Search found 101 matches
- Thu Mar 11, 2021 1:54 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: 1261
Re: Value of N
It's the moles of electrons transferred in the reaction
- Thu Mar 11, 2021 1:53 pm
- Forum: Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH)
- Topic: Value of E Naught in a Concentration Cell
- Replies: 3
- Views: 395
Re: Value of E Naught in a Concentration Cell
Yes, for E naught in a concentration cell, the solutions have the same composition at the same concentration, meaning that the voltage difference between the solutions is 0
- Thu Mar 11, 2021 1:49 pm
- Forum: General Rate Laws
- Topic: Factors Affecting k
- Replies: 83
- Views: 6923
Re: Factors Affecting k
only temperature!
- Thu Mar 11, 2021 1:48 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Arrhenius conceptual q
- Replies: 4
- Views: 346
Re: Arrhenius conceptual q
^^ A is a constant that describes the angular dependence of a collision, it is independent of activation energy
- Thu Mar 11, 2021 1:46 pm
- Forum: Student Social/Study Group
- Topic: How are y'all doing?
- Replies: 46
- Views: 3016
Re: How are y'all doing?
Pretty burnt out if I'm being honest, I'm ready for the quarter to be over
- Sat Mar 06, 2021 2:38 pm
- Forum: First Order Reactions
- Topic: Graphing
- Replies: 20
- Views: 1045
Re: Graphing
my guess is that the graphs would be given to us
- Sat Mar 06, 2021 2:38 pm
- Forum: General Rate Laws
- Topic: Factors Affecting k
- Replies: 83
- Views: 6923
Re: Factors Affecting k
Only a change in temperature!
- Sat Mar 06, 2021 2:36 pm
- Forum: Student Social/Study Group
- Topic: Note Taking
- Replies: 145
- Views: 19460
Re: Note Taking
I like handwritten notes bc I find them easier to annotate and look back on, plus I feel like it forces me to remember more
- Sat Mar 06, 2021 2:34 pm
- Forum: Administrative Questions and Class Announcements
- Topic: DAYLIGHT SAVINGS TIME!
- Replies: 12
- Views: 1503
Re: DAYLIGHT SAVINGS TIME!
I totally forgot about daylight savings, thanks!
- Sat Mar 06, 2021 2:33 pm
- Forum: Student Social/Study Group
- Topic: What do you miss / What are you looking forward to?
- Replies: 92
- Views: 13107
Re: What do you miss / What are you looking forward to?
I'm a freshman and I'm looking forward to getting to do classes in person and meet people, especially in clubs/organizations :)
- Fri Feb 26, 2021 4:46 pm
- Forum: Balancing Redox Reactions
- Topic: Sapling #5, Week 7/8
- Replies: 3
- Views: 311
Sapling #5, Week 7/8
Can someone give me some guidance please, I'm not sure what I'm doing wrong. Thanks!
- Thu Feb 25, 2021 10:04 pm
- Forum: Student Social/Study Group
- Topic: Valentine's Day Long Weekend!
- Replies: 30
- Views: 2330
Re: Valentine's Day Long Weekend!
You too!
- Thu Feb 25, 2021 10:04 pm
- Forum: Student Social/Study Group
- Topic: How to relax
- Replies: 168
- Views: 36373
Re: How to relax
Netflix is great :)
- Thu Feb 25, 2021 10:01 pm
- Forum: Student Social/Study Group
- Topic: Anxiety
- Replies: 109
- Views: 9544
Re: Anxiety
I try studying with other people so I can at least bounce ideas off of others
- Thu Feb 25, 2021 10:00 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 427437
Re: Final Jitters
A couple of deep breaths and plenty of practice problems!
