Search found 31 matches
- Sat Dec 08, 2018 10:23 am
- Forum: Administrative Questions and Class Announcements
- Topic: FINAL PRACTICE - Lyndon's Churro Review Session [ENDORSED]
- Replies: 118
- Views: 21527
Re: FINAL PRACTICE - Lyndon's Churro Review Session [ENDORSED]
Can someone explain 27? I thought you only added -ate when the compound was negative.
- Wed Dec 05, 2018 11:15 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Total Charge
- Replies: 5
- Views: 715
Total Charge
How can you find the total charge of a complex if you are given the oxidation state?
- Wed Dec 05, 2018 9:46 pm
- Forum: Naming
- Topic: Oxidation Numbers
- Replies: 3
- Views: 360
Oxidation Numbers
Are oxidation numbers always positive?
- Mon Dec 03, 2018 11:30 am
- Forum: Photoelectric Effect
- Topic: Work Function
- Replies: 2
- Views: 673
Work Function
How do you find the work function given only the frequency? In the example I have the frequency is 4.50 x 10^16 Hz.
- Sat Dec 01, 2018 3:35 pm
- Forum: Octet Exceptions
- Topic: Which Elements
- Replies: 3
- Views: 608
Which Elements
Which elements can have an octet exception?
- Sat Dec 01, 2018 3:33 pm
- Forum: Lewis Acids & Bases
- Topic: Resonance Structures
- Replies: 4
- Views: 501
Resonance Structures
Does the resonance structure matter whether or not an atom is a lewis base or acid?
- Sat Dec 01, 2018 3:30 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Practice Questions for Final
- Replies: 3
- Views: 605
Practice Questions for Final
Are there going to be practice problem packets for the final like there were for the midterm?
- Sun Nov 25, 2018 8:03 pm
- Forum: Hybridization
- Topic: Polar vs Non Polar
- Replies: 3
- Views: 378
Polar vs Non Polar
How can you tell if a molecule is polar or non polar?
- Tue Nov 20, 2018 5:36 pm
- Forum: Bond Lengths & Energies
- Topic: H bonding
- Replies: 14
- Views: 1537
H bonding
How does hydrogen bonding effect boiling and melting points?
- Tue Nov 20, 2018 5:32 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Molecular Size
- Replies: 3
- Views: 350
Molecular Size
Does increasing the size of a molecule make it stronger or weaker? Why?
- Thu Nov 15, 2018 10:28 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Lone Pairs
- Replies: 3
- Views: 356
Lone Pairs
When you have more than one lone pair on an atom, do they have to be opposite eachother to balance out the repulsion? Or can they be anywhere on the atom?
- Thu Nov 15, 2018 10:27 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Repulsion Strength
- Replies: 5
- Views: 521
Repulsion Strength
What does repulsion strength mean? I know the oder is lone-lone - lone-bonding - bonding-bonding, but what is that measuring?
- Thu Nov 15, 2018 5:17 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Thanksgiving Wednesday Class
- Replies: 19
- Views: 1468
Thanksgiving Wednesday Class
Do we have lecture on Wednesday 11/21?
- Fri Nov 09, 2018 11:42 am
- Forum: Bond Lengths & Energies
- Topic: Strength of Bonds
- Replies: 9
- Views: 1083
Strength of Bonds
Is the boiling/melting point affected by the strength of the bonds? If so, how?
- Fri Nov 09, 2018 11:41 am
- Forum: Dipole Moments
- Topic: Bond Lengths
- Replies: 3
- Views: 445
Bond Lengths
How can you tell how long bond lengths are?
- Fri Nov 09, 2018 11:41 am
- Forum: Dipole Moments
- Topic: Dipole-Dipole
- Replies: 1
- Views: 255
Dipole-Dipole
What is the difference between dipole-dipole and induced dipole-induced dipole?
- Thu Nov 01, 2018 5:06 pm
- Forum: Properties of Electrons
- Topic: Electron Gaining/Losing energy
- Replies: 5
- Views: 687
Electron Gaining/Losing energy
When an atom is excited, does the electron gain or lose energy?
