Search found 58 matches

by 805421690
Thu Dec 17, 2020 12:32 am
Forum: General Science Questions
Topic: State of a molecule
Replies: 6
Views: 59

Re: State of a molecule

The state is given if needed!
by 805421690
Thu Dec 17, 2020 12:31 am
Forum: General Science Questions
Topic: What time is the final?
Replies: 5
Views: 36

Re: What time is the final?

11:30 to 1
by 805421690
Thu Dec 17, 2020 12:31 am
Forum: General Science Questions
Topic: midterm 2 answers
Replies: 26
Views: 269

Re: midterm 2 answers

You have to go to the TA office hours and I believe we are not allowed to write down the questions and answers, hope this helps for 14B
by 805421690
Thu Dec 17, 2020 12:30 am
Forum: General Science Questions
Topic: Grade Breakdown
Replies: 32
Views: 349

Re: Grade Breakdown

I'm assuming it's just a general/typical straight scale where: 93%-100%: A 90%-92.9%: A- 87%-89.9%: B+ 83%-86.9%: B and so on... However I'm unsure about the cutoffs as the percentages get lower because you need at least 50% for a C- Do you happen to know the minimum for the the class before you ge...
by 805421690
Thu Dec 17, 2020 12:28 am
Forum: General Science Questions
Topic: # of chem posts
Replies: 27
Views: 323

Re: # of chem posts

It is 5 posts per week! By the end we should have 50, hope this helps!
by 805421690
Thu Dec 17, 2020 12:27 am
Forum: General Science Questions
Topic: Tricks for Knowing Locations of Metals and Nonmetals on Periodic Table
Replies: 8
Views: 77

Re: Tricks for Knowing Locations of Metals and Nonmetals on Periodic Table

hi! I was wondering if anyone had any tricks or tips for memorizing/knowing the general area for metals/nonmetals/metalloids on the periodic table?? thank you! Once you learn staircase it becomes very easy! you can try searching up videos on YouTube if you are a visual learner as well, hope this he...
by 805421690
Thu Dec 17, 2020 12:26 am
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student [ENDORSED]
Replies: 228
Views: 117561

Re: Advice from a Medical Student [ENDORSED]

Thank you so much Ashley!!
by 805421690
Thu Dec 17, 2020 12:25 am
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Cell Diagram and Ecell [ENDORSED]
Replies: 11
Views: 40230

Re: Cell Diagram and Ecell [ENDORSED]

davidryan3f wrote:
jane_ni_2d wrote:how can you tell which is the anode and which is the cathode?

the anode is always on the right of the cell diagram and the cathode is on the right.

I thought the anode is always on the left of the cell?
by 805421690
Thu Dec 17, 2020 12:21 am
Forum: Administrative Questions and Class Announcements
Topic: How to list Chem_Mod posts
Replies: 19
Views: 40432

Re: How to list Chem_Mod posts

1. Click "Quick links" top left 2. Click "Search" 3. In "Search for author" type: Chem_Mod 4. Click "Search" button at bottom of page 5. All Chem_Mod posts are listed starting with most recent. 6. Enjoy the informative reading! :-) Thank you for the step by s...
by 805421690
Thu Dec 17, 2020 12:19 am
Forum: Administrative Questions and Class Announcements
Topic: other resources
Replies: 5
Views: 38

Re: other resources

Organic Chemistry tutor is a great resource found on YouTube, where there are other amazing tutors that will show you step by step how to answer problems and give you different teacher-point of views for learning topics in chemistry
by 805421690
Thu Dec 17, 2020 12:16 am
Forum: Administrative Questions and Class Announcements
Topic: Grading scale
Replies: 9
Views: 101

Re: Grading scale

I believe anything greater than a 93 or maybe a 94 will classify the A as an A+
by 805421690
Thu Dec 17, 2020 12:14 am
Forum: Quantum Numbers and The H-Atom
Topic: London Dispersion Forces
Replies: 7
Views: 65

