Search found 25 matches
- Sun Mar 12, 2017 10:26 pm
- Forum: *Ethers
- Topic: Figuring out if it is an ether
- Replies: 2
- Views: 1493
Figuring out if it is an ether
how can i tell me its an either or if it is a ketone
- Sat Mar 04, 2017 7:25 pm
- Forum: *Free Energy of Activation vs Activation Energy
- Topic: Activation energy [ENDORSED]
- Replies: 1
- Views: 845
Activation energy [ENDORSED]
Can someone please explain to me how the activation energy is also known as the Gibbs free energy of activation ?
- Sun Feb 19, 2017 10:20 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Kinetic
- Replies: 3
- Views: 738
Kinetic
How do I know what reaction rate to use ?
- Sun Feb 12, 2017 9:00 pm
- Forum: Balancing Redox Reactions
- Topic: Review from 14a
- Replies: 2
- Views: 530
Review from 14a
how do we find the concentration of K or Q again ?
- Sun Feb 05, 2017 9:52 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Bond enthalpies
- Replies: 1
- Views: 393
Bond enthalpies
If you do not know the structure of the chemical is there any other way can you figure out how to do the problem ?
- Thu Feb 02, 2017 3:33 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Quiz 1 Preparations
- Replies: 1
- Views: 489
Quiz 1 Preparations
I do not have the most recent course reader. Can anyone please post a picture of quiz 1 preparation.
- Sun Jan 29, 2017 10:17 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Hess's Law
- Replies: 4
- Views: 1000
Hess's Law
what are your guys approach to Hess's law ?
- Sun Jan 22, 2017 8:59 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: open system
- Replies: 2
- Views: 776
open system
Can anyone please explain to me why how an open system can still be used to calculate a change in volume ?
- Wed Jan 18, 2017 3:50 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Discussion switch
- Replies: 1
- Views: 466
Discussion switch
Im currently enrolled in Discussion 2k (12-1250 Friday) however i have a time conflict. Would anyone like to switch with me i can only switch to a discussion on Thursday 9-950.
- Sun Feb 21, 2016 7:40 pm
- Forum: Zero Order Reactions
- Topic: Zero order
- Replies: 5
- Views: 1239
Zero order
if a reactant is a zero order does it effect the overall rate of the reaction?
- Sun Feb 14, 2016 7:57 pm
- Forum: Zero Order Reactions
- Topic: Order
- Replies: 1
- Views: 630
Order
What do the order mean ? What are the significance of the orders ?
- Sun Feb 07, 2016 8:50 pm
- Forum: Balancing Redox Reactions
- Topic: Balancing Redox Reactions
- Replies: 1
- Views: 432
Balancing Redox Reactions
i am very lost trying to balance these equations. Can anyone give a simple method of trying to balance equations like these.
- Sun Jan 31, 2016 12:46 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: The laws of thermodynamics
- Replies: 2
- Views: 885
The laws of thermodynamics
I'm very confused about the laws of thermodynamics. Can someone please explain to me what are the three laws regarding thermodynamics.
- Sun Jan 17, 2016 10:11 am
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Systems
- Replies: 1
- Views: 484
Systems
I have a few questions involving systems. What are the significance involving systems and can you please tell me each of the way these systems can be heated ?
- Sat Jan 09, 2016 11:48 am
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Bond formation and Bond breaking
- Replies: 1
- Views: 606
Bond formation and Bond breaking
I am wondering why the bond breaking goes first in the equation if its usually final then initial. Isn't the bond breaking initial and the bond creation final. So why is the bond breaking in the place of the final product ?
- Fri Dec 04, 2015 1:53 pm
- Forum: Properties & Structures of Inorganic & Organic Acids
- Topic: How do I know if an acid is weak
- Replies: 3
- Views: 1217
How do I know if an acid is weak
While i was doing the homework, some of the acid i did not know whether the acid was either strong or weak. How can i know for sure if an acid is either weak or strong?
- Fri Nov 27, 2015 10:28 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Quiz#3
- Replies: 1
- Views: 436
Quiz#3
During the quiz i felt that i didn't have much time of answering the questions. Did you guys have a tip so i can better manage my time?
- Thu Nov 19, 2015 4:02 pm
- Forum: Ideal Gases
- Topic: Reading the textbook
- Replies: 262
- Views: 148187
Reading the textbook
I know that in the course reader it says to read chapter 5 for a review for gases. But every time i try reading the textbook i get intimidated and i stop reading the textbook . Do you guys find it more helpful when you guys read the textbook?
- Fri Nov 13, 2015 4:46 pm
- Forum: Naming
- Topic: Tips for naming compounds
- Replies: 1
- Views: 926
Tips for naming compounds
I find it hard trying to figure out the names of compounds. Is there a tip in which i can use to help me name a compound.
- Sun Nov 08, 2015 4:10 pm
- Forum: Student Social/Study Group
- Topic: Final preparations
- Replies: 1
- Views: 713
Final preparations
Now that we finish our midterm. What do you think is that best way to get prepare for the final.
- Sun Nov 01, 2015 2:46 pm
- Forum: Balancing Chemical Reactions
- Topic: Balancing Equations
- Replies: 2
- Views: 674
Balancing Equations
Im having trouble with balancing equations. How can i make sure that my end result is the correct answer. I tend to get lost at the end because i do not know how can i check if both equations have the same number of molecules.
- Sun Oct 25, 2015 3:53 pm
- Forum: Resonance Structures
- Topic: Polar Charges
- Replies: 1
- Views: 474
Polar Charges
In the upcoming quiz, are we expected to draw the polar arrows in the lewis structure? or state if it's polar or non polar ?
- Sun Oct 18, 2015 2:18 pm
- Forum: Student Social/Study Group
- Topic: Exams
- Replies: 1
- Views: 876
Exams
I had trouble with the first exam. What help everyone the most preparing for the quiz? Any study tips ?
- Fri Oct 09, 2015 6:34 pm
- Forum: Student Social/Study Group
- Topic: Conversions
- Replies: 1
- Views: 678
Conversions
Does anyone have a good method to memorize conversions?
- Fri Oct 02, 2015 8:19 pm
- Forum: SI Units, Unit Conversions
- Topic: Grams to Mol
- Replies: 3
- Views: 1390
Grams to Mol
I have trouble understanding where do I get the grams when I am converting grams to mol.