- Thu Nov 01, 2018 5:02 pm
- Forum: Properties of Light
- Topic: Midterm Question 5a
- Replies: 4
- Views: 494
Midterm Question 5a
Can someone explain to me the correct answer to this question on the midterm? I'm a little lost. In a neon lamp, the electrons moving in the current transfer their kinetic energy to Hg atoms resulting in the excitation of an electron in the Hg atom. At the threshold voltage, the current decreases an...
- Thu Nov 01, 2018 4:53 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: 5s Quantum Numbers
- Replies: 1
- Views: 1034
5s Quantum Numbers
What is a set of quantum numbers for a 5s orbital?
- Tue Oct 23, 2018 11:50 pm
- Forum: DeBroglie Equation
- Topic: equation definition
- Replies: 5
- Views: 956
equation definition
How is the de broglie equation different from the actual wavelength equation? Is the debroglie only for moving objects?
- Tue Oct 23, 2018 11:49 pm
- Forum: Properties of Light
- Topic: Electromagnetic Spectrum
- Replies: 5
- Views: 668
Electromagnetic Spectrum
Do we need to know the order of the electromagnetic spectrum> If so, what is it?
- Tue Oct 23, 2018 11:44 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: spin
- Replies: 4
- Views: 475
Re: spin
You can see when you write out the electron configuration in Aufbau configuration. The up arrows are + and the down arrows are -.
- Thu Oct 18, 2018 10:34 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Nodal Planes
- Replies: 3
- Views: 495
Nodal Planes
In lecture we were talking about nodal planes that were in the shape of cones and how they are for radiation (i think)? Does this affect the electrons in the outer shell?
- Wed Oct 17, 2018 5:20 pm
- Forum: *Shrodinger Equation
- Topic: Orbital Planes
- Replies: 2
- Views: 247
Orbital Planes
Do orbital planes always stay in the same formation?
- Wed Oct 17, 2018 2:01 pm
- Forum: *Shrodinger Equation
- Topic: Using the Equation
- Replies: 2
- Views: 294
Using the Equation
What are we meant to use Shrodinger's equation for exactly? To find orbitals?
- Tue Oct 09, 2018 4:18 pm
- Forum: SI Units, Unit Conversions
- Topic: Formula Units
- Replies: 2
- Views: 211
Formula Units
How do you find the formula units of an atom? I looked it up in the book but I couldn't find anything.
- Mon Oct 08, 2018 7:27 pm
- Forum: Molarity, Solutions, Dilutions
- Topic: Help with G5
- Replies: 5
- Views: 309
Re: Help with G5
Is there a specific formula we're supposed to use to solve this problem?
- Mon Oct 08, 2018 7:14 pm
- Forum: Molarity, Solutions, Dilutions
- Topic: Molarity Question G5
- Replies: 2
- Views: 245
Molarity Question G5
Question G5:
When finding the volume of solution, do you use the c=n/v equation? And how because the problem gives you all the components that are needed to fill out the equation?
When finding the volume of solution, do you use the c=n/v equation? And how because the problem gives you all the components that are needed to fill out the equation?
- Mon Oct 01, 2018 3:06 pm
- Forum: Limiting Reactant Calculations
- Topic: Limiting reagents
- Replies: 12
- Views: 866
Re: Limiting reagents
You can only have one limiting reactant because it limits what product can be produced, so it is not possible to have more than one.
- Mon Oct 01, 2018 3:02 pm
- Forum: Limiting Reactant Calculations
- Topic: Percent yield
- Replies: 10
- Views: 980
Percent yield
when finding the percent yield, is the actual yield always given to you?
- Mon Oct 01, 2018 2:58 pm
- Forum: Accuracy, Precision, Mole, Other Definitions
- Topic: What do the coefficients/subscripts represent [ENDORSED]
- Replies: 7
- Views: 1549
Re: What do the coefficients/subscripts represent [ENDORSED]
The coefficient is called the stoichiometric coefficient and it is what you can change to balance equations, but it also tells you how many moles of a molecule you have. In this example, 4 is the stoichiometric coefficient, so you would have 4 moles.