- Thu Feb 25, 2021 9:58 pm
- Forum: Administrative Questions and Class Announcements
- Topic: struggling
- Replies: 73
- Views: 4553
Re: struggling
UA sessions are super helpful and I think it helps just overall taking the time to understand all the concepts
- Tue Feb 23, 2021 10:40 pm
- Forum: Ideal Gases
- Topic: Reading the textbook
- Replies: 262
- Views: 156829
Re: Reading the textbook
Personally, I feel that doing practice problems and using some of the other resources are more effective in helping me prepare for exams than reading the textbook
- Tue Feb 23, 2021 10:38 pm
- Forum: Student Social/Study Group
- Topic: Fave food
- Replies: 266
- Views: 48287
Re: Fave food
I love mac n cheese
- Tue Feb 23, 2021 10:36 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 427437
Re: Final Jitters
Forcing myself to do tons of practice problems makes me more confident the day of the exam
- Tue Feb 23, 2021 10:34 pm
- Forum: Student Social/Study Group
- Topic: Work and school
- Replies: 16
- Views: 993
Re: Work and school
Planning ahead definitely helps, I'm not sure what your work schedule is like but I can usually get all of my regular classwork done on the days that I work. I can then use my days off to study for finals
- Tue Feb 23, 2021 10:32 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Chemistry Community Deadlines
- Replies: 11
- Views: 1117
Re: Chemistry Community Deadlines
I believe the cutoff is Sunday at 11:59 so that post should count towards week 7 :)
- Sat Feb 13, 2021 1:35 am
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Spontaneous as Written
- Replies: 10
- Views: 584
Re: Spontaneous as Written
Yup, that is the way to determine if a reaction is spontaneous
- Sat Feb 13, 2021 1:34 am
- Forum: Entropy Changes Due to Changes in Volume and Temperature
- Topic: Residual entropy
- Replies: 4
- Views: 612
Re: Residual entropy
I think it has to do with their lewis structure and how many orientations are possible for each atom. The more possible positions for an atom, the higher the residual entropy
- Sat Feb 13, 2021 1:32 am
- Forum: Student Social/Study Group
- Topic: Thoughts on Upcoming Midterm 2
- Replies: 41
- Views: 1965
Re: Thoughts on Upcoming Midterm 2
I'm honestly really worried too. I find a lot of the thermochemistry problems confusing and I struggle to know when to use each of the equations
- Sat Feb 13, 2021 1:31 am
- Forum: Thermodynamic Systems (Open, Closed, Isolated)
- Topic: Bomb Calorimeter
- Replies: 17
- Views: 938
Re: Bomb Calorimeter
Yup, they are isolated and sealed
- Sat Feb 13, 2021 1:31 am
- Forum: Calculating Work of Expansion
- Topic: Work
- Replies: 6
- Views: 414
Re: Work
Work done on an irreversible pathway, occurs quickly and has the system working against a lower external pressure. On the other hand, work done on a reversible pathway occurs quickly, maximizes work done, and works against an external pressure that is nearly equal to the internal one.
- Fri Feb 05, 2021 11:55 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Postive vs. negative work
- Replies: 18
- Views: 1088
Re: Postive vs. negative work
When work is being done by the system, energy is leaving the system making it negative. When work is being done to the system, energy is being absorbed by the system, making the value positive
- Fri Feb 05, 2021 11:53 pm
- Forum: Student Social/Study Group
- Topic: Equations
- Replies: 7
- Views: 373
Re: Equations
I usually just look for what's given and what I'm looking for and see how I can relate them with the equations
- Fri Feb 05, 2021 11:52 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Work
- Replies: 4
- Views: 357
Re: Work
To calculate the work for Path A, you use the formula for work of an isothermal, reversible expansion: w=nRTln(v2/v1). To solve for moles of gas, you can use PV=nRT since it is an ideal gas. Once you know the moles of gas, you can plug it into the formula along with the other given information to so...
- Fri Feb 05, 2021 11:42 pm
- Forum: Administrative Questions and Class Announcements
- Topic: tips if you're struggling!
- Replies: 77
- Views: 5945
Re: tips if you're struggling!
Thanks for the tips! I do the same with the textbooks problems, I like having them fresh in my mind before the exam
- Fri Feb 05, 2021 11:40 pm
- Forum: Student Social/Study Group
- Topic: Silly Mistakes?
- Replies: 72
- Views: 7182
Re: Silly Mistakes?
Thanks for sharing, that was really helpful :)
- Sat Jan 30, 2021 1:45 pm
- Forum: Student Social/Study Group
- Topic: Favorite TV shows
- Replies: 277
- Views: 51671
Re: Favorite TV shows
I finally got into the Queen's Gambit. Parks and Rec, Gravity Falls, and Breaking Bad are also among my top favorites :)
- Sat Jan 30, 2021 1:43 pm
- Forum: Student Social/Study Group
- Topic: Good luck on the midterm!
- Replies: 3
- Views: 273
Re: Good luck on the midterm!
Thanks!! You too :)
- Sat Jan 30, 2021 1:41 pm
- Forum: Student Social/Study Group
- Topic: Midterm 1
- Replies: 10
- Views: 466
Re: Midterm 1
Thanks!!
- Sat Jan 30, 2021 1:40 pm
- Forum: Student Social/Study Group
- Topic: Go treat yourself after MT1!
