Home › Quizzes › Chemical Thermodynamics

Chemical Thermodynamics

Chemical Thermodynamics Quiz

15 Questions Published
Play Quiz Practise this topic out loud

Questions

Question 1 Multiple Choice (Single Answer)

The branch of thermodynamics that deals with the relationship between heat and other forms of energy in chemical reactions is called:

  1. Chemical Thermodynamics
  2. Physical Thermodynamics
  3. Statistical Thermodynamics
  4. Quantum Thermodynamics
Question 2 Multiple Choice (Single Answer)

The first law of thermodynamics states that:

  1. Energy can be created or destroyed.
  2. Energy can be transferred from one form to another.
  3. The total amount of energy in the universe is constant.
  4. All of the above.
Question 3 Multiple Choice (Single Answer)

The second law of thermodynamics states that:

  1. The entropy of an isolated system always increases.
  2. The entropy of an isolated system always decreases.
  3. The entropy of an isolated system remains constant.
  4. None of the above.
Question 4 Multiple Choice (Single Answer)

The third law of thermodynamics states that:

  1. The entropy of a perfect crystal at absolute zero is zero.
  2. The entropy of a perfect crystal at absolute zero is not zero.
  3. The entropy of a perfect crystal at absolute zero is undefined.
  4. None of the above.
Question 5 Multiple Choice (Single Answer)

The enthalpy of a system is defined as:

  1. The total amount of energy in the system.
  2. The internal energy of the system plus the product of the pressure and volume.
  3. The difference between the internal energy of the system and the product of the pressure and volume.
  4. None of the above.
Question 6 Multiple Choice (Single Answer)

The entropy of a system is defined as:

  1. The measure of the disorder of the system.
  2. The measure of the energy of the system.
  3. The measure of the volume of the system.
  4. None of the above.
Question 7 Multiple Choice (Single Answer)

The Gibbs free energy of a system is defined as:

  1. The enthalpy of the system minus the product of the temperature and entropy.
  2. The internal energy of the system minus the product of the temperature and entropy.
  3. The enthalpy of the system plus the product of the temperature and entropy.
  4. None of the above.
Question 8 Multiple Choice (Single Answer)

The equilibrium constant for a chemical reaction is defined as:

  1. The ratio of the concentrations of the reactants to the concentrations of the products.
  2. The ratio of the partial pressures of the reactants to the partial pressures of the products.
  3. The ratio of the activities of the reactants to the activities of the products.
  4. All of the above.
Question 9 Multiple Choice (Single Answer)

The van 't Hoff equation relates:

  1. The equilibrium constant of a reaction to the temperature.
  2. The enthalpy of a reaction to the temperature.
  3. The entropy of a reaction to the temperature.
  4. The Gibbs free energy of a reaction to the temperature.
Question 10 Multiple Choice (Single Answer)

The Clausius-Clapeyron equation relates:

  1. The vapor pressure of a liquid to the temperature.
  2. The boiling point of a liquid to the pressure.
  3. The freezing point of a liquid to the pressure.
  4. All of the above.
Question 11 Multiple Choice (Single Answer)

The Trouton's rule states that:

  1. The entropy of vaporization of a liquid is approximately constant.
  2. The enthalpy of vaporization of a liquid is approximately constant.
  3. The Gibbs free energy of vaporization of a liquid is approximately constant.
  4. None of the above.
Question 12 Multiple Choice (Single Answer)

The Hess's law states that:

  1. The enthalpy change of a reaction is independent of the path taken.
  2. The entropy change of a reaction is independent of the path taken.
  3. The Gibbs free energy change of a reaction is independent of the path taken.
  4. All of the above.
Question 13 Multiple Choice (Single Answer)

The Le Chatelier's principle states that:

  1. If a change of condition is applied to a system in equilibrium, the system will shift in a direction that relieves the stress.
  2. If a change of condition is applied to a system in equilibrium, the system will shift in a direction that increases the stress.
  3. If a change of condition is applied to a system in equilibrium, the system will not shift.
  4. None of the above.
Question 14 Multiple Choice (Single Answer)

The third law of thermodynamics is also known as:

  1. The law of unattainability of absolute zero.
  2. The law of increasing entropy.
  3. The law of conservation of energy.
  4. None of the above.
Question 15 Multiple Choice (Single Answer)

The term 'exergonic' refers to:

  1. A reaction that releases energy.
  2. A reaction that absorbs energy.
  3. A reaction that is in equilibrium.
  4. None of the above.
← Back to Quizzes