If the coolant in an air conditioner has a lower temperature than the air in a building, then a. heat will flow from the air into the coolant. b. heat will flow from the coolant into the air. c. heat will not flow from the coolant into the air

If the coolant in an air conditioner has a lower temperature than the air in a building, then the
heat will flow from the coolant into the air
because its basic law of thermodynamics and it states that
 heat will always flow from higher temperature to lower
so correct option is B 
hope it helps

Cause its being chemically applied?

Answer trigonal pyramidal;