Search found 128 matches
- Fri Mar 13, 2020 12:03 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Earthquake FINAL REVIEW SESSION
- Replies: 11
- Views: 1056
Re: Earthquake FINAL REVIEW SESSION
I invited the UAs to attend so it is possible that at least 1 of them will show up and go over the worksheets. I also feel like the UAs will still post the answers but if not and we work through the worksheets we will be sure to share the solutions.
- Fri Mar 13, 2020 4:59 am
- Forum: Administrative Questions and Class Announcements
- Topic: Earthquake FINAL REVIEW SESSION
- Replies: 11
- Views: 1056
Re: Earthquake FINAL REVIEW SESSION
Review happening today in delta terrace house 6 lounge 6-9pm!!
- Thu Mar 12, 2020 6:38 am
- Forum: Administrative Questions and Class Announcements
- Topic: Earthquake FINAL REVIEW SESSION
- Replies: 11
- Views: 1056
Re: Earthquake FINAL REVIEW SESSION
Of course! And to answer the previous question about food: I personally will not be bringing any or eating during the session but if anyone wants to than that’s fine with me!
- Wed Mar 11, 2020 1:49 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Earthquake FINAL REVIEW SESSION
- Replies: 11
- Views: 1056
Re: Earthquake FINAL REVIEW SESSION
Please also comment if you think you will attend! Thanks!
- Wed Mar 11, 2020 12:28 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Earthquake FINAL REVIEW SESSION
- Replies: 11
- Views: 1056
Earthquake FINAL REVIEW SESSION
“Earthquake” - FINAL REVIEW SESSION Search “Earthquake” to find this post. Hello, I am organizing a review session on Friday March 13 from 6:00-9:00 pm in the Sunset Village Delta Terrace House 6 Lounge. We will meet in the lounge and go over problems on the whiteboard from the ENDGAME worksheet, a...
- Wed Mar 11, 2020 12:25 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Excellence in Chemistry Award!
- Replies: 27
- Views: 9819
Re: Excellence in Chemistry Award!
CONGRATS!
- Wed Mar 11, 2020 7:23 am
- Forum: Administrative Questions and Class Announcements
- Topic: UA Help
- Replies: 1
- Views: 244
UA Help
Hello UAs. Would it be possible to still send out the worksheet for the since canceled Thursday review? And the answers or worked out solutions too? Also, for the ENDGAME review session can we still get answers or worked out solutions? I know the final will be take home and “straightforward” but I r...
- Tue Mar 10, 2020 4:35 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Coronavirus Concern
- Replies: 6
- Views: 632
Re: Coronavirus Concern
We will probably get updates soon but is the in person final still going to take place? What about review sessions and class tomorrow? This class doesn’t have ccle so if there is a video of lecture where will it get posted?
- Tue Mar 10, 2020 12:28 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: different units
- Replies: 4
- Views: 363
Re: different units
k=rate/[A]
rate=M/s
[A]=M
rate=M/s
[A]=M
- Tue Mar 10, 2020 12:27 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: kinetically stable?
- Replies: 10
- Views: 689
Re: kinetically stable?
High Ea means that it takes a great deal of energy to start rxn so it is stable at standard conditions
- Tue Mar 10, 2020 12:25 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: derivations
- Replies: 9
- Views: 573
Re: derivations
I don't think you need to know how to derive any. He has said "know how to derive" on every outline but has never asked for just a derivation on a test.
- Tue Mar 10, 2020 12:24 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Problems
- Replies: 6
- Views: 466
Re: Problems
Probably. He may ask if reaction is expected to be slow or fast and if it is endothermic or exothermic, etc.
- Tue Mar 10, 2020 12:23 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Checking Answers
- Replies: 3
- Views: 352
Re: Checking Answers
You can also check units
- Tue Mar 10, 2020 12:22 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: thermo or kinetics?
- Replies: 9
- Views: 715
Re: thermo or kinetics?
they don't control a reaction; instead, they are 2 different ways to think about what a reaction produces, uses, and how it proceeds.
