Register

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

Which change is exothermic? (1) freezing of water(2) melting of iron(3) vaporization of ethanol(4) sublimation of iodine
72.3k views
3 votes
Which change is exothermic?

(1) freezing of water(2) melting of iron(3) vaporization of ethanol(4) sublimation of iodine

User Fredrik L
by
7.4k points

1 Answer

6 votes
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.
User Rudik
by
8.2k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
Link Copied!