Search found 68 matches

by Jamie Hwang 2F
Sun Jan 26, 2020 2:22 am
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Partial Pressure vs Pressure
Replies: 7
Views: 31

Re: Partial Pressure vs Pressure

All of the partial pressures added together should result in the pressure.
by Jamie Hwang 2F
Sun Jan 26, 2020 2:21 am
Forum: Administrative Questions and Class Announcements
Topic: Calculator
Replies: 4
Views: 24

Re: Calculator

I think all scientific calculators are fine.
by Jamie Hwang 2F
Sun Jan 26, 2020 2:19 am
Forum: Administrative Questions and Class Announcements
Topic: homework for week 4
Replies: 11
Views: 36

Re: homework for week 4

For HW I just work on the problems from the unit that was discussed before my next discussion.
by Jamie Hwang 2F
Sun Jan 26, 2020 2:17 am
Forum: Administrative Questions and Class Announcements
Topic: Grading of Tests
Replies: 18
Views: 70

Re: Grading of Tests

Partial credit is usually given, I guess it depends on the rubric.
by Jamie Hwang 2F
Sun Jan 26, 2020 2:15 am
Forum: Administrative Questions and Class Announcements
Topic: Best Way To Study?
Replies: 13
Views: 45

Re: Best Way To Study?

Sometimes the tests, including midterm and final, will include stuff that was only mentioned in lecture so I would pay attention to what diagrams or specific examples were in the lecture notes as well.
by Jamie Hwang 2F
Sat Jan 18, 2020 1:47 am
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Difference between K and Q?
Replies: 11
Views: 28

Re: Difference between K and Q?

Yeah, K is at equilibrium while Q is at any stage of the reaction.
by Jamie Hwang 2F
Sat Jan 18, 2020 1:38 am
Forum: Administrative Questions and Class Announcements
Topic: HW 2
Replies: 7
Views: 26

Re: HW 2

I guess it also depends on when you have discussion which HW you do.
by Jamie Hwang 2F
Sat Jan 18, 2020 1:34 am
Forum: Administrative Questions and Class Announcements
Topic: Study Guide Test One
Replies: 17
Views: 85

Re: Study Guide Test One

There is no study guide but I really recommend doing HW problems and going over the notes from lecture. Additionally, you could look at the video modules on his website and do the assessments that come with those cause they have more practice problems.
by Jamie Hwang 2F
Sat Jan 18, 2020 1:28 am
Forum: Ideal Gases
Topic: Topics on Test 1
Replies: 37
Views: 166

Re: Topics on Test 1

Test 1 covers all of chemical equilibrium and Acid and Bases.
by Jamie Hwang 2F
Sat Jan 18, 2020 1:26 am
Forum: Ideal Gases
Topic: final exam pickup
Replies: 8
Views: 59

Re: final exam pickup

Does anyone know if we can come in at any time to pick up our finals or will we be told when to pick them up in lecture?
by Jamie Hwang 2F
Sat Jan 11, 2020 4:07 pm
Forum: Administrative Questions and Class Announcements
Topic: homework question
Replies: 5
Views: 31

Re: homework question

The 5 questions just have to be on the list of problems in the syllabus. It can be any one of them but they should relate to what we are going over in class. Technically you don't need to do all the problems listed in the syllabus but I would recommend doing them all.
by Jamie Hwang 2F
Sat Jan 11, 2020 3:57 pm
Forum: Administrative Questions and Class Announcements
Topic: Sapling Learning
Replies: 9
Views: 47

Re: Sapling Learning

I think I heard somewhere that you have to pay for Sapling, is that true or is it free for anyone to use?
by Jamie Hwang 2F
Sat Jan 11, 2020 3:55 pm
Forum: Administrative Questions and Class Announcements
Topic: 14A FInal
Replies: 6
Views: 84

Re: 14A FInal

Can we pick up our finals any time during second week or will there be a specific day that we can get them?
by Jamie Hwang 2F
Sat Jan 11, 2020 3:53 pm
Forum: Administrative Questions and Class Announcements
Topic: Homework 1
Replies: 18
Views: 114

Re: Homework 1

RichBollini4G wrote:Does anyone know if the homework is graded for completion or for correctness?