- Mon Mar 02, 2020 8:14 pm
- Forum: General Rate Laws
- Topic: Deriving the laws
- Replies: 5
- Views: 429
Re: Deriving the laws
lavelle said derivation just for "increased understanding"
- Mon Mar 02, 2020 8:12 pm
- Forum: Van't Hoff Equation
- Topic: Derive [ENDORSED]
- Replies: 4
- Views: 548
Re: Derive [ENDORSED]
In theory we should know how to derive it but no test/exam question has ever had us derive an equ before.
- Mon Mar 02, 2020 8:10 pm
- Forum: Van't Hoff Equation
- Topic: what does it do?
- Replies: 13
- Views: 936
Re: what does it do?
The equ can also be used/written in several forms
- Mon Mar 02, 2020 8:08 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Electrode
- Replies: 2
- Views: 207
Electrode
In a galvanic cell when the anode deteriorates and the cathode gains metal, where does the metal being added to the cathode come from? Ex: if the anode is silver and the cathode is gold, does silver form on the outside of the gold cathode or does more gold form on the outside of the gold cathode?
- Mon Mar 02, 2020 8:05 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Galvanic cells
- Replies: 6
- Views: 465
Re: Galvanic cells
If you think about it, for a battery to work, the chemical rxn needs to be spontaneous.
- Mon Feb 24, 2020 4:18 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Conditions of Eo
- Replies: 3
- Views: 287
Re: Conditions of Eo
Cause different temp or pressure can change the reaction which would change electricity
- Mon Feb 24, 2020 4:18 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: n
- Replies: 13
- Views: 713
Re: n
Moles is always in moles but R is in different units depending on what units are given
- Mon Feb 24, 2020 4:16 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Difference
- Replies: 5
- Views: 318
Re: Difference
Gibbs also involves K which was not seen in the main section of thermo
- Mon Feb 24, 2020 4:16 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Vant Hoff Equation
- Replies: 9
- Views: 694
Re: Vant Hoff Equation
This equ can also be used a variety of ways. There are multiple variations of the equ that all lead to the right answer.
- Mon Feb 24, 2020 4:14 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: test 2 material clarification
- Replies: 10
- Views: 625
Re: test 2 material clarification
Gibbs with K will be on the test but not regular Gibbs stuff
- Mon Feb 17, 2020 2:21 pm
- Forum: Balancing Redox Reactions
- Topic: Helpful Videos
- Replies: 2
- Views: 275
Re: Helpful Videos
Organic chem tutor has good videos too!
- Mon Feb 17, 2020 2:21 pm
- Forum: Balancing Redox Reactions
- Topic: Why do we split equations?
- Replies: 12
- Views: 745
Re: Why do we split equations?
Its to show more detail and so you see where the e- come from
- Mon Feb 17, 2020 2:19 pm
- Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
- Topic: Wmax
- Replies: 4
- Views: 262
Re: Wmax
Its not electrochem. Its just a wrap up of thermo and we began a new unit.
- Mon Feb 17, 2020 2:18 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Buffer Solution
- Replies: 4
- Views: 522
Re: Buffer Solution
Buffers allow for small changes. If only strong acids or bases were used, then small changes wouldn't really be possible.
- Mon Feb 17, 2020 2:16 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Cell Potential
- Replies: 4
- Views: 395
Re: Cell Potential
And the potential will depend on the reaction, just as kinetic potential depends on size and distance.
- Mon Feb 17, 2020 2:14 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Electrochemical cell
- Replies: 4
- Views: 282
Re: Electrochemical cell
There is not really a shift but more of a connection that allows e- to flow
- Sun Feb 16, 2020 9:01 pm
- Forum: Balancing Redox Reactions
- Topic: Electrochemisty
- Replies: 10
- Views: 618
Re: Electrochemisty
All about electron transfer and a major application is batteries
- Sun Feb 16, 2020 9:00 pm
- Forum: Balancing Redox Reactions
- Topic: Oxygen
- Replies: 9
- Views: 414
Re: Oxygen
The same elements usually have the same oxidation numbers. The periodic table also has trends.
