Homework Help


*This section will allow only site approved tutors to post answers.
Please do not post any inappropriate material here . HTML will
not work with the exception of those who are approved as tutors.
   
    AnswerPool.com  Hop To Forum Categories  Homework Help  Hop To Forums  Chemistry    Question
Go
Post
Find
Notify
Tools
Reply
  
  Login/Join 
Sudha Madhuri
Posted
Why do zinc oxide on heating changes its color only? Why isn't there any chemical change occuring?
 
Posts: 5 | Location: hyderabad | Registered: 10-22-07Reply With QuoteEdit or Delete MessageReport This Post
Peteeo
Diamond Enthusiast

Picture of Peteeo
Posted Hide Post
This question sounded familiar. A quick search on this website listed these answers.
Originally posted by Georgia85 "..Zinc Oxide is thermochromic.." It changes colors upon heating due to shifts in it's crystal structure. You are correct there is no reaction changing ZnO to something else but it it changing shape enough to visibly effect it's properties.

You can read the whole link chain with some other hyperlinks if you search 'Zinc Oxide' within Answerpool.
 
Posts: 225 | Location: Vadnais Heights MN. | Registered: 06-15-02Reply With QuoteEdit or Delete MessageReport This Post
 Previous Topic | Next Topic powered by eve community  
 

    AnswerPool.com  Hop To Forum Categories  Homework Help  Hop To Forums  Chemistry    Question

© 2002-2008 AnswerPool.com

If you wish to be a tutor, please send your full name, screenname, full address, daytime phone number and a description of your experiences or qualifications that you feel would be useful in your performance as a tutor, to KingKrimson@AnswerPool.com. The information will not be distributed for any marketing or advertising reasons, and will be kept for release only to the proper law enforcement agencies, in the event that such action is required. Thank you.