It's really up to your TA. My TA grades for completeness because we have the right answers in the Solutions Manual but you should ask your TA if you're not sure.
by Jamie Hwang 2F
Sat Jan 11, 2020 3:50 pm
Forum: Administrative Questions and Class Announcements
Topic: Required number of responses for chem community
Replies: 7
Views: 31

Re: Required number of responses for chem community

We have to have at least 5 post every week before the week is over (I think by Sunday night) and at the end of the quarter we need to have at least 50 posts in all.
by Jamie Hwang 2F
Sun Dec 08, 2019 1:35 am
Forum: Student Social/Study Group
Topic: Naming Compounds (general question)
Replies: 2
Views: 37

Re: Naming Compounds (general question)

The final has to cover everything so I'm sure it will be on there but I don't know how important it will be point-wise. I would just think of every topic as important.
by Jamie Hwang 2F
Sun Dec 08, 2019 1:33 am
Forum: Student Social/Study Group
Topic: Ligand help pls
Replies: 3
Views: 43

Re: Ligand help pls

Lavelle has a list of ligand names on his website which are pretty important to know.
by Jamie Hwang 2F
Sun Dec 08, 2019 1:31 am
Forum: Administrative Questions and Class Announcements
Topic: Final tips
Replies: 19
Views: 149

Re: Final tips

Spend your time carefully. I would spend more of my time on acids and bases than fundamentals and little stuff like that.
by Jamie Hwang 2F
Sun Dec 08, 2019 1:29 am
Forum: Identifying Acidic & Basic Salts
Topic: Knowing strong acids and bases
Replies: 6
Views: 71

Re: Knowing strong acids and bases

005162520 wrote:What are some examples of group one and group 1 and group 2 oxoacids?


Li2O and MgO are oxoacids.
by Jamie Hwang 2F
Sun Dec 08, 2019 1:27 am
Forum: Administrative Questions and Class Announcements
Topic: MARSHMALLOW- FINAL REVIEW SESSION [ENDORSED]
Replies: 111
Views: 4086

Re: MARSHMALLOW- FINAL REVIEW SESSION [ENDORSED]

Paige Lee 1D wrote:For #1c on mini marshmallow, how do you know to choose NH4+ and not NO3- for the net ionic equation? Since they're both weak acids and bases


NO3- is the conjugate base of HNO3 which is a strong acid.
by Jamie Hwang 2F
Sun Dec 08, 2019 1:24 am
Forum: Administrative Questions and Class Announcements
Topic: MARSHMALLOW- FINAL REVIEW SESSION [ENDORSED]
Replies: 111
Views: 4086

Re: MARSHMALLOW- FINAL REVIEW SESSION [ENDORSED]

KBELTRAMI_4I wrote:For number 4 how does the hybridization become sp2 if there are 4 p electrons and 2 s electrons?


Hybridization is determined by electron densities around the central atom. Since S has three electron densities the hybridization is sp2.
by Jamie Hwang 2F
Sun Dec 08, 2019 1:21 am
Forum: Administrative Questions and Class Announcements
Topic: MARSHMALLOW- FINAL REVIEW SESSION [ENDORSED]
Replies: 111
Views: 4086

Re: MARSHMALLOW- FINAL REVIEW SESSION [ENDORSED]

For number 41(c), it asks which pair of atoms on thymine are most tightly bounded and why, between C=C, C=O, and C=N. However, O don’t see a C=N bond in the structure. Is there a mistake? I think there is a mistake on that but it doesn't matter because the answer is C=O because O is the smallest ou...
by Jamie Hwang 2F
Sat Nov 30, 2019 12:26 am
Forum: Administrative Questions and Class Announcements
Topic: Final Exam Content
Replies: 14
Views: 78

Re: Final Exam Content

Will the final have more questions about the content we learned after the midterm or will it be cover the entire quarter evenly?
by Jamie Hwang 2F
Sat Nov 30, 2019 12:15 am
Forum: Shape, Structure, Coordination Number, Ligands
Topic: cis platinum
Replies: 6
Views: 38

Re: cis platinum

Cis platinum is a chemotherapy drug used to stop cell division. I think we have to know its purpose and its structure for the final.
by Jamie Hwang 2F
Sat Nov 30, 2019 12:11 am
Forum: Air Pollution & Acid Rain
Topic: Clean Coal vs Dirty Coal?
Replies: 16
Views: 120

Re: Clean Coal vs Dirty Coal?