- Sun Feb 16, 2020 8:59 pm
- Forum: Balancing Redox Reactions
- Topic: Seperating Redoz RXNS
- Replies: 7
- Views: 352
Re: Seperating Redoz RXNS
2 half reactions added together equal the main reaction. It is just a way to show in detail where the e- go
- Sun Feb 16, 2020 8:58 pm
- Forum: Balancing Redox Reactions
- Topic: In Class Example
- Replies: 4
- Views: 282
Re: In Class Example
Basically the single reaction can be written as 2 half reactions
- Sun Feb 16, 2020 8:58 pm
- Forum: Balancing Redox Reactions
- Topic: Memorizing charges
- Replies: 11
- Views: 674
Re: Memorizing charges
just know the examples used in class and you should be fine
- Sun Feb 16, 2020 8:57 pm
- Forum: Balancing Redox Reactions
- Topic: Redox Reactions
- Replies: 12
- Views: 532
Re: Redox Reactions
Oxidation is e- loss, reduction is e- gain (OIL RIG)
- Mon Feb 03, 2020 8:32 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Isolated systems
- Replies: 4
- Views: 327
Re: Isolated systems
Closed is like a test tube with a cap on it, so solution can be heated or lose heat.
Isolated is behind thick walls like a bomb calorimeter or thermos so no outside interaction can occur.
Isolated is behind thick walls like a bomb calorimeter or thermos so no outside interaction can occur.
- Mon Feb 03, 2020 8:30 pm
- Forum: Calculating Work of Expansion
- Topic: temperature
- Replies: 7
- Views: 354
Re: temperature
Although K is really 273.15 you could also just use 273 so it is easier to remember.
- Mon Feb 03, 2020 8:29 pm
- Forum: Calculating Work of Expansion
- Topic: Derivative
- Replies: 3
- Views: 212
Re: Derivative
I think you should just make sure you know what he covers in class.
- Mon Feb 03, 2020 8:28 pm
- Forum: Calculating Work of Expansion
- Topic: 4B.9
- Replies: 3
- Views: 131
Re: 4B.9
...also know that diathermic means heat can transfer!
- Mon Feb 03, 2020 8:26 pm
- Forum: Calculating Work of Expansion
- Topic: Calculus on The Midterm
- Replies: 8
- Views: 427
Re: Calculus on The Midterm
I do believe calc is a pre/co req but I don't think we will need to do a lot of it. Especially on the midterm where other content will be covered like acids and bases and equilibrium
- Mon Feb 03, 2020 8:24 pm
- Forum: Calculating Work of Expansion
- Topic: Intergral
- Replies: 6
- Views: 335
Re: Intergral
I haven't done all the HW problems but I don't think he would point us to the antiderivative course page if we didn't need to do some kind of calc.
- Mon Jan 27, 2020 10:14 pm
- Forum: Phase Changes & Related Calculations
- Topic: ∆H
- Replies: 17
- Views: 617
Re: ∆H
You can also see if heat is used as a product or reactant for determining exo/endo thermic
- Mon Jan 27, 2020 10:13 pm
- Forum: Phase Changes & Related Calculations
- Topic: Steam Burns
- Replies: 9
- Views: 627
Re: Steam Burns
The second flat line is longer than the first meaning more energy is involved for making steam from boiling water
- Mon Jan 27, 2020 10:12 pm
- Forum: Phase Changes & Related Calculations
- Topic: Steam?
- Replies: 8
- Views: 293
Re: Steam?
It takes longer to break the final bonds so steam burns more
- Mon Jan 27, 2020 10:10 pm
- Forum: Phase Changes & Related Calculations
- Topic: Why does steam cause burns?
- Replies: 29
- Views: 1114
Re: Why does steam cause burns?
It takes longer for the bonds to break.
- Mon Jan 27, 2020 10:09 pm
- Forum: Phase Changes & Related Calculations
- Topic: sig figs
- Replies: 6
- Views: 199
Re: sig figs
The only deviation for standard sig fig rules is pH and logs.
- Mon Jan 27, 2020 10:08 pm
- Forum: Phase Changes & Related Calculations
- Topic: Chem 14A Final Pickup
- Replies: 8
- Views: 340
Re: Chem 14A Final Pickup
I got mine at the front desk and you can go anytime they are there.
- Mon Jan 20, 2020 8:06 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: pKa and pKb
- Replies: 17
- Views: 840
Re: pKa and pKb
always go back to pH= -log[H30+] and pOH= -log[OH-]. From this you can get the other relationships
- Mon Jan 20, 2020 8:04 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: X was ignored
- Replies: 27
- Views: 992
Re: X was ignored
x is very small so it is basically zero for the denominator (0.0000000000000000001), but we leave x alone in the numerator cause having 0 up top would make the whole thing=0.
