The following phase changes are either exothermic or endothermic. Which choice represents the correct combination?

a. ice to liquid - exothermic c. gas to liquid - exothermic
b. liquid to gas - exothermic d. solid to liquid - exothermic


C

Trades & Technology

You might also like to view...

What are the main components of the AC generator?

What will be an ideal response?

Trades & Technology

The dead center is correctly adjusted by turning the tailstock handwheel until a resistance is felt and then:

A) Backing off so there is some end play B) Turning in one-fourth turn C) Stopping D) Backing off until the dog bent tail clicks freely in the slot

Trades & Technology

Why are parallel circuits used as to supply power for loads in HVACR equipment?

What will be an ideal response?

Trades & Technology

Using steel piping in a refrigeration system that uses ammonia will prevent _____

a. fire b. explosion c. corrosion d. contamination

Trades & Technology