Temperature and work are

Options

A. Extensive properties
B. Intensive properties
C. intensive and extensive properties
D. extensive and intensive properties

Answer

To determine the nature of temperature and work in terms of thermodynamic properties, we need to classify them as either intensive or extensive properties.

### Step-by-Step Solution:

1. **Define Intensive and Extensive Properties:**
- Intensive properties are those that do not depend on the amount of substance present. Examples include temperature, pressure, and density.
- Extensive properties are those that do depend on the amount of substance present. Examples include mass, volume, and energy.

2. **Analyze Temperature:**
- Temperature is a measure of the average kinetic energy of the particles in a substance. It remains constant regardless of the amount of substance. For instance, whether you have 1 liter or 10 liters of water, the boiling point remains at 100 degrees Celsius at standard atmospheric pressure.
- Therefore, temperature is classified as an **intensive property**.

3. **Analyze Work:**
- Work is defined in thermodynamics as the energy transferred when a force is applied over a distance. The amount of work done is directly related to the quantity of substance or the system's size. For example, if you have more gas in a piston, more work is required to compress it than if you have less gas.
- Hence, work is classified as an **extensive property**.

4. **Conclusion:**
- Based on the definitions and analyses above, we conclude that temperature is an intensive property, while work is an extensive property. Therefore, the correct answer to the question is that temperature is intensive and work is extensive.

### Final Answer:
Temperature is an intensive property, and work is an extensive property.