CHEMISTRY COMMUNITY

Preet_Bains_1D

Ethan_Kato_1D wrote:For number 5, how are there 2 intermediates?

Look in the course reader on page 84 and 85. It has an example of the same mechanism.

Preet_Bains_1D

304751905 wrote:for #1, why do we need "iso" in front of propyl? wouldn't the 4- signify the branching?

The "iso" signifies that it is CH(CH3)2 instead of CH2CH2CH3. If the substituent was CH2CH2CH3 then the answer would be 4-propyldecane.

Preet_Bains_1D

No problem :)

Preet_Bains_1D

Here are two videos I found on Youtube that helped me to further understand REDOX Reactions and Electrochemistry: REDOX: https://www.youtube.com/watch?v=lQ6FBA1HM3s ELECTROCHEMISTRY: https://www.youtube.com/watch?v=IV4IUsholjg I also noticed these videos are really useful to watch the day before a t...

Preet_Bains_1D

No problem :)

Preet_Bains_1D

I get it now. Thank you Dr. Lavelle.

Preet_Bains_1D

I noticed Dr. Lavelle used the LEO device but I found another one in a YouTube video more useful:

OILRIG
OIL = Oxidation is Loss....(of electrons)
RIG = Reduction is Gain....(of electrons)

Hope this helps :)

Preet_Bains_1D

I find it best if I use the laminated sheet for formulas and clip it up somewhere or attach it to a clipboard and prop that up so that it doesn't take up too much space on my desk and I can always just look up at it for reference instead of trying to find it in on my desk.

Preet_Bains_1D

Hello, I was wondering if anyone knew whether, in the graphic on page 45 on the course reader, or not there was Copper dissolved in the solution in which the cathode is immersed. Or is only the cathode made of Copper? Or both? Thanks in advance! :)

Preet_Bains_1D

Didn't the question state pentaamminebromocobalt (III)? So it should be neutral. But from what I understand, the questions will not always have the word "ion" after the compound so you just have to use intuition. But also my TA said that if we are asked to name a compound on the quiz from ...

Preet_Bains_1D

You're totally correct but just to add to that, if the compound is cis- then the same elements on the same side can bind in two places to the Lewis Acid versus only one being able to form a coordinate covalent bound if the molecule was trans-.

Preet_Bains_1D

It will remain at equilibrium unless some condition of the reaction is changed. For example, if the temperature or pressure is changed then the reaction will move in a certain direction and the same will happen if the concentrations of the reactants or products are changed.

Preet_Bains_1D

viewtopic.php?f=30&t=16106#top
Lavelle's last response will help you.

Preet_Bains_1D

What element is a girl's future best friend?
Carbon lolololololol

Preet_Bains_1D

All of the answers are in the correct sig figs except #4 on the Fall 2015 Answers. It says the answer is 3.6x10^(-19) J when the answer should be 3.61x10^(-19) J.

Preet_Bains_1D

What did the Samsung engineers learn about right before making the Galaxy Note 7?

Spontaneous Combustion

Preet_Bains_1D

It's covering up to where your lecture left off on the on before the last lecture.

Preet_Bains_1D

From what I understand, the magnetic quantum number is the range between positive "l" and negative "l" so that's why the magnetic quantum numbers for l=1 are -1,0,1. Another example would be for when l=2, the magnetic quantum number would be -2,-1,0,1,2. Hope that helps.

Preet_Bains_1D

niceeeeeeeee, good explanation too

Preet_Bains_1D

I think you're supposed to determine what "M" is since they're not specifying the metal using the molar mass they gave to you and then work from there but I don't know either where they're getting "sulfide", sorry.

Preet_Bains_1D

Could you post a picture of it?

Preet_Bains_1D

Since there is a specific ratio between, for example, two reactants for the reaction, only a certain amount of Reactant A will be used in respect to Reactant B so whichever one "runs out" first is limiting the reaction because no more of it is available and the one remaining is in excess. ...

CHEMISTRY COMMUNITY

Search found 22 matches

Re: Quiz 3 Winter 2017

Re: Quiz 3 Winter 2017

Re: Extra YouTube Help

Extra YouTube Help

Re: Pneumonic Device

Re: Galvanic Cell

Pneumonic Device

Re: Formulas

Galvanic Cell

Re: Quiz 3 preparation - Fall 2015

Re: Cis- versus Trans-

Re: Chemical equilibrium

Re: Lewis Structure of Ionic vs. Covalent

Re: Post All Chemistry Jokes Here

Re: Workbook Prep Quiz Answers

Re: Post All Chemistry Jokes Here

Re: Up to which topic will the first quiz cover? [ENDORSED]

Re: Magnetic Quantum Number [ENDORSED]

Re: Review Principles question E15

Re: Review Principles question E15

Re: Review Principles question E15

Re: Mass Always Equal?