CHEMISTRY COMMUNITY

Review of Chemical & Physical Principles

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SI Units, Unit Conversions
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961 Topics

5478 Posts

Last post Re: Conversions
by 606275877 View the latest post
Fri Nov 22, 2024 12:11 pm
Significant Figures
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820 Topics

4621 Posts

Last post Re: Constants
by 806156213 View the latest post
Tue Nov 26, 2024 10:32 pm
Accuracy, Precision, Mole, Other Definitions
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Topics: 731

731 Topics

3755 Posts

Last post Re: Periodic Table Atomic Wei…
by Varsha 1G View the latest post
Mon Oct 28, 2024 11:27 am
Molarity, Solutions, Dilutions
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1191 Topics

4510 Posts

Last post Re: Easiest way to remember c…
by Anjali Mehra 1A View the latest post
Tue Nov 05, 2024 11:39 am
Empirical & Molecular Formulas
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1341 Topics

5370 Posts

Last post Re: Determining molecular for…
by libby li 1J View the latest post
Fri Dec 06, 2024 4:49 pm
Balancing Chemical Reactions
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807 Topics

4427 Posts

Last post Re: Balancing Equations with …
by 606275877 View the latest post
Fri Nov 08, 2024 1:06 pm
Limiting Reactant Calculations
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1289 Topics

5217 Posts

Last post Re: Limiting Reactant
by Armaan1A View the latest post
Tue Nov 26, 2024 10:46 pm

The Quantum World

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Properties of Light
$c=\lambda v$
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3269 Topics

13654 Posts

Last post Re: Wavelength
by 606275877 View the latest post
Fri Dec 06, 2024 12:16 pm
Properties of Electrons
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1578 Topics

5887 Posts

Last post Re: Electron Spin
by 806156213 View the latest post
Tue Nov 19, 2024 11:02 pm
Einstein Equation
$E=hv$
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Topics: 629

629 Topics

2812 Posts

Last post Re: 1B. 15c
by ChelseaMoraDis2G View the latest post
Sun Oct 27, 2024 6:56 pm
*Black Body Radiation
(Wien's law: $T\lambda _{max}=\frac{1}{5}C_{2}$ )
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174 Topics

763 Posts

Last post Re: Radiation
by Chem_Mod View the latest post
Tue Oct 15, 2024 12:53 pm
Photoelectric Effect
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Topics: 1992

1992 Topics

7411 Posts

Last post Re: converting units
by Shelby Y 1K View the latest post
Fri Dec 06, 2024 2:45 pm
Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
H-Atom ( $E_{n}=-\frac{hR}{n^{2}}$ )
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Topics: 1840

1840 Topics

5885 Posts

Last post Re: Rydberg Constants
by AllyFoo_2K View the latest post
Thu Dec 05, 2024 10:56 pm
DeBroglie Equation
$\lambda=\frac{h}{p}$
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1391 Topics

5423 Posts

Last post Re: Schrodinger Wave Function…
by Parker Powers 2A View the latest post
Fri Dec 06, 2024 2:01 pm
Heisenberg Indeterminacy (Uncertainty) Equation
$\Delta p \Delta x\geq \frac{h}{4\pi }$
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1342 Topics

4476 Posts

Last post Re: Minimum Uncertainty
by Praise Yu 1C View the latest post
Tue Dec 03, 2024 10:10 pm
*Shrodinger Equation
$H_{\psi }=E_{\psi }$

1-D: $E_{TOTAL}\psi (x)=E_{k}\psi (x)+V(x)\psi(x)=-\frac{h^{2}}{8\pi ^{2}m}\frac{d^{2}\psi(x)}{dx^{2}}+V(x)\psi(x)$
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598 Topics

1928 Posts

Last post Re: Wave function and probabi…
by Chem_Mod View the latest post
Mon Oct 28, 2024 4:26 pm
*Particle in a Box
$E_{n}=\frac{h^{2}n^{2}}{8mL^{2}}$
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78 Topics

299 Posts

Last post Re: Particle in a Box is not …
by Chem_Mod View the latest post
Sat Oct 12, 2024 3:35 pm
Wave Functions and s-, p-, d-, f- Orbitals
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Topics: 2079

2079 Topics

7507 Posts

Last post Re: Cr+ in lecture today
by Clara Truong 2I View the latest post
Fri Dec 06, 2024 1:26 pm
Quantum Numbers and The H-Atom
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1229 Topics

4355 Posts

Last post Re: ml quantum number
by Danis Rivera 2C View the latest post
Tue Nov 19, 2024 10:43 am
Electron Configurations for Multi-Electron Atoms
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2442 Topics

7910 Posts

Last post Re: Electron Configuration
by Clara Truong 2I View the latest post
Fri Dec 06, 2024 2:17 pm
Trends in The Periodic Table
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1740 Topics

6751 Posts

Last post Re: Second ionization energy
by Hunter Rosales 2C View the latest post
Wed Dec 04, 2024 10:47 pm

