Search found 34 matches
- Sun Mar 19, 2017 10:23 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
Any jokes about sodium? Na
- Sun Mar 19, 2017 10:22 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
It takes alkynes to make a world.
- Sun Mar 19, 2017 10:21 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
Chemistry puts the "cation" in education
- Sun Mar 19, 2017 10:20 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Slope of Arrhenius Plot [ENDORSED]
- Replies: 4
- Views: 5542
Re: Slope of Arrhenius Plot [ENDORSED]
Yes, the slope will always be negative
- Sun Mar 19, 2017 10:18 pm
- Forum: *Alkenes
- Topic: Cis/ Trans
- Replies: 4
- Views: 4120
Re: Cis/ Trans
As long as both cis and trans are present, the order does not matter
- Sun Mar 19, 2017 10:18 pm
- Forum: Administrative Questions and Class Announcements
- Topic: CHEM 14BL switch
- Replies: 4
- Views: 1004
Re: CHEM 14BL switch
I would suggest going with 14C over 14BL!
- Sun Mar 19, 2017 10:17 pm
- Forum: Second Order Reactions
- Topic: Pre- equilibrium approach [ENDORSED]
- Replies: 3
- Views: 927
Re: Pre- equilibrium approach [ENDORSED]
You do not include the intermediate if it is not in the slowest step
- Sun Mar 19, 2017 10:15 pm
- Forum: Resonance in Organic Compounds
- Topic: writing reaction rate laws [ENDORSED]
- Replies: 4
- Views: 3567
Re: writing reaction rate laws [ENDORSED]
If the catalyst is still present in the rate limiting step, then you should include it in the rate law
- Sun Mar 19, 2017 10:12 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: The answer for the body temperature problem on the final?
- Replies: 2
- Views: 927
Re: The answer for the body temperature problem on the final?
Yes it was question 2C
- Sun Mar 19, 2017 10:12 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Saying Thank You to Dr. Lavelle
- Replies: 490
- Views: 576571
Re: Saying Thank You to Dr. Lavelle
Thank you for all your help Dr. Lavelle!
- Fri Mar 17, 2017 9:38 pm
- Forum: *Cyclohexanes (Chair, Boat, Geometric Isomers)
- Topic: Rapid interconversion of the chair
- Replies: 2
- Views: 767
Re: Rapid interconversion of the chair
Yes, it is necessary to know as I have seen questions on the previous final about drawing out chair flips.
- Fri Mar 17, 2017 9:36 pm
- Forum: *Alkanes
- Topic: Naming [ENDORSED]
- Replies: 93
- Views: 16792
Re: Naming [ENDORSED]
Can someone explain what "sec" is?
- Tue Mar 14, 2017 9:18 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Derivations
- Replies: 4
- Views: 1065
Re: Derivations
Are you sure? Some of the derivations are not specified in the chapter summaries on what we should know.
- Sun Mar 12, 2017 11:19 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
Think like a proton and stay positive!
- Thu Mar 02, 2017 1:01 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Quiz 3 [ENDORSED]
- Replies: 14
- Views: 2019
Re: Quiz 3 [ENDORSED]
My TA also said we should know the difference between nucleophiles vs electrophiles and that we do not need to now functional groups for the quiz.
- Sat Feb 25, 2017 3:09 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Bruincast
- Replies: 26
- Views: 10643
Re: Bruincast
I was unable to attend lecture today and I tried to watch lecture videos on bruincast but there were technical errors or the video just wasn't there. Is anyone else having this problem or is it just me temporarily? Will this be resolved or should I figure out another way to review the lecture? Than...
- Tue Feb 14, 2017 4:43 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
"Oh my gosh! I've lost my neutron"
"It's okay, you can get a new one free of charge"
"It's okay, you can get a new one free of charge"
- Mon Feb 06, 2017 3:24 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Quiz 1
- Replies: 4
- Views: 1193
Re: Quiz 1
Today in class he did say Quiz 1 would be compensated for by not marking off for sig figs and units
- Sun Feb 05, 2017 9:28 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Quiz 1
- Replies: 4
- Views: 1193
Re: Quiz 1
I'm pretty sure the quizzes are not curved, but I think the class will be curved depending on how well the class does.
