Step 1: Understanding the Concept:
Extensive properties depend on mass/size. Intensive properties are independent of size.
Step 3: Detailed Explanation:
Extensive: Enthalpy, Mass, Volume (scale with size).
Intensive: Density, Temperature, Pressure (remain constant upon division).
Count: 3 extensive, 3 intensive.
Step 4: Final Answer:
The count is 3, 3.