Search found 28 matches

by Yen Ho Chou 1D
Sun Jul 28, 2019 11:46 pm
Forum: *Liquid Structure (Viscosity, Surface Tension, Liquid Crystals, Ionic Liquids)
Topic: Shape and Boiling Point
Replies: 12
Views: 536

Re: Shape and Boiling Point

shapes resulting in strong force will result in them being harder to break
by Yen Ho Chou 1D
Sun Jul 28, 2019 11:44 pm
Forum: Properties & Structures of Inorganic & Organic Bases
Topic: Nitrogen as a Base
Replies: 6
Views: 182

Re: Nitrogen as a Base

nitrogen can donate its lone pair
by Yen Ho Chou 1D
Sun Jul 28, 2019 11:43 pm
Forum: Naming
Topic: ethylenediamine [ENDORSED]
Replies: 4
Views: 178

Re: ethylenediamine [ENDORSED]

yes that is right
by Yen Ho Chou 1D
Sun Jul 28, 2019 11:43 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: H-bonds [ENDORSED]
Replies: 5
Views: 165

Re: H-bonds [ENDORSED]

They form with the most electronegative elements, and it's with hydrogen, which is low electronegativity
by Yen Ho Chou 1D
Sun Jul 28, 2019 11:29 pm
Forum: Ionic & Covalent Bonds
Topic: Back and Fourth Arrows
Replies: 3
Views: 101

Re: Back and Fourth Arrows

When there are two arrows, the reaction is reversible
by Yen Ho Chou 1D
Sun Jul 28, 2019 11:23 pm
Forum: Lewis Acids & Bases
Topic: Acids & Bases
Replies: 4
Views: 102

Re: Acids & Bases

a lewis acid is a electron acceptor, and a lewis base is an electron donor
by Yen Ho Chou 1D
Sun Jul 21, 2019 10:42 pm
Forum: Formal Charge and Oxidation Numbers
Topic: Which do you prioritize first
Replies: 10
Views: 279

Re: Which do you prioritize first

You prioritize octet rule before formal charge
by Yen Ho Chou 1D
Sun Jul 21, 2019 10:39 pm
Forum: Coordinate Covalent Bonds
Topic: Coordinate covalent bond?
Replies: 6
Views: 261

Re: Coordinate covalent bond?

it's when an atom gives both electrons to make the bond. The tow electrons in the bond are from the same atom
by Yen Ho Chou 1D
Sun Jul 21, 2019 10:39 pm
Forum: Octet Exceptions
Topic: Lewis Acids and Bases
Replies: 10
Views: 321

Re: Lewis Acids and Bases

lewis acids are electron acceptors while lewis bases are electron donors
by Yen Ho Chou 1D
Sun Jul 21, 2019 10:37 pm
Forum: Polarisability of Anions, The Polarizing Power of Cations
Topic: Polarizing Power [ENDORSED]
Replies: 8
Views: 303

Re: Polarizing Power [ENDORSED]

it means the atom will pull electrons more easily
by Yen Ho Chou 1D
Sun Jul 21, 2019 10:37 pm
Forum: Resonance Structures
Topic: Resonance Hybrid
Replies: 3
Views: 223

Re: Resonance Hybrid

i think you do need to know
by Yen Ho Chou 1D
Sun Jul 21, 2019 10:36 pm
Forum: Bond Lengths & Energies
Topic: Bond lengths [ENDORSED]
Replies: 2
Views: 177

Re: Bond lengths [ENDORSED]

i think we just need to know what affects bond length, and what bond length does
by Yen Ho Chou 1D
Sun Jul 14, 2019 11:54 pm
Forum: Lewis Structures
Topic: Formal Charge [ENDORSED]
Replies: 2
Views: 181

Formal Charge [ENDORSED]

I don't understand what formal charge is. Why is it only supposed to be either -1, 1 or 0
by Yen Ho Chou 1D
Sun Jul 14, 2019 11:53 pm
Forum: Lewis Structures
Topic: Ionic Bond Structures [ENDORSED]
Replies: 2
Views: 180

