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by Cerjay_Lugtu_3B
Thu Mar 16, 2017 5:07 pm
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 27071

Re: Final Exam Details and Review Sessions Winter 2017

Tara_White_3L wrote:Will the final be more heavily concentrated on material we learned in the 2nd half of the class? Or will there be a generally equal distribution of questions from the beginning of the quarter through now?

Dr. Lavelle said that the final would be evenly distributed
by Cerjay_Lugtu_3B
Sun Mar 12, 2017 10:01 pm
Forum: *Cycloalkanes
Topic: How much of Common naming do we need to know for Quiz 3?
Replies: 4
Views: 1754

Re: How much of Common naming do we need to know for Quiz 3?

nikita bhat 2D wrote:In addition to knowing those rules, you should be able to use iso and neo when naming.

Neo is used for pent and up only right?
by Cerjay_Lugtu_3B
Sat Mar 11, 2017 8:07 pm
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 27071

Re: Final Exam Details and Review Sessions Winter 2017

Will alkenes and alkynes be considered as function groups for the final? Or is everything fair game where we have something like an alkyne with an alcohol functional group?
by Cerjay_Lugtu_3B
Sun Mar 05, 2017 7:29 pm
Forum: *Nucleophiles
Topic: Identifying ambient nucleophiles
Replies: 2
Views: 751

Re: Identifying ambient nucleophiles

An ambident nucleophile is a molecule that has more than one nucleophilic site and has a negative charge delocalized by resonance, so in order to identify the ambident structure you would need to know which molecules have resonance structures. If you are not able to identify from the chemical equat...
by Cerjay_Lugtu_3B
Mon Feb 27, 2017 8:56 pm
Forum: *Nucleophiles
Topic: Identifying ambient nucleophiles
Replies: 2
Views: 751

Identifying ambient nucleophiles

4.5 asks to identify the ambident nucleophile: (a)NH2CH3; (b)CH3O-; (c)SCN-; (d)-CH3. How do we identify the ambident structure? Do we have to draw Lewis diagrams?
by Cerjay_Lugtu_3B
Sat Feb 25, 2017 9:35 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 9651
Views: 3589667

Re: Post All Chemistry Jokes Here

I saw someone run away with my gold....

So i shouted, "Hey! AU!"
by Cerjay_Lugtu_3B
Mon Feb 20, 2017 9:05 pm
Forum: *Enzyme Kinetics
Topic: Quiz 2 Prep #9
Replies: 3
Views: 1108

Re: Quiz 2 Prep #9

I'm assuming that this isn't going to be on the quiz, but I'd still like to understand #9 on the quiz 2 prep if anybody could explain it: Which if the following statements about enzymes is incorrect? A When the concentration of substrate is low, the rate of an enzyme-catalyzed reaction increases wi...
by Cerjay_Lugtu_3B
Sun Feb 19, 2017 11:15 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 9651
Views: 3589667

Re: Post All Chemistry Jokes Here

"Want to hear a joke about potassium?"

"K."
by Cerjay_Lugtu_3B
Sun Feb 19, 2017 6:28 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 9651
Views: 3589667

Re: Post All Chemistry Jokes Here

"What do you do to a dead scientist?"

'You Barium."
by Cerjay_Lugtu_3B
Sat Feb 11, 2017 11:20 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 9651
Views: 3589667

Re: Post All Chemistry Jokes Here

"Do you want any Sodium, Bromine, or Oxygen?"

"NaBrO"
by Cerjay_Lugtu_3B
Sun Feb 05, 2017 12:56 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 9651
Views: 3589667

Re: Post All Chemistry Jokes Here

How did oxygen's second date with potassium go?
It went OK2
by Cerjay_Lugtu_3B
Mon Jan 23, 2017 9:56 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: 8.99 HW problem
Replies: 3
Views: 725

Re: 8.99 HW problem

Hello, In this case, you will have to look up the enthalpies of formation for each component of the reaction and add them up to find the enthalpy of reaction. If you look at Appendix 2A (page A10), the enthalpies of formation are listed there. Since H2(g) is the most stable form of hydrogen and Zn(...
by Cerjay_Lugtu_3B
Mon Jan 23, 2017 9:22 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: 8.99 HW problem
Replies: 3
Views: 725

8.99 HW problem

After finding the limiting reactant I got confused on how the solution manual got delta H. Can someone please explain to me how the they got the heat of the reaction.
by Cerjay_Lugtu_3B
Sat Jan 21, 2017 11:16 pm
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Examples of Isolated systems [ENDORSED]
Replies: 3
Views: 3518

Examples of Isolated systems [ENDORSED]

In class and discussion we've talked a lot about examples of open and closed systems. I'm having some trouble finding isolated system examples. What are some more examples besides the ones we talked about in class?

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