Search found 59 matches
- Sat Mar 13, 2021 10:06 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Chem community points
- Replies: 19
- Views: 1201
Re: Chem community points
It is due Sunday, March 14 at midnight!
- Sat Mar 13, 2021 10:04 pm
- Forum: Student Social/Study Group
- Topic: How do you deal with burnout?
- Replies: 144
- Views: 13104
Re: How do you deal with burnout?
When I feel burnt out, I generally watch a show or talk with my friends to get my mind off school for a little. I just got to make sure I don't spend too much time relaxing.
- Sat Mar 13, 2021 10:00 pm
- Forum: Student Social/Study Group
- Topic: Spring Quarter
- Replies: 60
- Views: 2944
Re: Spring Quarter
I am taking chem 14c!
- Sat Mar 13, 2021 9:58 pm
- Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
- Topic: Value of N
- Replies: 24
- Views: 1083
Re: Value of N
N is the number of electrons transfers. You can find them from the half reactions. They should be the same number.
- Sat Mar 13, 2021 9:58 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Final Bonus Q's
- Replies: 7
- Views: 409
Re: Final Bonus Q's
I believe it is worth 4 points!
- Sun Mar 07, 2021 3:19 pm
- Forum: General Science Questions
- Topic: The Final Countdown
- Replies: 14
- Views: 980
Re: The Final Countdown
This quarter has been so busy for me. I can't wait until spring break and finally relax!
- Sat Mar 06, 2021 5:58 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: What was your favorite chem topic?
- Replies: 137
- Views: 8595
Re: What was your favorite chem topic?
I enjoy doing chemical equilibrium problems!
- Sat Mar 06, 2021 5:55 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Solids and Liquids?
- Replies: 26
- Views: 1301
Re: Solids and Liquids?
Only gases apply to this law! Make sure to check the reaction. I make this mistake a lot on exams and practice problems.
- Sat Mar 06, 2021 5:54 pm
- Forum: Student Social/Study Group
- Topic: What do you miss / What are you looking forward to?
- Replies: 92
- Views: 8100
Re: What do you miss / What are you looking forward to?
I am currently a sophomore and I really miss having late nights with my friends.
- Sat Mar 06, 2021 5:53 pm
- Forum: Administrative Questions and Class Announcements
- Topic: DAYLIGHT SAVINGS TIME!
- Replies: 12
- Views: 1325
Re: DAYLIGHT SAVINGS TIME!
Thanks for the reminder!! I totally forgot about this.
- Sat Mar 06, 2021 5:50 pm
- Forum: Student Social/Study Group
- Topic: 14B Final
- Replies: 22
- Views: 952
Re: 14B Final
I think that the final will have more of topics covered after midterm 2 with a smaller amount covering the topics previously. I could be wrong though.
- Sat Mar 06, 2021 5:47 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Diamond vs. Graphite
- Replies: 23
- Views: 1028
Re: Diamond vs. Graphite
Yea, it is possible but it will take a very long time.
- Sat Mar 06, 2021 5:24 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Video Review
- Replies: 8
- Views: 477
Re: Video Review
Organic Chemistry Tutor has been a big help to me!
- Sat Mar 06, 2021 5:23 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Final Exam Time
- Replies: 47
- Views: 2085
Re: Final Exam Time
The review session is on Saturday while the Final will be on Sunday at 9:30 am.
- Sat Mar 06, 2021 5:21 pm
- Forum: Student Social/Study Group
- Topic: Final
- Replies: 63
- Views: 3049
Re: Final
I would recommend going over all the topics and getting a good understanding of each topic. A good indicator of your understanding could be if you could explain/teach this topic to someone else. I would also recommend going the practice problems several times!
- Sun Feb 28, 2021 5:53 pm
- Forum: Balancing Redox Reactions
- Topic: Oxidation vs Reduction
- Replies: 30
- Views: 1259
Re: Oxidation vs Reduction
I use the acronym OIL RIG which stands for "Oxidation is loss, reduction is gain."