- Mon Jan 20, 2020 8:02 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: lewis structure
- Replies: 11
- Views: 407
Re: lewis structure
No chem 14A material will not be on our tests. It can be helpful for deeper understanding but I feel like it is not necessary.
- Mon Jan 20, 2020 8:01 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: H20 in the ICE table
- Replies: 26
- Views: 1399
Re: H20 in the ICE table
Leave H2O out only if it is a liquid. It must be included if it is a gas.
- Mon Jan 20, 2020 7:59 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: ice table
- Replies: 5
- Views: 225
Re: ice table
ICE tables are all about equilibrium so there is no need to include solids or liquids.
- Mon Jan 20, 2020 7:58 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Identifying endothermic vs exothermic
- Replies: 7
- Views: 257
Re: Identifying endothermic vs exothermic
They will need to give you a delta H, so it it is positive, reaction is endothermic, but if it is negative, it is exothermic.
- Mon Jan 20, 2020 7:56 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: q vs k
- Replies: 62
- Views: 2373
Re: q vs k
Yes if a reaction reaches equilibrium, it will have Q=K
- Mon Jan 13, 2020 11:37 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Hw for next week
- Replies: 19
- Views: 714
Re: Hw for next week
Yes, as long as we talk about chem eq which we will.
- Mon Jan 13, 2020 11:36 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: solids and liquids
- Replies: 6
- Views: 182
Re: solids and liquids
you can't have the concentration of a solid object
- Mon Jan 13, 2020 11:35 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: K and Q
- Replies: 6
- Views: 319
Re: K and Q
K is definite eq constant but Q is just the value at some time.
- Mon Jan 13, 2020 11:34 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Units for K
- Replies: 21
- Views: 588
Re: Units for K
K has no units but units you plug in matter, so use mol/L not mL or mol.
- Mon Jan 13, 2020 11:33 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Partial Pressure to Concentration
- Replies: 3
- Views: 344
Re: Partial Pressure to Concentration
P=concentration(RT)
- Mon Jan 13, 2020 11:33 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Autoprotolysis of water endo or exo?
- Replies: 4
- Views: 544
Re: Autoprotolysis of water endo or exo?
The autoionization of water is an endothermic reaction.
- Tue Jan 07, 2020 11:45 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Equilibrium Constant for Solids/Gases
- Replies: 5
- Views: 191
Re: Equilibrium Constant for Solids/Gases
Equilibrium constants are ratios and you cannot just delete the numerator, it needs a place holder.
- Tue Jan 07, 2020 11:44 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: ICE Table Variables
- Replies: 2
- Views: 78
ICE Table Variables
In module 2, Dr. Lavelle did not use the variable x for the change concentration, but did so in module 3. Should we just stick with always using variables for change concentration to be safe? Are there any cases in which we could not use variables?
- Tue Jan 07, 2020 11:42 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Very Large K
- Replies: 12
- Views: 2527
Re: Very Large K
Conversely, a very very small K means the left side of the reaction is favored.
- Tue Jan 07, 2020 11:41 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Units in Bars
- Replies: 4
- Views: 171
Re: Units in Bars
I believe it is safe to say that 1 bar is equal to 1 atm
- Tue Jan 07, 2020 11:40 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Heterogenous vs. Homogenous equations
- Replies: 6
- Views: 263
Re: Heterogenous vs. Homogenous equations
And remember that terms in reactions that are solids or pure liquids are left out of the equilibrium constant.
- Mon Jan 06, 2020 4:31 pm
- Forum: Ideal Gases
- Topic: ICE Table Variables
- Replies: 6
- Views: 269
ICE Table Variables
In online module #2, Dr. Lavelle represents the ICE box change without x terms but just by the concentration. In module 3, he uses x as a variable for the change amount. Should we always use variables from this point on? Are there times we would not be able to use variables?
- Tue Dec 03, 2019 2:27 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Final
- Replies: 2
- Views: 156
Final
How much of the naming coordination compounds table are we expected to know? I understand needing to know that Cl has a -1 charge and that it becomes cholro, but do we need to know how to draw edta and write its chemical formula?
