Search found 13 matches
Re: Numbering
The way I see it is that we should strive to have the longest carbon chain. Also you want the first number to be the lowest I think. So if you have a 2 or 4-methyl and a 2 or 4-ethyl on a pentane, you would write 2-ethyl-4methylpentane.
- Mon Mar 13, 2017 11:32 am
- Forum: *Alkanes
- Topic: Reaction Profiles
- Replies: 3
- Views: 697
Re: Reaction Profiles
It's also helpful to remember that if a lot of bonds are broken, or a very strong bond is broken, theres a higher chance it's endergonic since it absorbs a lot of energy to break that bond. Therefore the products would be above the reactants.
- Sun Mar 05, 2017 10:54 pm
- Forum: *Alkanes
- Topic: Naming Organic Molecules
- Replies: 5
- Views: 1054
Re: Naming Organic Molecules
Also to add on to the last comment, I believe you can only make one bend in order to get the longest chain.
- Mon Feb 27, 2017 10:11 pm
- Forum: *Organic Reaction Mechanisms in General
- Topic: Naming Organic Molecules
- Replies: 20
- Views: 4062
Re: Naming Organic Molecules
http://www.chem.uiuc.edu/GenChemReferen ... rules.html
This website is really helpful!
This website is really helpful!
- Sun Feb 19, 2017 11:07 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Kinetic
- Replies: 3
- Views: 731
Re: Kinetic
I believe you use the slower rate, because a reaction will only go as fast as its slow rate. I would fact check what I said though.
- Sun Feb 19, 2017 11:06 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Kinetic
- Replies: 3
- Views: 731
Re: Kinetic
I believe you use the slower rate, because a reaction will only go as fast as its slow rate. I would fact check what I said though.
- Sat Feb 11, 2017 10:15 pm
- Forum: Balancing Redox Reactions
- Topic: Midterm 2013, Q7
- Replies: 5
- Views: 983
Re: Midterm 2013, Q7
Okay, I think I understand now. With all of the logic provided, I think I will be able to figure it out during the midterm. Thank you all :]
- Sat Feb 11, 2017 9:55 pm
- Forum: Balancing Redox Reactions
- Topic: Midterm 2013, Q7
- Replies: 5
- Views: 983
Midterm 2013, Q7
Q7 "Calculate K and dG at 298K for the following redox reaction. Hint: Identify the two half-reactions and show a balanced equation to receive full credit Mn^2+aq + Br2(l) ----> MnO4^-aq + Br^-(aq) The question gives us the half reactions for MnO4 and Br2 and adds them up, but flips the half re...
- Sun Feb 05, 2017 9:43 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Anode/Cathode
- Replies: 4
- Views: 751
Re: Anode/Cathode
The way I see a salt bridge's purpose is to keep the anode from shrinking too much, since it is always giving electrons to the cathode. (Check other sources to make sure I am right though). The salt bridge maintains neutrality and allows the reaction to keep going. On the anode side it keeps it from...
- Sun Jan 29, 2017 8:16 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Quiz 1 Prep Question
- Replies: 1
- Views: 471
Re: Quiz 1 Prep Question
It just had 5kj to begin with, Luigi. The plus was probably there to mark it's existence, because a negative sign would make you think that 5kj were removed. Cheers.
- Sun Jan 22, 2017 8:58 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Reference to Dr. Lavelle's lecture notes
- Replies: 2
- Views: 651
Re: Reference to Dr. Lavelle's lecture notes
I believe this can happen because the energy will just be transferred into a different form, and very slowly. The entropy will increase. I think a good example of this is the expansion and explosion of stars into supernovas.
- Sun Jan 15, 2017 10:59 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Heat Capacity
- Replies: 8
- Views: 1009
Re: Heat Capacity
I think that a lower heat capacity means that it can reach a certain temperature without needing as much heat. Therefore something with a high heat capacity would need more heat to reach the same temperature, and that would take a longer time. That is my reasoning for why the slope of a heating curv...
- Sun Jan 15, 2017 10:47 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Heat Capacity
- Replies: 8
- Views: 1009
Re: Heat Capacity
I believe this is because it is able to heat up at a faster rate.