- Sun Feb 28, 2021 5:50 pm
- Forum: *Free Energy of Activation vs Activation Energy
- Topic: Temperature vs. activation energy
- Replies: 33
- Views: 2425
Re: Temperature vs. activation energy
When you increase the temperature, this results in more collisions between particles. This will lead to an increase in K.
- Sun Feb 28, 2021 5:43 pm
- Forum: Student Social/Study Group
- Topic: Fave food
- Replies: 266
- Views: 28724
Re: Fave food
I love poke and Korean Fried Chicken!
- Sun Feb 28, 2021 5:36 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Anode/Cathode
- Replies: 45
- Views: 1427
Re: Anode/Cathode
The anode is always on the left while the cathode is always going to be on the right. This order is really important to have for cell diagrams.
- Sun Feb 28, 2021 5:35 pm
- Forum: General Science Questions
- Topic: Midterm 2 Reactions
- Replies: 79
- Views: 5147
Re: Midterm 2 Reactions
I am feeling stressed/nervous about the final. Based on Midterm 2, I realized I should have a better understanding of the material conceptually.
- Sun Feb 28, 2021 5:09 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Moles in ΔG = -nFE
- Replies: 45
- Views: 3655
Re: Moles in ΔG = -nFE
In this equation, n represents the number of moles of electrons.
- Sun Feb 21, 2021 9:15 pm
- Forum: Student Social/Study Group
- Topic: Preparing
- Replies: 24
- Views: 1138
Re: Preparing
I plan to watch some introductory videos on ochem on youtube and refer to friends who taken the course for help.
- Sun Feb 21, 2021 9:12 pm
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: State function?
- Replies: 36
- Views: 1276
Re: State function?
Cell potential is not a state function because the path it takes to reach the final value matters.
- Sun Feb 21, 2021 9:09 pm
- Forum: Student Social/Study Group
- Topic: Fave food
- Replies: 266
- Views: 28724
Re: Fave food
I love poke and Korean fried chicken!!
- Sun Feb 21, 2021 9:08 pm
- Forum: Student Social/Study Group
- Topic: Classes for next quarter?
- Replies: 165
- Views: 13075
Re: Classes for next quarter?
I will be taking psych 130 and chem 14c so far. I am not sure what my last class would be yet.
- Sun Feb 21, 2021 9:06 pm
- Forum: Student Social/Study Group
- Topic: Post Midterm 2 De-stressing
- Replies: 92
- Views: 6107
Re: Post Midterm 2 De-stressing
This weekend I took a break and caught up on some shows as well as catch up with some of my friends.
- Sun Feb 21, 2021 9:04 pm
- Forum: Administrative Questions and Class Announcements
- Topic: struggling
- Replies: 73
- Views: 3500
Re: struggling
I would suggest trying to get a blank a piece of paper and write out everything you know about the specific topic. From there, you can see what sections you really need help on. I hope you excel in this class! Good luck!
- Sun Feb 14, 2021 6:35 pm
- Forum: Student Social/Study Group
- Topic: Valentine's Day Long Weekend!
- Replies: 30
- Views: 1773
Re: Valentine's Day Long Weekend!
Thank you! I wish you all a Happy Valentine's Day as well. I hope everyone has a restful weekend!
- Sun Feb 14, 2021 6:31 pm
- Forum: Van't Hoff Equation
- Topic: Celcius vs Kelvin for T1 and T2
- Replies: 84
- Views: 6448
Re: Celcius vs Kelvin for T1 and T2
You should use Kelvin and not Celcius since the R constant is in terms of K.
- Sun Feb 14, 2021 6:28 pm
- Forum: Student Social/Study Group
- Topic: Fav Shows of the Moment
- Replies: 115
- Views: 26836
Re: Fav Shows of the Moment
I am currently rewatching Friends!
- Sun Feb 14, 2021 6:27 pm
- Forum: Student Social/Study Group
- Topic: Classes for next quarter?
