CHEMISTRY COMMUNITY

Bronson_Barretto_2C

I don't think you're able to identify the exact type of strain. The Newman Projection is just a theoretical representation from a viewpoint against a carbon-carbon bond, so the strain visualized might not be entirely correct. If we had to define a strain on the final, I think we would have to be giv...

Bronson_Barretto_2C

Does anyone know which questions, or range of questions, in the textbook cover the material we need to know for Quiz 3 before the "Thermodynamics and Kinetics of Organic Reactions section? Thank you in advance..

Bronson_Barretto_2C

What do the numbers represent? The numbers are used to represent which Carbon in the parent chain the substituent is attached to. For example, in 4-methyl-octane, the methyl substituent is attached to the 4th carbon in the octane parent chain. Counting carbons from the left, you will get that the s...

Bronson_Barretto_2C

Usually, the question itself will give it away. For general reaction rate, you only need 2 concentrations (final and initial) and 2 times (final and initial). With integrated rate laws, variables such as the rate constant will be needed to solve. So basically, the question itself will give certain v...

Bronson_Barretto_2C

I'm super confused by the radioactive decay example on page 65 of the course reader. Is this page just an example of a radioactive decay and its units or will we need to know all of its contents for Quiz 2?

Bronson_Barretto_2C

I think Professor Lavelle went over this in class a couple lectures ago, but basically the reaction of diamond diminishing to graphite is a favorable process; and as such is spontaneous. The reason its almost physically impossible to occur at standard temperature and pressure is due to the reaction'...

Bronson_Barretto_2C

Can someone explain to me reduction and oxidation in the example Lavelle used in lecture I'm a little confused. So in the course reader on page 47 it says: Fe^3+(aq) + Cu(s)---------> Cu^2+(aq) + Fe^2+ (aq) Which one is oxidized and which one is reduced? Because i was rewatching the lecture and I g...

Bronson_Barretto_2C

Can someone please explain why #8 is "no temperature"? The reasoning is based on the chart (pg. 37 in the course reader) Dr. Lavelle presented in lecture that according to the +/- values of ∆H and ∆S, we can assume the +/- of ∆G, negative being spontaneous and positive being non-spontaneo...

Bronson_Barretto_2C

So I understand that since ∆H is positive and ∆S is negative= non-spontaneous ∆G, but for this question in particular do we show all this work and then say it's non-spontaneous or just write down non-spontaneous as an answer right off the bat?

Bronson_Barretto_2C

Since Dr. Lavelle mentioned it in lecture and assumes we've all had experience taking derivatives and finding integrals, I'd say we will probably need to do one of the two or even both on a quiz/exam. But I don't think he'd give us any tedious or over-complicated problems. I hope this helps, if anyt...

Bronson_Barretto_2C

Yes, I also saw that Iodine crystals and water are popular sources of sublimation. I also searched up naphtalene and it appears to be a a natural substance found in mothballs that starts as a solid and sublimates into a toxic gas. This gas has proven to kill insects and repel certain animals, and as...

CHEMISTRY COMMUNITY

Search found 11 matches

Re: Identifying Strain

Practice Problems for Quiz #3

Re: Naming [ENDORSED]

Re: Finding K

Confusion in Course Reader, Page 65

Re: Course Reader Example

Re: Reduction and Oxidation [ENDORSED]

Re: Quiz 1 Preparation Answers

Re: Quiz 1 Prep, #8

Re: Course Reader clarification [ENDORSED]

Re: Other examples of elements which go through sublimation