Search found 49 matches
- Sat Dec 07, 2019 9:46 pm
- Forum: Polyprotic Acids & Bases
- Topic: How can you tell
- Replies: 18
- Views: 961
Re: How can you tell
If an atom can donate more than one H+
- Sat Dec 07, 2019 9:44 pm
- Forum: Polarisability of Anions, The Polarizing Power of Cations
- Topic: affect of size
- Replies: 2
- Views: 332
Re: affect of size
The larger the anion, the more polarizable. The smaller the cation the more polarizing effect they have on an anion
- Sat Dec 07, 2019 9:42 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: is h-bonding different than dipole-dipole
- Replies: 3
- Views: 408
- Sat Dec 07, 2019 9:42 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: Strength
- Replies: 6
- Views: 464
Re: Strength
Are LDF present in all molecules?
- Sat Dec 07, 2019 9:40 pm
- Forum: Administrative Questions and Class Announcements
- Topic: How to find my posts
- Replies: 163
- Views: 163616
- Sat Dec 07, 2019 9:38 pm
- Forum: Einstein Equation
- Topic: Einstein Equation
- Replies: 10
- Views: 1846
Re: Einstein Equation
Plancks constant and frequency
- Sat Dec 07, 2019 9:38 pm
- Forum: Einstein Equation
- Topic: eV
- Replies: 4
- Views: 325
Re: eV
Mega, 10^6
- Sat Dec 07, 2019 9:33 pm
- Forum: Einstein Equation
- Topic: Unit Question
- Replies: 3
- Views: 366
Re: Unit Question
1 million hertz
- Sat Dec 07, 2019 9:32 pm
- Forum: Trends in The Periodic Table
- Topic: Atomic Radii
- Replies: 11
- Views: 695
Re: Atomic Radii
Good for determining bond length/strength
- Sat Dec 07, 2019 9:31 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: transition of orbitals
- Replies: 2
- Views: 311
Re: transition of orbitals
but if the energy level isn't increased, the addition of electrons reduces atomic radius
- Sat Dec 07, 2019 9:26 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: Equations we need for midterm
- Replies: 7
- Views: 626
Re: Equations we need for midterm
Divide the value in kj.mol by Planck's constant and then multiply by 1000 to convert from kj to j
- Sat Dec 07, 2019 9:25 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: orbitals vs. subshells
- Replies: 4
- Views: 542
Re: orbitals vs. subshells
Orbitals translate to one electron so therefore for s there are 2, p there are 6 and so on
- Sat Dec 07, 2019 9:24 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: Orbital angular momentum
- Replies: 4
- Views: 388
Re: Orbital angular momentum
I don't think so
- Sat Dec 07, 2019 9:24 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: Calculating quantum numbers
- Replies: 4
- Views: 444
Re: Calculating quantum numbers
Writing out the electron configuration will give all 4 quantum numbers in some respect
- Sat Dec 07, 2019 9:23 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: Quantum Numbers
- Replies: 6
- Views: 511
Re: Quantum Numbers
By writing out the electron configuration and seeing whether the arrow is pointed up or down for any specific electron
- Sat Dec 07, 2019 9:22 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: n, l ,ml, ms
- Replies: 13
- Views: 1482
Re: n, l ,ml, ms
It is either +1/2 or -1/2 depending on the spin of the valence electron in question
- Sat Dec 07, 2019 9:20 pm
- Forum: DeBroglie Equation
- Topic: converting from nm to m
- Replies: 3
- Views: 384
Re: converting from nm to m
I would write scientific notation for the problem solving and the answer in its units
- Sat Dec 07, 2019 9:19 pm
- Forum: Lewis Acids & Bases
- Topic: Lewis acid
- Replies: 3
- Views: 373
Re: Lewis acid
Its got that full octet baby
- Sat Dec 07, 2019 9:18 pm
- Forum: Lewis Acids & Bases
- Topic: Water
- Replies: 63
- Views: 2766
Re: Water
it can act as both
- Sat Dec 07, 2019 9:17 pm
- Forum: Lewis Acids & Bases
- Topic: neutralization
- Replies: 6
- Views: 557
Re: neutralization
Between a strong acid and a strong base
- Sat Dec 07, 2019 9:15 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3458346
Re: Post All Chemistry Jokes Here
What do chemists call a benzene ring with iron atoms replacing the carbon atoms?
A ferrous wheel
A ferrous wheel
- Sat Dec 07, 2019 9:14 pm
- Forum: Empirical & Molecular Formulas
- Topic: Rounding
- Replies: 6
- Views: 619
Re: Rounding
I would only round up if the value is very close to a whole number and the other values are already established as whole numbers
- Sat Dec 07, 2019 9:13 pm
- Forum: Student Social/Study Group
- Topic: readings
- Replies: 13
- Views: 910
Re: readings
I have the same troubles
- Sat Dec 07, 2019 9:12 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 341686
Re: Final Jitters
Do something relaxing to calm your mind and clear your thoughts
- Thu Dec 05, 2019 7:35 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Saying Thank You to Dr. Lavelle
- Replies: 490
- Views: 527795
Re: Saying Thank You to Dr. Lavelle
Dr Lavelle,
I would like to thank you for your dedication to your students and subject. I really enjoy your teaching style and love the enthusiasm you bring to lectures. Thanks!!
I would like to thank you for your dedication to your students and subject. I really enjoy your teaching style and love the enthusiasm you bring to lectures. Thanks!!
