QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Which of the following statement(s) is(are) true?
Check all that apply.
If the value of one property changes value within the system, the state will change.
At a given state, all the properties of a system have fixed values.
At a given state, only the intensive properties of a system have fixed values.
In an equilibrium state, there are no unbalanced potentials.
For a system in a given state, if one property changes value, the state will remain unchanged.
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Step 1:Let's solve this step by step, carefully analyzing each statement about system states and properties.
Step 2:: Understanding System States and Properties
- A system state is defined by its measurable properties - Properties can be classified as intensive (independent of system size) or extensive (dependent on system size) - Equilibrium implies no unbalanced potentials or driving forces for change
Step 3:: Analyzing Statement 1
- $$\text{Verdict: TRUE}
"If the value of one property changes value within the system, the state will change." - When any property changes, the system moves to a new state - This indicates a fundamental characteristic of thermodynamic systems
Step 4:: Analyzing Statement 2
- $$\text{Verdict: TRUE}
"At a given state, all the properties of a system have fixed values." - In a well-defined state, all properties (pressure, temperature, volume, etc.) have specific, unique values - These values completely describe the system's condition at that moment
Step 5:: Analyzing Statement 3
- $$\text{Verdict: FALSE}
"At a given state, only the intensive properties of a system have fixed values." - BOTH intensive and extensive properties have fixed values at a given state - Intensive properties: temperature, pressure, density - Extensive properties: total mass, volume, total energy
Step 6:: Analyzing Statement 4
- $$\text{Verdict: TRUE}
"In an equilibrium state, there are no unbalanced potentials." - Equilibrium means no driving forces exist for spontaneous change - Thermal, mechanical, and chemical potentials are balanced
Step 7:: Analyzing Statement 5
- $$\text{Verdict: FALSE}
"For a system in a given state, if one property changes value, the state will remain unchanged." - This directly contradicts Statement 1 - A change in any property means the system moves to a new state
Final Answer
1. If the value of one property changes value within the system, the state will change. 2. At a given state, all the properties of a system have fixed values. 4. In an equilibrium state, there are no unbalanced potentials.
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