Re: London Dispersion Forces

London Dispersion Forces are synonymous with Induced Dipole-Induced Dipole, Van Der Waals, and Dispersion forces. These type of intermolecular forces tend to appear in all molecules, and when non polar molecules interact with each other they only experience LDFs. Great simple answer to this, also r...
by 805421690
Thu Dec 17, 2020 12:13 am
Forum: Limiting Reactant Calculations
Topic: General Limiting Question
Replies: 9
Views: 67

Re: General Limiting Question

when the reaction is completed, how is the excess reactants affected?
by 805421690
Thu Dec 17, 2020 12:11 am
Forum: Student Social/Study Group
Topic: 14B Groupme
Replies: 9
Views: 78

Re: 14B Groupme

Simrah_Ahmed3F wrote:Hey you guys!
here's the groupme link:
https://groupme.com/join_group/62288203/dSSkobMS

Thank you!! The last group me helped me stay on track, hopefully for 14B I will perform better
by 805421690
Thu Dec 17, 2020 12:10 am
Forum: Naming
Topic: Latin names
Replies: 10
Views: 58

Re: Latin names

only for anions :)!
by 805421690
Thu Dec 17, 2020 12:09 am
Forum: General Science Questions
Topic: Study Habits
Replies: 4
Views: 35

Re: Study Habits

Making an outline of important topics we learned each lecture first, and then going on YouTube to see multiple examples on how to solve and identify those topics through organic chemistry tutor helped me a lot! I am not a student that can learn by themselves by reading textbook problems, I like to h...
by 805421690
Thu Dec 17, 2020 12:07 am
Forum: Lewis Acids & Bases
Topic: memorization
Replies: 2
Views: 20

Re: memorization

Kainalu Puu-Robinson wrote:In general, strong acids will start with an H (ex: HCl), and strong bases end in OH (ex: NaOH).

This is a great way to memorize which acids and bases are strong thank you!
by 805421690
Thu Dec 17, 2020 12:06 am
Forum: Student Social/Study Group
Topic: Participation
Replies: 45
Views: 338

Re: Participation

click on your name and it should tell you how many posts you have. Just remember each week requires 5 posts so remember to account for that when calculating if you get all your participation points. If we didn't do a full 5 one week, but then made up for it the next week does that count? Like only ...
by 805421690
Thu Dec 17, 2020 12:04 am
Forum: Air Pollution & Acid Rain
Topic: ocean acidification
Replies: 2
Views: 22

Re: ocean acidification

Nope, these are different chemical processes. As I understand it, Ocean Acidification is a phenomenon driven by the increased atmospheric carbon dioxide we are producing while acid rain comes from sulfur and nitrogen oxides released into the air. Ocean acidification comes from the high atmospheric ...
by 805421690
Wed Dec 16, 2020 10:45 pm
Forum: Administrative Questions and Class Announcements
Topic: Updating Lockdown Browser
Replies: 4
Views: 52

Re: Updating Lockdown Browser

The lockdown browser pops up on the search bar on the right side on apple devices, and once you take the test it will pop up for you to use and quit all your open tabs! hope this helps
by 805421690
Wed Dec 16, 2020 10:44 pm
Forum: Administrative Questions and Class Announcements
Topic: Chem14B Waitlist Spots
Replies: 6
Views: 90

Re: Chem14B Waitlist Spots

The professor might have you as waitlisted but everyone eventually is enrolled into the class when the quarter starts still do all the homework and assignments while you wait to officially be enrolled, hope this helps
by 805421690
Wed Dec 16, 2020 10:43 pm
Forum: Ideal Gases
Topic: Reading the textbook [ENDORSED]
Replies: 178
Views: 106712

Re: Reading the textbook [ENDORSED]

Honestly I never really relied on the book, I am not a reading-learner, instead I relied heavily on organic chemistry tutor on YouTube and he is amazing! I hope this helps for the next chemistry quarter
by 805421690
Wed Dec 16, 2020 10:41 pm
Forum: Administrative Questions and Class Announcements
Topic: Material provided in all Chem 14A/14B quizzes and exams
Replies: 11
Views: 20666