Ionic Bond Structures [ENDORSED]

Will we be drawing the lewis structures of ionic bonds too?
by Yen Ho Chou 1D
Wed Jul 10, 2019 10:22 pm
Forum: *Shrodinger Equation
Topic: General Question on Schrodinger Equation
Replies: 1
Views: 216

General Question on Schrodinger Equation

Can someone explain to me how the Schrodinger Equation relates to wave functions and orbitals
by Yen Ho Chou 1D
Wed Jul 10, 2019 10:20 pm
Forum: Ionic & Covalent Bonds
Topic: Homework 3.5
Replies: 7
Views: 220

Homework 3.5

I don't understand why the configuration for Bi would go from 4f to 5d, instead of 5s
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Screen Shot 2019-07-10 at 10.19.23 PM.png
by Yen Ho Chou 1D
Sun Jul 07, 2019 10:54 pm
Forum: Photoelectric Effect
Topic: Photo electric effect
Replies: 7
Views: 229

Re: Photo electric effect

it has to be in a vacuum to be controlled, so other variables don't make the results inaccurate
by Yen Ho Chou 1D
Sun Jul 07, 2019 10:54 pm
Forum: DeBroglie Equation
Topic: Calculating Velocity
Replies: 9
Views: 419

Re: Calculating Velocity

electrons use ke, photons use the momentum equation
by Yen Ho Chou 1D
Sun Jul 07, 2019 10:53 pm
Forum: Trends in The Periodic Table
Topic: Element Names
Replies: 2
Views: 230

Re: Element Names

We will use the same periodic table for all the tests and they have the names, no need to memorize
by Yen Ho Chou 1D
Sun Jul 07, 2019 10:52 pm
Forum: *Particle in a Box
Topic: Midterm
Replies: 15
Views: 862

Re: Midterm

He said it will cover Fundamentals and Quantum World
by Yen Ho Chou 1D
Sun Jul 07, 2019 10:51 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Uncertainty
Replies: 1
Views: 116

Re: Uncertainty

depends on where it is, but usually when you calculate a number, you have a degree of uncertainty
by Yen Ho Chou 1D
Sun Jun 30, 2019 4:47 pm
Forum: Balancing Chemical Reactions
Topic: H5 7th edition
Replies: 4
Views: 171

Re: H5 7th edition

I think the small number that follows it means you have to multiply the two numbers
by Yen Ho Chou 1D
Sun Jun 30, 2019 4:46 pm
Forum: Significant Figures
Topic: Determining sig figs
Replies: 10
Views: 416

Re: Determining sig figs

There's no difference between 100g and 100.g, but there is a difference between 100g and 100.0g or 100.00g. The zeros that follow the decimal point are significant
by Yen Ho Chou 1D
Sun Jun 30, 2019 4:44 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: What does dilution mean in a chemistry problem?
Replies: 3
Views: 148

Re: What does dilution mean in a chemistry problem?

Dilution is when you make something less concentrated
by Yen Ho Chou 1D
Wed Jun 26, 2019 10:30 pm
Forum: Administrative Questions and Class Announcements
Topic: Homework Questions [ENDORSED]
Replies: 3
Views: 246

Homework Questions [ENDORSED]

If the homework question includes Problem 1, am I supposed to do both problems 1A and 1B if there are A and B?
by Yen Ho Chou 1D
Wed Jun 26, 2019 10:23 pm
Forum: Empirical & Molecular Formulas
Topic: Molar Mass vs. Atomic Weight
Replies: 7
Views: 316

Molar Mass vs. Atomic Weight

Can someone explain to me the difference between molar mass and atomic weight. When should I use them?
by Yen Ho Chou 1D
Wed Jun 26, 2019 10:23 pm
Forum: SI Units, Unit Conversions
Topic: Can someone explain why we use kg for mass as the base unit?
Replies: 4
Views: 192

Re: Can someone explain why we use kg for mass as the base unit?

I believe kilograms is the standard SI unit recognized internationally.

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