Search found 68 matches
- Thu Mar 14, 2019 5:52 pm
- Forum: General Rate Laws
- Topic: Questions with different Experiments
- Replies: 1
- Views: 194
Questions with different Experiments
When trying to find the rate law of a table with different experiments, how do you know which experiments to use?
- Mon Mar 11, 2019 11:11 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Intermediates
- Replies: 3
- Views: 351
Intermediates
How are we able to determine the intermediate of a chemical reaction when finding the rate law?
- Mon Mar 11, 2019 11:07 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Molecularity
- Replies: 2
- Views: 243
Molecularity
Do we need to know how to recognize the different molecularity in different reactions for the final?
- Mon Mar 11, 2019 11:03 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Using Quadratic Formula
- Replies: 2
- Views: 270
Re: Using Quadratic Formula
Oh okay. Thank you!
- Mon Mar 11, 2019 11:03 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Graphing the Reactions Profiles
- Replies: 2
- Views: 281
Graphing the Reactions Profiles
Do we need to know how to label the graphs of different reactions for the final?
- Mon Mar 11, 2019 11:01 pm
- Forum: Student Social/Study Group
- Topic: Studying for the Final
- Replies: 25
- Views: 2578
Studying for the Final
How are you guys studying for the final? Are you guys going over the homework questions and midterm?
- Mon Mar 11, 2019 11:00 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Using Quadratic Formula
- Replies: 2
- Views: 270
Using Quadratic Formula
When we are asked to find the concentration of different reactions and when they state do not use approximation, are we suppose to use the quadratic formula to find a non approximation answer?
- Tue Mar 05, 2019 12:40 pm
- Forum: First Order Reactions
- Topic: Integrating
- Replies: 3
- Views: 372
Integrating
Are we going to have to know how to integrate the equations with derivatives in them?
- Tue Mar 05, 2019 12:38 pm
- Forum: Method of Initial Rates (To Determine n and k)
- Topic: Units
- Replies: 4
- Views: 409
Units
What are the units of the zero, first and second order?
- Tue Mar 05, 2019 12:35 pm
- Forum: General Rate Laws
- Topic: Table with different Concentration
- Replies: 4
- Views: 411
Table with different Concentration
Are we going to be asked on the final exam on how to write a rate law for a table with different concentrations and rates like he went over in class?
- Wed Feb 27, 2019 12:56 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: HW 6th edition 14.29
- Replies: 2
- Views: 206
HW 6th edition 14.29
My question for this homework problem is how do they know which one is the anode or cathode?
- Sun Feb 24, 2019 7:24 pm
- Forum: Student Social/Study Group
- Topic: Final
- Replies: 24
- Views: 2021
Final
Do the final review sessions start week 10?
- Sun Feb 24, 2019 7:23 pm
- Forum: Student Social/Study Group
- Topic: Test
- Replies: 17
- Views: 1465
Re: Test
The test isn't cumulative its everything from week 6 and 7 topics
- Sun Feb 24, 2019 7:21 pm
- Forum: Student Social/Study Group
- Topic: How are you guys going to study for Test 2?
- Replies: 10
- Views: 915
Re: How are you guys going to study for Test 2?
I try to do all the homework problems with the Constant and Equation worksheet.
- Sun Feb 24, 2019 7:20 pm
- Forum: Student Social/Study Group
- Topic: Test #2
- Replies: 7
- Views: 634
Test #2
What topic are you guys going to study on more for this second test?
- Sat Feb 23, 2019 4:18 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Galvanic Cell Diagram
- Replies: 6
- Views: 527
Galvanic Cell Diagram
Do we need to know how to draw the diagram for either Test 2 or the final?
- Sat Feb 23, 2019 4:17 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Galvanic Cell Diagram
- Replies: 3
- Views: 388
Galvanic Cell Diagram
Do we need to know how to draw the diagram for either Test 2 or the final?
- Sat Feb 23, 2019 4:03 pm
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Units
- Replies: 4
- Views: 334
Units
What are the units for Gibbs?
