Search found 51 matches

by Brianna Mercado 3D
Sun Dec 05, 2021 11:10 pm
Forum: Lewis Structures
Topic: Lewis Structure vs Molecular Geometry
Replies: 11
Views: 2222

Re: Lewis Structure vs Molecular Geometry

Hi! Lewis structures are 2D and molecular geometry is 3D
by Brianna Mercado 3D
Sun Dec 05, 2021 11:09 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: How many orbitals are in a subshell
Replies: 33
Views: 6959

Re: How many orbitals are in a subshell

Hi! s: 1 orbital
p: 3 orbitals
d: 5 orbitals
f: 7 orbitals
by Brianna Mercado 3D
Sun Dec 05, 2021 11:08 pm
Forum: Properties of Light
Topic: Final
Replies: 35
Views: 1690

Re: Final

The final is cummalative!
by Brianna Mercado 3D
Sun Dec 05, 2021 11:06 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: How to use equation
Replies: 3
Views: 411

Re: How to use equation

The equation is called rydberg equation
by Brianna Mercado 3D
Sun Dec 05, 2021 11:03 pm
Forum: Empirical & Molecular Formulas
Topic: Empirical Formula
Replies: 21
Views: 1282

Re: Empirical Formula

Hi! You should only assume 100g if you are not given the exact molar mass
by Brianna Mercado 3D
Sun Dec 05, 2021 11:02 pm
Forum: Balancing Chemical Reactions
Topic: pH
Replies: 5
Views: 551

Re: pH

Hi! In order to calculate the pHs you first ned to identify whether its a strong base or acid
by Brianna Mercado 3D
Sun Dec 05, 2021 11:00 pm
Forum: Limiting Reactant Calculations
Topic: Percent Yield and How to Find it
Replies: 7
Views: 2828

Re: Percent Yield and How to Find it

hi! percentage yield = (actual yield/theoretical yield) x 100
by Brianna Mercado 3D
Sun Dec 05, 2021 10:59 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Molecules vs Formula Units
Replies: 10
Views: 771

Re: Molecules vs Formula Units

Hi! molecules=molecular formula and the formula units=empirical formula
by Brianna Mercado 3D
Sun Dec 05, 2021 10:57 pm
Forum: Significant Figures
Topic: calculations
Replies: 9
Views: 673

Re: calculations

Hey! Its best to round after calculations in order to get the most accurate result
by Brianna Mercado 3D
Sun Dec 05, 2021 10:54 pm
Forum: Significant Figures
Topic: how do they work
Replies: 8
Views: 584

Re: how do they work

2000 has 1 sig fig 2000.00 has 6
by Brianna Mercado 3D
Sun Dec 05, 2021 10:53 pm
Forum: SI Units, Unit Conversions
Topic: ways to remember sigfigs
Replies: 15
Views: 2117

Re: ways to remember sigfigs

Ellen Tsai 3D wrote:I like to use the Atlantic and pacific method which ill attach

This helped me out in my final today Thank you so much!
by Brianna Mercado 3D
Sun Dec 05, 2021 10:52 pm
Forum: SI Units, Unit Conversions
Topic: Temperature Scales
Replies: 6
Views: 429

Re: Temperature Scales

Celcius ! I believe so because Fahrenheit isn't used often
by Brianna Mercado 3D
Sun Dec 05, 2021 10:51 pm
Forum: SI Units, Unit Conversions
Topic: Converting m to nm
Replies: 37
Views: 4576

Re: Converting m to nm

Hi! You need to multiply by 1 x 10^9 in order to cancel out the m and get nm
by Brianna Mercado 3D
Sun Dec 05, 2021 10:50 pm
Forum: SI Units, Unit Conversions
Topic: Miles to meters
Replies: 6
Views: 487

Re: Miles to meters

1 mile = 1609.34 meters
by Brianna Mercado 3D
Sun Dec 05, 2021 10:47 pm
Forum: Properties of Light
Topic: energy and frequency
Replies: 5
Views: 425

Re: energy and frequency

Hi! high frequency=more energy
by Brianna Mercado 3D
Sun Nov 14, 2021 11:41 pm
Forum: Properties of Light
Topic: Midterm 2
Replies: 16
Views: 552

Re: Midterm 2

Hello, from reading the previous responses I can make out that there is partial scoring. But, no unfortunately there is no curve
by Brianna Mercado 3D
Sun Nov 14, 2021 11:40 pm
Forum: Properties of Light
Topic: Final
Replies: 35
Views: 1690

Re: Final

The final will be cumulative.
by Brianna Mercado 3D
Sun Nov 07, 2021 11:21 pm
Forum: Ionic & Covalent Bonds
Topic: Achieve HW Q10
Replies: 7
Views: 305