Chemical Bonds

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Ionic & Covalent Bonds
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2852 Topics

12008 Posts

Last post Re: Ionization Energy
by 606275877 View the latest post
Fri Dec 06, 2024 12:10 pm
Sigma & Pi Bonds
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Topics: 865

865 Topics

3454 Posts

Last post Re: Bond strength
by VivianWang_2K View the latest post
Fri Dec 06, 2024 2:06 pm
Lewis Structures
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Topics: 3810

3810 Topics

13513 Posts

Last post Re: Formal charges
by RyanMcLaughlin_2L View the latest post
Fri Dec 06, 2024 2:20 pm
Resonance Structures
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Topics: 1420

1420 Topics

5250 Posts

Last post Re: resonance structures
by Riya_Patel_1L View the latest post
Wed Nov 27, 2024 9:41 am
Formal Charge and Oxidation Numbers
$FC=V-(L+\frac{S}{2})$
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1079 Topics

4506 Posts

Last post Re: Oxidation Number for Tran…
by Sophia_Lavallee_1A View the latest post
Tue Nov 26, 2024 1:55 pm
Octet Exceptions
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1207 Topics

4339 Posts

Last post Re: Carbon incomplete octet (…
by Sloane Richie 2J View the latest post
Fri Dec 06, 2024 9:22 am
Coordinate Covalent Bonds
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Topics: 328

328 Topics

1261 Posts

Last post Re: Ligand Binding Sites
by Gargi Patel 1F View the latest post
Tue Dec 03, 2024 8:58 pm
Polarisability of Anions, The Polarizing Power of Cations
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Topics: 667

667 Topics

2348 Posts

Last post Re: Polarization in bonds wit…
by Giada Leggero 1F View the latest post
Mon Nov 25, 2024 5:54 pm
Electronegativity
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Topics: 754

754 Topics

3689 Posts

Last post Re: Electronegativity: Inter …
by JaciNakamura_1C View the latest post
Wed Dec 04, 2024 12:40 am
Dipole Moments
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1714 Topics

6113 Posts

Last post Re: dipole moments
by Haley Kaneshiro 1F View the latest post
Mon Dec 02, 2024 4:46 pm
Bond Lengths & Energies
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1135 Topics

4725 Posts

Last post Re: Bond lengths and Vapor
by Nitya Jhamb View the latest post
Thu Dec 05, 2024 11:45 am

Forces and Liquid Structure

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Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
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Topics: 1197

1197 Topics

4330 Posts

Last post Re: Forces In Relation To Ion…
by Rikhil_Seth_1L View the latest post
Wed Dec 04, 2024 10:57 pm
*Liquid Structure (Viscosity, Surface Tension, Liquid Crystals, Ionic Liquids)
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Topics: 33

33 Topics

215 Posts

Last post Re: Question 4
by Chem_Mod View the latest post
Tue Oct 15, 2024 12:40 am

Molecular Shape and Structure

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Determining Molecular Shape (VSEPR)
(Polar molecules, Non-polar molecules, etc.)
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Topics: 5214

5214 Topics

20591 Posts

Last post Polar vs. Nonpolar
by 906448018 View the latest post
Fri Dec 06, 2024 6:07 pm
Hybridization
$sp, sp^{2}, sp^{3}, dsp^{3}, d^{2}sp^{3}$
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Topics: 2789

2789 Topics

9707 Posts

Last post Re: Drawing
by Huanyan Zheng 1B View the latest post
Fri Dec 06, 2024 3:46 pm
*Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
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805 Topics

2544 Posts

Last post Re: Molecular Orbital Theory …
by Chem_Mod View the latest post
Sat Oct 12, 2024 4:04 pm

Coordination Compounds and their Biological Importance

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Naming
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2506 Topics

8803 Posts

Last post Re: Naming Transition Metals
by DONNA NAJAFI 1K View the latest post
Fri Dec 06, 2024 5:43 pm
Shape, Structure, Coordination Number, Ligands
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3231 Topics

10340 Posts

Last post Re: Polydentate ligands
by 205653193 View the latest post
Fri Dec 06, 2024 5:01 pm
Biological Examples
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487 Topics

1756 Posts

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by Chem_Mod View the latest post
Fri Dec 06, 2024 11:32 am
Industrial Examples
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21 Topics

122 Posts

Last post Re: More examples
by Huanyan Zheng 1B View the latest post
Fri Dec 06, 2024 3:45 pm
*Stereochemistry
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Topics: 23

23 Topics

69 Posts

Last post Re: Stereochemistry is not in…
by Chem_Mod View the latest post
Sat Oct 12, 2024 4:09 pm
*Crystal Field Theory
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Topics: 13

13 Topics

42 Posts

Last post Re: Crystal Field Theory is n…
by Chem_Mod View the latest post
Sat Oct 12, 2024 4:23 pm
*Molecular Orbital Theory Applied To Transition Metals
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46 Topics

144 Posts

Last post Re: *Molecular Orbital Theory…
by Chem_Mod View the latest post
Sat Oct 12, 2024 4:34 pm