Re: Material provided in all Chem 14A/14B quizzes and exams

I wonder if more quizzes In this course would make students study more throughout the weeks instead of before big tests like the midterms and final
by 805421690
Wed Dec 16, 2020 10:40 pm
Forum: Administrative Questions and Class Announcements
Topic: How to find my posts
Replies: 87
Views: 49608

Re: How to find my posts

You click on quick links on the top left of the screen, and just click on "Your Posts" underneath it! also, I just figured this out today lol!
by 805421690
Wed Dec 16, 2020 10:39 pm
Forum: General Science Questions
Topic: Rusty on High School Chem [ENDORSED]
Replies: 211
Views: 142677

Re: Rusty on High School Chem [ENDORSED]

I took chemistry my sophomore year of Highschool, a basic course. I definitely struggled a lot doing this quarter's chemistry and I will say I wish I tried to do a beginners course at my local community college to refresh my memory!
by 805421690
Wed Dec 16, 2020 10:37 pm
Forum: Administrative Questions and Class Announcements
Topic: Registering/Creating Your Chemistry Community Account
Replies: 32
Views: 44958

Re: Registering/Creating Your Chemistry Community Account

I just wanted to ask, are they Able to see the posts you make under one topic or will they only grade the ONE post?
by 805421690
Wed Dec 16, 2020 10:36 pm
Forum: Administrative Questions and Class Announcements
Topic: Tutoring? [ENDORSED]
Replies: 82
Views: 74427

Re: Tutoring? [ENDORSED]

This is a bit late, but you might want to check out Alpha Chi Sigma, the chemistry fraternity here. They offer free tutoring by appointment. Here's a link to their site: http://www.chem.ucla.edu/axe/tutoring.html I did uotknow they even existed, thank you so much definitely will bemusing this for n...
by 805421690
Wed Dec 16, 2020 10:35 pm
Forum: General Rate Laws
Topic: Unique Reaction Rates [ENDORSED]
Replies: 34
Views: 78912

Re: Unique Reaction Rates [ENDORSED]

If all of the stoichiometric coefficients were different, the unique rate can still be the same using any of them to calculate it because we are multiplying the (change in concentration/change in time) by 1/coefficient. This therefore allows us to calculate the unique rate using any of the species ...
by 805421690
Wed Dec 16, 2020 10:32 pm
Forum: Student Social/Study Group
Topic: Favorite TV shows
Replies: 176
Views: 836

Re: Favorite TV shows

Watch Evil on Netflix!!! It is so good, although it is on the scary side but it definitely has its funny moments! For sure a binge watch series
by 805421690
Wed Dec 16, 2020 10:28 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student - Part II [ENDORSED]
Replies: 206
Views: 15590

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

Thank you so much for posting this, I really needed to hear this especially after/during my finals
by 805421690
Wed Dec 16, 2020 10:28 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student - Part II [ENDORSED]
Replies: 206
Views: 15590

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

Thank you so much for posting this, I really needed to hear this especially after/during my finals
by 805421690
Wed Dec 16, 2020 10:26 pm
Forum: Calculating the pH of Salt Solutions
Topic: Hard Water vs. Soft Water
Replies: 9
Views: 60

Re: Hard Water vs. Soft Water

Does anyone know the best water brand that is healthier to drink, I heard of the most common brands being actually acidic and poor in health for us to drink!
by 805421690
Wed Dec 16, 2020 10:24 pm
Forum: *Titrations & Titration Calculations
Topic: Is this a 14B topic? [ENDORSED]
Replies: 8
Views: 78

Re: Is this a 14B topic? [ENDORSED]

Quick question, does anyone one know the the intensity of 14B compared to this class? Will it increase in difficulty or be a little bit more easier ? Thank you!
by 805421690
Wed Dec 16, 2020 10:23 pm
Forum: Student Social/Study Group
Topic: Course Evals
Replies: 18
Views: 83

Re: Course Evals

Does anyone know how many extra points we received for the course evaluation? Will it impact out grade in a negative way if we did not complete them?
by 805421690
Wed Dec 16, 2020 10:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8501
Views: 1468980

