Search found 37 matches

by Janna Shakiba
Sun Nov 22, 2020 4:09 pm
Forum: Student Social/Study Group
Topic: Step-Up vs. Drop-In Sessions
Replies: 7
Views: 37

Re: Step-Up vs. Drop-In Sessions

It honestly just depends on your learning style. If you hate asking questions and prefer structure, go to the step-up sessions. If you learn better by engaging with someone and like being free to talk about multiple ideas you have on a particular problem, go to the drop-in sessions. Of course, if yo...
by Janna Shakiba
Sun Nov 22, 2020 4:04 pm
Forum: Bond Lengths & Energies
Topic: Bond Length vs Size of Molecule
Replies: 14
Views: 73

Re: Bond Length vs Size of Molecule

A good trick for figuring out which molecule has the higher boiling point is to look for which one has an OH- group (or the most OH- groups).
by Janna Shakiba
Sun Nov 22, 2020 4:02 pm
Forum: Student Social/Study Group
Topic: Study Tips for Final Exam
Replies: 56
Views: 211

Re: Study Tips for Final Exam

Will there be a review session for the final exam? I just feel like we've covered so much material and the fact that the final is cumulative is stressing me out.
by Janna Shakiba
Sun Nov 22, 2020 4:01 pm
Forum: Administrative Questions and Class Announcements
Topic: Problem of viewing the lecture
Replies: 9
Views: 37

Re: Problem of viewing the lecture

Is it possible that it's asking you to access the lecture through a VPN? If so, I can give you the steps on how to fix that.
by Janna Shakiba
Sun Nov 22, 2020 3:59 pm
Forum: Student Social/Study Group
Topic: How to relax after midterms
Replies: 48
Views: 100

Re: How to relax after midterms

Great question! The fact that you are asking this shows you are very smart. De-stressing looks a little different for everyone, but here are some things that work for most people: - Take a long bath while listening to calming music - Read a book just for fun - Write a thank you note to someone who h...
by Janna Shakiba
Sat Nov 14, 2020 4:34 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Midterm #2
Replies: 14
Views: 68

Re: Midterm #2

Should we expect midterm 2's difficulty to be the same as midterm 1 or will it be harder?
by Janna Shakiba
Sat Nov 14, 2020 4:32 pm
Forum: Dipole Moments
Topic: Sapling number 17
Replies: 4
Views: 23

Re: Sapling number 17

If you would like me to show you my work for Sapling hw problem #17, email me!
by Janna Shakiba
Sat Nov 14, 2020 4:30 pm
Forum: Administrative Questions and Class Announcements
Topic: Question for Students about High School Chem
Replies: 25
Views: 102

Re: Question for Students about High School Chem

Hey there! So I took chemistry summer after my freshman year of high school and then took AP chem during sophomore year. In hindsight, this was probably not the smartest decision because I forgot pretty much everything I knew about chem by sophomore year of college. So even though I have a backgroun...
by Janna Shakiba
Sat Nov 14, 2020 4:25 pm
Forum: Lewis Acids & Bases
Topic: Sapling HW #6
Replies: 4
Views: 36

Re: Sapling HW #6

Hi there,

Thank you! I took all this into consideration but I am still having trouble. I'm wondering if there is a glitch in the system because I feel like I've tried every possible combination. Would you mind sending me a picture of your work?
by Janna Shakiba
Sat Nov 14, 2020 3:54 pm
Forum: Lewis Acids & Bases
Topic: Sapling HW #6
Replies: 4
Views: 36

Sapling HW #6

Hi there,

I have been stuck on this seemingly simple problem for a while now and was wondering if I could get some help.

The question is:

Classify each species as a Lewis acid or a Lewis base.

and these are the molecules given:

Cu2+, SO2, S2-, B(OH)3, NH3
by Janna Shakiba
Sun Nov 08, 2020 5:08 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8208
Views: 1433874

Re: Post All Chemistry Jokes Here

Two chemists go to a bar. The bartender asks them for their order. The first chemist says "I'll have H20," and the second chemist says "I'll have H20 too!" The bartender makes them their drinks and the second chemist drops dead. The first chemist accuses the bartender of poisonin...
by Janna Shakiba
Sun Nov 08, 2020 5:03 pm
Forum: Administrative Questions and Class Announcements
Topic: Taking Bio and Chem simultaneously
Replies: 26
Views: 78

Re: Taking Bio and Chem simultaneously

Taking them at the same time is totally doable! I am taking 14A and 7C right now and my schedule feels very balanced. Also, there are so many pre-med requirements, you're going to have to double up at some point!
by Janna Shakiba
Sun Nov 08, 2020 5:01 pm
Forum: Administrative Questions and Class Announcements
Topic: Chemistry Community Grading
Replies: 6
Views: 36

