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

Brian budgeted $1,000.00 for a new computer. He is shopping at an electronics store that is advertising a sale on all laptop and desktop computers. The store is

II. Write 5 reasons why you think bullying is wrong. pls help as fast as u could

help me!!!!Determine the value of each car after 5 years.

Do you think someone should have to be 17 or older to download and social media apps, or do you think it should stay the way that it is where 12+ is the limit?

What does the light independent reaction make? (Multiple Choice) Water Carbon dioxide Sugar Light energy

You wake up at the apartments, walk out of the apartments and are held up at gunpoint by someone you don't know, what do you do?

hello, me again polease help me with this, and show work

Find the mean median and range of the data 0,1,1,2,2,3,3,3,4,4,4,4,5,5,5,5,6,6,7,7,7,8,8,9,9,17

hey, i'm kinda confused on how you do this again factories 3n+12

What kinds of reasons should you include in your report? reasons that experts give in their articles or interviews all of these facts that support your main ide