Search found 78 matches

by 705512695
Sun Feb 28, 2021 2:09 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8795
Views: 1493907

Re: Post All Chemistry Jokes Here

What should you do if no one laughs at your chemistry jokes?

Keep telling them until you get a reaction.

Get it?! Like a chemical reaction. Chemistry jokes are funny.
by 705512695
Sun Feb 28, 2021 2:06 pm
Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
Topic: Sapling Week 7/8 #7
Replies: 10
Views: 42

Re: Sapling Week 7/8 #7

Hello this is what I got hope it helps:)
by 705512695
Sun Feb 28, 2021 2:05 pm
Forum: Student Social/Study Group
Topic: Points needed to pass?
Replies: 64
Views: 232

Re: Points needed to pass?

If you get half the points in the class you pass.
by 705512695
Sun Feb 28, 2021 2:04 pm
Forum: General Science Questions
Topic: Midterm 2 Reactions
Replies: 70
Views: 201

Re: Midterm 2 Reactions

I really need to study more practice problems I feel, safe to say this final is really stressing me out.
by 705512695
Sun Feb 28, 2021 2:04 pm
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Sapling Week 7/8 #9
Replies: 6
Views: 40

Re: Sapling Week 7/8 #9

This was really helpful thank you !
by 705512695
Sun Feb 28, 2021 12:50 pm
Forum: Balancing Redox Reactions
Topic: Sapling Week 7/8 #7
Replies: 6
Views: 32

Re: Sapling Week 7/8 #7

gabbi_r2C wrote:I've tried switching up the order of the elements on either side and get different, unhelpful error messages each time, so if someone did this question right, let me know.

Hello, this is what I was able to get hope it helps.
by 705512695
Sun Feb 21, 2021 1:38 pm
Forum: Calculating Work of Expansion
Topic: Negative Work
Replies: 19
Views: 76

Re: Negative Work

Work is negative when work is done on the system.
by 705512695
Sun Feb 21, 2021 1:37 pm
Forum: Student Social/Study Group
Topic: We made it through Midterm 2!
Replies: 64
Views: 202

Re: We made it through Midterm 2!

We did it! good luck to everyone and we all deserve a little fun afterwards!
by 705512695
Sun Feb 21, 2021 1:35 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm 2
Replies: 31
Views: 146

Re: Midterm 2

I feel like I did better than midterm 2 and that's how it usually goes so I expect to get a better school, I felt pretty confident throughout.
by 705512695
Sun Feb 21, 2021 1:34 pm
Forum: General Science Questions
Topic: MT 2 grades
Replies: 34
Views: 125

Re: MT 2 grades

I would have to guess in a little less than a week, so perhaps on Wednesday or thursday.
by 705512695
Sun Feb 21, 2021 1:33 pm
Forum: Student Social/Study Group
Topic: Post Midterm 2 De-stressing
Replies: 92
Views: 258

Re: Post Midterm 2 De-stressing

Post midterm really lifted a lot of stress from me shoulders, I spent the night watching the new wandavison episode and playing some good old Minecraft.
by 705512695
Sun Feb 21, 2021 1:32 pm
Forum: Student Social/Study Group
Topic: Fav Shows of the Moment
Replies: 104
Views: 250

Re: Fav Shows of the Moment

Criminal Minds and I carly is what im watching at the moment I feel I could watch a whole season of Criminal Minds in one sitting its that good.
by 705512695
Sun Feb 21, 2021 1:31 pm
Forum: Administrative Questions and Class Announcements
Topic: struggling
Replies: 73
Views: 267

Re: struggling

Step up sessions, online videos and rewatching lectures are what help me the most.
by 705512695
Sun Feb 14, 2021 11:40 pm
Forum: Administrative Questions and Class Announcements
Topic: struggling
Replies: 73
Views: 267

Re: struggling

definitely try to attend as many UA sessions as possible as those really helped me last quarter when i was struggling
by 705512695
Sun Feb 14, 2021 1:15 pm
Forum: Gibbs Free Energy Concepts and Calculations
Topic: Sapling Learning Week 5 and 6 Homework Question 19
Replies: 5
Views: 30

Re: Sapling Learning Week 5 and 6 Homework Question 19

Units may be the issue in this case. To solve, I converted all energy terms to Joules and all temperature terms to Kelvin so that they would cancel with R=8.314 J/Kmol. I then calculated Q using the equation (PNH3)^2/(PH2)^3 (PN2). Finally, I converted my final answer back to kJ as prompted by the ...
by 705512695
Sun Feb 14, 2021 11:46 am
Forum: Entropy Changes Due to Changes in Volume and Temperature
Topic: Sapling #5 week 5 and 6
Replies: 13
Views: 57

Re: Sapling #5 week 5 and 6

1. First you need to convert the the 2 temperature given from Celsius to Kelvin. So 25C and 800C have to be converted. 2. Then use PV = nRT to find moles which you isolate n and get n = PV/RT 3. Multiply "n" (the number of moles you found in step 2) and Cv (which is 20.17). 4. Use the equ...
by 705512695
Sat Feb 13, 2021 4:03 pm
Forum: Administrative Questions and Class Announcements
Topic: tips if you're struggling!
Replies: 77
Views: 407

Re: tips if you're struggling!