- Mon Dec 02, 2019 6:38 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Final [ENDORSED]
- Replies: 10
- Views: 1307
Re: Final [ENDORSED]
2019 key word: marshmallow
- Mon Dec 02, 2019 6:37 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Final Exam Location
- Replies: 11
- Views: 701
Re: Final Exam Location
The assignments are now available on the class website, the 2pm class is in Moore 100
- Mon Dec 02, 2019 6:35 pm
- Forum: *Stereochemistry
- Topic: What is the difference between cis and trans?
- Replies: 9
- Views: 1694
Re: What is the difference between cis and trans?
Cis is same side, trans is opposite side
- Mon Dec 02, 2019 6:33 pm
- Forum: Calculating the pH of Salt Solutions
- Topic: PH
- Replies: 5
- Views: 385
Re: PH
Also remember that there is pH and pOH
- Mon Dec 02, 2019 6:33 pm
- Forum: Calculating the pH of Salt Solutions
- Topic: Sig Figs for logarithmic funcitons
- Replies: 6
- Views: 422
Re: Sig Figs for logarithmic funcitons
Sig fig rules are standard for any kind of problem
- Mon Dec 02, 2019 6:32 pm
- Forum: Calculating the pH of Salt Solutions
- Topic: pH formula?
- Replies: 69
- Views: 3565
Re: pH formula?
No you do not need to understand how logarithms are derived
- Mon Nov 25, 2019 8:51 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Attach Pictures
- Replies: 3
- Views: 368
Re: Attach Pictures
You can also add things like a url or YouTube video by looking at the buttons right below the subject line when making a post
- Mon Nov 25, 2019 8:50 pm
- Forum: Administrative Questions and Class Announcements
- Topic: posting on chemistry community
- Replies: 11
- Views: 661
Re: posting on chemistry community
Dr. Lavelle said the weekend ends on Sunday 11:59 so that is when things are due
- Mon Nov 25, 2019 8:49 pm
- Forum: Administrative Questions and Class Announcements
- Topic: How to find my posts
- Replies: 163
- Views: 161061
Re: How to find my posts
Online can get complicated so I just keep a piece of paper with a tally.
- Mon Nov 25, 2019 8:47 pm
- Forum: Lewis Acids & Bases
- Topic: Donor and Acceptor
- Replies: 6
- Views: 316
Re: Donor and Acceptor
Since electrons are negative and protons are positive the relationship can become confused but drawing a diagram can help
- Mon Nov 25, 2019 8:46 pm
- Forum: Lewis Acids & Bases
- Topic: SO3
- Replies: 2
- Views: 127
Re: SO3
Dr. Lavelle also highlighted in class that when discussing clean vs dirty coal, clean coal doesn’t emit as much SO3 as dirty coal
- Mon Nov 25, 2019 8:45 pm
- Forum: Lewis Acids & Bases
- Topic: When is an acid considered Bronsted?
- Replies: 9
- Views: 558
Re: When is an acid considered Bronsted?
Bronstead vs Lewis is really the same concept, the difference is the level of detail each gives, with Lewis focusing on the electrons, and Bronstead focusing on the general shift.
- Thu Nov 21, 2019 2:11 pm
- Forum: Naming
- Topic: Cation/Anion
- Replies: 7
- Views: 796
Re: Cation/Anion
Not necessarily but it is helpful to know the common ones.
- Thu Nov 21, 2019 2:11 pm
- Forum: Naming
- Topic: Naming Compounds (general question)
- Replies: 5
- Views: 440
Re: Naming Compounds (general question)
Dr. Lavelle also just sent an email with a naming chart that is helpful
- Thu Nov 21, 2019 2:10 pm
- Forum: Biological Examples
- Topic: Cisplatin
- Replies: 2
- Views: 230
Re: Cisplatin
In simpler terms: 2 Cl on one side can form 2 bonds; 2 Cl on opposite side can only form 1 bond. 1 bond is easier to break than 2, so the cisplatin bond is harder to break.
- Thu Nov 21, 2019 2:07 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Which shape
- Replies: 6
- Views: 415
Re: Which shape
It is helpful to watch a YouTube video explaining the difference as many can be determined without looking at Lewis diagram
- Thu Nov 21, 2019 2:06 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Molecular Shape vs. Geometry
- Replies: 5
- Views: 311
Re: Molecular Shape vs. Geometry
The electron domain shape is needed for bond angles but only the molecular shape is specifically asked for on a test for example.