Re: Chemistry Community Grading

Have you checked your chemistry community grade yet on myUCLA? It will be Weeks 1-4, so the max points you can have is 20. If you got a 20, then you're doing everything right!
by Janna Shakiba
Sun Nov 08, 2020 4:59 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm 2 [ENDORSED]
Replies: 11
Views: 115

Re: Midterm 2 [ENDORSED]

Can we expect the difficulty of Midterm 2 to be the same as Midterm 1? Or will it be significantly harder?
by Janna Shakiba
Sun Nov 08, 2020 4:56 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8208
Views: 1433874

Re: Post All Chemistry Jokes Here

Oxygen and Magnesium went on a date...OMg!
by Janna Shakiba
Sun Nov 01, 2020 6:37 pm
Forum: Administrative Questions and Class Announcements
Topic: Fall 2020 Midterm 1 Instructions
Replies: 20
Views: 1025

Re: Fall 2020 Midterm 1 Instructions

My TA said we can expect to get our scores by the end of Week 5.

They can't start grading until everyone has finished taking the exam. The last exam was the makeup exam on Friday at 3pm.

Hope this helps!
by Janna Shakiba
Sun Nov 01, 2020 6:35 pm
Forum: DeBroglie Equation
Topic: Sapling HW question 15
Replies: 3
Views: 25

Re: Sapling HW question 15

I am not sure if I'm using the right value for m.

Is it 9.11x10^-31?
by Janna Shakiba
Sun Nov 01, 2020 6:33 pm
Forum: DeBroglie Equation
Topic: Sapling HW #17
Replies: 6
Views: 35

Re: Sapling HW #17

Hey guys, thank you for these tips but I am still really stuck on this question. I did:

(6.26x10^-34) / (6.31 x 10^23) (442.4) to find the wavelength. My units gave me my answer in m like the question asks for, but I still keep getting it wrong. I'm not sure what else to do...
by Janna Shakiba
Sun Nov 01, 2020 5:50 pm
Forum: DeBroglie Equation
Topic: Sapling HW #17
Replies: 6
Views: 35

Sapling HW #17

The average speed of a diatomic fluorine molecule at 25 ∘C
is 442.4 m⋅s−1
. What is the average wavelength of a fluorine molecule at this temperature? Assume that the molecule acts as a single particle.
by Janna Shakiba
Sun Nov 01, 2020 5:33 pm
Forum: DeBroglie Equation
Topic: Sapling HW question 15
Replies: 3
Views: 25

Sapling HW question 15

You use an electron microscope in which the matter wave associated with the electron beam has a wavelength of 0.0457
nm. What is the kinetic energy of an electron in the beam, expressed in electron volts?
by Janna Shakiba
Sun Oct 25, 2020 11:24 pm
Forum: Properties of Light
Topic: Midterm
Replies: 42
Views: 368

Re: Midterm

Does anyone know how many questions will be on the midterm? I'm a bit concerned with the short 50 minute time limit... In an earlier post, someone said it will be about 10 questions. I was concerned about the time limit too, but if you have been able to do the post-assessments in under 50 minutes t...
by Janna Shakiba
Sun Oct 25, 2020 11:19 pm
Forum: Properties of Light
Topic: Midterm
Replies: 42
Views: 368

Re: Midterm

Tobie Jessup Section 3D wrote:Do you guys know if the midterm is all multiple choice?


Yes, it is all multiple choice.
by Janna Shakiba
Sun Oct 25, 2020 11:19 pm
Forum: Properties of Light
Topic: Midterm
Replies: 42
Views: 368

Re: Midterm

Does anyone know if we can use our ipads to do our work on the midterm? I know this is probably a long shot with how far they've gone to prevent cheating but my TA didn't seem to think it was totally out of the question. Has anyone else's TAs said anything about this? If you are using your iPad to ...
by Janna Shakiba
Sun Oct 25, 2020 11:12 pm
Forum: Administrative Questions and Class Announcements
Topic: Way to search posts for similarity?
Replies: 9
Views: 64

Way to search posts for similarity?

Is there a way to search up if someone has posted something similar to (or exactly the same) as my question? For instance, could I look up "Sapling HW Week 3" somewhere to see what people have already posted about that? I just don't want to keep making new posts for all my questions if som...
by Janna Shakiba
Fri Oct 23, 2020 1:44 pm
Forum: Administrative Questions and Class Announcements
Topic: Way to view the replies to my posts?
Replies: 2
Views: 19

Re: Way to view the replies to my posts?

Wow, I'm dumb. All I had to do was click "Quick Links" and there it was: "Your posts"

However, if I post in a forum with a huge amount of replies, it's still a little annoying to have to scroll down to find mine. Is there a way to do this other than command f?
by Janna Shakiba
Fri Oct 23, 2020 1:34 pm
Forum: Administrative Questions and Class Announcements
Topic: Way to view the replies to my posts?
Replies: 2
Views: 19

Way to view the replies to my posts?