- Thu Dec 05, 2019 7:28 pm
- Forum: Photoelectric Effect
- Topic: Intensity in Photoelectric Effect
- Replies: 6
- Views: 454
Re: Intensity in Photoelectric Effect
This helped thanks
- Thu Dec 05, 2019 7:27 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Ground state? [ENDORSED]
- Replies: 8
- Views: 1891
Re: Ground state? [ENDORSED]
Ground state just means the electrons aren't excited and its the electron configuration for ions or no charge elements
- Thu Dec 05, 2019 7:25 pm
- Forum: *Shrodinger Equation
- Topic: schrodingers equation
- Replies: 8
- Views: 651
Re: schrodingers equation
Yeah I don't know how to actually use this
- Thu Dec 05, 2019 7:22 pm
- Forum: Properties of Light
- Topic: Light as a Wave
- Replies: 8
- Views: 585
Re: Light as a Wave
Light behaves like a wave during reflection and refraction
- Thu Dec 05, 2019 7:20 pm
- Forum: Limiting Reactant Calculations
- Topic: missed question test 1
- Replies: 4
- Views: 827
Re: missed question test 1
thanks!
- Tue Dec 03, 2019 8:52 pm
- Forum: Lewis Acids & Bases
- Topic: 6A.15
- Replies: 2
- Views: 141
Re: 6A.15
Well you start by writing the lewis structure/symbol, Name which one is the lewis acid (PF5) and the base (F-), and then find the product of the reaction and draw the lewis structure of that
- Tue Dec 03, 2019 8:45 pm
- Forum: Lewis Acids & Bases
- Topic: diff b/w lewis acid and base
- Replies: 12
- Views: 663
Re: diff b/w lewis acid and base
A Lewis base is an electron donor, while a lewis acid is a proton donor
- Tue Dec 03, 2019 8:44 pm
- Forum: Naming
- Topic: Roman numerals
- Replies: 7
- Views: 515
Re: Roman numerals
The numerals represent the charge of the metal ion in question
- Tue Dec 03, 2019 8:42 pm
- Forum: Naming
- Topic: Cobalt vs Cobaltate
- Replies: 3
- Views: 219
Re: Cobalt vs Cobaltate
You would use it when there is a net negative charge on the coordination compound
- Tue Dec 03, 2019 8:39 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3458346
Re: Post All Chemistry Jokes Here
What did the chemist say when he found two isotopes of helium? HeHe
- Tue Dec 03, 2019 8:38 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Polydentates
- Replies: 9
- Views: 676
Re: Polydentates
A ligand is polydentate if it can occupy multiple binding sites at the same time
- Tue Dec 03, 2019 8:37 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Coordination Number
- Replies: 9
- Views: 457
Re: Coordination Number
It is just the amount of number of ligands attached to the central atom
- Tue Dec 03, 2019 8:36 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Naming
- Replies: 2
- Views: 193
Re: Naming
I think you'll be fine if you know most of the important ones like iron and gold
- Tue Dec 03, 2019 8:34 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Ligands and lone pairs?
- Replies: 2
- Views: 109
Re: Ligands and lone pairs?
I think that as long as it can bind in two different places using at least 2 LPs it is polydentate
- Tue Dec 03, 2019 8:33 pm
- Forum: Naming
- Topic: Memorizing
- Replies: 9
- Views: 566
Re: Memorizing
Yes I think we do
- Tue Dec 03, 2019 8:28 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Drawing Orbitals
- Replies: 3
- Views: 230
Re: Drawing Orbitals
I don't think we will have to be able to draw the actual structures but rather be able to identify and understand them.
- Tue Dec 03, 2019 8:25 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: orbitals past f
- Replies: 5
- Views: 310
Re: orbitals past f
We likely won't see past l=3
- Tue Dec 03, 2019 8:24 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Magnetic Quantum numbers
- Replies: 13
- Views: 770
Re: Magnetic Quantum numbers
It goes from the negative to positive l values so for l = 2, the ml would be -2,-1,0,1.2
- Tue Dec 03, 2019 8:22 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Advice for studying
- Replies: 92
- Views: 6582
Re: Advice for studying
Study a lot with other people and bounce ideas you don't know off of each other
- Tue Dec 03, 2019 8:21 pm
- Forum: *Shrodinger Equation
- Topic: Midterm
- Replies: 14
- Views: 1076
Re: Midterm
Let's hope this isn't on the final
- Tue Dec 03, 2019 8:10 pm
- Forum: Einstein Equation
- Topic: When do we use the Einstein Equation?
- Replies: 14
- Views: 775
Re: When do we use the Einstein Equation?
You would use it to calculate the energy of an electron
- Tue Dec 03, 2019 8:07 pm
- Forum: Einstein Equation
- Topic: E=hv [ENDORSED]
- Replies: 52
- Views: 18281
Re: E=hv [ENDORSED]
E represents the energy of the photon, and it is the constant times the wavelength.
- Tue Dec 03, 2019 8:07 pm
- Forum: Einstein Equation
- Topic: E=hv [ENDORSED]
- Replies: 52
- Views: 18281
Re: E=hv [ENDORSED]
E represents the energy of the photon, and it is the constant times the wavelength.
- Tue Oct 08, 2019 8:25 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Advice from a Medical Student - Part II [ENDORSED]
- Replies: 298
- Views: 248902
Re: Advice from a Medical Student - Part II [ENDORSED]
Thanks so much for sharing I am very interested in the medical field so hearing your story was helpful!