Search found 48 matches

by Ruth Glauber 3L
Sat Dec 07, 2019 8:51 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: 17.35 Chelating Compounds
Replies: 5
Views: 445

Re: 17.35 Chelating Compounds

I also had this question! ^^
by Ruth Glauber 3L
Sat Dec 07, 2019 10:33 am
Forum: Acidity & Basicity Constants and The Conjugate Seesaw
Topic: Ka Kb on the Final
Replies: 2
Views: 24

Re: Ka Kb on the Final

I'm also very unclear on this ^^ Can someone please explain?
by Ruth Glauber 3L
Wed Nov 27, 2019 6:51 am
Forum: Naming
Topic: Naming Coordination Compound
Replies: 5
Views: 30

Re: Naming Coordination Compound

What about anions and cations outside of the coordination sphere? How do you use prefixes with them?
by Ruth Glauber 3L
Wed Nov 27, 2019 6:50 am
Forum: Naming
Topic: Naming Coordination Compound with Iron
Replies: 4
Views: 22

Re: Naming Coordination Compound with Iron

^^ I also had this question. Does anyone have any other examples for exceptions?
by Ruth Glauber 3L
Wed Nov 27, 2019 6:49 am
Forum: Naming
Topic: Bis,tris, etc
Replies: 6
Views: 38

Re: Bis,tris, etc

I think you use it when the ligand already has a bi or prefix.
by Ruth Glauber 3L
Wed Nov 27, 2019 6:48 am
Forum: Naming
Topic: Naming coordination compound
Replies: 5
Views: 39

Re: Naming coordination compound

I am also confused on how (en) influences the naming. Can anyone give an example?
by Ruth Glauber 3L
Wed Nov 27, 2019 6:46 am
Forum: Naming
Topic: Alphabetical Order
Replies: 6
Views: 35

Re: Alphabetical Order

Can anyone walk me through an example?
by Ruth Glauber 3L
Fri Nov 22, 2019 7:33 pm
Forum: Hybridization
Topic: for test 2
Replies: 7
Views: 49

Re: for test 2

I don't think so, no.
by Ruth Glauber 3L
Fri Nov 22, 2019 7:33 pm
Forum: Hybridization
Topic: hybridization
Replies: 11
Views: 50

Re: hybridization

^^ What is a step by step method?
by Ruth Glauber 3L
Fri Nov 22, 2019 7:32 pm
Forum: Hybridization
Topic: Hybridization with lone pairs on central atom
Replies: 6
Views: 25

Re: Hybridization with lone pairs on central atom

Yes, and I think page 119 had an example on this?
by Ruth Glauber 3L
Fri Nov 22, 2019 7:31 pm
Forum: Hybridization
Topic: hybridization on the test?
Replies: 10
Views: 67

Re: hybridization on the test?

I think it's best to know how they relate to hybridization, but really only sigma and pi bonds I think.
by Ruth Glauber 3L
Fri Nov 22, 2019 7:31 pm
Forum: Hybridization
Topic: lone pairs in hybridization
Replies: 8
Views: 31

Re: lone pairs in hybridization

Yes, I think lone pairs act as bonding in hybridization.
by Ruth Glauber 3L
Sun Nov 17, 2019 9:37 am
Forum: Hybridization
Topic: The D Orbital
Replies: 4
Views: 242

Re: The D Orbital

I think pi bonds? Does anyone else have an explanation as to why?
by Ruth Glauber 3L
Sun Nov 17, 2019 9:36 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Van Der Waals Interaction
Replies: 11
Views: 40

Re: Van Der Waals Interaction

Every molecule experiences these forces.
by Ruth Glauber 3L
Sun Nov 17, 2019 9:35 am
Forum: Determining Molecular Shape (VSEPR)
Topic: London dispersion forces and vander waals
Replies: 5
Views: 32

Re: London dispersion forces and vander waals

I think that London Dispersion Forces are a specific type of vander waals.
by Ruth Glauber 3L
Sun Nov 17, 2019 9:35 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Bond Angles with Different Atoms
Replies: 4
Views: 43

Re: Bond Angles with Different Atoms

Does anyone have another example to illustrate these explanations?
by Ruth Glauber 3L
Sun Nov 17, 2019 9:34 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Pentagonal Bipyramidal
Replies: 8
Views: 62

