AAMC FL 1 FULL REVIEW- Chem/Phys Questions and Answers | Latest Update | 2024/2025 | 100% Pass
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Course
AAMC FL 1
Institution
AAMC FL 1
AAMC FL 1 FULL REVIEW- Chem/Phys
Questions and Answers | Latest Update |
2024/2025 | 100% Pass
What is the primary function of a catalyst in a chemical reaction?
- A) To increase the reaction temperature
- B) To shift the equilibrium position
- C) To lower the activation energy
- D) To...
AAMC FL 1 FULL REVIEW- Chem/Phys
Questions and Answers | Latest Update |
2024/2025 | 100% Pass
What is the primary function of a catalyst in a chemical reaction?
- A) To increase the reaction temperature
- B) To shift the equilibrium position
- C) To lower the activation energy
- D) To change the equilibrium constant
✔✔ C) To lower the activation energy
Rationale: A catalyst speeds up a chemical reaction by providing an alternative reaction pathway
with a lower activation energy, without being consumed in the process.
In a closed system where a reaction reaches equilibrium, which of the following is true about the
rates of the forward and reverse reactions?
- A) The forward reaction rate is always greater than the reverse reaction rate.
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,- B) The reverse reaction rate is always greater than the forward reaction rate.
- C) The rates of the forward and reverse reactions are equal.
- D) The rates of the forward and reverse reactions are zero.
✔✔ C) The rates of the forward and reverse reactions are equal.
Rationale: At equilibrium, the rates of the forward and reverse reactions are equal, resulting in no
net change in the concentrations of the reactants and products.
How does the frequency of a light wave relate to its energy?
- A) Energy is directly proportional to frequency.
- B) Energy is inversely proportional to frequency.
- C) Energy is independent of frequency.
- D) Energy is proportional to the square of the frequency.
✔✔ A) Energy is directly proportional to frequency.
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,Rationale: The energy of a photon is directly proportional to its frequency, according to the
equation \( E = h \nu \), where \( E \) is energy, \( h \) is Planck’s constant, and \( \nu \) is
frequency.
What effect does increasing the temperature have on the solubility of most solid solutes in water?
- A) Solubility decreases.
- B) Solubility remains unchanged.
- C) Solubility increases.
- D) Solubility first increases, then decreases.
✔✔ C) Solubility increases.
Rationale: For most solid solutes, solubility in water increases with temperature due to the
increased kinetic energy of the molecules, which helps dissolve the solute.
Which of the following statements is true for an ideal gas?
- A) The volume of gas molecules is significant compared to the container volume.
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, - B) Gas molecules experience intermolecular forces.
- C) Gas molecules are in constant, random motion.
- D) The temperature of an ideal gas is not related to its kinetic energy.
✔✔ C) Gas molecules are in constant, random motion.
Rationale: In an ideal gas, the molecules are assumed to be in constant, random motion, and
there are no significant intermolecular forces or molecular volumes affecting the behavior of the
gas.
What happens to the kinetic energy of a gas when its temperature is doubled, assuming constant
volume?
- A) Kinetic energy is halved.
- B) Kinetic energy is doubled.
- C) Kinetic energy is quadrupled.
- D) Kinetic energy remains the same.
✔✔ B) Kinetic energy is doubled.
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