- Sat Feb 23, 2019 3:42 pm
- Forum: Phase Changes & Related Calculations
- Topic: Phase Changes
- Replies: 3
- Views: 347
Phase Changes
What equation is used for phases changes?
- Sat Feb 23, 2019 3:39 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Closed vs Isolated
- Replies: 5
- Views: 1134
Closed vs Isolated
What are some examples of closed and isolated systems?
- Sat Feb 23, 2019 3:36 pm
- Forum: Van't Hoff Equation
- Topic: Van't Hoff Equation
- Replies: 2
- Views: 563
Van't Hoff Equation
Will we need to know the Van't Hoff equation for Test number 2 this week?
- Tue Feb 12, 2019 9:34 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Letter Q
- Replies: 2
- Views: 247
Letter Q
Is the variable q in the internal energy heat?
- Thu Feb 07, 2019 3:00 pm
- Forum: Student Social/Study Group
- Topic: Thermodynamics Outline
- Replies: 2
- Views: 262
Re: Thermodynamics Outline
Yea but for the last outline, we haven't learned some of the topics. So, I was wondering if we are going to be tested on it?
- Wed Feb 06, 2019 9:58 pm
- Forum: Ideal Gases
- Topic: Lyndon's review session
- Replies: 7
- Views: 781
Re: Lyndon's review session
it's on Monday from 7-10pm
- Wed Feb 06, 2019 9:55 pm
- Forum: Student Social/Study Group
- Topic: Unit Conversion for Temp
- Replies: 2
- Views: 290
Unit Conversion for Temp
Do you always have to covert your temperature units the K all the time?
- Wed Feb 06, 2019 9:33 pm
- Forum: Student Social/Study Group
- Topic: Thermodynamics Outline
- Replies: 2
- Views: 262
Thermodynamics Outline
Does anyone know until what question we should worry about in the outline for the midterm?
- Thu Jan 24, 2019 2:48 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: State Properties
- Replies: 6
- Views: 438
State Properties
Why isn't heat and work not a state property?
- Thu Jan 24, 2019 2:46 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Test 1
- Replies: 8
- Views: 729
Re: Test 1
No the exam I feel is more weak acids and bases.
- Thu Jan 24, 2019 2:43 pm
- Forum: Student Social/Study Group
- Topic: ICE Table
- Replies: 6
- Views: 442
Re: ICE Table
So if they give me a Ka value it is most likely an ice table problem?
- Sat Jan 19, 2019 2:38 pm
- Forum: Student Social/Study Group
- Topic: ICE Table
- Replies: 6
- Views: 442
ICE Table
Is their a way you can figure out you need to use an ICE table for the problem?
- Sat Jan 19, 2019 2:28 pm
- Forum: Administrative Questions and Class Announcements
- Topic: 3 Chemistry Community Posts Deadline
- Replies: 2
- Views: 206
Re: 3 Chemistry Community Posts Deadline
Last quarter I did mine in different order and I recieved the full points for it. So the answer is no.
- Thu Jan 17, 2019 12:32 pm
- Forum: Student Social/Study Group
- Topic: Test #1
- Replies: 1
- Views: 210
Test #1
How do you know when to use partial pressure in an equilibrium equation?
- Thu Jan 17, 2019 12:25 pm
- Forum: Student Social/Study Group
- Topic: Equations
- Replies: 1
- Views: 382
Equations
Are we going to need to remember the quadratic formula?
- Thu Jan 17, 2019 12:19 pm
- Forum: Student Social/Study Group
- Topic: ICE Table
- Replies: 5
- Views: 505
ICE Table
When doing ICE Table are we able to ignore the x that is in the denominator? and when is it only possible?
- Sat Dec 08, 2018 2:27 pm
- Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
- Topic: Calculation Concentration
- Replies: 1
- Views: 156
Calculation Concentration
How do we calculate the concentration of an acid or base?
- Mon Dec 03, 2018 12:13 am
- Forum: Ionic & Covalent Bonds
- Topic: Bond Lengths
- Replies: 5
- Views: 1226
Bond Lengths
How do you figure our the bond lengths of a structure?
