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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Topics: 820

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

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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

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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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Topics: 1343

1343 Topics

4478 Posts

Last post Re: Why uncertainty exists at…
by 506269669 View the latest post
Fri Dec 06, 2024 8:45 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

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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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Topics: 1230

1230 Topics

4357 Posts

Last post Re: Spectral emission lines a…
by 906218461 2J View the latest post
Fri Dec 06, 2024 8:51 pm
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: 866

866 Topics

3457 Posts

Last post Re: Sigma and Pi Bonds
by 306112410 View the latest post
Fri Dec 06, 2024 7:13 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: 668

668 Topics

2350 Posts

Last post Re: ranking
by Lauren Mozier 1J View the latest post
Fri Dec 06, 2024 8:49 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: 1198

1198 Topics

4332 Posts

Last post Re: Forces and Symmetry
by LeAnn_Lee_1K View the latest post
Fri Dec 06, 2024 7:36 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: 5215

5215 Topics

20595 Posts

Last post Re: Bond Angle
by Samantha Young 2L View the latest post
Fri Dec 06, 2024 8:27 pm
Hybridization
$sp, sp^{2}, sp^{3}, dsp^{3}, d^{2}sp^{3}$
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Topics: 2790

2790 Topics

9709 Posts

Last post Re: Hybridization
by LeAnn_Lee_1K View the latest post
Fri Dec 06, 2024 7:51 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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2510 Topics

8811 Posts

Last post Re: Naming
by tduran View the latest post
Fri Dec 06, 2024 8:05 pm
Shape, Structure, Coordination Number, Ligands
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3231 Topics

10341 Posts

Last post Re: Polydentate Ligands and C…
by 906118466 View the latest post
Fri Dec 06, 2024 7:08 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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Topics: 21

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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911 Topics

3296 Posts

Last post Re: Confusion on determining …
by Lauren Mozier 1J View the latest post
Fri Dec 06, 2024 8:48 pm
Properties & Structures of Inorganic & Organic Bases
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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: 522

522 Topics

1848 Posts

Last post Re: Amphoteric Compounds
by Samantha Young 2L View the latest post
Fri Dec 06, 2024 8:30 pm
Lewis Acids & Bases
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1404 Topics

5137 Posts

Last post Re: Syllabus Problem 6.5
by Chem_Mod View the latest post
Fri Dec 06, 2024 7:35 pm
Bronsted Acids & Bases
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1425 Topics

4500 Posts

Last post Re: Bronsted help
by Maya Ceja 2J View the latest post
Fri Dec 06, 2024 8:43 pm
Conjugate Acids & Bases
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739 Topics

2553 Posts

Last post Re: Strenght of acid and conj…
by Lauren Mozier 1J View the latest post
Fri Dec 06, 2024 8:46 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: 964

964 Topics

3169 Posts

Last post Re: Calculating ka and kb
by zihuizhou View the latest post
Fri Dec 06, 2024 8:20 pm
Calculating pH or pOH for Strong & Weak Acids & Bases
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Topics: 1878

1878 Topics

6102 Posts

Last post Re: Acid/Base Strength
by karime montano 1k View the latest post
Fri Dec 06, 2024 7:04 pm
Polyprotic Acids & Bases
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Topics: 381

381 Topics

1213 Posts

Last post Re: Structure differences in …
by 506269669 View the latest post
Fri Dec 06, 2024 8:52 pm
Identifying Acidic & Basic Salts
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Topics: 701

701 Topics

2218 Posts

Last post Re: Week 9-10 Assignment #7
by GraceLi_2L View the latest post
Fri Dec 06, 2024 8:50 pm
Calculating the pH of Salt Solutions
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Topics: 472

472 Topics

1657 Posts

Last post Re: Aqueous solutions
by OmarAkbik View the latest post
Fri Dec 06, 2024 8:31 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

964 Posts

Last post Re: Kenneth's Workshop Week 1…
by Chem_Mod View the latest post
Fri Dec 06, 2024 8:42 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

17660 Posts

Last post Re: 14B discussion swap
by AnaiGutierrez_2B View the latest post
Fri Dec 06, 2024 8:13 pm
Administrative Questions and Class Announcements
Any general non-science questions (software questions/problems, etc.,) and class announcements.
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Topics: 1927

1927 Topics

10568 Posts

Last post Re: PTE Number
by Chem_Mod View the latest post
Fri Dec 06, 2024 8:22 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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