Search found 18 matches

by Jocelyn_Dao_2N
Sat Mar 18, 2017 5:37 pm
Forum: *Cyclohexanes (Chair, Boat, Geometric Isomers)
Topic: Chair Flipping
Replies: 2
Views: 579

Chair Flipping

Hi! Can anyone explain how to carry out chair flipping? Like how do you re-number it and know where to put the functional groups on the newly flipped structure?
by Jocelyn_Dao_2N
Sat Mar 18, 2017 12:26 am
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 13640

Re: Final Exam Details and Review Sessions Winter 2017

ben maryamian wrote:What type of conformations do we need to know how to draw for the final?


I think we are expected to know all four: anti, gauche, slightly eclipsed, and fully eclipsed.
by Jocelyn_Dao_2N
Sat Mar 18, 2017 12:24 am
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 13640

Re: Final Exam Details and Review Sessions Winter 2017

Will we be tested on chair/cyclohexane flips?
by Jocelyn_Dao_2N
Fri Mar 17, 2017 12:25 pm
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 13640

Re: Final Exam Details and Review Sessions Winter 2017

saminah_adam wrote:Seeing as how many of us were surprised by the midterm question asking us to derive the nernst equation, which equations should we know how to derive for the final?


Professor Lavelle has announced that there will be no derivations on the final.
by Jocelyn_Dao_2N
Mon Mar 13, 2017 1:22 am
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 13640

Re: Final Exam Details and Review Sessions Winter 2017

Will the final emphasize more on current topics? Or will the questions be evenly distributed across all topics?
by Jocelyn_Dao_2N
Sun Mar 05, 2017 5:11 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 3 Winter 2017
Replies: 183
Views: 15891

Re: Quiz 3 Winter 2017

For the quiz, are we expected to express the compounds through the skeletal/line-angle formula or through lewis dot structure?
by Jocelyn_Dao_2N
Sun Mar 05, 2017 4:55 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 3 Winter 2017
Replies: 183
Views: 15891

Re: Quiz 3 Winter 2017

Why is the answer for number 4, 4-butyl-1,2-dimethylcyclohexane and not 1,butyl-3,4-butylcyclohexane?
by Jocelyn_Dao_2N
Sun Mar 05, 2017 4:09 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 3 Winter 2017
Replies: 183
Views: 15891

Re: Quiz 3 Winter 2017

Hi! Why is the answer for number 4, 4-butyl-1,2-dimethylcyclohexane and not 1,2-dimethyl,4-butylcyclohexane?

When naming a compound, do the lower numbers do first?
by Jocelyn_Dao_2N
Sun Feb 26, 2017 3:33 pm
Forum: Administrative Questions and Class Announcements
Topic: 2/24/17 Bruincast
Replies: 19
Views: 2136

Re: 2/24/17 Bruincast

I just checked the Bruincast and there hasn't been a correction made with the video uploaded :(
by Jocelyn_Dao_2N
Sun Feb 19, 2017 10:53 pm
Forum: Zero Order Reactions
Topic: Homework Help 15.13
Replies: 2
Views: 446

Homework Help 15.13

15.13 When 0.52 g of H2 and 0.19 g of I2 are confined to a 750.-mL reaction vessel and heated to 700. K, they react by a second-order process (first order in each reactant), with k = 0.063 L/mol*s in the rate law (for the rate of formation of HI). (a) What is the initial reaction rate? (b) By what f...
by Jocelyn_Dao_2N
Sun Feb 12, 2017 10:06 pm
Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
Topic: Reversible vs. Irreversible [ENDORSED]
Replies: 4
Views: 587

Re: Reversible vs. Irreversible [ENDORSED]

Okay thanks! That helps clarify things, but I was also wondering how each condition affects one's calculations for a certain reaction? And how it affects the temperature, pressure, etc
by Jocelyn_Dao_2N
Sat Feb 11, 2017 6:34 pm
Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
Topic: Reversible vs. Irreversible [ENDORSED]
Replies: 4
Views: 587

Reversible vs. Irreversible [ENDORSED]

What do the terms "reversible" and "irreversible" indicate about a reaction? And how do each affect calculations?
by Jocelyn_Dao_2N
Sun Feb 05, 2017 4:55 pm
Forum: Balancing Redox Reactions
Topic: Homework Problem 14.17
Replies: 2
Views: 390

Homework Problem 14.17

Hey! I was wondering if anyone could help me with this problem? 14.17 (a) Write balanced half-reactions for the redox reaction of an acidified solution of potassium permanganate and iron(II) chloride. (b) Write the balanced equation for the cell reaction and devise a galvanic cell to study the react...
by Jocelyn_Dao_2N
Tue Jan 31, 2017 3:17 pm
Forum: Concepts & Calculations Using Second Law of Thermodynamics
Topic: Homework Problem 9.21
Replies: 1
Views: 314

Homework Problem 9.21

Hi! I was wondering if anyone knew how to do this problem? Nanotechnologists have found ways to create and manipulate structures containing only a few molecules. However, orienting the molecules in specific ways to assemble such structures can be difficult. Calculate the entropy of a solid nanostruc...
by Jocelyn_Dao_2N
Sun Jan 29, 2017 3:47 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 1 Preparation Answers
Replies: 130
Views: 13718

Re: Quiz 1 Preparation Answers

Hi I was also wondering if someone could explain #7 and #9 on quiz one?
by Jocelyn_Dao_2N
Sat Jan 21, 2017 11:40 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Homework Problem 8.77
Replies: 1
Views: 271

Homework Problem 8.77

8.87) How much heat is required to convert a 42.30-g block of
ice at 5.042 C into water vapor at 150.35 C?

I was just wondering how I should start off solving this problem?
by Jocelyn_Dao_2N
Wed Jan 11, 2017 8:07 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: Understanding Enthalpy as State Function
Replies: 1
Views: 236

Understanding Enthalpy as State Function

Hi! We went over enthalpy in lecture today and Professor Lavelle drew out a diagram as an example, but I am still confused on why enthalpy is a state function. Any help is appreciated!

Go to advanced search