Grand Canyon University CHEM 210 Organic Chemistry I Exam 2
(pdf) | 2026/2027 | Organic Chemistry I Q&A | Chemistry
1. What does the mnemonic "OIL RIG" stand for in the context of redox
reactions?
A) Oxidation Is Loss, Reduction Is Gain
B) Oxidation Is Gain, Reduction Is Loss
C) Oxygen Is Lost, Reduction Is Gained
D) Oxidation Involves Loss, Reduction Involves Gain
Correct Answer: Oxidation Is Loss, Reduction Is Gain
Rationale: "OIL RIG" is a common mnemonic used to remember the
definitions of oxidation and reduction in redox reactions. Oxidation is the loss
of electrons, making the species more positive, while reduction is the gain of
electrons, making the species more negative.
2. The two types of energy are:
A) Thermal and chemical
B) Kinetic and potential
C) Mechanical and electrical
D) Radiant and nuclear
Correct Answer: Kinetic and potential
Rationale: Kinetic energy is the energy of motion, while potential energy is
stored energy that can be released at a later time. These are the two
fundamental forms of mechanical energy.
3. The difference between heat and temperature is that:
,A) Heat is measured in Kelvins; temperature is measured in calories
B) Heat and temperature are the same thing
C) Heat is measured in calories and joules; temperature is measured in
Kelvins
D) Heat is a form of potential energy; temperature is a form of kinetic energy
Correct Answer: Heat is measured in calories and joules; temperature is
measured in Kelvins
Rationale: Heat is a form of energy transfer measured in calories or joules.
Temperature is a measure of the average kinetic energy of particles and is
measured in Kelvins (or degrees Celsius/Fahrenheit).
4. The relationship between particle speed and heat is that:
A) Slower particles produce more heat
B) Particle speed and heat are unrelated
C) Faster particles produce more heat
D) Heat decreases particle speed
Correct Answer: Faster particles produce more heat
Rationale: The faster particles move, the higher the amount of heat they
generate. Heat is directly related to the kinetic energy of particles.
5. One calorie is equal to how many joules?
A) 1.000 J
B) 4.184 J
C) 8.314 J
,D) 0.239 J
Correct Answer: 4.184 J
Rationale: One calorie is defined as exactly 4.184 joules. This conversion
factor is essential for energy calculations in chemistry.
6. The energy conversion factor for carbohydrates is:
A) 4 kcal/g
B) 9 kcal/g
C) 4 cal/g
D) 9 cal/g
Correct Answer: 4 kcal/g
Rationale: Carbohydrates provide approximately 4 kilocalories (kcal) per
gram. This is a standard value used in nutritional calculations.
7. Which of the following is the correct equation for specific heat?
A) q = m × ΔT / C
B) q = m × C × ΔT
C) q = C × ΔT / m
D) q = m × ΔT
Correct Answer: q = m × C × ΔT
, Rationale: The specific heat equation is q = m × C × ΔT, where q is energy
(heat), m is mass, C is specific heat capacity, and ΔT is the change in
temperature.
8. Which of the following is NOT a characteristic of a solid?
A) Fixed shape
B) Fixed volume
C) Molecules are tightly packed
D) Molecules move rapidly
Correct Answer: Molecules move rapidly
Rationale: In solids, molecules are tightly packed, move slowly, and have
strong intermolecular forces. Rapid molecular motion is characteristic of
gases.
9. Which of the following is a characteristic of a liquid?
A) Fixed shape
B) Fixed volume
C) Molecules move rapidly
D) Molecules are tightly packed
Correct Answer: Fixed volume
Rationale: Liquids have a fixed volume but take the shape of their container.
Molecules in a liquid move slower than gases but faster than solids.
10. Which of the following is a characteristic of a gas?
(pdf) | 2026/2027 | Organic Chemistry I Q&A | Chemistry
1. What does the mnemonic "OIL RIG" stand for in the context of redox
reactions?
A) Oxidation Is Loss, Reduction Is Gain
B) Oxidation Is Gain, Reduction Is Loss
C) Oxygen Is Lost, Reduction Is Gained
D) Oxidation Involves Loss, Reduction Involves Gain
Correct Answer: Oxidation Is Loss, Reduction Is Gain
Rationale: "OIL RIG" is a common mnemonic used to remember the
definitions of oxidation and reduction in redox reactions. Oxidation is the loss
of electrons, making the species more positive, while reduction is the gain of
electrons, making the species more negative.
2. The two types of energy are:
A) Thermal and chemical
B) Kinetic and potential
C) Mechanical and electrical
D) Radiant and nuclear
Correct Answer: Kinetic and potential
Rationale: Kinetic energy is the energy of motion, while potential energy is
stored energy that can be released at a later time. These are the two
fundamental forms of mechanical energy.
3. The difference between heat and temperature is that:
,A) Heat is measured in Kelvins; temperature is measured in calories
B) Heat and temperature are the same thing
C) Heat is measured in calories and joules; temperature is measured in
Kelvins
D) Heat is a form of potential energy; temperature is a form of kinetic energy
Correct Answer: Heat is measured in calories and joules; temperature is
measured in Kelvins
Rationale: Heat is a form of energy transfer measured in calories or joules.
Temperature is a measure of the average kinetic energy of particles and is
measured in Kelvins (or degrees Celsius/Fahrenheit).
4. The relationship between particle speed and heat is that:
A) Slower particles produce more heat
B) Particle speed and heat are unrelated
C) Faster particles produce more heat
D) Heat decreases particle speed
Correct Answer: Faster particles produce more heat
Rationale: The faster particles move, the higher the amount of heat they
generate. Heat is directly related to the kinetic energy of particles.
5. One calorie is equal to how many joules?
A) 1.000 J
B) 4.184 J
C) 8.314 J
,D) 0.239 J
Correct Answer: 4.184 J
Rationale: One calorie is defined as exactly 4.184 joules. This conversion
factor is essential for energy calculations in chemistry.
6. The energy conversion factor for carbohydrates is:
A) 4 kcal/g
B) 9 kcal/g
C) 4 cal/g
D) 9 cal/g
Correct Answer: 4 kcal/g
Rationale: Carbohydrates provide approximately 4 kilocalories (kcal) per
gram. This is a standard value used in nutritional calculations.
7. Which of the following is the correct equation for specific heat?
A) q = m × ΔT / C
B) q = m × C × ΔT
C) q = C × ΔT / m
D) q = m × ΔT
Correct Answer: q = m × C × ΔT
, Rationale: The specific heat equation is q = m × C × ΔT, where q is energy
(heat), m is mass, C is specific heat capacity, and ΔT is the change in
temperature.
8. Which of the following is NOT a characteristic of a solid?
A) Fixed shape
B) Fixed volume
C) Molecules are tightly packed
D) Molecules move rapidly
Correct Answer: Molecules move rapidly
Rationale: In solids, molecules are tightly packed, move slowly, and have
strong intermolecular forces. Rapid molecular motion is characteristic of
gases.
9. Which of the following is a characteristic of a liquid?
A) Fixed shape
B) Fixed volume
C) Molecules move rapidly
D) Molecules are tightly packed
Correct Answer: Fixed volume
Rationale: Liquids have a fixed volume but take the shape of their container.
Molecules in a liquid move slower than gases but faster than solids.
10. Which of the following is a characteristic of a gas?