- Replies: 165
- Views: 13075
Re: Classes for next quarter?
I am hopefully going to enroll in chem 14c, physics 5c and psych 130 or 135.
- Sun Feb 14, 2021 6:25 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Kelvin conversion
- Replies: 40
- Views: 2888
Re: Kelvin conversion
You can use either 273 or 273.15. Using 273.15 gets you a more accurate answer, but your answer at the end is still roughly the same.
- Sun Feb 07, 2021 6:10 pm
- Forum: Student Social/Study Group
- Topic: Silly Mistakes?
- Replies: 72
- Views: 5801
Re: Silly Mistakes?
Thanks a lot for sharing this with us! This is a great way to look at mistakes. I feel better reading this.
- Sun Feb 07, 2021 6:06 pm
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: R Constant
- Replies: 91
- Views: 5221
Re: R Constant
In my experience, the best way to figure out what R constant to use is to look at the units that I am given. From there, I pick the appropriate R constant to matches with the units.
- Sun Feb 07, 2021 6:05 pm
- Forum: Student Social/Study Group
- Topic: Study routine.
- Replies: 51
- Views: 2291
Re: Study routine.
For me, I generally read the book and make an outline of the topics. From there, I do the assigned practice problems several times until I can do it by myself without any help.
- Sun Feb 07, 2021 6:02 pm
- Forum: Student Social/Study Group
- Topic: Superbowl
- Replies: 10
- Views: 536
Re: Superbowl
The Bucs are going to win!
- Sun Feb 07, 2021 6:00 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Can heat capacities be negative?
- Replies: 52
- Views: 13523
Re: Can heat capacities be negative?
Heat capacities should be positive because it is the amount of heat needed to increase the temperature of the volume by 1 degree.
- Sun Jan 31, 2021 9:33 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Diatomic molecules standard enthalpy of formation
- Replies: 22
- Views: 1194
Re: Diatomic molecules standard enthalpy of formation
Yes, their standard enthalpy of formation for diatomic molecules will be zero. The value is zero because these molecules are in their most stable state at standard condition.
- Sun Jan 31, 2021 9:26 pm
- Forum: Ideal Gases
- Topic: Reversing Reactions
- Replies: 68
- Views: 2244
Re: Reversing Reactions
To calculate the K for a reverse reaction, you would take the 1/K of the forward reaction because the numerator and reactants are now switched.
- Sun Jan 31, 2021 9:24 pm
- Forum: Student Social/Study Group
- Topic: Go treat yourself after MT1!
- Replies: 75
- Views: 4238
Re: Go treat yourself after MT1!
Thanks for the positivity! I decided to take a break from all my work and just treat myself to some Netflix and games after studying a lot for this midterm.
- Sun Jan 31, 2021 9:21 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Enthalpy
- Replies: 26
- Views: 1088
Re: Enthalpy
Enthalpy is a state function. This means that it doesn't relate to the path that it takes to reach the final values. It only corresponds with the initial and final values.
- Sun Jan 31, 2021 9:15 pm
- Forum: Phase Changes & Related Calculations
- Topic: Endothermic v. Exothermic
- Replies: 139
- Views: 10293
Re: Endothermic v. Exothermic
Delta H is positive when the reaction is endothermic because heat is absorbed while delta H is negative when the reaction is exothermic because heat is released.
- Sun Jan 24, 2021 8:01 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Increase in Pressure
- Replies: 31
- Views: 701
Re: Increase in Pressure
When looking at changes in pressures in relation to the chemical reaction, you would like at the moles of the gases only.
- Sun Jan 24, 2021 7:55 pm
- Forum: Student Social/Study Group
- Topic: Favorite Music
- Replies: 113
- Views: 9797
Re: Favorite Music
I generally like to listen to chill music. Some artists I listen to are Lauv, Jeremy Zucker and Rex Orange County.
- Sun Jan 24, 2021 7:53 pm
- Forum: Student Social/Study Group
- Topic: Calculators
- Replies: 52
- Views: 3064
Re: Calculators
You can use any type of calculator for the exam!
