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Questions and Answers
Which of the following is a basic principle of thermodynamics?
Which of the following is a basic principle of thermodynamics?
- Energy cannot be created or destroyed (correct)
- Entropy always decreases in isolated systems
- Time is a variable in all thermodynamic equations
- Temperature always flows from cold to hot objects
What is the second law of thermodynamics concerned with?
What is the second law of thermodynamics concerned with?
- The behavior of ideal gases
- The efficiency of heat engines (correct)
- The relationship between pressure and volume
- The conservation of energy
In a closed system, what happens to the total entropy over time?
In a closed system, what happens to the total entropy over time?
- It always decreases
- It always increases (correct)
- It remains constant
- It fluctuates randomly
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