Clean coal has a lower sulfur content than dirty coal does.
by Jamie Hwang 2F
Sat Nov 30, 2019 12:09 am
Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
Topic: pH scale
Replies: 4
Views: 25

Re: pH scale

I doubt that anything beyond the 1-14 scale will be tested on, so I wouldn't worry about that.
by Jamie Hwang 2F
Sat Nov 30, 2019 12:05 am
Forum: Naming
Topic: -ido vs -o
Replies: 5
Views: 41

Re: -ido vs -o

Will we get marked down if we use one version over the other?
by Jamie Hwang 2F
Wed Nov 20, 2019 1:22 am
Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Topic: intermolecular repulsions
Replies: 2
Views: 22

intermolecular repulsions

I'm pretty sure this won't be on the test but I just wanted to make sure that we won't be tested on intermolecular repulsions. It was in the textbooks so I'm not 100% sure.
by Jamie Hwang 2F
Wed Nov 20, 2019 1:19 am
Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Topic: 3F13
Replies: 6
Views: 74

Re: 3F13

For this problem, the choice showing dipole-dipole interactions between the molecules has the strongest attraction. In choice II, the partial positive H are nearest to the partial negative Cl, giving these molecules the strongest intermolecular interaction. In addition, you know that different mole...
by Jamie Hwang 2F
Wed Nov 20, 2019 1:16 am
Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Topic: Dipole-Dipole
Replies: 5
Views: 50

Re: Dipole-Dipole

A molecule is polar if it has dipole moments so if the dipole moments cancel out then the molecule is nonpolar.
by Jamie Hwang 2F
Wed Nov 20, 2019 1:11 am
Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Topic: Coulomb formula
Replies: 1
Views: 19

Re: Coulomb formula

I don't think we have to "use" it in the sense that we will bee plugging in values because we never did that in lecture. I think we just need to know it conceptually so the smaller the distance, the greater the potential energy which means it's a stronger force. Stuff like that.
by Jamie Hwang 2F
Wed Nov 20, 2019 1:08 am
Forum: Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Topic: H-bonding vs ion-dipole
Replies: 4
Views: 31

Re: H-bonding vs ion-dipole

I think the bonds from lowest to highest strength is: induced dipole-induced dipole (london dispersion) < dipole-induced dipole < dipole-dipole < ion-dipole < hydrogen bond < covalent < polar. I got this list from a step up session but now I'm confused bc in a different workshop, the list was: induc...
by Jamie Hwang 2F
Thu Nov 14, 2019 1:34 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Test 2
Replies: 15
Views: 151

Re: Test 2

What topics should we expect to show up on test #2? From what I've heard, Test 2 will cover material up until Friday's lecture. Based on this, questions on Test 2 can appear from any material up until VSEPR. This includes, but is not limited to: 1. Review of high school chemistry 2. Quantum 3. Chem...
by Jamie Hwang 2F
Thu Nov 14, 2019 1:30 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Memorization
Replies: 15
Views: 106

Re: Memorization

Did Lavelle cover all of the different structures that we will need to know or will there be more on Friday's lecture? I think he will go over more on Friday just because he didn't go over the specific shapes that occur once lone pairs get involved and some of the HW problems ask for those structur...
by Jamie Hwang 2F
Thu Nov 14, 2019 1:27 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Problem 2E 7
Replies: 5
Views: 64

Re: Problem 2E 7

I think there might be some confusion in the question. Question 2E.7 asks "b) How many different OSCl bond angles are there in this molecule? c) What values are expected for the OSCl and ClSCl bond angles?

