Search found 12 matches

by haleyf 2I
Fri Mar 11, 2016 6:17 pm
Forum: Concepts & Calculations Using Second Law of Thermodynamics
Topic: Entropy in Expansion
Replies: 2
Views: 402

Re: Entropy in Expansion

I don't think that it would be any different. Because entropy is a state function it is dependent on only the initial and final states and therefore the path taken and work done in the process does not matter.
by haleyf 2I
Mon Feb 29, 2016 8:46 pm
Forum: *Alkenes
Topic: Double bonds
Replies: 1
Views: 286

Re: Double bonds

a functional group would get priority over a double bond.
by haleyf 2I
Sun Feb 28, 2016 7:36 pm
Forum: *Alkenes
Topic: Naming Multiple Double Bonds in a Molecule
Replies: 1
Views: 380

Re: Naming Multiple Double Bonds in a Molecule

It would be 2,3-hexadiene.
by haleyf 2I
Fri Feb 26, 2016 7:42 am
Forum: *Cycloalkanes
Topic: Alphabetical Naming
Replies: 1
Views: 341

Re: Alphabetical Naming

The prefixes iso- and neo- are included in alphabetical ordering (for example, isopropyl would be considered as starting with "I") while sec- and tert- are not (for example, tert-butyl would be considered as starting with "B").
by haleyf 2I
Thu Feb 25, 2016 6:43 pm
Forum: *Alkanes
Topic: Parenthesis around some carbons?
Replies: 2
Views: 390

Re: Parenthesis around some carbons?

Yes it means that the carbon before the parentheses has two methyl substituents attached to it. The parentheses make it easier to read so you can easily see that they are substituents attached at that carbon and not part of the chain.
by haleyf 2I
Thu Feb 25, 2016 6:38 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Oder with respect to a reactant
Replies: 1
Views: 336

Oder with respect to a reactant

Could someone do a quick run-through of the steps needed to find the order of a particular reactant if you're given a table with initial concentrations and reaction rates? I understand that you look for two trials where only the concentration of the desired reactant is changed and the other concentr...
by haleyf 2I
Wed Feb 17, 2016 4:31 pm
Forum: Method of Initial Rates (To Determine n and k)
Topic: Quiz 2 Preparation Q6
Replies: 1
Views: 326

Re: Quiz 2 Preparation Q6

Given the units of the rate constant, you can tell that the reaction is second order. You can then use rate=k[A]^2 to find the initial concentration of the molecule and then use the volume and molecular weight to find the mass of the sample.
by haleyf 2I
Wed Feb 17, 2016 3:52 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: bond enthalpies
Replies: 2
Views: 410

bond enthalpies

If during a reaction a carbon-carbon single bond turns into a carbon-carbon double bond, do you need to break the single bond and then form the double bond in order to calculate the change in enthalpy using bond enthalpies? Or just use the enthalpy of forming a double bond and ignore that there was ...
by haleyf 2I
Mon Feb 08, 2016 3:03 pm
Forum: Reaction Mechanisms, Reaction Profiles
Topic: Overall reaction rate
Replies: 1
Views: 207

Overall reaction rate

Why is the overall rate of reaction equal to just the rate of the slowest step rather than the sum off the rates of each step?
by haleyf 2I
Thu Feb 04, 2016 8:39 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7951
Views: 1367984

Re: Chemistry Jokes

Image
by haleyf 2I
Sun Jan 24, 2016 3:27 pm
Forum: Administrative Questions and Class Announcements
Topic: Workbook Quiz
Replies: 1
Views: 298

Workbook Quiz

Do the workbook quizzes need to be done in pen just like the actual quizzes in class?
by haleyf 2I
Thu Jan 21, 2016 7:59 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7951
Views: 1367984

Re: Chemistry Jokes

Little Willie was a chemist. Little Willie is no more. What he thought was H2O was H2SO4.

Go to advanced search