Re: Post All Chemistry Jokes Here

The biggest joke is me commenting under this post to get an extra chemistry community point! haha
by 805421690
Wed Dec 16, 2020 10:21 pm
Forum: Administrative Questions and Class Announcements
Topic: Chem community points
Replies: 16
Views: 117

Re: Chem community points

For some reason it says I did not complete the amount of posts I know I did... I think because I replied multiple times under the same post. Does that mean those posts do not count?
by 805421690
Wed Dec 16, 2020 10:19 pm
Forum: Student Social/Study Group
Topic: New Year Resolutions?
Replies: 51
Views: 158

Re: New Year Resolutions?

Build my confidence! in every aspect, whether it be my confidence in my intelligence or physically or communication wise
by 805421690
Wed Dec 16, 2020 10:17 pm
Forum: Calculating the pH of Salt Solutions
Topic: pH formula?
Replies: 46
Views: 930

Re: pH formula?

acid: (-log[H+]
base: 14 - (-log[OH-])
by 805421690
Wed Dec 16, 2020 10:15 pm
Forum: Student Social/Study Group
Topic: grade calculation
Replies: 12
Views: 99

Re: grade calculation

I am curious to know that if we do all of the chemistry community statements/questions, and homework, will that give enough boost for the final grade? In a situation where you performed poorly on the tests
by 805421690
Wed Dec 16, 2020 10:13 pm
Forum: General Science Questions
Topic: Passing Grade
Replies: 34
Views: 208

Re: Passing Grade

Does anyone know that if you fail this class will you be able to still take 14B next quarter?
by 805421690
Wed Dec 16, 2020 10:12 pm
Forum: General Science Questions
Topic: Passing Grade
Replies: 34
Views: 208

Re: Passing Grade

I believe that it is almost like a curve, if you get a 50% he will pass you with a low C.
by 805421690
Wed Dec 16, 2020 10:11 pm
Forum: General Science Questions
Topic: final timing
Replies: 24
Views: 105

Re: final timing

This final was definitely no joke. I did poor on the first midterm because of poor studying habits but I did great on the second one. However this final for sure humbled me, I am hoping for the best currently
by 805421690
Wed Dec 16, 2020 10:10 pm
Forum: Student Social/Study Group
Topic: Final grades
Replies: 8
Views: 56

Re: Final grades

Over hundreds of students that need to be graded, they should be posted soon enough I know the professor is swamped with the amount of students. I hope he has an amazing break after all that grading
by 805421690
Wed Dec 16, 2020 10:08 pm
Forum: Student Social/Study Group
Topic: Plans for Relaxing After Finals
Replies: 97
Views: 443

Re: Plans for Relaxing After Finals

This might not be relaxing, but I am definitely planning on also being productive over break with my projects. One is my clothing brand called PlayGirlzLA on Instagram and twitter! And the other is my nonprofit organization called H5foundation one instagram!
by 805421690
Wed Dec 16, 2020 10:06 pm
Forum: Student Social/Study Group
Topic: Plans for Relaxing After Finals
Replies: 97
Views: 443

Re: Plans for Relaxing After Finals

I'm gonna spend time with my parents and try to get outside because it feels like I've been cooped up for the past two weeks. Definitely catch up on some shows and maybe read for fun. Also sleep in! Do you have any interesting Netflix shows/movies and books that you suggest! Definitely planning on ...
by 805421690
Wed Dec 16, 2020 10:05 pm
Forum: Student Social/Study Group
Topic: Plans for Relaxing After Finals
Replies: 97
Views: 443

Re: Plans for Relaxing After Finals

Definitely going to get my sleep in for a few days and lounge around! All of these late night study groups and early morning independent study times have taken a tole on my energy and sleeping habits. Of course after that I want to maybe go hiking, go to the beach, go bike riding, just be OUTSIDE.
by 805421690
Wed Dec 16, 2020 10:03 pm
Forum: Student Social/Study Group
Topic: New Year Resolutions?
Replies: 51
Views: 158

Re: New Year Resolutions?