- Tue Jan 31, 2017 8:40 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: Sig Figs
- Replies: 3
- Views: 870
Sig Figs
For determine the amount of sig figs we use for our answer, do we go with the least amount of sig figs from the numbers in the problem or the most amount of sig figs?
- Thu Jan 26, 2017 8:50 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: Difference between bond enthalpies and standard enthalpies of formation
- Replies: 1
- Views: 635
Difference between bond enthalpies and standard enthalpies of formation
What is the difference between bond enthalpies and standard enthalpy of formation?
- Fri Jan 20, 2017 3:55 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
Love is in the air. Wrong; Nitrogen, Oxygen, Argon, and Carbon Dioxide are in the air.
- Fri Jan 20, 2017 3:54 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
The name's bond...Hydrogen bond.
- Fri Jan 20, 2017 3:53 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
A cation is an ion with a paws-itive charge
- Tue Nov 29, 2016 9:21 pm
- Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
- Topic: 12.61
- Replies: 4
- Views: 1282
Re: 12.61
How do we find percentage of protonation of solute?
- Sat Nov 26, 2016 8:26 pm
- Forum: Acidity & Basicity Constants and The Conjugate Seesaw
- Topic: Can you classify acids as strong or weak from their formulas alone? [ENDORSED]
- Replies: 7
- Views: 1746
Re: Can you classify acids as strong or weak from their formulas alone? [ENDORSED]
So does that mean for any acid or base that has a K value, we can disregard the subtracted "x" from the reactants when setting up the equilibrium formula?
- Mon Nov 14, 2016 8:48 pm
- Forum: Naming
- Topic: Quiz 3 Prep 2 # 2
- Replies: 3
- Views: 945
Re: Quiz 3 Prep 2 # 2
Why is the second question of number 5 of the Quiz 3 prep have an ion at the end?
- Thu Nov 10, 2016 12:01 am
- Forum: Naming
- Topic: Oxidation Number
- Replies: 3
- Views: 800
Re: Oxidation Number
Would we have to memorize the charges for all ligands?
- Sat Nov 05, 2016 7:05 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
Chemistry jokes are sodium funny!
- Sat Oct 29, 2016 1:10 pm
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 3666625
Re: Post All Chemistry Jokes Here
Optimist: The glass is half full
Pessimist: The glass is half empty
Chemist: The glass contains 50% H2O (l), 39% N2 (g), 10.5% O2 (g), .44% Ar (g), .06% CO2 (g)
Pessimist: The glass is half empty
Chemist: The glass contains 50% H2O (l), 39% N2 (g), 10.5% O2 (g), .44% Ar (g), .06% CO2 (g)
- Sat Oct 29, 2016 1:03 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: What would be the shape of Ethyne?
- Replies: 1
- Views: 1809
Re: What would be the shape of Ethyne?
This is because ethyne has a triple bond between the carbon atoms and a single bond with each hydrogen and carbon, producing a linear shape.
- Sat Oct 29, 2016 12:53 pm
- Forum: Sigma & Pi Bonds
- Topic: Double Bonds [ENDORSED]
- Replies: 2
- Views: 738
Re: Double Bonds [ENDORSED]
No, a double bond will always have only one sigma and one pi bond; there will never be more or less for a double bond.
- Wed Oct 05, 2016 5:44 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Calculators [ENDORSED]
- Replies: 7
- Views: 1561
Re: Calculators [ENDORSED]
Sorry if this is redundant, but I just want to make sure that all TI calculators are not allowed for any quizzes or exams?
- Wed Sep 28, 2016 10:25 pm
- Forum: General Science Questions
- Topic: Mass of an electron
- Replies: 3
- Views: 1256
Photoelectric Experiment
Does anyone know the difference between binding energy and threshold energy?