Search found 30 matches
- Thu Jun 14, 2018 1:08 pm
- Forum: Dipole Moments
- Topic: 4.25d - Lone Pairs
- Replies: 2
- Views: 481
Re: 4.25d - Lone Pairs
yes lone pairs affect the pulling
- Thu Jun 14, 2018 1:07 pm
- Forum: Dipole Moments
- Topic: Why can't SO2 form Hydrogen bonds?
- Replies: 3
- Views: 2558
Re: Why can't SO2 form Hydrogen bonds?
is it because there isn't a partially negative charge?
- Thu Jun 14, 2018 1:06 pm
- Forum: Dipole Moments
- Topic: Homework Question 4.25
- Replies: 2
- Views: 501
Re: Homework Question 4.25
if dipole moments cancel out then the overall molecule will have zero dipole moment
- Thu Jun 14, 2018 1:05 pm
- Forum: Dipole Moments
- Topic: london forces
- Replies: 7
- Views: 864
Re: london forces
yes all substances will have london forces.
- Thu Jun 14, 2018 1:04 pm
- Forum: Formal Charge and Oxidation Numbers
- Topic: Formal Charge Exponent
- Replies: 5
- Views: 1044
Re: Formal Charge Exponent
Not quite sure about this either..
- Thu Jun 14, 2018 1:04 pm
- Forum: Formal Charge and Oxidation Numbers
- Topic: 3.53
- Replies: 4
- Views: 834
Re: 3.53
Yes the closest to stable would mean zero formal charge
- Thu Jun 14, 2018 1:03 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: 2.37
- Replies: 3
- Views: 547
Re: 2.37
also was confused about this question..
- Thu Jun 14, 2018 1:02 pm
- Forum: Trends in The Periodic Table
- Topic: 2.81
- Replies: 3
- Views: 502
Re: 2.81
"Oxygen will want to gain or receive electrons badly making the ionization lower" im lost on this concept, can you further explain?
- Thu Jun 14, 2018 1:01 pm
- Forum: Photoelectric Effect
- Topic: 1.34
- Replies: 2
- Views: 684
Re: 1.34
I did the steps but I still got something different...
- Thu Jun 14, 2018 12:59 pm
- Forum: Limiting Reactant Calculations
- Topic: Homework M12
- Replies: 3
- Views: 576
Re: Homework M12
^^ agreed
- Thu Jun 14, 2018 12:59 pm
- Forum: Heisenberg Indeterminacy (Uncertainty) Equation
- Topic: HW #1.43
- Replies: 8
- Views: 1317
Re: HW #1.43
^^ I had the same question.. still lost on that
- Thu Jun 14, 2018 12:58 pm
- Forum: DeBroglie Equation
- Topic: Test #2: Q5 [ENDORSED]
- Replies: 9
- Views: 1324
Re: Test #2: Q5 [ENDORSED]
this makes so much more sense now... thanks!
- Thu Jun 14, 2018 12:57 pm
- Forum: Empirical & Molecular Formulas
- Topic: test 1, question 7
- Replies: 2
- Views: 579
Re: test 1, question 7
I had trouble with this question too... great explanation!^^
- Thu Jun 14, 2018 12:26 pm
- Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
- Topic: pH formula
- Replies: 5
- Views: 745
Re: pH formula
I don't really know whether it'll be given on the final, but I don't think hurts to memorize pH = -log[H3O+].
- Sun May 20, 2018 11:59 pm
- Forum: Bond Lengths & Energies
- Topic: Van der Waals [ENDORSED]
- Replies: 4
- Views: 624
Re: Van der Waals [ENDORSED]
They are the same; you should be able to use all names.
- Sun May 20, 2018 11:59 pm
- Forum: Formal Charge and Oxidation Numbers
- Topic: oxidation
- Replies: 7
- Views: 859
Re: oxidation
Sorry, I'm kind of confused; what exactly is an oxidation state?