- Replies: 75
- Views: 6728
Re: Go treat yourself after MT1!
A nap sounds great to me! I'm loving the positivity btw
- Sat Jan 30, 2021 1:39 pm
- Forum: Student Social/Study Group
- Topic: Motivation
- Replies: 39
- Views: 2209
Re: Motivation
I'm honestly in the same boat as you. I find it comforting knowing others are in the same position though
- Thu Jan 21, 2021 2:22 pm
- Forum: Student Social/Study Group
- Topic: Practicing for Midterm 1
- Replies: 12
- Views: 622
Re: Practicing for Midterm 1
The textbook problems are super helpful and are probably the most similar to the actual exam
- Thu Jan 21, 2021 2:21 pm
- Forum: Phase Changes & Related Calculations
- Topic: phase transition
- Replies: 13
- Views: 452
Re: phase transition
Temperature is constant during a phase change as the heat is being used to break/form bonds
- Thu Jan 21, 2021 2:20 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: How to fill in 2nd row of ICE table?
- Replies: 25
- Views: 960
Re: How to fill in 2nd row of ICE table?
the change is going to be negative if it's a reactant and positive if it's a product
- Thu Jan 21, 2021 2:18 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: C in ICE Box
- Replies: 19
- Views: 801
Re: C in ICE Box
the amount in the products is going to decrease, which will cause the products to increase
- Thu Jan 21, 2021 2:17 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Studying for Midterm #1
- Replies: 63
- Views: 3210
Re: Studying for Midterm #1
The textbook and sapling problems are a lot of help!
- Wed Jan 13, 2021 8:32 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Class on 1/18/21 Holiday
- Replies: 9
- Views: 509
Re: Class on 1/18/21 Holiday
I don't think we technically have class, but there will probably be a lecture for us posted to watch later
- Wed Jan 13, 2021 8:30 pm
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: Increase in Pressure
- Replies: 31
- Views: 907
Re: Increase in Pressure
I'm pretty sure you only consider moles of gases
- Wed Jan 13, 2021 8:29 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Participation
- Replies: 18
- Views: 1026
Re: Participation
You get points for both!
- Wed Jan 13, 2021 8:29 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Lecture Question
- Replies: 9
- Views: 571
Re: Lecture Question
He said later on that it was a weak acid so I think it was just a mistake
- Wed Jan 13, 2021 8:27 pm
- Forum: Student Social/Study Group
- Topic: Study Habits
- Replies: 96
- Views: 8123
Re: Study Habits
I found that doing practice problems helped me the most, dispersing practice over longer periods of time is definitely better than trying to cram it all in right before midterms
- Fri Jan 08, 2021 2:08 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: ICE tables
- Replies: 8
- Views: 416
Re: ICE tables
Yup, either one should work since molarity is just moles/liters and the the reactants and products would all be in the same vessel with the same volume
- Fri Jan 08, 2021 2:07 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Difference between Kp and Kc in lecture 3
- Replies: 5
- Views: 277
Re: Difference between Kp and Kc in lecture 3
Technically you could use either Kp or Kc when calculating the equilibrium constant for gases, it's usually just easier to use the one that correlates with the given information. However, only Kc can be used for other states of matter
- Fri Jan 08, 2021 2:05 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: I.C.E.
- Replies: 7
- Views: 229
Re: I.C.E.
I think you use a negative for the reactants because they are getting used up in the reaction, so the quantinty present is decreasing and a positive for the products since the quantity present is increasing
- Fri Jan 08, 2021 2:03 pm
- Forum: Ideal Gases
- Topic: Ideal vs real gases
- Replies: 12
- Views: 684
Re: Ideal vs real gases
I don't think ideal gases actually exist, but for the purposes of our class we just treat gases as if they were ideal
- Fri Jan 08, 2021 2:01 pm
- Forum: Ideal Gases
- Topic: Reading the textbook
- Replies: 262
- Views: 156829
Re: Reading the textbook
I only really use the textbook for practice problems or sometimes skimming before exams. I find that the lectures have the information we need to know and it's much easier to understand for me
- Sat Dec 12, 2020 5:35 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Advice from a Medical Student [ENDORSED]
- Replies: 297
- Views: 459533
Re: Advice from a Medical Student [ENDORSED]
This was so helpful, thanks for sharing :)
- Sat Dec 12, 2020 5:33 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 427437
Re: Final Jitters
lots of practice problems and understanding the concepts well should help
- Sat Dec 12, 2020 5:28 pm
- Forum: Student Social/Study Group
- Topic: Finals Study Things
- Replies: 27
- Views: 1520
Re: Finals Study Things
Thank you so much, this is so helpful!! :)
- Sat Dec 12, 2020 5:26 pm
- Forum: Properties & Structures of Inorganic & Organic Acids
- Topic: Why isn't HF a strong acid?