So it's not asking about bond lengths.
by Jamie Hwang 2F
Thu Nov 14, 2019 1:16 am
Forum: Determining Molecular Shape (VSEPR)
Topic: 2E #5
Replies: 4
Views: 42

Re: 2E #5

A lone pair of electrons is similar to a bond of shared electrons as they are regions of electron density surrounding the central atom. So instead of being linear, the lone pair of electrons repels against the electrons that are bonded, pushing them away and resulting in an angular shape.
by Jamie Hwang 2F
Thu Nov 14, 2019 1:11 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Will we need to know these VSEPR shapes as well?
Replies: 10
Views: 78

Re: Will we need to know these VSEPR shapes as well?

I'm pretty sure we will have to know those shapes just because we were assigned HW problems where some of the answers involved those shapes. Like other people mentioned, Professor Lavelle will probably go over them on Friday.
by Jamie Hwang 2F
Sat Nov 09, 2019 7:03 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: 11/8/19 Friday Lecture
Replies: 1
Views: 19

11/8/19 Friday Lecture

Will we ever be tested on the shapes of pentane and 2,2-Dimethylpropane that Dr. Lavelle went over in lecture? Specifically, do we have to know their shapes and how the atoms are arranged?
by Jamie Hwang 2F
Sat Nov 09, 2019 6:56 pm
Forum: Administrative Questions and Class Announcements
Topic: slides
Replies: 4
Views: 37

Re: slides

I wish he did post his slides especially since there are no more online modules for the rest of the concepts.
by Jamie Hwang 2F
Sat Nov 09, 2019 6:52 pm
Forum: Administrative Questions and Class Announcements
Topic: how to become a UA
Replies: 1
Views: 46

how to become a UA

This is really far in advance but I was wondering what the process was like to be a UA. I've seen undergraduate assistants in a few of my classes and I think I might be interested in becoming one but I'm not sure how. Is it different depending on the class or is it all under the same program?
by Jamie Hwang 2F
Sat Nov 09, 2019 6:38 pm
Forum: Student Social/Study Group
Topic: Final
Replies: 11
Views: 96

Re: Final

Does anyone know if the final will be cumulative of everything we have done this quarter or is it just stuff we learn after the midterm?
by Jamie Hwang 2F
Sat Nov 09, 2019 6:35 pm
Forum: General Science Questions
Topic: Test 2
Replies: 20
Views: 141

Re: Test 2

I'm kind of confused on what will be on the test. Will the test go over polarizability and dipole moments because that wasn't really on the midterm?
by Jamie Hwang 2F
Sat Nov 09, 2019 6:29 pm
Forum: General Science Questions
Topic: Test 2
Replies: 20
Views: 141

Re: Test 2

Hailey Kim 3B wrote:When is test 2?

Test 2 will be week 8 in your discussion section.
by Jamie Hwang 2F
Thu Oct 31, 2019 11:56 am
Forum: Student Social/Study Group
Topic: Video Module For New Material
Replies: 4
Views: 82

Re: Video Module For New Material

I don't think he has any more video modules. The last one was Heisenberg and we learned that a while ago.
by Jamie Hwang 2F
Thu Oct 31, 2019 11:52 am
Forum: Administrative Questions and Class Announcements
Topic: Midterm review sessions
Replies: 3
Views: 34

Re: Midterm review sessions

It says on Monday and Tuesday (Nov 4 and 5) that there are review sessions for bonding/structures. There are 4 of them just for bonding/structures so does that mean they are all going to be the same or are they going to go over different stuff/different examples?
by Jamie Hwang 2F
Thu Oct 31, 2019 11:49 am
Forum: Administrative Questions and Class Announcements
Topic: Midterm
Replies: 7
Views: 56

Re: Midterm

On the midterm review sessions page on the website, it says that on Monday, November 4, Professor Lavelle is going over past exam questions at 12-12:50 but that's when we have lecture. Does that mean that on Monday, we don't have lecture and it is going to be a review session? Can we go to other ses...
by Jamie Hwang 2F
Thu Oct 31, 2019 11:45 am
Forum: Electronegativity
Topic: Electronegativity vs Electron Affinity of Nitrogen
Replies: 3
Views: 17

