Search found 25 matches

by J_Rodriguez_Dis2k
Sun Mar 12, 2017 10:26 pm
Forum: *Ethers
Topic: Figuring out if it is an ether
Replies: 2
Views: 564

Figuring out if it is an ether

how can i tell me its an either or if it is a ketone
by J_Rodriguez_Dis2k
Sat Mar 04, 2017 7:25 pm
Forum: *Free Energy of Activation vs Activation Energy
Topic: Activation energy [ENDORSED]
Replies: 1
Views: 433

Activation energy [ENDORSED]

Can someone please explain to me how the activation energy is also known as the Gibbs free energy of activation ?
by J_Rodriguez_Dis2k
Sun Feb 19, 2017 10:20 pm
Forum: Kinetics vs. Thermodynamics Controlling a Reaction
Topic: Kinetic
Replies: 3
Views: 353

Kinetic

How do I know what reaction rate to use ?
by J_Rodriguez_Dis2k
Sun Feb 12, 2017 9:00 pm
Forum: Balancing Redox Reactions
Topic: Review from 14a
Replies: 2
Views: 231

Review from 14a

how do we find the concentration of K or Q again ?
by J_Rodriguez_Dis2k
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: 198

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 ?
by J_Rodriguez_Dis2k
Thu Feb 02, 2017 3:33 pm
Forum: Administrative Questions and Class Announcements
Topic: Quiz 1 Preparations
Replies: 1
Views: 299

Quiz 1 Preparations

I do not have the most recent course reader. Can anyone please post a picture of quiz 1 preparation.
by J_Rodriguez_Dis2k
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: 542

Hess's Law

what are your guys approach to Hess's law ?
by J_Rodriguez_Dis2k
Sun Jan 22, 2017 8:59 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: open system
Replies: 2
Views: 303

open system

Can anyone please explain to me why how an open system can still be used to calculate a change in volume ?
by J_Rodriguez_Dis2k
Wed Jan 18, 2017 3:50 pm
Forum: Administrative Questions and Class Announcements
Topic: Discussion switch
Replies: 1
Views: 227

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.
by J_Rodriguez_Dis2k
Sun Feb 21, 2016 7:40 pm
Forum: Zero Order Reactions
Topic: Zero order
Replies: 5
Views: 641

Zero order

if a reactant is a zero order does it effect the overall rate of the reaction?
by J_Rodriguez_Dis2k
Sun Feb 14, 2016 7:57 pm
Forum: Zero Order Reactions
Topic: Order
Replies: 1
Views: 364

Order

What do the order mean ? What are the significance of the orders ?
by J_Rodriguez_Dis2k
Sun Feb 07, 2016 8:50 pm
Forum: Balancing Redox Reactions
Topic: Balancing Redox Reactions
Replies: 1
Views: 216

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.
by J_Rodriguez_Dis2k
Sun Jan 31, 2016 12:46 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: The laws of thermodynamics
Replies: 2
Views: 392

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.
by J_Rodriguez_Dis2k
Sun Jan 17, 2016 10:11 am
Forum: Thermodynamic Systems (Open, Closed, Isolated)
Topic: Systems
Replies: 1
Views: 267

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 ?
by J_Rodriguez_Dis2k
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: 270

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 ?
by J_Rodriguez_Dis2k
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: 807

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?
by J_Rodriguez_Dis2k
Fri Nov 27, 2015 10:28 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Quiz#3
Replies: 1
Views: 230

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?
by J_Rodriguez_Dis2k
Thu Nov 19, 2015 4:02 pm
Forum: Ideal Gases
Topic: Reading the textbook [ENDORSED]
Replies: 129
Views: 75224

Reading the textbook [ENDORSED]

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?
by J_Rodriguez_Dis2k
Fri Nov 13, 2015 4:46 pm
Forum: Naming
Topic: Tips for naming compounds
Replies: 1
Views: 276

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.
by J_Rodriguez_Dis2k
Sun Nov 08, 2015 4:10 pm
Forum: Student Social/Study Group
Topic: Final preparations
Replies: 1
Views: 484

Final preparations

Now that we finish our midterm. What do you think is that best way to get prepare for the final.
by J_Rodriguez_Dis2k
Sun Nov 01, 2015 2:46 pm
Forum: Balancing Chemical Reactions
Topic: Balancing Equations
Replies: 2
Views: 417

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.
by J_Rodriguez_Dis2k
Sun Oct 25, 2015 3:53 pm
Forum: Resonance Structures
Topic: Polar Charges
Replies: 1
Views: 248

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 ?
by J_Rodriguez_Dis2k
Sun Oct 18, 2015 2:18 pm
Forum: Student Social/Study Group
Topic: Exams
Replies: 1
Views: 531

Exams

I had trouble with the first exam. What help everyone the most preparing for the quiz? Any study tips ?
by J_Rodriguez_Dis2k
Fri Oct 09, 2015 6:34 pm
Forum: Student Social/Study Group
Topic: Conversions
Replies: 1
Views: 431

Conversions

Does anyone have a good method to memorize conversions?
by J_Rodriguez_Dis2k
Fri Oct 02, 2015 8:19 pm
Forum: SI Units, Unit Conversions
Topic: Grams to Mol
Replies: 3
Views: 799

Grams to Mol

I have trouble understanding where do I get the grams when I am converting grams to mol.

Go to advanced search