If Two Solutions Are Mixed Together in a Container and the Container

question 129

Multiple Choice

If two solutions are mixed together in a container and the container "feels hot", then

• A) the reaction is endothermic.
• B) the reaction is exothermic.
• C) the energy of the universe is increased.
• D) the energy of both the system and the surroundings is decreased.
• E) the energy of the system is increased.

Identify the solubility characteristics of various molecular species in water.

Recognize and name key phospholipids, such as cephalins and lecithins.

Understand the process of modifying lipid structures, such as converting phosphatidic acid to lecithin.

Explain how soaps and detergents function and differentiate between them.