Questions: What is the zeroth law of thermodynamics?
- The temperature of a system can never reach absolute zero.
- There is a maximum temperature.
- Work done on a system decreases entropy.
- Two systems in thermal equilibrium with a third system are in equilibrium with each other.
Transcript text: What is the zeroth law of thermodynamics?
The temperature of a system can never reach absolute zero.
There is a maximum temperature.
Work done on a system decreases entropy.
Two systems in thermal equilibrium with a third system are in equilibrium with each other.
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Solution
Solution Steps
Step 1: Understanding the Zeroth Law of Thermodynamics
The zeroth law of thermodynamics is a fundamental principle that establishes the concept of temperature and thermal equilibrium. It states that if two systems are each in thermal equilibrium with a third system, then they are in thermal equilibrium with each other.
Step 2: Analyzing the Given Options
Let's analyze each option to determine which one correctly describes the zeroth law of thermodynamics:
Option 1: "The temperature of a system can never reach absolute zero." This statement is related to the third law of thermodynamics, not the zeroth law.
Option 2: "There is a maximum temperature." This statement is not related to any specific law of thermodynamics.
Option 3: "Work done on a system decreases entropy." This statement is related to the second law of thermodynamics, not the zeroth law.
Option 4: "Two systems in thermal equilibrium with a third system are in equilibrium with each other." This statement correctly describes the zeroth law of thermodynamics.
Final Answer
The correct answer is: \(\boxed{\text{Two systems in thermal equilibrium with a third system are in equilibrium with each other.}}\)