Re: Electronegativity vs Electron Affinity of Nitrogen

Is electronegativity and electron affinity the same thing?
by Jamie Hwang 2F
Thu Oct 31, 2019 11:37 am
Forum: Ionic & Covalent Bonds
Topic: Midterm Review Session
Replies: 2
Views: 23

Re: Midterm Review Session

https://lavelle.chem.ucla.edu/wp-content/supporting-files/Chem14A/Midterm_Review_Sessions_14A.pdf

This is the link to the page with all the review sessions on the website.
by Jamie Hwang 2F
Mon Oct 21, 2019 5:12 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Exceptions to Orbital Rules
Replies: 8
Views: 63

Re: Exceptions to Orbital Rules

quresh3E wrote:What does that mean when he said they were half shell and full shell?


Half shell means when all the orbitals in the subshell have one electron. Full shell means when all the orbitals in the subshell have two electrons. So 3d^5 would be half shell and 3d^10 would be full shell.
by Jamie Hwang 2F
Mon Oct 21, 2019 5:09 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Are electrons always removed from the 4s orbital before the 3d orbital?
Replies: 6
Views: 45

Re: Are electrons always removed from the 4s orbital before the 3d orbital?

Is it because 4s is in a higher shell than 3d? Since 4s is in the shell further away from the nucleus than 3d, it would be removed first?
by Jamie Hwang 2F
Mon Oct 21, 2019 5:05 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: example in class
Replies: 6
Views: 45

Re: example in class

So if ml = 0 then the electron would be in the 2py state? And if ml = 1 then the electron would be in the 2pz state?
by Jamie Hwang 2F
Mon Oct 21, 2019 5:01 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: exceptions
Replies: 2
Views: 16

Re: exceptions

One of the exceptions deals with the d subshell. For example, if you followed the pattern, Chromium should look like [Ar]3d^4 4s^2, but Chromium is actually written as [Ar]3d^5 4s^1 based on experimental results. This is because when you are filling up the subshell for d, 4 orbitals have one electro...
by Jamie Hwang 2F
Mon Oct 21, 2019 4:50 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: quantum numbers
Replies: 3
Views: 24

Re: quantum numbers

Your values for l are correct but you don't have all the numbers for ml. ml = l, l-1, ..., -l. So basically for n=3, the values for ml would be -2, -1, 0, 1, and 2. You have to include the positive and negatives values for every number you stated for l.
by Jamie Hwang 2F
Fri Oct 18, 2019 12:22 am
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Spin State
Replies: 17
Views: 78

Re: Spin State

If we have a full shell, what would the quantum number be? Do they cancel each other and it is zero (that doesn't really make sense) or is it just the last spin state (+ or - 1/2)?
by Jamie Hwang 2F
Fri Oct 18, 2019 12:15 am
Forum: Photoelectric Effect
Topic: Speed of Light
Replies: 29
Views: 154

Re: Speed of Light

I always used 3.0*10^8 in high school but it's probably better to use the values from the constants and equations paper that is on Professor Lavelle's website.
by Jamie Hwang 2F
Thu Oct 17, 2019 11:59 pm
Forum: Photoelectric Effect
Topic: Work function units
Replies: 4
Views: 280

Re: Work function units

1 J = kg*(m/s)^2. It is really helpful to convert a joule to its base units so that when you are doing calculations, you can easily cross out units and see what your final answer should be.
by Jamie Hwang 2F
Tue Oct 15, 2019 6:30 pm
Forum: Photoelectric Effect
Topic: HW 1B.5
Replies: 8
Views: 76

Re: HW 1B.5

In the solutions manual, the answer for this question has 5 sig figs and I was confused on how they got 5 sig figs (the given value in the question has 6 sig figs, and the constants used in this equation (like Planck's, speed of light, conversion from ev to J) have either 3 or 4. I don't know if we ...
by Jamie Hwang 2F
Tue Oct 15, 2019 5:11 pm
Forum: Quantum Numbers and The H-Atom
Topic: question on 1A.11
Replies: 1
Views: 38

question on 1A.11

In the solutions manual, the answer to 1A.11 mentions Paschen and Brackett series and I was just wondering if that was something important that we need to know because it wasn't really mentioned in the textbook.
by Jamie Hwang 2F
Thu Oct 10, 2019 12:29 am
Forum: Empirical & Molecular Formulas
Topic: Polyatomic Ions/Naming Compounds
Replies: 6
Views: 131