Acids and Bases

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Properties & Structures of Inorganic & Organic Acids
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909 Topics

3291 Posts

Last post Re: Formic acid vs Acetic acid
by Nick Lechuga 2I View the latest post
Fri Dec 06, 2024 5:15 pm
Properties & Structures of Inorganic & Organic Bases
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Topics: 203

203 Topics

700 Posts

Last post Re: Textbook Problem 6.21 par…
by Chem_Mod View the latest post
Fri Dec 06, 2024 2:36 pm
Amphoteric Compounds
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Topics: 520

520 Topics

1843 Posts

Last post Conditions of Amphoteric Comp…
by Tyler Zhen-Yuan View the latest post
Fri Dec 06, 2024 6:06 pm
Lewis Acids & Bases
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1402 Topics

5131 Posts

Last post Re: N in Acid and Base comple…
by Kate Molnar 2J View the latest post
Fri Dec 06, 2024 6:08 pm
Bronsted Acids & Bases
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1419 Topics

4487 Posts

Last post Re: pKa value and relative st…
by Tyler Zhen-Yuan View the latest post
Fri Dec 06, 2024 6:09 pm
Conjugate Acids & Bases
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735 Topics

2544 Posts

Last post Re: Electron withdrawing power
by lucamirza View the latest post
Fri Dec 06, 2024 3:27 pm
Acidity & Basicity Constants and The Conjugate Seesaw
Acidity $K_{a}$
Basicity $K_{b}$
The Conjugate Seesaw $K_{a}\times K_{b}=K_{w}$
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Topics: 963

963 Topics

3166 Posts

Last post Acidity & Basicity Constants
by 906448018 View the latest post
Fri Dec 06, 2024 6:13 pm
Calculating pH or pOH for Strong & Weak Acids & Bases
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Topics: 1876

1876 Topics

6098 Posts

Last post Re: Group 1 cations
by Kate Molnar 2J View the latest post
Fri Dec 06, 2024 6:06 pm
Polyprotic Acids & Bases
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Topics: 377

377 Topics

1205 Posts

Last post Re: identification
by Leslie_C_2J View the latest post
Fri Dec 06, 2024 5:56 pm
Identifying Acidic & Basic Salts
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Topics: 698

698 Topics

2212 Posts

Last post Re: Strong Acids
by Vivian Glennie 1L View the latest post
Fri Dec 06, 2024 3:22 pm
Calculating the pH of Salt Solutions
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Topics: 470

470 Topics

1653 Posts

Last post Re: The effect of Strong Acid…
by Huanyan Zheng 1B View the latest post
Fri Dec 06, 2024 3:48 pm
Air Pollution & Acid Rain
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Topics: 110

110 Topics

466 Posts

Last post Re: Basic Rain
by 806144197 View the latest post
Fri Dec 06, 2024 1:47 pm

Forum

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Chem 14A Uploaded Files (Worksheets, etc.)
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354 Topics

963 Posts

Last post Chem14A Review Session - Lewi…
by Chem_Mod View the latest post
Fri Dec 06, 2024 3:20 pm
Student Social/Study Group
This forum topic is for students to self-organize study groups, etc.
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Topics: 710

710 Topics

17659 Posts

Last post Re: 14B discussion swap
by Erin Lee 2G View the latest post
Fri Dec 06, 2024 4:07 pm
Administrative Questions and Class Announcements
Any general non-science questions (software questions/problems, etc.,) and class announcements.
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Topics: 1925

1925 Topics

10564 Posts

Last post Re: 14A Pre-Lecture Music
by Leslie_C_2J View the latest post
Fri Dec 06, 2024 5:48 pm
General Science Questions
Science questions not covered in Chem 14A and 14B. Try to limit questions to chemistry (inorganic chemistry, physical chemistry, organic chemistry, biophysical chemistry, biochemistry, materials science, environmental chemistry).
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Topics: 550

550 Topics

3194 Posts

Last post Re: Final
by Chem_Mod View the latest post
Thu Dec 05, 2024 7:21 am

*Aqueous Equilibria

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*Making Buffers & Calculating Buffer pH (Henderson-Hasselbalch Equation)
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Topics: 177

177 Topics

461 Posts

Last post Re: can only water be used as…
by carlee_romero_3A View the latest post
Sun Mar 05, 2023 8:27 pm
*Biological Importance of Buffer Solutions
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12 Topics

29 Posts

Last post Re: Buffer Solutions Maintain…
by Chem_Mod View the latest post
Wed Dec 13, 2023 10:59 pm
*Titrations & Titration Calculations
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Topics: 258

258 Topics

681 Posts

Last post Re: Titration Curves w/ Acids…
by Chem_Mod View the latest post
Tue Dec 12, 2023 3:54 pm
*Indicators
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Topics: 23

23 Topics

65 Posts

Last post Re: pKA and Desired pH w/ Buf…
by Chem_Mod View the latest post
Wed Dec 13, 2023 10:42 pm

Chem 14A

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