- Replies: 23
- Views: 7575
Re: Why isn't HF a strong acid?
My TA mentioned this in discussion the other day. Based on the concepts we learned, it should be a strong acid. However, it is an exception because flourine is such a small atom. The bond between hydrogen and flourine is so small and strong that it makes HF a weak acid
- Sat Dec 12, 2020 5:22 pm
- Forum: Student Social/Study Group
- Topic: Winter Break
- Replies: 44
- Views: 2822
Re: Winter Break
I think going over some of your notes to review the main concepts should be sufficient. you can always look back on them later if needed too
- Sat Dec 05, 2020 1:58 pm
- Forum: Student Social/Study Group
- Topic: Week 8/9 Thoughts/Worries
- Replies: 66
- Views: 4639
Re: Week 8/9 Thoughts/Worries
I'm feeling okay, I'm really worried about the final but I'm sure my nerves will calm down once I study more
- Sat Dec 05, 2020 1:57 pm
- Forum: Student Social/Study Group
- Topic: Professor Lavelle's hat
- Replies: 17
- Views: 1234
Re: Professor Lavelle's hat
I thought I was the only one thinking about this
- Sat Dec 05, 2020 1:56 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 427437
Re: Final Jitters
I think that preparing well and getting plenty of sleep the night before would help calm test anxiety. Also, you might want to think about drinking tea or doing yoga beforehand
- Sat Dec 05, 2020 1:55 pm
- Forum: Bronsted Acids & Bases
- Topic: soft salts
- Replies: 6
- Views: 345
Re: soft salts
I think it just means that the salts make the water more basic and bases typically have a soapy feel to them
- Sat Dec 05, 2020 1:53 pm
- Forum: Student Social/Study Group
- Topic: How are you?
- Replies: 154
- Views: 17611
Re: How are you?
I'm pretty stressed for finals, but I'm glad winter break is coming up. I'm probably most worried about this class
- Sun Nov 29, 2020 11:57 pm
- Forum: Ionic & Covalent Bonds
- Topic: Polar and Nonpolar
- Replies: 37
- Views: 2021
Re: Polar and Nonpolar
The symmetry of the molecule also plays a role in polarity as the partial charges could cancel each other out
- Sun Nov 29, 2020 11:56 pm
- Forum: Resonance Structures
- Topic: Resonance Structures
- Replies: 7
- Views: 711
Re: Resonance Structures
I think of resonance structures as having the same atoms bonded to each other and the same relative positions of the atoms, only the electron locations change
- Sun Nov 29, 2020 11:54 pm
- Forum: Hybridization
- Topic: Determining the number of sigma and pi bonds
- Replies: 8
- Views: 983
Re: Determining the number of sigma and pi bonds
Yes, count all the sigma bonds first and the count the leftover bonds as pi bonds
- Sun Nov 29, 2020 11:52 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Easiest Way to Memorize Shape Names
- Replies: 9
- Views: 709
Re: Easiest Way to Memorize Shape Names
I'd recommend just doing practice problems and trying to understand the concepts behind determining molecular shapes
- Sun Nov 29, 2020 11:51 pm
- Forum: Student Social/Study Group
- Topic: Happy Thanksgiving!
- Replies: 39
- Views: 2320
Re: Happy Thanksgiving!