Re: Achieve HW Q10

Hello! The reasoning why is because they are farther away on periodic table (:
by Brianna Mercado 3D
Sun Nov 07, 2021 11:17 pm
Forum: Naming
Topic: Memorizing names of compounds
Replies: 8
Views: 479

Re: Memorizing names of compounds

Hello, we are not expected to memorize names of compounds.
by Brianna Mercado 3D
Sun Nov 07, 2021 11:16 pm
Forum: Limiting Reactant Calculations
Topic: best method
Replies: 6
Views: 498

Re: best method

Hi!
Here's the easiest way I found to findinf the limiting reagents:
- convert reactants into moles
-divide by coefficient
-reactant w small # is limiting
by Brianna Mercado 3D
Sun Nov 07, 2021 11:13 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Achieve #16
Replies: 8
Views: 510

Re: Achieve #16

Helllo! In order to see if compatible, it must start above the red line & end at the red line.
by Brianna Mercado 3D
Sun Nov 07, 2021 11:10 pm
Forum: Administrative Questions and Class Announcements
Topic: 14B Enrollment [ENDORSED]
Replies: 67
Views: 20189

Re: 14B Enrollment [ENDORSED]

Hi! I believe summer school is a good option,but since it is only 6 weeks I'd recommend doing it throughout the school year (:
by Brianna Mercado 3D
Sun Oct 31, 2021 9:05 pm
Forum: Properties of Light
Topic: Submitting the homework a day late?
Replies: 13
Views: 906

Re: Submitting the homework a day late?

Hello! From what I'm aware of there isn't a drastic penalty when submitting late I believe its only a couple of points.
by Brianna Mercado 3D
Sun Oct 31, 2021 8:51 pm
Forum: Properties of Light
Topic: Units
Replies: 13
Views: 569

Re: Units

hello, I was having similar problems when converting, its easiest to convert when initially starting your problem so you don't get slight conversion mistakes
by Brianna Mercado 3D
Sun Oct 31, 2021 8:41 pm
Forum: Properties of Light
Topic: Midterm result
Replies: 6
Views: 325

Re: Midterm result

Midterm results have been posted, the class average was above an 80
by Brianna Mercado 3D
Sun Oct 31, 2021 8:40 pm
Forum: Properties of Light
Topic: How to draw on Achieve on laptop
Replies: 6
Views: 316

Re: How to draw on Achieve on laptop

hey, you could get examples on how to draw structures on week 1 achieve homework
by Brianna Mercado 3D
Sun Oct 31, 2021 8:33 pm
Forum: Properties of Light
Topic: Achieve not loading
Replies: 5
Views: 261

Re: Achieve not loading

Hey! I've had similar issues and it was resolved when logging in through chrome
by Brianna Mercado 3D
Sun Oct 24, 2021 10:52 pm
Forum: Einstein Equation
Topic: Achieve 2 #12
Replies: 4
Views: 468

Re: Achieve 2 #12

Hi! For part B its just unit conversion!(:
by Brianna Mercado 3D
Sun Oct 24, 2021 10:51 pm
Forum: *Shrodinger Equation
Topic: How to use on test
Replies: 3
Views: 433

Re: How to use on test

Hi! We only need to know the concept (:
by Brianna Mercado 3D
Sun Oct 24, 2021 10:50 pm
Forum: DeBroglie Equation
Topic: HW - #14
Replies: 6
Views: 390

Re: HW - #14

Hi! I also have the same set up & was wondering the same thing /:
by Brianna Mercado 3D
Sun Oct 24, 2021 10:46 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Midterm Scores
Replies: 16
Views: 654

Re: Midterm Scores

Hi! He recently emailed that the scores will be out in the next couple of days!
by Brianna Mercado 3D
Sun Oct 24, 2021 10:42 pm
Forum: DeBroglie Equation
Topic: Achieve #13
Replies: 5
Views: 580

Re: Achieve #13

Hi!
The equation I used 6.62x10^-34 x (3x10^8)/ lambda ! hope this helps!
by Brianna Mercado 3D
Sun Oct 17, 2021 11:29 pm
Forum: General Science Questions
Topic: Rusty on High School Chem [ENDORSED]
Replies: 347
Views: 500244

Re: Rusty on High School Chem [ENDORSED]

As someone who also hasn't taken chemistry since Junior year in high school, I believe the amount of resources and very well explained lectures helped me calm my nerves down in this class. Something that has also helped me is quizlet exams I constructed on topic definitions!
by Brianna Mercado 3D
Sun Oct 17, 2021 11:26 pm
Forum: Administrative Questions and Class Announcements
Topic: How to find my posts
Replies: 163
Views: 185792

Re: How to find my posts

By clicking quick links on the left hand side, you'll see a button named your posts (:
by Brianna Mercado 3D
Sun Oct 17, 2021 11:23 pm
Forum: Administrative Questions and Class Announcements
Topic: How to list Chem_Mod posts
Replies: 25
Views: 95083

Re: How to list Chem_Mod posts

Aliya Roserie 3I wrote:Does anyone know how to post a question?

