Search found 31 matches

by AnayaArnold_3L
Tue Nov 19, 2019 6:16 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Test 2
Replies: 2
Views: 22

Test 2

Do we have to know both the Molecular and Electronic Geometry associated with the A-X-E notation?
by AnayaArnold_3L
Mon Nov 11, 2019 7:39 pm
Forum: Octet Exceptions
Topic: Limit to expanded octet
Replies: 7
Views: 46

Re: Limit to expanded octet

it usually involves the number of valence electrons available in either the d or p block.
by AnayaArnold_3L
Mon Nov 11, 2019 7:37 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Rydberg equation [ENDORSED]
Replies: 70
Views: 967

Re: Rydberg equation [ENDORSED]

As long as you know the equations name and how to use it you should be fine!
by AnayaArnold_3L
Mon Nov 11, 2019 7:36 pm
Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Topic: Test 2
Replies: 6
Views: 49

Re: Test 2

Probably everything starting after Focus 2D on outline 2 up until outline 4
Ben 1B wrote:Does anyone know what material will be covered on test number two?
by AnayaArnold_3L
Mon Nov 11, 2019 7:34 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Wavelength Plausibility
Replies: 29
Views: 544

Re: Wavelength Plausibility

Thanks!!!!
RBergtraun_3A wrote:I had a similar question, this video helped me a lot. Hope it helps you. https://www.khanacademy.org/science/phy ... c-spectrum
by AnayaArnold_3L
Mon Nov 11, 2019 7:33 pm
Forum: Administrative Questions and Class Announcements
Topic: How to find my posts
Replies: 45
Views: 36913

Re: How to find my posts

Thank you so much!

Cindy Adiwidjaja 1E wrote:Whenever you post something, there is a box on the right side of your post that has your information on it. Next to your name, there should be a number. By clicking that number, you can see all your posts, questions and replies, and can easily access all of your old work.
by AnayaArnold_3L
Mon Nov 11, 2019 7:31 pm
Forum: General Rate Laws
Topic: Unique Reaction Rates [ENDORSED]
Replies: 32
Views: 61051

Re: Unique Reaction Rates [ENDORSED]

Thank you
Mitchell Koss 4G wrote:Combustion is also unique in that it will always have some reactants and some products that remain the same. (CO2, H2O)
by AnayaArnold_3L
Sun Nov 03, 2019 10:51 pm
Forum: Electronegativity
Topic: Measuring Electronegativity
Replies: 4
Views: 22

Re: Measuring Electronegativity

It is measurable.
Nikita Patra 3J wrote:Is electronegativity measurable, or is it just seen as relative to other atoms?
by AnayaArnold_3L
Sun Nov 03, 2019 10:49 pm
Forum: Dipole Moments
Topic: Content on the Midterm [ENDORSED]
Replies: 3
Views: 53

Re: Content on the Midterm [ENDORSED]

THANK YOU
KaleenaJezycki_4G wrote:The midterm will cover everything from the first 3 outlines. Review through 2D of the Chemical Bonds chapter, this will include Quantum and so on. Look on his website for the chapter outlines, it will really help understand what content will be covered.
by AnayaArnold_3L
Sun Nov 03, 2019 10:48 pm
Forum: Octet Exceptions
Topic: Radical
Replies: 6
Views: 21

Re: Radical

What are radicals?
by AnayaArnold_3L
Sun Nov 03, 2019 10:46 pm
Forum: Administrative Questions and Class Announcements
Topic: Tutoring? [ENDORSED]
Replies: 61
Views: 53664

Re: Tutoring? [ENDORSED]

PLF's
Samantha Silva 1F wrote:Does anyone know of outside tutoring opportunities like a peer group?
by AnayaArnold_3L
Sun Nov 03, 2019 10:45 pm
Forum: Administrative Questions and Class Announcements
Topic: Week 2 Homework Problems [ENDORSED]
Replies: 67
Views: 1062

Re: Valence Electrons [ENDORSED]

