14.2.1. Definition of Properties

Try these first

1. 1.

   What is an extensive property? Provide an example.

   Hint

   Think of a property that increases with more mass.

2. 2.

   What is an intensive property? Provide an example.

   Hint

   Consider a property that remains the same, no matter the size.

3. 3.

   Which of the following is an extensive property?

   • Temperature
   • Mass
   • Pressure

   Hint

   Think about which property changes with the amount of material.

4. 4.

   True or False: Intensive properties depend on the mass of a substance.

   • True
   • False

   Hint

   Consider properties that remain unchanged regardless of how much you have.

5. 5.

   If a fluid has a mass of 50 kg and possesses a total energy of 1000 J, what would you expect its energy to be if the mass doubles?

   Hint

   Consider how energy relates to mass.

6. 6.

   How would you explain the importance of intensive properties in situations involving temperature changes in a heat transfer analysis?

   Hint

   Think about how temperature behaves in different volumes.