- Sun Jan 24, 2021 7:52 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: H2O as a Gas
- Replies: 69
- Views: 6143
Re: H2O as a Gas
You include H2O in the ice table only if it is a gas. If it is a liquid then we wouldn't include it.
- Sun Jan 24, 2021 7:50 pm
- Forum: Phase Changes & Related Calculations
- Topic: Define Phase Change
- Replies: 78
- Views: 4909
Re: Define Phase Change
A phase change is when the state of matter of an substance changes between solid, liquid, or gas. For example, a liquid changing to a gas is considered a phase change.
- Sat Jan 16, 2021 8:55 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: ka vs kb
- Replies: 20
- Views: 474
Re: ka vs kb
Ka is used when H30+ is formed while kb is used when OH- is used. Ka is for acid dissociation and kb is for base dissociation.
- Sat Jan 16, 2021 8:51 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: When x is negligible in Equilibrium constant
- Replies: 34
- Views: 1378
Re: When x is negligible in Equilibrium constant
X is negligible when the value is smaller than 10^ -4.
- Sat Jan 16, 2021 8:47 pm
- Forum: Student Social/Study Group
- Topic: How to relax
- Replies: 168
- Views: 21144
Re: How to relax
When I am stressed from school, I like to lay down and either watch some shows or listen to music. Often times, I would just take a walk around my house or talk to my siblings.
- Sat Jan 16, 2021 8:45 pm
- Forum: Ideal Gases
- Topic: Units of Temperature
- Replies: 82
- Views: 3353
Re: Units of Temperature
The units for temperature should be in Kelvin.
- Sat Jan 16, 2021 8:41 pm
- Forum: Student Social/Study Group
- Topic: Study Habits
- Replies: 96
- Views: 5404
Re: Study Habits
Something I like to do when I am studying is to write everything I know about a topic on a piece of paper. From there, I would figure which topics I really need to focus on. I also recommend to do a lot of practice problems to help prepare you for the exam. In doing so, you would be more aware of th...
- Sat Jan 16, 2021 8:36 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Using the ICE table
- Replies: 36
- Views: 1314
Re: Using the ICE table
Yea, the ICE table can be used for both partial pressure and concentration. Using these table, one could find many quantities such as the K constant or initial concentration of something.
- Sat Jan 16, 2021 8:34 pm
- Forum: Student Social/Study Group
- Topic: Comfort Movies
- Replies: 168
- Views: 22318
Re: Comfort Movies
My go-to comfort movie would have to be Avengers Endgame or Thor Ragnarok. Other than these, I really enjoy watching Disney movies.
- Sat Jan 09, 2021 7:13 pm
- Forum: Ideal Gases
- Topic: Units of Temperature
- Replies: 82
- Views: 3353
Re: Units of Temperature
Hi, the units for temperature should be in Kelvin.
- Sat Jan 09, 2021 7:12 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: K vs. Q
- Replies: 53
- Views: 1920
Re: K vs. Q
Yes! Q is used when the system hasn't reach equilibrium yet while K is used when the system has reach equilibrium.
- Sat Jan 09, 2021 7:10 pm
- Forum: Student Social/Study Group
- Topic: How to relax
- Replies: 168
- Views: 21144
Re: How to relax
Hi! I like to watch Netflix or play video games with my friends. Sometimes, I also enjoy playing board games with my family.
- Thu Jan 07, 2021 10:46 am
- Forum: Student Social/Study Group
- Topic: Post All Chemistry Jokes Here
- Replies: 9651
- Views: 2998890
Re: Post All Chemistry Jokes Here
Why did the attacking army use acid?
To neutralize their base.
To neutralize their base.
- Tue Jan 05, 2021 9:50 pm
- Forum: Student Social/Study Group
- Topic: Learning Sessions
- Replies: 24
- Views: 1055
Re: Learning Sessions
I believe you should attend as many sessions as you can. They can viewed as a great way to clarify information or review material.