Search found 11 matches

by Winnie Liu 1M
Sun Mar 19, 2017 1:18 am
Forum: *Cyclohexanes (Chair, Boat, Geometric Isomers)
Topic: Chair conformation
Replies: 3
Views: 694

Re: Chair conformation

Does it also not matter where we start counting the carbons? My answers are almost always slightly different than the book.
by Winnie Liu 1M
Sat Mar 11, 2017 11:46 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7582
Views: 1014885

Re: Post All Chemistry Jokes Here

I told a bad joke about Helium one day, but nobody was reactive.
by Winnie Liu 1M
Wed Mar 01, 2017 11:31 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7582
Views: 1014885

Re: Post All Chemistry Jokes Here

I'm trying to make more puns...
But the good ones argon
by Winnie Liu 1M
Tue Feb 21, 2017 9:12 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Slow step vs. Fast step
Replies: 3
Views: 2147

Re: Slow step vs. Fast step

It depends on the mechanism given. The slow step is always the rate determining step. Therefore, all steps after that we can ignore. Since the slow step is an elementary reaction, you can determine the rate law from the stoichiometric chemical equation. If the mechanism is given as a slow then fast ...
by Winnie Liu 1M
Fri Feb 17, 2017 7:31 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 2 Winter 2017
Replies: 160
Views: 15310

Re: Quiz 2 Winter 2017

Yup! That's what is outlined in the coursereader :D
by Winnie Liu 1M
Fri Feb 10, 2017 10:17 pm
Forum: Administrative Questions and Class Announcements
Topic: Derivations
Replies: 3
Views: 405

Re: Derivations

Anything covered in lecture is all fair game. I'd focus more on Ch 8/9 equations though.
by Winnie Liu 1M
Thu Feb 09, 2017 5:56 pm
Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
Topic: PRACTICE QUIZ 1 (#9)
Replies: 2
Views: 323

Re: PRACTICE QUIZ 1 (#9)

Adding on, The Second Law of Thermodynamics states that the state of entropy of the entire universe as an isolated system will always increase over time! While we can know that delta G is 0 because it's a state function and we have identical initial/final states inside our system, the delta S of the...
by Winnie Liu 1M
Fri Feb 03, 2017 2:46 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Quiz 1 Preparation: Question 6
Replies: 4
Views: 478

Re: Quiz 1 Preparation: Question 6

Yes, since it releases heat it must be exothermic so the sign is negative.
by Winnie Liu 1M
Thu Jan 26, 2017 5:06 pm
Forum: Student Social/Study Group
Topic: Quiz 1 Prep
Replies: 8
Views: 763

Re: Quiz 1 Prep

I'm interested :D
by Winnie Liu 1M
Fri Jan 20, 2017 2:34 pm
Forum: Phase Changes & Related Calculations
Topic: Course Reader clarification [ENDORSED]
Replies: 2
Views: 279

Re: Course Reader clarification [ENDORSED]

I agree, it would probably be fairly simple. For work, I think it would be similar to the basic integrals we did in LS30A during the beginning of Riemann Sum lectures. (In another thread Dr. Lavelle replied that all derivations in lecture are technically "fair game" but derivations aren't ...
by Winnie Liu 1M
Sun Jan 15, 2017 8:02 pm
Forum: Phase Changes & Related Calculations
Topic: Bond Enthalpies
Replies: 1
Views: 192

Re: Bond Enthalpies

Both ways can work, though breaking and forming every single bond would be a bit time consuming (I think Dr. Lavelle said this in Weds lecture during an example). To figure out which ones are broken and which ones form though, he drew the structures of the molecules (both reactants and products) and...

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