I am wondering if there is a way to see which of my posts have gotten replies, because I have to keep going back and searching for the post to figure out if someone has responded yet.
by Janna Shakiba
Sun Oct 18, 2020 8:37 pm
Forum: Administrative Questions and Class Announcements
Topic: Discussion Mandatory?
Replies: 4
Views: 23

Discussion Mandatory?

Are discussion sections every week mandatory? Or are they only mandatory when there's an exam?

Follow up question:
Will we take the midterms and final during discussion section?
by Janna Shakiba
Sun Oct 18, 2020 8:36 pm
Forum: Administrative Questions and Class Announcements
Topic: HW Weeks 3-4
Replies: 2
Views: 24

HW Weeks 3-4

So we don't have any HW to turn in for weeks 2 through 4 other than our 5 chemistry community posts every week, correct? Since all the Sapling HW isn't due until Sunday night week 4?
by Janna Shakiba
Sun Oct 18, 2020 8:24 pm
Forum: Administrative Questions and Class Announcements
Topic: Accessing the E-textbook [ENDORSED]
Replies: 58
Views: 6345

Re: Accessing the E-textbook [ENDORSED]

The e-textbook is the link that Dr. Lavelle sent in one of his earlier emails. If you click on that and follow the instructions you will automatically get the e-textbook.
by Janna Shakiba
Sun Oct 18, 2020 8:24 pm
Forum: Administrative Questions and Class Announcements
Topic: Accessing the E-textbook [ENDORSED]
Replies: 58
Views: 6345

Re: Accessing the E-textbook [ENDORSED]

The e-textbook is the link that Dr. Lavelle sent in one of his earlier emails. If you click on that and follow the instructions you will automatically get the e-textbook.
by Janna Shakiba
Sun Oct 18, 2020 8:18 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student - Part II [ENDORSED]
Replies: 188
Views: 14327

Re: Advice from a Medical Student - Part II [ENDORSED]

Hi Ashley- one question: I am on track to graduate from UCLA with a bachelor's in Neuroscience in 3 years (as in 3 years at UCLA total) and I'm wondering if med schools will look down on this. I came into college with a lot of credits because I did a few college classes in high school and I feel tha...
by Janna Shakiba
Sun Oct 18, 2020 8:12 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student - Part II [ENDORSED]
Replies: 188
Views: 14327

Re: Advice from a Medical Student - Part II [ENDORSED]

Thank you, Ashley. I feel like my perspective towards 14A has changed after reading your post. I was terrified of this class because I struggled a lot in high school chemistry. While I'm pretty positive I don't want to study chemistry as a career, I should be more open to the idea of learning it now...
by Janna Shakiba
Sun Oct 11, 2020 12:52 pm
Forum: Administrative Questions and Class Announcements
Topic: Fundamentals HW Problems
Replies: 4
Views: 31

Fundamentals HW Problems

Are these separate from the 10 Sapling HW problems due tonight? If so, where are these problems? My textbook code has come in the mail so I have full access to everything. Thanks!
by Janna Shakiba
Sun Oct 11, 2020 12:49 pm
Forum: Molarity, Solutions, Dilutions
Topic: Stuck on Sapling HW
Replies: 11
Views: 125

Re: Stuck on Sapling HW

Thank you so much everyone!

The problem was actually that I was using the molar mass of Cu(NO3)2 instead of CuNO3 which was why I kept getting the wrong answer. Note to self and everyone else: double check your compound formulas!
by Janna Shakiba
Sat Oct 10, 2020 12:45 pm
Forum: Molarity, Solutions, Dilutions
Topic: Sapling HW question
Replies: 4
Views: 91

Sapling HW question

Consider the nucleophilic addition reaction of 2‑butanone with excess propyl magnesiumbromide, made in situ by reacting 1‑bromopropane with metallic magnesium, to make 3‑methyl‑3‑hexanol. Reaction scheme where 2-butanone (d = 0.81 g/mL), 1-bromopropane (d=1.35 g/mL), and magnesium react to form 3-me...
by Janna Shakiba
Sat Oct 10, 2020 12:41 pm
Forum: Empirical & Molecular Formulas
Topic: Sapling HW Question
Replies: 2
Views: 64

Sapling HW Question

Caproic acid has the odor of goats. (In fact, Capra is the genus of the domestic goat.) The compound contains only C, H, and O and was experimentally found to have a molar mass of 110±10 g/mol . When a 1.000 g sample of caproic acid is burned in excess oxygen, 2.275 g CO2 and 0.929 g H2O are collect...
by Janna Shakiba
Sat Oct 10, 2020 12:36 pm
Forum: Molarity, Solutions, Dilutions
Topic: Stuck on Sapling HW
Replies: 11
Views: 125

Stuck on Sapling HW

If 3.39 g of CuNO3 is dissolved in water to make a 0.580 M solution, what is the volume of the solution in milliliters?

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