- Mon Dec 03, 2018 12:12 am
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Orbitals
- Replies: 3
- Views: 600
Orbitals
Have people memorized the different values that come with the different orbitals? or is their a different way?
- Mon Dec 03, 2018 12:10 am
- Forum: Administrative Questions and Class Announcements
- Topic: Final Grades
- Replies: 10
- Views: 1010
Re: Final Grades
You just need 250 points to pass the class. But a 70% is still a C and on.
- Mon Dec 03, 2018 12:08 am
- Forum: Naming
- Topic: Naming the Shape
- Replies: 6
- Views: 570
Naming the Shape
What is an easy way to find the charge of the molecule within the compound without drawing the structure?
- Thu Nov 29, 2018 10:21 am
- Forum: Student Social/Study Group
- Topic: Attending Different Lecture
- Replies: 1
- Views: 396
Attending Different Lecture
Can we attend an earlier lecture or are they all in a different pace?
- Mon Nov 26, 2018 1:20 am
- Forum: Student Social/Study Group
- Topic: 4.21 Part c 6th edition
- Replies: 1
- Views: 248
4.21 Part c 6th edition
The answer key has two different lewis structures. I got the second one but not the first one. Do we always have to draw both of them out?
- Sat Nov 24, 2018 6:17 pm
- Forum: Sigma & Pi Bonds
- Topic: Sigma and Pi bonds
- Replies: 5
- Views: 371
Sigma and Pi bonds
Does anyone have an idea of how they would ask us about sigma and pi bond on our test?
- Sat Nov 24, 2018 6:14 pm
- Forum: Hybridization
- Topic: Hybridization
- Replies: 1
- Views: 164
Hybridization
What is an easy way to figure out the hybridization?
- Sat Nov 24, 2018 6:13 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Naming the Shape
- Replies: 16
- Views: 1147
Re: Naming the Shape
Thank you for the links.
- Mon Nov 19, 2018 12:01 am
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Naming the Shape
- Replies: 16
- Views: 1147
Naming the Shape
What is one way it is easy to remember the different shape names for Lewis structure?
- Wed Nov 14, 2018 8:02 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Grades
- Replies: 7
- Views: 813
Grades
In the syllubus is says that you need 50% to get a c- or higher. Does that mean you need 250/500 points to pass the class?
- Fri Nov 09, 2018 9:52 pm
- Forum: *Shrodinger Equation
- Topic: Shrodinger Equation
- Replies: 2
- Views: 458
Shrodinger Equation
Why is it important to know about the Shrodinger equation?
- Fri Nov 09, 2018 9:49 pm
- Forum: *Shrodinger Equation
- Topic: Shrodinger Equation
- Replies: 4
- Views: 776
Shrodinger Equation
Why is it important to know about the Shrodinger equation?
- Fri Nov 09, 2018 9:48 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Naming the shape
- Replies: 6
- Views: 610
Naming the shape
How many different shapes are their?
- Fri Nov 09, 2018 9:45 pm
- Forum: Lewis Structures
- Topic: Lewis Structure
- Replies: 10
- Views: 769
Lewis Structure
What is this easiest way to draw balanced lewis structure?
- Sun Nov 04, 2018 11:10 pm
- Forum: SI Units, Unit Conversions
- Topic: Hz
- Replies: 2
- Views: 336
Hz
What is the conversion for Hz?
- Sat Nov 03, 2018 2:14 pm
- Forum: Student Social/Study Group
- Topic: Orbitals
- Replies: 2
- Views: 245
Orbitals
What is the easiest way to remember the different orbitals and ml?
- Sat Nov 03, 2018 2:13 pm
- Forum: Lewis Structures
- Topic: Stable
- Replies: 2
- Views: 305
Stable
What is the charge that the structure need to have to be the most stable?
- Sat Nov 03, 2018 2:10 pm
- Forum: Student Social/Study Group
- Topic: Studying
- Replies: 7
- Views: 860
Studying
What are some ways you guys ar studying for the midterm?
