Search found 10 matches
- Sun Mar 19, 2017 12:14 am
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Winter 2015 Final Exam 1D
- Replies: 1
- Views: 483
Winter 2015 Final Exam 1D
How do you know when to use q=mCdeltaT vs q=CdeltaT?
- Wed Mar 08, 2017 4:40 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz 3 Winter 2017
- Replies: 183
- Views: 30028
Re: Quiz 3 Winter 2017
For number 5, how do we know the first step is the slow one? Also, could someone explain when and how to use iso- in naming? Or just how to do #1? I was also wondering the same thing. How do we know that the first step is the rate limiting step? Does it have to do with the intermediates in step 1? ...
- Sun Mar 05, 2017 10:02 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3889796
Re: Post All Chemistry Jokes Here
Did you hear about the man who got cooled to absolute zero?
He's 0K now.
He's 0K now.
- Sun Feb 26, 2017 4:08 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3889796
- Mon Feb 20, 2017 7:42 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3889796
Re: Post All Chemistry Jokes Here
Want to hear a joke about sodium hypobromite?
NaBrO.
NaBrO.
- Sat Feb 11, 2017 10:06 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3889796
Re: Post All Chemistry Jokes Here
I have many chemistry jokes.
I'm just afraid they won't get a good reaction.
I'm just afraid they won't get a good reaction.
- Mon Jan 30, 2017 11:10 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz 1 Preparation Answers
- Replies: 130
- Views: 25810
Re: Quiz 1 Preparation Answers
You would use ΔG^o=ΔH^o−TΔS^o after you find ΔH^o (rxn) and ΔS^o (rxn) values from the tables provided. Make sure your units match. You will need to convert ΔS^o to KJ for the final answer. That is the equation I am using. And I remembered to convert J to kJ. Still got the wrong answer. I also do n...
- Mon Jan 30, 2017 9:10 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz 1 Preparation Answers
- Replies: 130
- Views: 25810
Re: Quiz 1 Preparation Answers
104450116 wrote:For number 3, what equation do we use since there seems to be a change in pressure? I can't seem to get the answer posted here by any method I've tried.
Thanks.
Use w=-nRT ln V2/V1
So then you'd get -(2.00 mol)(8.314 J/K mol)(300 K)(ln 18.00/6.00) to get -5480 J or -5.48 kJ.
- Thu Jan 26, 2017 4:18 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3889796
Re: Post All Chemistry Jokes Here
How often do you like jokes about elements?
Periodically.
Periodically.
- Fri Jan 13, 2017 11:39 pm
- Forum: Student Social/Study Group
- Topic: Chemistry Joke
- Replies: 28
- Views: 6556
Re: Chemistry Joke
If H2O is the formula for water, what is the formula for ice?
H2O cubed!
H2O cubed!