CarmelBeard CarmelBeard

04-06-2015
Chemistry

contestada

Which change is exothermic?
(1) freezing of water(2) melting of iron(3) vaporization of ethanol(4) sublimation of iodine

Respuesta :

lulu1991 lulu1991

25-06-2015

The answer is (1) freezing of water. The energy of different status is increase from solid to liquid to gas. So the change of liquid to solid is exothermic. The other three are endothermic.

Answer Link

Otras preguntas

One end of an elastic cord is fastened to a steel beam. A metal weight with a mass of 68 kg is attached to the other end of the cord and dropped from the level

giving brainly if correct

Can I get some help? I'll give lots of points

Which of the following archaeological methods are essentially just small pits or "units"?

how many attemps you get everyday . what is the limit. its telling me you are out of answer for now

Help me pleaseeeeeeeeeeee

The release of water vapor from sweat glands when we are not sweating is a process called:.

Pleaseee helP Find the indicated conditional probability using the following two-way table: Grade Drive to school Take the bus Walk Sophomore 2 25 3 Junior 13

does heat radiate from the ground into the lower atmosphere

Why is ATP so useful for cellular energy