Search found 53 matches

by Kaylee Kang 1G
Mon Feb 18, 2019 11:35 am
Forum: Student Social/Study Group
Topic: Test
Replies: 10
Views: 61

Re: Test

Straight from Lavelle's website! "Test 2 covers all topics on Gibbs free energy and electrochemistry up to but not including the Nernst equation (which is all the new material covered in class Weeks 6 and 7). Test 2 starts Tuesday of Week 8."
by Kaylee Kang 1G
Mon Feb 18, 2019 11:34 am
Forum: Calculating Standard Reaction Entropies (e.g. , Using Standard Molar Entropies)
Topic: Midterm Grades
Replies: 35
Views: 197

Re: Midterm Grades

Midterm grades are most likely available during our next discussion!
by Kaylee Kang 1G
Mon Feb 18, 2019 11:33 am
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Gibbs Free Energy vs. Standard Gibbs Free Energy
Replies: 3
Views: 26

Re: Gibbs Free Energy vs. Standard Gibbs Free Energy

Standard Gibbs Free Energy is at specific conditions, whereas just gibbs free energy can be at any given conditions!
by Kaylee Kang 1G
Mon Feb 11, 2019 10:09 am
Forum: Entropy Changes Due to Changes in Volume and Temperature
Topic: Converting Celsius to Kelvin
Replies: 7
Views: 33

Re: Converting Celsius to Kelvin

273 K should be fine to get your answer!
by Kaylee Kang 1G
Mon Feb 11, 2019 10:09 am
Forum: Calculating Work of Expansion
Topic: Reversible vs Irreversible
Replies: 10
Views: 55

Re: Reversible vs Irreversible

The starting conditions should help you determine whether the reaction is reversible or irreversible.
by Kaylee Kang 1G
Mon Feb 11, 2019 10:08 am
Forum: Concepts & Calculations Using Second Law of Thermodynamics
Topic: General entropy question
Replies: 9
Views: 51

Re: General entropy question

Gases will have the highest entropy because they have more possible positions, compared to solids and gases.
by Kaylee Kang 1G
Mon Feb 04, 2019 10:02 am
Forum: Calculating Work of Expansion
Topic: Integral calculations
Replies: 4
Views: 29

Re: Integral calculations

I do not think we will be required to know how to take an integral. Lavelle was just showing us where the equation was derived from!
by Kaylee Kang 1G
Mon Feb 04, 2019 10:01 am
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Isolated System (Water bottle)
Replies: 6
Views: 26

Re: Isolated System (Water bottle)

This is because the water is insulated, so energy cannot move in and out of the system!
by Kaylee Kang 1G
Mon Feb 04, 2019 10:00 am
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Work
Replies: 6
Views: 36

Re: Work

If work is positive, then it is adds energy into the system. If it is negative, energy is released!
by Kaylee Kang 1G
Mon Jan 28, 2019 10:12 am
Forum: Phase Changes & Related Calculations
Topic: Due date for Discussion Questions
Replies: 8
Views: 70

Re: Due date for Discussion Questions

Homework is due during discussion every week!
by Kaylee Kang 1G
Mon Jan 28, 2019 10:12 am
Forum: Ideal Gases
Topic: pH and pOH
Replies: 17
Views: 93

Re: pH and pOH

The probable will typically tell you whether to solve for pH or pOH.
by Kaylee Kang 1G
Mon Jan 28, 2019 10:11 am
Forum: Non-Equilibrium Conditions & The Reaction Quotient
Topic: Units of Kp
Replies: 7
Views: 47

Re: Units of Kp

The units for Kp are typically bar or atm.
by Kaylee Kang 1G
Mon Jan 21, 2019 9:48 am
Forum: Ideal Gases
Topic: Chemistry Community Posting
Replies: 7
Views: 57

Re: Chemistry Community Posting

Three posts should be done before midnight on Sunday!
by Kaylee Kang 1G
Mon Jan 21, 2019 9:47 am
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: The Conjugate Seesaw
Replies: 13
Views: 83

Re: The Conjugate Seesaw

Kw is always constant, and Ka*Kb=Kw, so if Ka increases, Kb decreases, and vice versa.
by Kaylee Kang 1G
Mon Jan 21, 2019 9:45 am
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: pressure and volume
Replies: 5
Views: 33

Re: pressure and volume

Pressure and volume are inversely related! For example, if pressure decreases, volume goes up, and vice versa.
by Kaylee Kang 1G
Mon Jan 14, 2019 1:51 pm
Forum: Ideal Gases
Topic: Homework Week 2
Replies: 10
Views: 75