Happy thanksgiving! My family usually does dinner together and shares things we're thankful for
- Sun Nov 22, 2020 11:18 pm
- Forum: Ionic & Covalent Bonds
- Topic: Ionization Energy
- Replies: 19
- Views: 888
Re: Ionization Energy
Usually the electron will be removed from the outermost orbital as it requires the least energy
- Sun Nov 22, 2020 11:16 pm
- Forum: General Science Questions
- Topic: Finals
- Replies: 39
- Views: 2639
Re: Finals
Yup, I believe the final is cumulative and consists of multiple choice questions
- Sun Nov 22, 2020 11:15 pm
- Forum: Student Social/Study Group
- Topic: Final Jitters
- Replies: 457
- Views: 427437
Re: Final Jitters
I think it helps to start preparing far in advanced. If I feel like I've practiced and know the material well, I experience less test anxiety. For studying, I find it also helps to study in a place where you're comfortable and to practice self-care
- Sun Nov 22, 2020 11:12 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm 2 Scores
- Replies: 28
- Views: 1629
Re: Midterm 2 Scores
I'd expect around thursday/friday since it took a week to get our results back last time
- Sun Nov 22, 2020 11:11 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Thanksgiving
- Replies: 26
- Views: 1462
Re: Thanksgiving
I think so, we still had one on Veteran's day. Discussions will probably be canceled though
- Sun Nov 15, 2020 12:23 am
- Forum: Resonance Structures
- Topic: Resonance
- Replies: 19
- Views: 841
Re: Resonance
Resonance structures are multiple structures of the same molecule. Some of these resonance structures have a lower formal charge, making them more favorable and more stable
- Sun Nov 15, 2020 12:20 am
- Forum: Student Social/Study Group
- Topic: grade worries
- Replies: 119
- Views: 24546
Re: grade worries
I'm always worried about my grades, I'm glad I'm not the only one
- Sat Nov 14, 2020 3:14 pm
- Forum: Lewis Acids & Bases
- Topic: Acid vs. Base
- Replies: 8
- Views: 489
Re: Acid vs. Base
We should learn more in upcoming lectures, I think that's all we need to know for now
- Sat Nov 14, 2020 3:13 pm
- Forum: Student Social/Study Group
- Topic: Participation
- Replies: 56
- Views: 3518
Re: Participation
Yeah, you can check the points you've received under the grade section of the chemistry page on CCLE
- Sat Nov 14, 2020 3:09 pm
- Forum: Student Social/Study Group
- Topic: Midterm 2
- Replies: 22
- Views: 998
Re: Midterm 2
I think I'll be focusing more on the textbook since a lot of the problems from midterm 1 were similar to ones in the textbook
- Sun Nov 08, 2020 9:34 pm
- Forum: Student Social/Study Group
- Topic: Midterm 2
- Replies: 28
- Views: 1277
Re: Midterm 2
I would suggest looking over your notes on a regular basis and ensuring that you understand the homework problems. Closer to the midterm, it would help to look over the textbook problems. I found that the textbook problems were pretty similar to the questions on the last midterm
- Sun Nov 08, 2020 9:32 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Question for Students about High School Chem
- Replies: 25
- Views: 1166
Re: Question for Students about High School Chem
I only took honors chemistry in high school and I've found that a lot of the basics are pretty familiar to me. However, there are some times where I have zero knowledge of the concepts being introduced
- Sun Nov 08, 2020 9:29 pm
- Forum: Student Social/Study Group
- Topic: Studying From Home
- Replies: 91
- Views: 8993
Re: Studying From Home
I find that I get lazy when I study indoors, especially when I'm in comfortable clothes. I've been trying to study either in my backyard or at coffee shops with outdoor seating to motivate myself
- Sun Nov 08, 2020 9:24 pm
- Forum: Student Social/Study Group
- Topic: Mid-quarter Check in
- Replies: 67
- Views: 4547
Re: Mid-quarter Check in
I'm doing alright, just trying to find a healthy balance between school and my personal life. It's been pretty difficult to motivate myself with school being online, but I've established a pretty consistent routine that works for me
- Sun Nov 08, 2020 9:15 pm
- Forum: Student Social/Study Group
- Topic: Favorite TV shows
- Replies: 277
- Views: 51671
Re: Favorite TV shows
My favorite childhood TV shows include The Fairly Odd Parents, Gilmore Girls, and Danny Phantom. Some shows I would recommend are Breaking Bad, The Office, Friends, and The Good Place
- Sun Nov 01, 2020 7:30 pm
- Forum: Student Social/Study Group
- Topic: Halloween!!!
- Replies: 73
- Views: 4377
Re: Halloween!!!
I carved pumpkins and watched scary movies with some of my floormates :)
- Sun Nov 01, 2020 7:27 pm
- Forum: Trends in The Periodic Table
- Topic: Isoelectronic Ions
- Replies: 5
- Views: 216
Re: Isoelectronic Ions
Isoelectronic just refers to when elements have the same number of electrons, it doesn't mean that they necessarily share any properties. for example, Na+ and Ne have the same number of electrons, but it doesn't mean that they behave the same way
- Sun Nov 01, 2020 7:21 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: Spin state
- Replies: 25
- Views: 1395
Re: Spin state
I think the two spin states refer to the different ways the electrons can spin on their axes
- Sun Nov 01, 2020 7:19 pm
- Forum: Properties of Light
- Topic: Is c always the speed of light?
