18.4.1.a. Floating Covers (Monomolecular Films)

Try these first

1. 1.

   What is the main purpose of monomolecular films?

   Hint

   Think about the loss of water in reservoirs.

2. 2.

   Name one chemical used in monomolecular films.

   Hint

   These are examples of long-chain alcohols.

3. 3.

   What is the primary advantage of monomolecular films in reservoirs?

   • They are cheap
   • They significantly reduce evaporation
   • They are environmentally friendly

   Hint

   Consider what the films are designed to address.

4. 4.

   True or False: Monomolecular films do not require reapplication once applied.

   • True
   • False

   Hint

   Think about how effective protective layers behave over time.

5. 5.

   How would you assess the cost-effectiveness of implementing monomolecular films in a large reservoir?

   Hint

   Consider both direct and indirect costs associated with water conservation.

6. 6.

   Evaluate the potential impact on aquatic biodiversity when using monomolecular films.

   Hint

   Think about the broader environmental implications of chemical usage.