Re: Polyatomic Ions/Naming Compounds

From what I've heard, from my TA and Step-Up, we don't need to know how to name the more difficult compounds but we should know common/simple ones like salt and water.
by Jamie Hwang 2F
Thu Oct 10, 2019 12:22 am
Forum: Administrative Questions and Class Announcements
Topic: Week 2 Homework Problems [ENDORSED]
Replies: 67
Views: 1640

Re: Week 2 Homework Problems [ENDORSED]

I think Professor Lavelle mentioned that Quantum Mechanics will be covered in the next couple of weeks. At least I hope so because I've only been working on Fundamentals this week.
by Jamie Hwang 2F
Thu Oct 10, 2019 12:19 am
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Test 1 [ENDORSED]
Replies: 107
Views: 2786

Re: Test 1 [ENDORSED]

Are we really only allowed to use pen on the test? What happens if we make a mistake on the paper, can we get scratch paper or extra pieces of paper?
by Jamie Hwang 2F
Thu Oct 10, 2019 12:14 am
Forum: Limiting Reactant Calculations
Topic: Test 1
Replies: 11
Views: 160

Re: Test 1

When I went to Drop-In, the UA said that you should study what Professor Lavelle discusses in class and the modules rather than reading the textbook. The UA said you should only be using the textbook to do the HW and not to actually learn the concepts. I was reading the textbook to study and I notic...
by Jamie Hwang 2F
Thu Oct 10, 2019 12:01 am
Forum: Limiting Reactant Calculations
Topic: Net Ionic Equation
Replies: 6
Views: 88

Re: Net Ionic Equation

Will we have to know net ionic equations for the test? I heard that we only need to know the topics that Professor Lavelle goes over in lecture but a net ionic equation was on a HW problem M9 so I was just wondering.
by Jamie Hwang 2F
Tue Oct 01, 2019 4:10 pm
Forum: SI Units, Unit Conversions
Topic: Textbook
Replies: 7
Views: 76

Re: Textbook

When I'm working on HW outside I usually take out the section that I need from my loose leaf textbook and just leave the rest. It is really heavy especially if you have other stuff to carry so it's nice to pick and choose what you need. It might be a little messy though but if you're careful I think...
by Jamie Hwang 2F
Tue Oct 01, 2019 4:06 pm
Forum: SI Units, Unit Conversions
Topic: Memorizing Metric Conversions
Replies: 8
Views: 145

Re: Memorizing Metric Conversions

That mnemonic is actually really helpful and I didn't realize that was a thing until just now. I would always just try to memorize everything in high school.
by Jamie Hwang 2F
Tue Oct 01, 2019 4:03 pm
Forum: SI Units, Unit Conversions
Topic: Calculator Question
Replies: 13
Views: 166

Re: Calculator Question

I'm just using my old Casio fx-300MS that I used when I took AP Chem my sophomore year. I guess it's just based on personal preference and I don't think that they are going to be really picky about what type of calculator you use, it just can't be graphing.
by Jamie Hwang 2F
Tue Oct 01, 2019 3:59 pm
Forum: SI Units, Unit Conversions
Topic: Difference between Chem Community HW and Textbook HW
Replies: 5
Views: 65

Re: Difference between Chem Community HW and Textbook HW

I'm pretty sure that the Chemistry Community HW has to be done by the Sunday of that week but I don't want to risk it so I'm just trying to get them all done by Friday.
by Jamie Hwang 2F
Tue Oct 01, 2019 3:56 pm
Forum: SI Units, Unit Conversions
Topic: SI units for exam
Replies: 6
Views: 56

Re: SI units for exam

Professor Lavelle has a link to this page on his website that is all about sig figs and how to use them and I found that really helpful rather than having to look online and trying to remember everything.

Go to advanced search