Search found 33 matches
- Sun Dec 02, 2018 5:45 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: Hydrogen Bonding
- Replies: 2
- Views: 458
Hydrogen Bonding
When a molecule has H-bonds is it polar?
- Sun Dec 02, 2018 5:23 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: Induced Dipole
- Replies: 1
- Views: 258
Induced Dipole
Is induced dipole the same as van der waals?
- Sun Dec 02, 2018 5:18 pm
- Forum: Hybridization
- Topic: Hybrid Orbitals
- Replies: 3
- Views: 415
Hybrid Orbitals
Does the regions of electron density equal the number of hybrid orbitals.
- Sun Dec 02, 2018 5:09 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: Non-polar
- Replies: 1
- Views: 245
Non-polar
Must a non polar molecule have zero electric dipole moments?
- Sun Dec 02, 2018 5:05 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: VSEPR
- Replies: 4
- Views: 553
VSEPR
When theres three atoms and one lone pair would the VSEPR formula be AX3E?
- Sun Dec 02, 2018 5:01 pm
- Forum: Hybridization
- Topic: Hybridization
- Replies: 5
- Views: 615
Hybridization
Is a tetrahedral structure sp^3?
- Sun Dec 02, 2018 4:59 pm
- Forum: Hybridization
- Topic: Hybridization
- Replies: 3
- Views: 428
Hybridization
Is a linear structure considered sp^2?
- Sun Dec 02, 2018 4:57 pm
- Forum: Hybridization
- Topic: Hybridization
- Replies: 11
- Views: 1294
Hybridization
Is a trigonal planar considered sp^3d?
- Sun Nov 25, 2018 7:51 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: Dipole
- Replies: 3
- Views: 369
Dipole
Does a polar molecule have to have polar bonds with dipoles that do not cancel?
- Sun Nov 25, 2018 7:47 pm
- Forum: Ionic & Covalent Bonds
- Topic: covalent bonds
- Replies: 1
- Views: 260
covalent bonds
What are highly distorted electrons described as?
- Sun Nov 25, 2018 7:42 pm
- Forum: Ionic & Covalent Bonds
- Topic: Ionic bonds
- Replies: 1
- Views: 270
Ionic bonds
What electronegativity difference is an ionic bond?
- Sun Nov 25, 2018 7:37 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: Electron density
- Replies: 3
- Views: 663
Electron density
Does regions of electron density equal the the number of hybrid orbitals?
- Thu Nov 15, 2018 11:24 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: bond angle
- Replies: 4
- Views: 515
bond angle
What are the bond angles for octahedral?
- Thu Nov 15, 2018 11:15 pm
- Forum: Bond Lengths & Energies
- Topic: Bond Length
- Replies: 6
- Views: 626
Bond Length
Are longer bonds the weaker bonds that are easily broken and more involved in a reaction?
- Tue Nov 13, 2018 2:12 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: Induced Dipole
- Replies: 2
- Views: 365
Induced Dipole
What does fluctuating electron distribution result in?
- Sun Nov 04, 2018 1:05 am
- Forum: Lewis Structures
- Topic: Lewis Structure
- Replies: 2
- Views: 285
Lewis Structure
How do I draw Lewis structures of polyatomic species?
- Sun Nov 04, 2018 1:03 am
- Forum: Octet Exceptions
- Topic: Octet
- Replies: 6
- Views: 826
Octet
What are the exceptions to the octet rule?
- Sun Nov 04, 2018 1:01 am
- Forum: Ionic & Covalent Bonds
- Topic: covalent bonds
- Replies: 3
- Views: 442
covalent bonds
Does the valence of an atom equal the number of covalent bonds?
- Sun Nov 04, 2018 1:00 am
- Forum: Octet Exceptions
- Topic: Octet Rule
- Replies: 2
- Views: 327
Octet Rule
What is the octet rule?
- Sun Nov 04, 2018 1:59 am
- Forum: Ionic & Covalent Bonds
- Topic: covalent bonds
- Replies: 2
- Views: 356
covalent bonds
Why don't non-metals form cations?
- Sun Nov 04, 2018 1:54 am
- Forum: Ionic & Covalent Bonds
- Topic: Chemical Bonds
- Replies: 5
- Views: 559
Chemical Bonds
How do chemical bonds form?
- Wed Oct 24, 2018 10:30 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Electron configurations
- Replies: 2
- Views: 286
Electron configurations
How do we write the shorthand configuration of elements and/or ions in their ground states?
- Wed Oct 24, 2018 10:18 pm
- Forum: Trends in The Periodic Table
- Topic: Isoeletronic
- Replies: 3
- Views: 554
Isoeletronic
How can atoms and ions have the same number of electrons?
- Sun Oct 21, 2018 10:17 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Orbitals
- Replies: 2
- Views: 262
Orbitals
What results in an effective nuclear charge?
- Sun Oct 21, 2018 9:34 pm
- Forum: Properties of Light
- Topic: Photoelectric Effect
- Replies: 8
- Views: 966
Photoelectric Effect
What is the photoelectric affect?
- Sun Oct 21, 2018 9:31 pm
- Forum: Properties of Electrons
- Topic: Atomic Spectra
- Replies: 4
- Views: 474
Atomic Spectra
When does an atom emit light and when does it absorb it?
- Sun Oct 21, 2018 9:27 pm
- Forum: Photoelectric Effect
- Topic: Visible Light Spectrum
- Replies: 6
- Views: 552
Visible Light Spectrum
Does the visible light spectrum range from 420nm-700nm?
- Thu Oct 11, 2018 11:32 pm
- Forum: Balancing Chemical Reactions
- Topic: Percent Yield
- Replies: 5
- Views: 526
Re: Percent Yield
Yes we do it is in outline 1 online on the class website.
- Thu Oct 11, 2018 11:27 pm
- Forum: Properties of Electrons
- Topic: Quantum World
- Replies: 6
- Views: 557
Quantum World
Just to be clear, the shorter the wavelength the higher the frequency and the longer the wavelength the lower the frequency?
- Thu Oct 11, 2018 11:20 pm
- Forum: Balancing Chemical Reactions
- Topic: Balancing Chemical Equations [ENDORSED]
- Replies: 4
- Views: 416
Balancing Chemical Equations [ENDORSED]
To balance for example Butane gas which is C4H10(g) how would I arrange the reactants and products?
- Thu Oct 04, 2018 12:37 pm
- Forum: Limiting Reactant Calculations
- Topic: Homework Questions [ENDORSED]
- Replies: 4
- Views: 385
Re: Homework Questions [ENDORSED]
In the syllabus and Dr. Lavelle mentioned that out of all the options he gave us you can choose any 7 so I believe its fine to do all of them from one section.
- Thu Oct 04, 2018 12:31 pm
- Forum: SI Units, Unit Conversions
- Topic: How does grading for discussion posts work?
- Replies: 80
- Views: 8696
Re: How does grading for discussion posts work?
I also have a question regarding chemistry community, does anyone know by when we are supposed to post responses on here or new topics?
- Thu Oct 04, 2018 12:18 pm
- Forum: Empirical & Molecular Formulas
- Topic: Definition of Empirical Formula
- Replies: 8
- Views: 649
Re: Definition of Empirical Formula
The empirical formula shows the relative number of atoms that a molecule has whereas the molecular formula shows the actual number of atoms.