- Mon Oct 29, 2018 2:08 pm
- Forum: Student Social/Study Group
- Topic: study group at Hedrick Hall
- Replies: 4
- Views: 478
Re: study group at Hedrick Hall
When would you guys like to meet up?
- Sun Oct 28, 2018 8:51 pm
- Forum: Student Social/Study Group
- Topic: study group at Hedrick Hall
- Replies: 4
- Views: 478
study group at Hedrick Hall
Does anyone want to do a study group for the upcoming weekend?
- Sun Oct 28, 2018 8:31 pm
- Forum: Student Social/Study Group
- Topic: Midterm
- Replies: 15
- Views: 1448
Midterm
Do you guys know how many questions the midterm will have?
- Sun Oct 28, 2018 8:28 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm
- Replies: 11
- Views: 842
Re: Midterm
Will it be free response questions or multiple choice?
- Mon Oct 22, 2018 3:25 pm
- Forum: Student Social/Study Group
- Topic: Number 1.55
- Replies: 2
- Views: 392
Number 1.55
I am lost trying to answer this question can someone help me out? Infrared spectroscopy is an important tool for studying vibrations of molecules. Just as an atom can absorb a photon of suitable energy to move an electron from one electronic state to another, a molecule can absorb a photon of electr...
- Mon Oct 22, 2018 2:52 pm
- Forum: DeBroglie Equation
- Topic: HW Problem 1.39 (6th Edition)
- Replies: 4
- Views: 488
Re: HW Problem 1.39 (6th Edition)
You have to use de Broglie equation: wavelength = h/p [p = momentum = mass(kg) * velocity (m/s)]. So convert 5.15oz into kg: 5.15 * 28.9 * 10^-3 = 0.148835kg. Then mutliply the weight that is in kg by velocity( which needs to be converted into m/s from mi/h [92mi/h * 1609.34/3600 -> .4470388889mi/s...
- Mon Oct 22, 2018 2:38 pm
- Forum: Student Social/Study Group
- Topic: 1.37
- Replies: 2
- Views: 228
1.37
I am confused with the answer the textbook is giving me for this question. Protons and neutrons have nearly the same mass. How different are their wavelengths? Calculate the wavelength of each particle when traveling at 2.75 105 m s 1 in a particle accelerator and report the difference as a percenta...
- Sat Oct 20, 2018 11:55 pm
- Forum: Properties of Light
- Topic: Grades
- Replies: 7
- Views: 620
Re: Grades
You will have to wait until the end of the quarter. So you can not what grade you have until the end of the quarter because that is how it was for my summer classes.
- Sat Oct 20, 2018 11:53 pm
- Forum: Student Social/Study Group
- Topic: Test #2
- Replies: 6
- Views: 443
Re: Test #2
oh okay. I was just making sure because people told me we didn't need it.
- Sat Oct 20, 2018 9:39 pm
- Forum: Student Social/Study Group
- Topic: Test #2
- Replies: 6
- Views: 443
Test #2
I was wondering if we need to use the Rydberg formula on the test that is coming up?
- Mon Oct 08, 2018 10:31 pm
- Forum: General Science Questions
- Topic: F9 6th edition
- Replies: 1
- Views: 203
F9 6th edition
Hi. I need help with this questions because I got a specific answer but the answer key says something else. Can someone tell me what I did wrong? F.9 Vanillin is found in vanilla extracted from Mexican orchids. A report on the analysis of vanillin listed the mass percentage composition as 63.15% C, ...
- Thu Oct 04, 2018 5:30 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Where to find assignments
- Replies: 5
- Views: 399
Re: Where to find assignments
Can we do more than 7 questions?
- Thu Oct 04, 2018 5:29 pm
- Forum: SI Units, Unit Conversions
- Topic: How does grading for discussion posts work?
- Replies: 80
- Views: 7664
Re: How does grading for discussion posts work?
Does anyone know if our first test will be multiple choice?
- Sat Sep 29, 2018 4:24 pm
- Forum: SI Units, Unit Conversions
- Topic: How does grading for discussion posts work?
- Replies: 80
- Views: 7664
Re: How does grading for discussion posts work?
Do you guys know when our first test is?