Search found 23 matches

by K Phelan 3D
Thu Mar 16, 2017 12:12 pm
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 13678

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?


There are no derivations on the final
by K Phelan 3D
Thu Mar 16, 2017 12:11 pm
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Details and Review Sessions Winter 2017
Replies: 114
Views: 13678

Re: Final Exam Details and Review Sessions Winter 2017

904621096 wrote:how do you find n in the Nernst equation?


n is the number of electrons transferred in a balanced redox reaction
by K Phelan 3D
Wed Mar 08, 2017 1:34 pm
Forum: Administrative Questions and Class Announcements
Topic: 14 BL Switch
Replies: 1
Views: 317

14 BL Switch

I am currently enrolled in Lecture 1, Lab 1H for BL (Wednesday lecture. Thursday 11-1:50 lab). Is anyone in Lecture 1 or 2 with Lab 1/2A, 1/2B, or 1/2D willing and able to switch? You would be a life saver.
by K Phelan 3D
Wed Mar 08, 2017 3:21 am
Forum: Administrative Questions and Class Announcements
Topic: Quiz 3 Winter 2017
Replies: 183
Views: 15895

Re: Quiz 3 Winter 2017

Julie Barreto 3A wrote:how would you draw out 2-butene or anything with a number in front of it ???


We have not yet learned how to draw alkenes, which 2-butene is as seen by its infix. This won't be needed for quiz three. (The two shows where the double bond is)
by K Phelan 3D
Fri Mar 03, 2017 2:50 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Steady State vs. Pre-Equilibrium Approach
Replies: 2
Views: 583

Re: Steady State vs. Pre-Equilibrium Approach

And just to make sure it's really clear, we don't need to know how to do steady state.
by K Phelan 3D
Fri Feb 24, 2017 3:05 pm
Forum: Administrative Questions and Class Announcements
Topic: 14CL
Replies: 6
Views: 835

Re: 14CL

On the topic of other chem courses, will 14C open more spots? And will waitlisted automatically be in the class like with Lavelle?
by K Phelan 3D
Mon Feb 13, 2017 3:36 pm
Forum: Concepts & Calculations Using Second Law of Thermodynamics
Topic: Reversibility
Replies: 2
Views: 323

Reversibility

How do you determine if a reaction is reversible or not? Does this information have to be given to you?
by K Phelan 3D
Mon Feb 13, 2017 3:32 pm
Forum: General Rate Laws
Topic: Reaction order
Replies: 3
Views: 498

Re: Reaction order

Will someone go over again what it means for a reaction to be zero vs first vs second order? I don't fully understand what order means, I only know how to find it.
by K Phelan 3D
Fri Feb 10, 2017 3:46 pm
Forum: Balancing Redox Reactions
Topic: OH- H+ and H2O in balancing redox reactions
Replies: 5
Views: 1625

Re: OH- H+ and H2O in balancing redox reactions

OH- is used to balance H and O when the reaction is basic. H+ is used to balance H when the reaction is acidic.
by K Phelan 3D
Fri Feb 03, 2017 3:48 pm
Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
Topic: Electrolysis Application
Replies: 2
Views: 442

Electrolysis Application

What is a real life application of electrolysis other than creating Magnesium solid? Or what could you use with this newly formed magnesium solid?
by K Phelan 3D
Mon Jan 23, 2017 3:41 pm
Forum: Entropy Changes Due to Changes in Volume and Temperature
Topic: Quiz 1 Winter 2017
Replies: 1
Views: 293

Quiz 1 Winter 2017

Will there be derivations for the entropy/enthalpy equations on the first quiz?
by K Phelan 3D
Thu Jan 19, 2017 1:52 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019767

Re: Post All Chemistry Jokes Here

You got any sodium hypobromite?
NaBrO
by K Phelan 3D
Thu Jan 12, 2017 4:16 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019767

Re: Post All Chemistry Jokes Here

Anyone know any jokes about sodium?

Na
by K Phelan 3D
Sat Dec 03, 2016 3:56 am
Forum: Polyprotic Acids & Bases
Topic: Indicators
Replies: 3
Views: 857

Re: Indicators

What about indicators should we know for the final exam? What was covered in the review session or what is in the book? Do we only need to know this for 14BL?
by K Phelan 3D
Wed Nov 23, 2016 1:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019767

Re: Post All Chemistry Jokes Here

The antiaircraft guns fired at the bomber pilot as he emptied his load of Hydrochloric Acid over enemy territory. He smiled with satisfaction at the voice over his radio. "Congratulations, you've just neutralized a dangerous base!"
by K Phelan 3D
Wed Nov 16, 2016 12:33 pm
Forum: Lewis Acids & Bases
Topic: Lewis vs. Bronsted acids/bases
Replies: 5
Views: 3214

Re: Lewis vs. Bronsted acids/bases

When identifying acids and bases in this overall Acids and Bases section of the course, do we generally use the Bronsted definition or the Lewis definition to identify acids/bases?
by K Phelan 3D
Thu Nov 10, 2016 9:05 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019767

Re: Post All Chemistry Jokes Here

What kind of fish is made of two sodium atoms?
2 Na
by K Phelan 3D
Thu Oct 27, 2016 8:37 pm
Forum: Administrative Questions and Class Announcements
Topic: MidTerm Review [ENDORSED]
Replies: 4
Views: 590

Re: MidTerm Review [ENDORSED]

All material covered in Fundamentals and Chapters 1-4 up to the end of hybridization. Course Reader: All material up to page 105. Past Midterms in Course Reader: Pages 179-217 Questions will come from the Homework, Online Assessments, and Chemistry Community. Professor Lavelle has a full page for th...
by K Phelan 3D
Fri Oct 21, 2016 10:07 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019767

Re: Post All Chemistry Jokes Here

Q: What is the chemical formula for "coffee"?
A: CoFe2
Q: What is the chemical formula for "banana"?
A: BaNa2
by K Phelan 3D
Wed Oct 12, 2016 12:08 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019767

Re: Post All Chemistry Jokes Here

A photon goes to check into its hotel. The bellhop asks, "Do you need help with your luggage?" The photon responds, "No thank you, I'm carrying light."
by K Phelan 3D
Fri Oct 07, 2016 1:25 pm
Forum: Administrative Questions and Class Announcements
Topic: Quizes
Replies: 21
Views: 1376

Re: Quizzes

Professor Lavelle said that the first quiz will only be covering through 10/5 (Wednesday's) lecture. I'm just looking for confirmation that this means the quiz will only include up through orbitals, but not as in depth as we discussed them 10/7 (Friday's) lecture. Correct?
by K Phelan 3D
Thu Sep 29, 2016 1:54 am
Forum: Student Social/Study Group
Topic: Hedrick Summit Study Group Chem 14A
Replies: 29
Views: 2570

Re: Hedrick Summit Study Group Chem 14A

I live in Summit too and was wondering if everyone still wanted to do this now that we have UA times in Hedrick Hall. If so, sign me up to be a part of the group.
by K Phelan 3D
Thu Sep 29, 2016 1:51 am
Forum: Significant Figures
Topic: Sig Figs. Problem
Replies: 4
Views: 692

Re: Sig Figs. Problem

I was always told to not round off any numbers until the very end. This could be especially important considering the small numbers discussed in chemistry. So my suggestion would be, when in doubt, work through the problem without condensing any of the numbers and then apply sig figs to your answer....

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