- Replies: 92
- Views: 6514
Re: Is c always the speed of light?
yes, c is always the speed of light, it doesn't vary
- Sun Nov 01, 2020 7:17 pm
- Forum: Student Social/Study Group
- Topic: Test Scored for Midterm 1
- Replies: 49
- Views: 2640
Re: Test Scored for Midterm 1
From what I remember, scores will be released once everyone has taken the exam and it has been reviewed to ensure there are no errors
- Sun Oct 25, 2020 7:26 pm
- Forum: General Science Questions
- Topic: Balancing equations
- Replies: 19
- Views: 2774
Re: Balancing equations
I believe there are different approaches that all lead to the same answer. Personally, I try and balace the atoms that are least present in the reaction first
- Sun Oct 25, 2020 7:24 pm
- Forum: *Black Body Radiation
- Topic: What is Black Body?
- Replies: 53
- Views: 2578
Re: What is Black Body?
I think it's the theoretical concept of a substance that absorbs or reflects all wavelengths of light
- Sun Oct 25, 2020 7:19 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm scratch work
- Replies: 8
- Views: 513
Re: Midterm scratch work
From my understanding, the test is multiple choice but there will be partial credit. Some answers will get partial credit based on what you had to do to get to that point
- Sun Oct 25, 2020 7:12 pm
- Forum: Student Social/Study Group
- Topic: How to relax
- Replies: 168
- Views: 36373
Re: How to relax
I like taking walks and listening to music to relax
- Sun Oct 25, 2020 7:09 pm
- Forum: Administrative Questions and Class Announcements
- Topic: midterm 1
- Replies: 10
- Views: 476
Re: midterm 1
I believe he said there would be ten if I remember correctly
- Sun Oct 18, 2020 11:39 pm
- Forum: Balancing Chemical Reactions
- Topic: Syntax Question
- Replies: 4
- Views: 462
Re: Syntax Question
Yes, they both mean the same thing. One is just the simplified version of the other
- Sun Oct 18, 2020 11:37 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Where can I buy a webcam for a reasonable price?
- Replies: 60
- Views: 4213
- Sun Oct 18, 2020 11:35 pm
- Forum: Significant Figures
- Topic: How do I know how many sig figs to use?
- Replies: 6
- Views: 9506
Re: How do I know how many sig figs to use?
For addition and subtraction, your answer should have the same number of decimal places as the lowest number. For multiplication and division, your answer should have the same number of significant digits as the number with the fewest sig figs
- Sun Oct 18, 2020 11:32 pm
- Forum: Photoelectric Effect
- Topic: Sapling clarification
- Replies: 15
- Views: 629
Re: Sapling clarification
Yeah, the sapling homework isn't due until week 4
- Sun Oct 18, 2020 11:31 pm
- Forum: Student Social/Study Group
- Topic: How are you studying?
- Replies: 204
- Views: 25721
Re: How are you studying?
I am watching my lectures and going over my notes. Aside from doing the sapling homework, I go over the textbook problems if I have extra time
- Sat Oct 10, 2020 11:49 am
- Forum: Significant Figures
- Topic: How to deal with significant figures in decimals with zeros.
- Replies: 20
- Views: 1310
Re: How to deal with significant figures in decimals with zeros.
20.01 has four sig figs. Whenever a 0 is between two significant digits, it's considered significant, regardless of whether it is before or after the decimal point. However, a trailing zero is only significant if it is after the decimal point.
- Sat Oct 10, 2020 11:45 am
- Forum: Molarity, Solutions, Dilutions
- Topic: Molar Mass Stated in Sapling HW
- Replies: 10
- Views: 379
Re: Molar Mass Stated in Sapling HW
The symbol just means that the molar mass isn't exact and falls anywhere in the range of 90-100 g/mol
- Sat Oct 10, 2020 11:43 am
- Forum: Accuracy, Precision, Mole, Other Definitions
- Topic: Avogadro's #
- Replies: 33
- Views: 4263
Re: Avogadro's #
Whenever you're converting to moles or looking for the "number of atoms," you'll be using Avogadro's number
- Sat Oct 10, 2020 11:38 am
- Forum: Balancing Chemical Reactions
- Topic: Order of Balancing Rxns
- Replies: 23
- Views: 719
Re: Order of Balancing Rxns
I usually try to balance the atoms that there are the most of in a chemical reaction first and then move to the ones that there are the least of. To keep track of the ones I've balanced, I tally them on the side of the equation.