-Oxygen and Sulfur
What type of bond is formed by the equal sharing of
valence electrons? - Answer-A non-polar covalent bond
Polar molecules, such as water, will commonly participate
in which of the following intermolecular interactions
Van der Waal interaction with polar molecules
Electrostatic interaction with ionic compounds
Hydrogen bonding with polar molecules
Hydrogen bonding with non-polar molecules - Answer-
Hydrogen bonding with polar molecules.
Electrostatic interaction with ionic compounds.
,2|Page
Which of the following compounds would have the
capability of forming a hydrogen bond? - Answer-A
molecule formed by polar covalent bonds.
What is the concentration of a solution with a volume of
300 mL containing 24 grams of sucrose (C12H22O11)? -
Answer-8%
A weak acid like acetic acid: - Answer-Will resist changes
in pH so long as the pH is near the pKa.
Which of the following are true regarding pKa?
pKa is the negative logarithm of the Ka.
pKa is the pH when the conjugate base and weak acid are
at the same concentration.
pKa is physical characteristic of each unique buffering
system
pH = pKa + log ([A-] / [HA]) - Answer-pKa is the negative
logarithm of the Ka.
pKa is the pH when the conjugate base and weak acid are
at the same concentration.
, 3|Page
pKa is physical characteristic of each unique buffering
system
pH = pKa + log ([A-] / [HA])
The longer the wavelength the higher the energy of an
electromagnetic wave - Answer-False
Which of the following definitions best defines the term
specific heat?
The amount of energy required to raise 1 g of liquid 1°C
The total kinetic energy of a liquid
The average kinetic energy of a liquid at 100°C
The temperature of a liquid at its boiling point - Answer-
The amount of energy required to raise 1 g of liquid 1°C
geometrical isomers - Answer-have a c=c double bond
one being cis (same side) and one being trans (opposite
sides)
Please order the characteristics you should consider in the
proper sequence when comparing two molecules and
trying to identify their relationship:
