CHEMISTRY COMMUNITY

Review of Chemical & Physical Principles

Topics

Posts

Last post

SI Units, Unit Conversions
Moderators: Chem_Mod, Chem_Admin
Topics: 961

961 Topics

5478 Posts

Last post Re: Conversions
by 606275877 View the latest post
Fri Nov 22, 2024 12:11 pm
Significant Figures
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
Topics: 1191

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
Moderators: Chem_Mod, Chem_Admin
Topics: 1339

1339 Topics

5366 Posts

Last post Re: Empirical Formula vs. Mol…
by Armaan1A View the latest post
Tue Nov 26, 2024 10:43 pm
Balancing Chemical Reactions
Moderators: Chem_Mod, Chem_Admin
Topics: 807

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
Moderators: Chem_Mod, Chem_Admin
Topics: 1289

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

Topics

Posts

Last post

Properties of Light
$c=\lambda v$
Moderators: Chem_Mod, Chem_Admin
Topics: 3268

3268 Topics

13651 Posts

Last post Re: Radio Waves
by 806156213 View the latest post
Tue Nov 05, 2024 9:59 pm
Properties of Electrons
Moderators: Chem_Mod, Chem_Admin
Topics: 1578

1578 Topics

5887 Posts

Last post Re: Electron Spin
by 806156213 View the latest post
Tue Nov 19, 2024 11:02 pm
Einstein Equation
$E=hv$
Moderators: Chem_Mod, Chem_Admin
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: $T\lambda _{max}=\frac{1}{5}C_{2}$ )
Moderators: Chem_Mod, Chem_Admin
Topics: 174

174 Topics

763 Posts

Last post Re: Radiation
by Chem_Mod View the latest post
Tue Oct 15, 2024 12:53 pm
Photoelectric Effect
Moderators: Chem_Mod, Chem_Admin
Topics: 1989

1989 Topics

7404 Posts

Last post Re: Photoelectric Effect and …
by Sloane Richie 2J View the latest post
Fri Nov 29, 2024 1:43 pm
Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
H-Atom ( $E_{n}=-\frac{hR}{n^{2}}$ )
Moderators: Chem_Mod, Chem_Admin
Topics: 1839

1839 Topics

5883 Posts

Last post Re: Atomic Spectral line emis…
by Annabelle Chung 1A View the latest post
Tue Dec 03, 2024 11:51 pm
DeBroglie Equation
$\lambda=\frac{h}{p}$
Moderators: Chem_Mod, Chem_Admin
Topics: 1389

1389 Topics

5419 Posts

Last post Re: de brogile
by Emma Smith 1D View the latest post
Wed Dec 04, 2024 12:32 am
Heisenberg Indeterminacy (Uncertainty) Equation
$\Delta p \Delta x\geq \frac{h}{4\pi }$
Moderators: Chem_Mod, Chem_Admin
Topics: 1342

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

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
$E_{n}=\frac{h^{2}n^{2}}{8mL^{2}}$
Moderators: Chem_Mod, Chem_Admin
Topics: 78

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
Moderators: Chem_Mod, Chem_Admin
Topics: 2077

2077 Topics

7503 Posts

Last post Re: Sigma Bonds and particle …
by Agata Shamis View the latest post
Tue Nov 19, 2024 10:34 am
Quantum Numbers and The H-Atom
Moderators: Chem_Mod, Chem_Admin
Topics: 1229

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
Moderators: Chem_Mod, Chem_Admin
Topics: 2441

2441 Topics

7908 Posts

Last post Re: Neutral atoms orbitals vs…
by Danis Rivera 2C View the latest post
Tue Nov 19, 2024 10:39 am
Trends in The Periodic Table
Moderators: Chem_Mod, Chem_Admin
Topics: 1740

1740 Topics

6750 Posts

Last post Re: Second ionization energy
by liah View the latest post
Tue Dec 03, 2024 9:26 am

Chemical Bonds

Topics

Posts

Last post

Ionic & Covalent Bonds
Moderators: Chem_Mod, Chem_Admin
Topics: 2851

2851 Topics

12005 Posts

Last post Re: bond lenths
by 806156213 View the latest post
Tue Dec 03, 2024 9:43 pm
Sigma & Pi Bonds
Moderators: Chem_Mod, Chem_Admin
Topics: 863

863 Topics

3450 Posts

Last post Re: Triple Bond - Pi Bonds
by StacyFloresG_1B View the latest post
Tue Dec 03, 2024 8:00 pm
Lewis Structures
Moderators: Chem_Mod, Chem_Admin
Topics: 3807

3807 Topics

13505 Posts

Last post Re: Bond Strength in Lewis St…
by priya doshi 1I View the latest post
Tue Dec 03, 2024 5:57 pm
Resonance Structures
Moderators: Chem_Mod, Chem_Admin
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
$FC=V-(L+\frac{S}{2})$
Moderators: Chem_Mod, Chem_Admin
Topics: 1079

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
Moderators: Chem_Mod, Chem_Admin
Topics: 1206

1206 Topics

4337 Posts

Last post Re: HOCO Radical
by Donovan Le 1B View the latest post
Sun Nov 24, 2024 10:59 pm
Coordinate Covalent Bonds
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
Topics: 1714

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
Moderators: Chem_Mod, Chem_Admin
Topics: 1134

1134 Topics

4723 Posts

Last post Re: Valence Bond Theory
by Natalie Elbahr 2F View the latest post
Wed Nov 20, 2024 9:38 pm

Forces and Liquid Structure

Topics

Posts

Last post

Interionic and Intermolecular Forces (Ion-Ion, Ion-Dipole, Dipole-Dipole, Dipole-Induced Dipole, Dispersion/Induced Dipole-Induced Dipole/London Forces, Hydrogen Bonding)
Moderators: Chem_Mod, Chem_Admin
Topics: 1195

1195 Topics

4326 Posts

Last post Re: Polarity of Certain Compo…
by lillianevans2A View the latest post
Tue Dec 03, 2024 11:50 am
*Liquid Structure (Viscosity, Surface Tension, Liquid Crystals, Ionic Liquids)
Moderators: Chem_Mod, Chem_Admin
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

Topics

Posts

Last post

Determining Molecular Shape (VSEPR)
(Polar molecules, Non-polar molecules, etc.)
Moderators: Chem_Mod, Chem_Admin
Topics: 5172

5172 Topics

20493 Posts

Last post Re: Shape of I3 - ion
by Fatima A 2F View the latest post
Wed Dec 04, 2024 3:54 am
Hybridization
$sp, sp^{2}, sp^{3}, dsp^{3}, d^{2}sp^{3}$
Moderators: Chem_Mod, Chem_Admin
Topics: 2770

2770 Topics

9664 Posts

Last post Re: hybridization
by Kathryn Go - 2D View the latest post
Wed Dec 04, 2024 1:41 am
*Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
Moderators: Chem_Mod, Chem_Admin
Topics: 805

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

Topics

Posts

Last post

Naming
Moderators: Chem_Mod, Chem_Admin
Topics: 2466

2466 Topics

8713 Posts

Last post Naming Compounds
by Kathryn Go - 2D View the latest post
Wed Dec 04, 2024 1:43 am
Shape, Structure, Coordination Number, Ligands
Moderators: Chem_Mod, Chem_Admin
Topics: 3188

3188 Topics

10249 Posts

Last post Re: oxidation vs coordination
by Rishi Parikh 1E View the latest post
Wed Dec 04, 2024 5:11 am
Biological Examples
Moderators: Chem_Mod, Chem_Admin
Topics: 479

479 Topics

1740 Posts

Last post Re: Biological importance of …
by lily hirsch 1I View the latest post
Tue Dec 03, 2024 11:56 pm
Industrial Examples
Moderators: Chem_Mod, Chem_Admin
Topics: 21

21 Topics

121 Posts

Last post Re: More examples
by Sophie Zhou 2H View the latest post
Sat Nov 30, 2024 4:47 pm
*Stereochemistry
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
Topics: 46

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

Topics

Posts

Last post

Properties & Structures of Inorganic & Organic Acids
Moderators: Chem_Mod, Chem_Admin
Topics: 863

863 Topics

3187 Posts

Last post Re: Different Methods To Dete…
by sihupark View the latest post
Tue Dec 03, 2024 11:46 pm
Properties & Structures of Inorganic & Organic Bases
Moderators: Chem_Mod, Chem_Admin
Topics: 188

188 Topics

668 Posts

Last post Acidic oxides
by Rishi Parikh 1E View the latest post
Wed Dec 04, 2024 5:09 am
Amphoteric Compounds
Moderators: Chem_Mod, Chem_Admin
Topics: 483

483 Topics

1762 Posts

Last post Re: Question
by misty aldrin 2G View the latest post
Wed Dec 04, 2024 12:50 am
Lewis Acids & Bases
Moderators: Chem_Mod, Chem_Admin
Topics: 1345

1345 Topics

5003 Posts

Last post Re: Strong Acids and Bases
by Katie Bui View the latest post
Tue Dec 03, 2024 11:36 pm
Bronsted Acids & Bases
Moderators: Chem_Mod, Chem_Admin
Topics: 1351

1351 Topics

4330 Posts

Last post Re: Following a pattern?
by Ganesh Venumbaka 1F View the latest post
Wed Dec 04, 2024 1:09 am
Conjugate Acids & Bases
Moderators: Chem_Mod, Chem_Admin
Topics: 685

685 Topics

2434 Posts

Last post Re: Clarification
by Noelle Mendoza Disc 2A View the latest post
Wed Dec 04, 2024 12:15 am
Acidity & Basicity Constants and The Conjugate Seesaw
Acidity $K_{a}$
Basicity $K_{b}$
The Conjugate Seesaw $K_{a}\times K_{b}=K_{w}$
Moderators: Chem_Mod, Chem_Admin
Topics: 914

914 Topics

3059 Posts

Last post Re: pKa and pKb
by Meera Patel 1D View the latest post
Wed Dec 04, 2024 1:28 am
Calculating pH or pOH for Strong & Weak Acids & Bases
Moderators: Chem_Mod, Chem_Admin
Topics: 1815

1815 Topics

5962 Posts

Last post pKa
by Rishi Parikh 1E View the latest post
Wed Dec 04, 2024 5:08 am
Polyprotic Acids & Bases
Moderators: Chem_Mod, Chem_Admin
Topics: 326

326 Topics

1098 Posts

Last post Re: pH of Polyprotic Acids
by Rishi Parikh 1E View the latest post
Wed Dec 04, 2024 5:13 am
Identifying Acidic & Basic Salts
Moderators: Chem_Mod, Chem_Admin
Topics: 642

642 Topics

2085 Posts

Last post Re: Identifying conjugate bas…
by Ganesh Venumbaka 1F View the latest post
Wed Dec 04, 2024 1:02 am
Calculating the pH of Salt Solutions
Moderators: Chem_Mod, Chem_Admin
Topics: 432

432 Topics

1572 Posts

Last post Re: Salt and water solution a…
by ashleyhchung View the latest post
Tue Dec 03, 2024 11:27 pm
Air Pollution & Acid Rain
Moderators: Chem_Mod, Chem_Admin
Topics: 101

101 Topics

448 Posts

Last post Re: Carbon Dioxide and Respir…
by Chloe Wang 1A View the latest post
Tue Dec 03, 2024 10:57 pm

Forum

Topics

Posts

Last post

Chem 14A Uploaded Files (Worksheets, etc.)
Moderators: Chem_Mod, Chem_Admin
Topics: 347

347 Topics

942 Posts

Last post Re: Andrew La's Week 10 FINAL…
by Chem_Mod View the latest post
Wed Dec 04, 2024 12:18 am
Student Social/Study Group
This forum topic is for students to self-organize study groups, etc.
Moderators: Chem_Mod, Chem_Admin
Topics: 709

709 Topics

17656 Posts

Last post 14B discussion swap
by AnaiGutierrez_2B View the latest post
Tue Dec 03, 2024 4:03 pm
Administrative Questions and Class Announcements
Any general non-science questions (software questions/problems, etc.,) and class announcements.
Moderators: Chem_Mod, Chem_Admin
Topics: 1918

1918 Topics

10548 Posts

Last post Re: End of Quarter Course Eva…
by Uyai Umoh 2F View the latest post
Tue Dec 03, 2024 8:52 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).
Moderators: Chem_Mod, Chem_Admin
Topics: 548

548 Topics

3190 Posts

Last post Re: Final Room
by karime montano 1k View the latest post
Thu Nov 28, 2024 9:14 pm

*Aqueous Equilibria

Topics

Posts

Last post

*Making Buffers & Calculating Buffer pH (Henderson-Hasselbalch Equation)
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
Topics: 12

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
Moderators: Chem_Mod, Chem_Admin
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
Moderators: Chem_Mod, Chem_Admin
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

Who is online