Cramster.com - Homework Solutions, Lecture Notes, Exams, and Free Online Homework Help
Sign Up Now! Login Customer Support
McAfee Secure sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
Problem Solved.
    Home    
    Homework Help    
   Answer Board   
    Resources (Beta)    
   
You Are Here: Home > Answer Board > Chemistry > Topic: Increase in entropy
Member's Topic Headline:

Increase in entropy

Know the answer? Have a better solution? Share it.
Get Help Now.
View homework problems
explained for free!
Member Testimonials

Question:

Advertisement:
Answer | Ask New Question | Customize Profile | Leaderboards | 
FAQ

Member's Avatar
Scholar
Karma Points: 200
Respect (80%):
Date Posted: 5/26/2008 3:11:09 PM  Status: Live
Increase in entropy
Course Textbook Chapter Problem
General Chemistry Chemistry (9th) by Chang N/A N/A
Question Details:
Which response includes all the following processes that are accompanied by an increase in entropy?
  1. 2SO2(g) + O2(g) SO3(g)
  2. H2O(l) H2O(s)
  3. Br2(l) Br2(g)
  4. H2O2(l) H2O(l) + ½O2(g)
  1. 1, 2, 3, 4
  2. 1, 2
  3. 2, 3, 4
  4. 3, 4
  5. 1, 4
Bonus Point Alert! Earn +4 additional karma points for helping this annual member.

Answers:

Member's Avatar
Guru
Karma Points: 2,129
Date Posted: 5/26/2008 3:20:19 PM  Status: Live
Asker's Rating: Lifesaver   
Response:

It is d, 3 and 4.
  • Br2(l) Br2(g)
  • H2O2(l) H2O(l) + ½O2(g)

    • 100% sure
    Please rate
    Bertalsteinein's Comment:
    Excellent answers every time. Thank you
    Hello - Please Rate if I did your problem
    I am only 16 so bare with me if I messed something up!!!

     

    Member's Avatar
    Guru
    Karma Points: 2,830
    (UCLA)
    Date Posted: 5/26/2008 3:26:23 PM  Status: Live
    Asker's Rating: Helpful   
    Response:
    ^^ once again the above is correct

    the change of state or increase in molecules increase entropy

    the change in state to a higher energy that is
    Inevitable

    Member's Avatar
    Guru
    Karma Points: 2,890
    Date Posted: 5/26/2008 5:30:32 PM  Status: Live
    Asker's Rating: Helpful   
    Response:
    the answer is D



    please rate me
    thanks, ed:)
    please don't forget to rate me!!! thanks, ed  

    Member's Avatar
    Mentor
    Karma Points: 529
    (University of Toronto)
    Date Posted: 5/26/2008 5:53:59 PM  Status: Live
    Asker's Rating: Helpful   
    Response:
    the answer is d
    first b/c
    3. goes from liquid to gaseous state which is more disordered
    second 4. you are increasing the number of moles of substance as well as changing some of the liquid to gaseous state
    PLEASE RATE MY ANSWERS!

    Member's Avatar
    Mentor
    Karma Points: 563
    Date Posted: 5/26/2008 10:51:40 PM  Status: Live
    Asker's Rating: Helpful   
    Response:
    d

    Member's Avatar
    Guru
    Karma Points: 2,126
    (Paideia (Atlanta, GA))
    Date Posted: 5/27/2008 1:11:28 PM  Status: Live
    Asker's Rating: Helpful   
    Response:
    D
    Rate or not rate!!! What goes around comes around!!!



    By reading or posting messages on these forums, you are agreeing to the Answer Board's Terms of Service and Conduct (TSC).


    About Cramster | Terms of Use | Privacy Policy | Contact Us | Press Room | Site Map | Support | Anti-Cheating Policy

    Cramster.com is not affiliated with any publisher. Book covers, title and author names appear for reference only.
    Copyright © 2008 Cramster, Inc.