Re: Pentagonal Bipyramidal

Does anyone know where in the textbook I could find a diagram for this?
by Ruth Glauber 3L
Thu Nov 07, 2019 10:53 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Resonance Delocalization
Replies: 5
Views: 36

Re: Resonance Delocalization

I think this is roughly explained by the concept of resonance structures.
by Ruth Glauber 3L
Thu Nov 07, 2019 10:52 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Polar v. Nonpolar
Replies: 11
Views: 282

Re: Polar v. Nonpolar

Try drawing out a lewis structure and comparing formal charges for each atom.
by Ruth Glauber 3L
Thu Nov 07, 2019 10:52 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Sulfur bonding
Replies: 5
Views: 24

Re: Sulfur bonding

I think that this is called an expanded octet.
by Ruth Glauber 3L
Thu Nov 07, 2019 10:51 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Wavelength Plausibility
Replies: 30
Views: 731

Re: Wavelength Plausibility

I think that a de Broglie wavelength less than 10-15m does not have detectable wave-like properties.
by Ruth Glauber 3L
Thu Nov 07, 2019 10:48 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: how to draw lewis structure
Replies: 9
Views: 304

Re: how to draw lewis structure

Check to see if it's an ion!
by Ruth Glauber 3L
Thu Nov 07, 2019 10:47 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Writing e- Configurations
Replies: 15
Views: 73

Re: Writing e- Configurations

I think that you write the noble gas and then the other notation unless otherwise stated by the question.
by Ruth Glauber 3L
Thu Oct 31, 2019 11:24 am
Forum: Bond Lengths & Energies
Topic: Boiling points
Replies: 2
Views: 263

Re: Boiling points

I would look at the bonds in the molecules and their respective strengths.
by Ruth Glauber 3L
Thu Oct 31, 2019 11:23 am
Forum: Lewis Structures
Topic: Charges on Lewis Structures
Replies: 7
Views: 48

Re: Charges on Lewis Structures

I think you should only have to make the positive or negative notation on the atom itself (eg. Na+).
by Ruth Glauber 3L
Thu Oct 31, 2019 11:22 am
Forum: Limiting Reactant Calculations
Topic: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]
Replies: 68
Views: 1311

Re: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]

So do we have to have exact units for each step of the problem, or just correct units for the answer?
by Ruth Glauber 3L
Thu Oct 31, 2019 11:20 am
Forum: Electron Configurations for Multi-Electron Atoms
Topic: Question about the Principles on Tests
Replies: 5
Views: 31

Re: Question about the Principles on Tests

I would memorize them,just to be safe.
by Ruth Glauber 3L
Fri Oct 25, 2019 12:34 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: d orbital
Replies: 3
Views: 38

Re: d orbital

I think they are Cu and Cr!
by Ruth Glauber 3L
Fri Oct 25, 2019 12:33 pm
Forum: Properties of Electrons
Topic: What's the difference between a shell, a subshell, an energy level, and an orbital?
Replies: 8
Views: 52

Re: What's the difference between a shell, a subshell, an energy level, and an orbital?

Shell is the quantum number n. Subshell is the shape (s, p, d, f) and quantum number l. Orbital is the orientation of the subshell!
by Ruth Glauber 3L
Fri Oct 25, 2019 12:32 pm
Forum: Properties of Electrons
Topic: Spin
Replies: 5
Views: 57

Re: Spin

I think it involves the electron's intrinsic angular momentum.
by Ruth Glauber 3L
Fri Oct 25, 2019 12:31 pm
Forum: Properties of Electrons
Topic: Subshell Exceptions
Replies: 6
Views: 42

Re: Subshell Exceptions

I think that it depends on the conditions at which the most stability is achieved.
by Ruth Glauber 3L
Fri Oct 25, 2019 12:30 pm
Forum: Properties of Electrons
Topic: Electron Principles
Replies: 3
Views: 41

Re: Electron Principles

Can anyone summarize this for me?
by Ruth Glauber 3L
Sun Oct 20, 2019 10:31 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Test 1 [ENDORSED]
Replies: 107
Views: 2323

Re: Test 1 [ENDORSED]

Can someone repeat how the tests are curved?
by Ruth Glauber 3L
Sun Oct 20, 2019 10:30 pm
Forum: DeBroglie Equation
Topic: Deriving the DeBrogile Equation
Replies: 8
Views: 71