- Thu Nov 21, 2019 2:04 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: test 2
- Replies: 3
- Views: 265
Re: test 2
My TA said they will begin grading over Thanksgiving so we prop shouldn’t expect a grade back until week 10
- Tue Nov 12, 2019 10:24 am
- Forum: Heisenberg Indeterminacy (Uncertainty) Equation
- Topic: Uncertainty in Speed [ENDORSED]
- Replies: 31
- Views: 16821
Re: Uncertainty in Speed [ENDORSED]
Also, don’t confuse frequency (v) with velocity (v)
- Tue Nov 12, 2019 10:23 am
- Forum: Electronegativity
- Topic: Atom size
- Replies: 22
- Views: 3157
Re: Atom size
However, being electronegative does not make an atom small, it is being small that would impact electronegativity
- Tue Nov 12, 2019 10:22 am
- Forum: Ionic & Covalent Bonds
- Topic: Ionization of Nitrogen vs Oxygen
- Replies: 11
- Views: 1534
Re: Ionization of Nitrogen vs Oxygen
Ionization energy does not follow the trend in this case, but electronegativity does.
- Tue Nov 12, 2019 10:20 am
- Forum: Ionic & Covalent Bonds
- Topic: Solid v. Liquid v. Gas
- Replies: 8
- Views: 409
Re: Solid v. Liquid v. Gas
Also guessing which state an element/compound is usually works if you are unsure.
- Tue Nov 12, 2019 10:19 am
- Forum: Ionic & Covalent Bonds
- Topic: Resonance (all bonds are a hybrid of different bonds)
- Replies: 10
- Views: 349
- Tue Nov 12, 2019 10:18 am
- Forum: Ionic & Covalent Bonds
- Topic: Homework for week 7
- Replies: 5
- Views: 367
Re: Homework for week 7
Although it would be smart to do some of the later problems about Lewis structures since that ties into what we are just beginning to talk about in class regarding shape.
- Mon Nov 04, 2019 3:41 pm
- Forum: General Rate Laws
- Topic: Unique Reaction Rates [ENDORSED]
- Replies: 45
- Views: 162416
Re: Unique Reaction Rates [ENDORSED]
Combustion is also unique in that it will always have some reactants and some products that remain the same. (CO2, H2O)
- Mon Nov 04, 2019 3:40 pm
- Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
- Topic: Rydberg equation [ENDORSED]
- Replies: 73
- Views: 8672
Re: Rydberg equation [ENDORSED]
Equations will be given on any test. Although the traditional Rydberg equation may not be, but Dr. Lavelle’s preferred Rydberg equ is.
- Mon Nov 04, 2019 3:39 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 334096
Re: Final Jitters
Most effective studying is done over many weeks, not pulling an all night session
- Mon Nov 04, 2019 3:38 pm
- Forum: Administrative Questions and Class Announcements
- Topic: 10/28 Updates due to Fire [ENDORSED]
- Replies: 14
- Views: 1790
Re: 10/28 Updates due to Fire [ENDORSED]
Dr. Lavelle is also covering midterm material in class today
- Mon Nov 04, 2019 3:37 pm
- Forum: Dipole Moments
- Topic: drawing dipole moments
- Replies: 5
- Views: 621
Re: drawing dipole moments
There is also the delta positive and delta negative symbols
- Mon Nov 04, 2019 3:36 pm
- Forum: Dipole Moments
- Topic: Magnetic Dipole Moment and Electric Dipole Moment
- Replies: 2
- Views: 199
Re: Magnetic Dipole Moment and Electric Dipole Moment
Don’t forget that not all of outline 3 material is on the midterm.
- Wed Oct 30, 2019 8:20 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Tutoring? [ENDORSED]
- Replies: 121
- Views: 240392
Re: Tutoring? [ENDORSED]
You can go to the AAP office and ask if any are available
- Wed Oct 30, 2019 8:19 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Accessing the E-textbook [ENDORSED]
- Replies: 125
- Views: 29354
Re: Accessing the E-textbook [ENDORSED]
The textbook store is also offering exchanges of the Sapling online pass as there are some issues with accessing the course but the last day to do so is today.