The valence electrons are the number of electrons you have.
aphung1G wrote:How do you determine which are the valence electrons after you write out your electron configuration?
by AnayaArnold_3L
Sun Nov 03, 2019 10:44 pm
Forum: Administrative Questions and Class Announcements
Topic: Week 2 Homework Problems [ENDORSED]
Replies: 67
Views: 1062

Re: Week 2 Homework Problems [ENDORSED]

Yes, they are!
Lauren Sanchez 3D wrote:Just to make sure, the homework problems are now due during our actual discussions right?
by AnayaArnold_3L
Sun Oct 27, 2019 10:08 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Cell Diagram and Ecell [ENDORSED]
Replies: 8
Views: 27301

Re: Cell Diagram and Ecell [ENDORSED]

Thanks for clarifying!!

lukezhang2C wrote:For a Galvanic Cell it should be Anode || Cathode, where there are single lines (|) separating different states of matter, and commas separating different agents with the same state of matter. i.e (aq), (aq), || (aq)| (s)
by AnayaArnold_3L
Sun Oct 27, 2019 10:07 pm
Forum: Administrative Questions and Class Announcements
Topic: Tutoring? [ENDORSED]
Replies: 61
Views: 53664

Re: Tutoring? [ENDORSED]

Hey! PLF's are still available and you don't always have to sin up sometimes you can just show up tot eh PLF!! Does anyone know if Peer Facilitated Learning is still available? I tried signing up through my portal, but it took me to my class planner making it seem like it was a class to put on my sc...
by AnayaArnold_3L
Sun Oct 27, 2019 10:06 pm
Forum: General Rate Laws
Topic: Unique Reaction Rates [ENDORSED]
Replies: 32
Views: 61051

Re: Unique Reaction Rates [ENDORSED]

Thank you for clarifying! I will discuss this in class tomorrow. AVERAGE RATE = (CONC(t2) − CONC(t1))/(t2 −t1) = ∆CONC/∆t INSTANTANEOUS RATE = −(d[R])/dt OR INSTANTANEOUS RATE = (d[P])/dt AVERAGE & INSTANTANEOUS RATES CAN BE DIFFERERENT FOR THE INDIVIDUAL R & P. THINK OF THEM AS THE EXPERIME...
by AnayaArnold_3L
Sun Oct 27, 2019 10:04 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student [ENDORSED]
Replies: 143
Views: 84038

Re: Advice from a Medical Student [ENDORSED]

Thank you so much!!!! Hey Chem 14A and 14B Students! I'm Ashley and I am a UCLA graduate and current NY medical student. Before medical school, I was Dr. Lavelle's UA for 10 quarters, which means I know how to do well and effectively study for this class. I wanted to give you some advice and things ...
by AnayaArnold_3L
Sun Oct 20, 2019 8:23 pm
Forum: Trends in The Periodic Table
Topic: Study Buddies?
Replies: 8
Views: 59

Study Buddies?

Hey guys!!

I just made this post to ask if anyone wanted to be study buddies? Especially since the Midterm is coming up in a matter of weeks :)

(Just reply to this post with your email or something you don't mind sharing)
by AnayaArnold_3L
Sun Oct 20, 2019 8:22 pm
Forum: Electron Configurations for Multi-Electron Atoms
Topic: Electron Configuration Exceptions
Replies: 5
Views: 23

Re: Electron Configuration Exceptions

saigorijavolu33J wrote:these exceptions exist because a half-full or completely full d sub-level is more stable than the partially full one.


Can you break this down a bit further I'm having trouble understanding what you meant?
by AnayaArnold_3L
Sun Oct 20, 2019 8:21 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Wavelength Plausibility
Replies: 29
Views: 544

Re: Wavelength Plausibility

Thank you so much!
by AnayaArnold_3L
Sun Oct 20, 2019 8:19 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Rydberg equation [ENDORSED]
Replies: 70
Views: 967

Re: Rydberg equation [ENDORSED]

KHowe_1B wrote:What exactly is the Rydberg equation and how do you know when to use it?