Re: Deriving the DeBrogile Equation

I think it's useful to know how to derive it!
by Ruth Glauber 3L
Sun Oct 20, 2019 10:29 pm
Forum: DeBroglie Equation
Topic: DeBroglie Equation
Replies: 11
Views: 57

Re: DeBroglie Equation

It's to find wavelength, right?
by Ruth Glauber 3L
Sun Oct 20, 2019 10:28 pm
Forum: DeBroglie Equation
Topic: When to combine equations
Replies: 10
Views: 60

Re: When to combine equations

You need to make sure they have a variable in common!
by Ruth Glauber 3L
Sun Oct 20, 2019 10:27 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Uncertainty in Speed [ENDORSED]
Replies: 18
Views: 755

Re: Uncertainty in Speed [ENDORSED]

I think you need to calculate 1% of the hydrogen radius (0.05 nm) in meters for the uncertainty.
by Ruth Glauber 3L
Sun Oct 13, 2019 11:02 pm
Forum: DeBroglie Equation
Topic: De Broglie's Equation
Replies: 17
Views: 82

Re: De Broglie's Equation

No, light cannot be used.
by Ruth Glauber 3L
Sun Oct 13, 2019 11:01 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Heisenberg Uncertainty Principle Post-Module Assessment
Replies: 2
Views: 24

Re: Heisenberg Uncertainty Principle Post-Module Assessment

Why is there a difference in calling it the uncertainty vs undeterminability principle?
by Ruth Glauber 3L
Sun Oct 13, 2019 11:00 pm
Forum: Administrative Questions and Class Announcements
Topic: Week 2 Homework Problems [ENDORSED]
Replies: 67
Views: 1441

Re: Week 2 Homework Problems [ENDORSED]

I believe it is from the review section and the quantum section.
by Ruth Glauber 3L
Sun Oct 13, 2019 10:59 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Wavelength Plausibility
Replies: 30
Views: 731

Re: Wavelength Plausibility

I believe using 700 to 400 is acceptable (and easier to remember).
by Ruth Glauber 3L
Sun Oct 13, 2019 10:58 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Rydberg equation [ENDORSED]
Replies: 73
Views: 1392

Re: Rydberg equation [ENDORSED]

Where does the name Rydberg come from?
by Ruth Glauber 3L
Sun Oct 13, 2019 10:58 pm
Forum: Limiting Reactant Calculations
Topic: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]
Replies: 68
Views: 1311

Re: Showing Work for Limiting Reactant Calculations on Tests [ENDORSED]

I believe partial credit is awarded for steps within the overall problem.
by Ruth Glauber 3L
Sat Oct 05, 2019 5:42 pm
Forum: Limiting Reactant Calculations
Topic: Percent or theoretical yield
Replies: 14
Views: 116

Re: Percent or theoretical yield

Theoretical yield is the amount you SHOULD be able to create in a perfect laboratory environment, however the actual yield is what you end up getting under realistic lab context. The percentage yield is the ratio between these two.
by Ruth Glauber 3L
Sat Oct 05, 2019 5:40 pm
Forum: Balancing Chemical Reactions
Topic: Fractions in front of compounds
Replies: 12
Views: 82

Re: Fractions in front of compounds

You should always multiply to eliminate fractions across the entire equation, to ensure it's balanced on both sides.
by Ruth Glauber 3L
Sat Oct 05, 2019 5:39 pm
Forum: Empirical & Molecular Formulas
Topic: Tips for Finding Which Number to Multiply a Decimal By to Get a Whole Number
Replies: 10
Views: 91

Re: Tips for Finding Which Number to Multiply a Decimal By to Get a Whole Number

I would use trial and error and try to estimate the lowest multiple of the numbers you have already and go from there.
by Ruth Glauber 3L
Sat Oct 05, 2019 5:38 pm
Forum: Empirical & Molecular Formulas
Topic: Writing Empirical Formulas
Replies: 8
Views: 95

Re: Writing Empirical Formulas

I believe you tend to put Carbon, Hydrogen and Oxygen first, and go off of the others in alphabetical order?
by Ruth Glauber 3L
Sat Oct 05, 2019 5:36 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Rounding
Replies: 12
Views: 139

Re: Rounding

I think it is best to round to the number of significant figures stated in the question (i.e. the number of sig figs of the data the question gives you).

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