Hi! To post a question you go on the quick link tabs on the left hand side, click your posts and it states post a question hope this helps !
by Brianna Mercado 3D
Sun Oct 17, 2021 11:21 pm
Forum: Student Social/Study Group
Topic: Final Jitters
Replies: 457
Views: 489190

Re: Final Jitters

Rereading the suggestions and positive affirmations under this post really helped me with my nervousness for our midterm on Friday thank you !
by Brianna Mercado 3D
Sun Oct 17, 2021 11:18 pm
Forum: Student Social/Study Group
Topic: Culinary Chemistry
Replies: 239
Views: 47267

Re: Culinary Chemistry

Ceviche has also always been one of those dishes that fascinates me because of the chemistry behind it! I always found ceviche to be an interesting dish! It's essentially letting raw shrimp marinate in an acidic base (oxymoron haha) mainly composed of lemon or lime juice. The citric acid causes the ...
by Brianna Mercado 3D
Sun Oct 10, 2021 8:31 pm
Forum: Limiting Reactant Calculations
Topic: Achieve Homework 1 - #10
Replies: 5
Views: 288

Re: Achieve Homework 1 - #10

From my understanding the chemical formulas will be provided for you
by Brianna Mercado 3D
Sun Oct 10, 2021 8:25 pm
Forum: Empirical & Molecular Formulas
Topic: Midterm
Replies: 66
Views: 2721

Re: Midterm

Hi! From advice I've heard from peers who have taken this course, they recommended doing both textbook problems and making flashcards with important topics. Hope this helps!
by Brianna Mercado 3D
Sun Oct 10, 2021 8:23 pm
Forum: SI Units, Unit Conversions
Topic: Achieve Due Dates [ENDORSED]
Replies: 37
Views: 2147

Re: Achieve Due Dates [ENDORSED]

Hi! Achieve due dates aren't set for specific date, but they are due on Sundays at 11:59pm (no specific Sunday dates). I believe that they will be due after every unit.
by Brianna Mercado 3D
Sun Oct 10, 2021 8:18 pm
Forum: SI Units, Unit Conversions
Topic: What units do we use?
Replies: 14
Views: 1352

Re: What units do we use?

Hi! You will know what specific units you'll have to use based on what the question is asking!
by Brianna Mercado 3D
Sun Oct 10, 2021 8:15 pm
Forum: Significant Figures
Topic: Significant Figures [ENDORSED]
Replies: 9
Views: 416

Re: Significant Figures [ENDORSED]

Hi! Any number after the decimal is considered a Significant figure
by Brianna Mercado 3D
Sun Oct 10, 2021 8:14 pm
Forum: Significant Figures
Topic: Significant Figures [ENDORSED]
Replies: 9
Views: 416

Re: Significant Figures [ENDORSED]

Hi! Any number after the decimal is considered a Significant figure
by Brianna Mercado 3D
Sun Oct 03, 2021 8:14 am
Forum: Empirical & Molecular Formulas
Topic: What to do when you aren't given the molecular formula
Replies: 6
Views: 365

Re: What to do when you aren't given the molecular formula

Hello, I believe Lavelle stated that in the meantime the molecular formulas will be given to us, so no need to look it up at the moment :)
by Brianna Mercado 3D
Sun Oct 03, 2021 8:12 am
Forum: Administrative Questions and Class Announcements
Topic: Fall 2021 Discussion 1B, Week 1
Replies: 5
Views: 260

Re: Fall 2021 Discussion 1B, Week 1

We must post or reply on Chemistry Community 5x per week (:
by Brianna Mercado 3D
Sun Oct 03, 2021 8:10 am
Forum: Properties of Light
Topic: Audio Visual Focus Topics
Replies: 8
Views: 366

Re: Audio Visual Focus Topics

I believe we should watch the AVFT before the end of week 2. Though these aren't graded assignments, they are a great resource for when we start learning about Quantum.
by Brianna Mercado 3D
Sun Oct 03, 2021 8:07 am
Forum: SI Units, Unit Conversions
Topic: Discussion Turn In Questions
Replies: 10
Views: 439

Re: Discussion Turn In Questions

Hi,
I do not think we have to turn those questions in. My TA mentioned it being resources not an actual assignment.
by Brianna Mercado 3D
Sun Oct 03, 2021 8:05 am
Forum: SI Units, Unit Conversions
Topic: Achieve Log In
Replies: 3
Views: 263

Achieve Log In

Hello, I was wondering if any of you had issues when logging into achieve? I am familiar with the site and have read the instructions posted to the site, yet my achieve tab does not open. The site mentions it opening on another tab or site but no tab or site pops up. I've tried using other computers...

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