- Sun May 20, 2018 11:55 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3676302
Re: Post All Chemistry Jokes Here
What was that joke about sodium again?
Na, nevermind I forgot it.
Na, nevermind I forgot it.
- Sun May 13, 2018 11:53 pm
- Forum: Lewis Structures
- Topic: Octet Rule [ENDORSED]
- Replies: 3
- Views: 638
Octet Rule [ENDORSED]
In what scenario is it okay to break the octet rule?
- Sun May 13, 2018 11:52 pm
- Forum: Lewis Structures
- Topic: Formal Energies [ENDORSED]
- Replies: 2
- Views: 450
Formal Energies [ENDORSED]
What are formal energies used to determine?
- Sun May 13, 2018 11:50 pm
- Forum: General Science Questions
- Topic: Conceptual Questions
- Replies: 4
- Views: 680
Conceptual Questions
What is the best way to study conceptual questions?
- Mon May 07, 2018 12:04 am
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: What does ground state mean? [ENDORSED]
- Replies: 4
- Views: 935
Re: What does ground state mean? [ENDORSED]
It means the lowest energy. Atoms and molecules, if left alone, are in their ground state (lowest energy). Therefore, as I discussed several times in class, we can figure out the electron configuration without needing to memorize them. By extension, how would the electron configuration be for excit...
- Sun May 06, 2018 11:58 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: 3d before 4s
- Replies: 9
- Views: 1123
Re: 3d before 4s
Alma Flores 1D wrote:The 4s orbital has higher energy then the 3d orbital. After the 4s is completely filled, 3d is lower in energy than 4s.
Although I know this to be true, is there an explanation as to why 3d is lower in energy than 4s only after the 4s is completely filled?
- Sun May 06, 2018 11:55 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: electron config in the "d" sublevel
- Replies: 5
- Views: 837
Re: electron config in the "d" sublevel
If we're finding the electron configuration for, say, an ion with the same amount of electrons, would it also follow the same rule?
- Mon Apr 23, 2018 2:13 am
- Forum: Ideal Gases
- Topic: Reading the textbook
- Replies: 262
- Views: 152401
Re: Reading the textbook
Has anyone found any other resources outside of class that is useful for preparing for the test? Like any practice exam/test problems? I think using the course reader and taking advantage of the Peer Learning Sessions are really helpful, especially since my friends who had the class before really r...
- Sun Apr 15, 2018 11:52 pm
- Forum: Balancing Chemical Reactions
- Topic: Balancing Equation
- Replies: 7
- Views: 1371
Re: Balancing Equation
Is there a trick in doing them faster?
- Sun Apr 15, 2018 11:51 pm
- Forum: Limiting Reactant Calculations
- Topic: Two limiting reactants?
- Replies: 10
- Views: 2498
Re: Two limiting reactants?
No because it was either be completely used up or some left over and two reactants cannot limit one another
- Sun Apr 15, 2018 11:49 pm
- Forum: Limiting Reactant Calculations
- Topic: Limiting Reactants
- Replies: 5
- Views: 584
Re: Limiting Reactants
Also confused on this
- Sun Apr 15, 2018 11:15 pm
- Forum: SI Units, Unit Conversions
- Topic: Avogadro #
- Replies: 9
- Views: 1200
Avogadro #
What are the uses of Avogadro #? What's an example we would use it in?
- Sun Apr 15, 2018 11:13 pm
- Forum: Properties of Light
- Topic: Series of light
- Replies: 4
- Views: 479
Re: Series of light
Could you go in more depth? Still not sure too
- Sun Apr 15, 2018 9:32 pm
- Forum: Balancing Chemical Reactions
- Topic: Trick to balance?
- Replies: 5
- Views: 812
Trick to balance?
Is there a more efficient way to balance out equations? I know the fundamentals of balancing it's just tedious sometimes. What's a trick in doing it faster?