Re: Homework Week 2

Homework will be due during your discussion starting this week!
by Kaylee Kang 1G
Mon Jan 14, 2019 1:50 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Temperature
Replies: 6
Views: 65

Re: Temperature

Temperature must stay the same because it can change the equilibrium constant!
by Kaylee Kang 1G
Mon Jan 14, 2019 1:50 pm
Forum: Ideal Gases
Topic: Denoting brackets/parentheses
Replies: 9
Views: 57

Re: Denoting brackets/parentheses

Brackets are typically used to denote concentration!
by Kaylee Kang 1G
Wed Jan 09, 2019 9:22 am
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Discussion Points
Replies: 3
Views: 21

Re: Discussion Points

Yeah, there is no direct way to check if you are getting points, but as long as you post three times a week, you should be fine!
by Kaylee Kang 1G
Wed Jan 09, 2019 9:21 am
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Leaning to the left/right
Replies: 4
Views: 38

Re: Leaning to the left/right

The leaning refers to which direction the reaction is favored.
by Kaylee Kang 1G
Mon Dec 03, 2018 11:14 am
Forum: Administrative Questions and Class Announcements
Topic: Final Grades
Replies: 10
Views: 99

Re: Final Grades

I do not believe final grades are curved for this class.
by Kaylee Kang 1G
Mon Dec 03, 2018 11:13 am
Forum: Determining Molecular Shape (VSEPR)
Topic: AX3E
Replies: 18
Views: 99

Re: AX3E

A molecule with AX3E would be trigonal pyramidal!
by Kaylee Kang 1G
Mon Dec 03, 2018 11:12 am
Forum: Naming
Topic: Naming the Shape
Replies: 6
Views: 53

Re: Naming the Shape

I think the only way to really determine the shape is to draw it, so that you can visualize where the bonds and lone pair electrons are!
by Kaylee Kang 1G
Wed Nov 28, 2018 11:57 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Polarity of CH2Cl2
Replies: 2
Views: 17

Re: Polarity of CH2Cl2

This is because CH2Cl2 is tetrahedral, so it doesn't actually cancel out perfectly like it appears to with its Lewis structure.
by Kaylee Kang 1G
Mon Nov 26, 2018 5:05 pm
Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
Topic: test #3
Replies: 14
Views: 177

Re: test #3

ariellasarkissian_3H wrote:Also, are we responsible for memorizing the bond angles for each shape?


I think for the test, it would probably be useful to know the bond angles.
by Kaylee Kang 1G
Mon Nov 26, 2018 5:04 pm
Forum: Hybridization
Topic: Just Kind of Confused
Replies: 13
Views: 79

Re: Just Kind of Confused

Either way is fine in this case!
by Kaylee Kang 1G
Mon Nov 26, 2018 5:02 pm
Forum: Dipole Moments
Topic: TEST 3: Polarity
Replies: 7
Views: 84

Re: TEST 3: Polarity

I would follow Lavelle's example and have them point towards the negative!
by Kaylee Kang 1G
Tue Nov 20, 2018 10:54 am
Forum: Administrative Questions and Class Announcements
Topic: Thanksgiving week
Replies: 10
Views: 159

Re: Thanksgiving week

There is no class on Wednesday!!
by Kaylee Kang 1G
Tue Nov 20, 2018 10:54 am
Forum: Administrative Questions and Class Announcements
Topic: Discussion
Replies: 3
Views: 66

Re: Discussion

I agree, I think discussions are still in session for Tue/Wed unless cancelled by the TA.
by Kaylee Kang 1G
Tue Nov 20, 2018 10:52 am
Forum: Administrative Questions and Class Announcements
Topic: Test 3 dates?
Replies: 11
Views: 178

Re: Test 3 dates?

Test 3 will be on the week after thanksgiving break!
by Kaylee Kang 1G
Mon Nov 12, 2018 2:19 pm
Forum: General Science Questions
Topic: Chemistry Community Posts
Replies: 8
Views: 230

Re: Chemistry Community Posts

I'm not sure that posts roll over, but double checking with your TA is probably a great idea!
by Kaylee Kang 1G
Mon Nov 12, 2018 2:17 pm
Forum: Properties of Light
Topic: Test 3
Replies: 24
Views: 318

Re: Test 3

Test 3 will probably only have information that we learn after the midterm!
by Kaylee Kang 1G
Mon Nov 05, 2018 11:03 am
Forum: Octet Exceptions
Topic: Radicals
Replies: 16
Views: 156

Re: Radicals

Placing the radical on the atom that will have a formal charge as close to 0 as possible!
by Kaylee Kang 1G
Mon Nov 05, 2018 11:02 am
Forum: Sigma & Pi Bonds
Topic: Midterm1
Replies: 10
Views: 155

Re: Midterm1

I don't think knowledge about sigma and pi bonds will be necessary!
by Kaylee Kang 1G
Mon Oct 29, 2018 10:28 am
Forum: Octet Exceptions
Topic: do we nee to memorize the octet exceptions?
Replies: 6
Views: 225

Re: do we nee to memorize the octet exceptions?