I want to work on becoming more focused on academics, specifically finding the motivation to be interested in school. Being outside of the classroom definitely has had a negative affect on my participation with my school work. outside of academics I also want to begin a healthier lifestyle including...
by 805421690
Sun Nov 22, 2020 11:16 pm
Forum: Student Social/Study Group
Topic: Curve?
Replies: 50
Views: 1902

Re: Curve?

Does anyone know what we have to score (Minimal) on the midterms and final in order to pass the class?
by 805421690
Sun Nov 22, 2020 11:14 pm
Forum: Student Social/Study Group
Topic: Final Jitters
Replies: 226
Views: 35945

Re: Final Jitters

Remember to get enough sleep, I know a lot of us try to do cram-studying the night before, but this should be the night you go to bed early! Also hydrate and eat a good meal before taking the test, it may seem small but it goes a long way! Good luck everyone!
by 805421690
Sun Nov 22, 2020 11:12 pm
Forum: Student Social/Study Group
Topic: Final Jitters
Replies: 226
Views: 35945

Re: Final Jitters

Does anyone know how to calm down your anxieties before you take this final? Since having test anxiety can be very distracting while you're trying to study or even while you're taking the test itself. Open to any tips:) I find it very helpful to put on meditation music or just nature recordings of ...
by 805421690
Sun Nov 22, 2020 11:11 pm
Forum: Administrative Questions and Class Announcements
Topic: Saying Thank You to Dr. Lavelle
Replies: 337
Views: 139493

Re: Saying Thank You to Dr. Lavelle

Thank you so much for making chemistry something to look forward to, the overall flow of the class could not get any better! I wish we could have came to class instead of doing everything online.
by 805421690
Sun Nov 22, 2020 11:09 pm
Forum: Lewis Structures
Topic: Dot stucture
Replies: 11
Views: 66

Dot stucture

How do we solve a lewis dot structure? I know for the first step we have to find the total number of valence electrons correct?
by 805421690
Sun Oct 11, 2020 11:52 pm
Forum: Significant Figures
Topic: Molar Mass Sig Figs
Replies: 9
Views: 81

Re: Molar Mass Sig Figs

I usually keep it to three, unless the fourth one is higher than five. If it is I just keep it to if I am calculating that number, but if its for the final answer I just round it up or drop it. Hope that helps
by 805421690
Sun Oct 11, 2020 11:50 pm
Forum: Significant Figures
Topic: Rounding Rule
Replies: 8
Views: 77

Re: Rounding Rule

Do you guys know if we use Oxygen's mass as 15.999 or just 16.00, I kept getting different answers online when looking at the periodic table and was wondering which one is most preferred or does it even matter? Thank you!
by 805421690
Sun Oct 11, 2020 11:49 pm
Forum: Significant Figures
Topic: Empirical vs Molecular Formula?
Replies: 7
Views: 42

Re: Empirical vs Molecular Formula?

I try to remember molecular formula as an exact proximate, just like on the periodic table everything is approximate, therefore for this formula we do not use ratios but instead the approximate number of how many atoms there are.
by 805421690
Sun Oct 11, 2020 11:47 pm
Forum: Significant Figures
Topic: Empirical vs Molecular Formula?
Replies: 7
Views: 42

Re: Empirical vs Molecular Formula?

I always get confused with the ratios for empirical formula! For example if I simplified the molecular formula by 2, and yet I can simplify it again by another number like 3, is that allowed? Or do I keep it simplified by the first number in this situation which is by 2? Thank you!
by 805421690
Sun Oct 11, 2020 11:44 pm
Forum: Significant Figures
Topic: Easy 3 Rules
Replies: 9
Views: 112

Easy 3 Rules

Hey guys, I think the hardest part for me with sig fig was trying to remember the rules. So I wanted to share the easiest way to explain how to find significant figures: 1. Any # greater than 0 is significant 2. Any number between a significant # is also significant. Meaning if it qualified for step...

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