Search found 10 matches

by Krista Yang 1C
Sat Mar 18, 2017 11:31 pm
Forum: Administrative Questions and Class Announcements
Topic: Saying Thank You to Dr. Lavelle
Replies: 209
Views: 101106

Re: Saying Thank You to Dr. Lavelle

Dear Dr. Lavelle, I really appreciate all you have done for us this quarter, providing so many office hours and organizing all the review sessions. Your commitment to our learning and your love of chemistry is evident in every class. Thank you! (Also, a huge thanks to all the UAs and TAs for their i...
by Krista Yang 1C
Sun Mar 12, 2017 2:57 pm
Forum: *Constitutional and Geometric Isomers (cis, Z and trans, E)
Topic: Prefix naming
Replies: 3
Views: 438

Re: Prefix naming

I believe that iso & neo are included in alphabetizing, but other numerical prefixes (like di-, tri-, and sec/tert) are not. Hope this helps!
by Krista Yang 1C
Sun Mar 05, 2017 11:47 am
Forum: *Alkanes
Topic: Substituent [ENDORSED]
Replies: 1
Views: 263

Re: Substituent [ENDORSED]

Substituents are the carbon chains/groups and halogens that are attached to the parent chain.
by Krista Yang 1C
Sun Feb 26, 2017 7:02 pm
Forum: General Science Questions
Topic: Chem 14C
Replies: 2
Views: 396

Re: Chem 14C

People may drop the class between now and week 2 of spring quarter (the deadline to drop is the end of week 2), so if you follow the enrollment MyUCLA, you may be able to get in the class or at least onto the waitlist. You could also try getting a PTE, though not all professors do that. Best of luck!
by Krista Yang 1C
Sun Feb 19, 2017 10:51 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7582
Views: 1015164

Re: Post All Chemistry Jokes Here

Q: Why does a hamburger have lower energy than a steak?
A: It's in the ground state.
by Krista Yang 1C
Sun Feb 12, 2017 9:32 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7582
Views: 1015164

Re: Post All Chemistry Jokes Here

H2O is water and H2O2 is hydrogen peroxide. What is H2O4? Drinking.
by Krista Yang 1C
Sun Feb 05, 2017 7:04 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7582
Views: 1015164

Re: Post All Chemistry Jokes Here

Q: What do you call a tooth in a glass of water?

A: A one molar solution.
by Krista Yang 1C
Sun Jan 29, 2017 9:34 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7582
Views: 1015164

Re: Post All Chemistry Jokes Here

Why do chemists like nitrates so much?
They're cheaper than day rates.
by Krista Yang 1C
Sun Jan 22, 2017 10:42 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7582
Views: 1015164

Re: Post All Chemistry Jokes Here

Did you know that you can cool yourself to -273.15˚C and still be 0K?
by Krista Yang 1C
Sat Jan 14, 2017 10:37 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: HW Problem 8.73 Bond Enthalpy
Replies: 2
Views: 310

Re: HW Problem 8.73 Bond Enthalpy

In benzene without resonance, there are 3 single bonds and 3 double bonds bonds. With resonance, all 6 bonds between the carbons are like a combination of single and double bonds, which is why there are six resonance bonds between the carbons in benzene. I believe the hydrogen in not included in the...

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