I'm pretty sure as long as you know the exceptions he mentioned in class, you should be fine.
by Kaylee Kang 1G
Mon Oct 29, 2018 10:27 am
Forum: Significant Figures
Topic: Sig Figs in the Middle of a Problem
Replies: 8
Views: 189

Re: Sig Figs in the Middle of a Problem

It's better to not use sig figs until the very end of the problem! That will improve the accuracy of your answer.
by Kaylee Kang 1G
Mon Oct 29, 2018 10:26 am
Forum: Ionic & Covalent Bonds
Topic: Midterm
Replies: 2
Views: 27

Re: Midterm

Francis_Nguyen3D wrote:Hello,

this was posted on the Chem 14A website under announcements : Midterm covers: Fundamentals, Quantum, Bonding to end of 3.11 (6 Ed.) and to end of 2C (7 Ed.)


Ah thank you!!
by Kaylee Kang 1G
Mon Oct 22, 2018 11:10 am
Forum: *Particle in a Box
Topic: Test 2
Replies: 9
Views: 212

Re: Test 2

Test 2 will cover everything up to and including Friday's lecture!
by Kaylee Kang 1G
Mon Oct 22, 2018 11:08 am
Forum: Properties of Light
Topic: TEST 2
Replies: 7
Views: 97

Re: TEST 2

Electron mass and other constants should be given to us on the test!
by Kaylee Kang 1G
Mon Oct 22, 2018 11:08 am
Forum: Properties of Electrons
Topic: Test on Wednesday
Replies: 3
Views: 125

Re: Test on Wednesday

It won't have anything from Monday's lecture!
by Kaylee Kang 1G
Mon Oct 15, 2018 9:57 pm
Forum: Student Social/Study Group
Topic: Note Taking
Replies: 25
Views: 799

Re: Note Taking

I like taking notes on my computer because it's faster for me to copy down some of the things said during lecture and put in diagrams I find online from his presentations!
by Kaylee Kang 1G
Mon Oct 15, 2018 9:53 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Negative v. Positive when calculating energy
Replies: 8
Views: 61

Re: Negative v. Positive when calculating energy

When delta E turns out to be negative, it means that the reaction released energy.
by Kaylee Kang 1G
Mon Oct 15, 2018 9:46 pm
Forum: DeBroglie Equation
Topic: Equivalent Equations
Replies: 2
Views: 33

Re: Equivalent Equations

The information given in the problem should determine which equation you should use!
by Kaylee Kang 1G
Mon Oct 08, 2018 4:21 pm
Forum: Properties of Light
Topic: Chapter 1 Homework
Replies: 6
Views: 112

Re: Chapter 1 Homework

For this week, I believe we can submit homework from either the fundamentals section or chapter one.
by Kaylee Kang 1G
Mon Oct 08, 2018 4:20 pm
Forum: Administrative Questions and Class Announcements
Topic: How do the post hw points work
Replies: 5
Views: 81

Re: How do the post hw points work

I believe as long as you post before the end of the week, you should be fine!
by Kaylee Kang 1G
Mon Oct 08, 2018 4:19 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7047
Views: 772930

Re: Post All Chemistry Jokes Here

Making bad chemistry jokes because all the good ones Argon.
by Kaylee Kang 1G
Tue Oct 02, 2018 6:23 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: rounding [ENDORSED]
Replies: 10
Views: 232

Re: rounding [ENDORSED]

Veronica Soliman 4B wrote:Also, would someone let me know how to post a question? I couldn't figure out how and I've tried reading the FAQs

If you click on one of the forum topics, there should be a button under the title that says "New Topic" where you can create a new post!
by Kaylee Kang 1G
Tue Oct 02, 2018 6:16 pm
Forum: Empirical & Molecular Formulas
Topic: Knowing Chemical Compounds
Replies: 4
Views: 68

Re: Knowing Chemical Compounds

I don't think we will need to know all the nomenclature yet!
by Kaylee Kang 1G
Tue Oct 02, 2018 6:03 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student [ENDORSED]
Replies: 86
Views: 25259

Re: Advice from a Medical Student [ENDORSED]

Ah thank you so much! This makes me feel much more at ease!

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