From what I can tell you will mostly use it whenever frequency is involved in the problem.
by AnayaArnold_3L
Sun Oct 20, 2019 8:17 pm
Forum: General Science Questions
Topic: Rusty on High School Chem [ENDORSED]
Replies: 166
Views: 100968

Re: Rusty on High School Chem [ENDORSED]

Just to add on-- Crash Course on Youtube is great for conceptual chemistry and overarching themes, and really helps with understanding the "greater picture" when it comes to some concepts. If you are looking for more step-by-step instruction with worked out examples, I'd highly recommend ...
by AnayaArnold_3L
Sun Oct 20, 2019 8:15 pm
Forum: Administrative Questions and Class Announcements
Topic: Accessing the E-textbook [ENDORSED]
Replies: 19
Views: 348

Re: Accessing the E-textbook [ENDORSED]

I know that a few students bought the e-textbook instead of the regular textbook. I'm interested in buying that one instead but I don't know which bundle on the Macmillan Learning student store includes the e-textbook. Do all of them include the e-textbook or only specific bundles? Loose-Leaf Versi...
by AnayaArnold_3L
Sun Oct 20, 2019 8:14 pm
Forum: Properties of Light
Topic: Week 3 Homework
Replies: 9
Views: 41

Re: Week 3 Homework

Lauren Lewis3L wrote:Does anyone know if we are allowed to do the quantum homework problems for this week's homework or are we moving on to the next section? I remember lavelle saying that we are finishing quantum on Monday.


We can still do the Quantum World homework problems.
by AnayaArnold_3L
Sun Oct 06, 2019 6:14 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Rydberg equation [ENDORSED]
Replies: 70
Views: 967

Re: Rydberg equation [ENDORSED]

KHowe_1B wrote:What exactly is the Rydberg equation and how do you know when to use it?


You usually use igt in place of a constant when trying to calculate wavelength or frequency!
by AnayaArnold_3L
Sun Oct 06, 2019 6:13 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Uncertainty in Speed [ENDORSED]
Replies: 18
Views: 489

Re: Uncertainty in Speed [ENDORSED]

The hydrogen atom has a radius of approximately 0.05 nm. Assume that we know the position of an electron to an accuracy of 1% of the hydrogen radius, calculate the uncertainty in the speed of the electron using the Heisenberg uncertainty principle. So the correct answer is Delta V >= 10^8 m/s. How ...
by AnayaArnold_3L
Sun Oct 06, 2019 6:06 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student [ENDORSED]
Replies: 143
Views: 84038

Re: Advice from a Medical Student [ENDORSED]

Hey Chem 14A and 14B Students! I'm Ashley and I am a UCLA graduate and current NY medical student. Before medical school, I was Dr. Lavelle's UA for 10 quarters, which means I know how to do well and effectively study for this class. I wanted to give you some advice and things I wish I knew when I ...
by AnayaArnold_3L
Sun Oct 06, 2019 6:00 pm
Forum: SI Units, Unit Conversions
Topic: Test 1
Replies: 5
Views: 86

Re: Test 1

Guzman_1J wrote:What topics will the first test be covering?


Be sure to memorize the units as well!
by AnayaArnold_3L
Sun Oct 06, 2019 5:59 pm
Forum: Administrative Questions and Class Announcements
Topic: Week 2 Homework Problems [ENDORSED]
Replies: 67
Views: 1062

Re: Week 2 Homework Problems [ENDORSED]

Thanks! I was sort of confused, so we’re allowed to solve problems from both fundamentals and quantum list. Hey, we are allowed to solve problems for both or just one or the other it all depends on if you feel as though you need more practice with the high school review module for the test next wee...
by AnayaArnold_3L
Sun Sep 29, 2019 6:54 pm
Forum: Administrative Questions and Class Announcements
Topic: Tutoring? [ENDORSED]
Replies: 61
Views: 53664

Re: Tutoring? [ENDORSED]

BELTRAMI_4I Does anyone know of any good tutors for the first quarter of 2019 for Chem 14A? Hey! I 've found a few good tutors for the Fall Quarter of Chem 14A on the Chemistry and Biochemistry website where they post a list of tutors for the current quarter and they also update it every quarter! He...

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