I thought I'd make a post to share some tips of what works for me to study for this class for anyone who is struggling since we just got our midterm scores back. I definitely make mistakes too so this isn't to "talk down" to anybody at all. feel free to add some more suggestions below! *u...
by 705512695
Sun Feb 07, 2021 1:16 pm
Forum: Calculating Work of Expansion
Topic: Sapling #15n W3+4
Replies: 10
Views: 53

Re: Sapling #15n W3+4

Hello! I just wanted to let you know that w = -(delta)nRT is another option for solving for work, which is what I ended up using. My version of this question had a different amount of grams, but you would do the molar mass conversion of NaN3 to find the number of moles for that number of grams, the...
by 705512695
Sun Feb 07, 2021 12:53 pm
Forum: Student Social/Study Group
Topic: Silly Mistakes?
Replies: 60
Views: 297

Re: Silly Mistakes?

Thank you for sharing this, this was really a good time for me to hear something like this.
by 705512695
Sat Feb 06, 2021 4:24 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Week 3/4 Sapling #18
Replies: 4
Views: 44

Re: Week 3/4 Sapling #18

Hi! I had been having a hard time with this too. So basically you need to recognize that we are told Cp = 4R The relationship between Cp and Cv is: Cv = Cp-R. So 4R-R = 3R. ∆U = q + w. Then, understand that because we are at constant volume, ∆U = q + 0, since no change in volume means no work. q is...
by 705512695
Thu Feb 04, 2021 11:56 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: Sapling Homework #9
Replies: 4
Views: 42

Re: Sapling Homework #9

Since the problem says that 1g/1mL is the density of water, the sample of water that is 330 mL is 330 g and the one that is 100mL is 100g. Because the two water samples are being combined, the one that has the lower initial temperature is going to absorb heat, and the one with the high initial temp...
by 705512695
Sun Jan 31, 2021 11:19 pm
Forum: Administrative Questions and Class Announcements
Topic: Tips for Concentrating during a test
Replies: 31
Views: 102

Re: Tips for Concentrating during a test

I like to keep my area clean as possible, it really helps me.
by 705512695
Sun Jan 31, 2021 11:19 pm
Forum: Student Social/Study Group
Topic: Congrats!!
Replies: 21
Views: 156

Re: Congrats!!

Way to go everyone!!
by 705512695
Sun Jan 31, 2021 11:18 pm
Forum: General Science Questions
Topic: Midterm 1 Reactions
Replies: 70
Views: 352

Re: Midterm 1 Reactions

I feel good about the midterm, it felt similar to those we had during 14A, no surprises.
by 705512695
Sun Jan 24, 2021 11:50 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Approximately x
Replies: 18
Views: 72

Re: Approximately x

Whenever Ka is less than 10^-4
by 705512695
Sun Jan 24, 2021 12:37 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Sapling Homework #7
Replies: 10
Views: 67

Re: Sapling Homework #7

For these types of problems with bases, I actually use the generic idea that, B + H2O <-> BH+ + OH- (which is just how I think of bases problems). I put that NaClO was my "B" because it was specified as a base in the problem and the solution is NaClO, which meant I had to convert Ka into ...
by 705512695
Sat Jan 23, 2021 4:44 pm
Forum: Student Social/Study Group
Topic: Lectures on Midterm
Replies: 10
Views: 54

Re: Lectures on Midterm

Week 1 to week 3 is what is going to be on the midterm.
by 705512695
Sat Jan 23, 2021 4:38 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Studying for Midterm #1
Replies: 63
Views: 185

Re: Studying for Midterm #1

Attend as many step up sessions and do as many book questions as possible. I also find watching videos online on subjects Im struggling in is very helpful.
by 705512695
Sat Jan 23, 2021 4:36 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Sapling question 5
Replies: 4
Views: 63

Re: Sapling question 5

Hello, You have to convert the pH to pOH by using the equation 14-pH= pOH. You then need to take the pOH and convert it onto the concentration of OH. Now you have the concentration of OH at equilibrium. The general chemical equation is going to be: Base + H2O(l)= Conjugate acid +OH-. Make an ice ta...
by 705512695
Sun Jan 17, 2021 1:35 pm
Forum: Student Social/Study Group
Topic: New Joke Chain
Replies: 46
Views: 217

Re: New Joke Chain

meme.jpg
by 705512695
Sun Jan 17, 2021 1:18 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: quadratic equations to solve for X
Replies: 7
Views: 44

Re: quadratic equations to solve for X

The value of X you take from your two answers received from the quadratic equation needs to satisfy two conditions. As you know, it needs to be positive. It also has to be less than your initial concentrations. Intuitively, this makes sense because you cannot have a change in X concentration that i...
by 705512695
Sun Jan 17, 2021 1:15 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: sapling week 1/2 #2
Replies: 3
Views: 33

Re: sapling week 1/2 #2

alexandralopez 3F wrote:Hey guys! Im having trouble getting the correct answer for this problem. Im going through the steps correctly but I think I'm making a mistake somewhere along the way. Can someone look over it pls? Thanks!

IMG_0897.PNG

this was really helpful thank you !
by 705512695
Sun Jan 17, 2021 1:10 pm
Forum: Ideal Gases
Topic: Inverse Kc [ENDORSED]
Replies: 41
Views: 128

Inverse Kc [ENDORSED]

Hello? When do we know we have to use the inverse of Kc or any K?
by 705512695
Sun Jan 10, 2021 11:30 pm
Forum: Student Social/Study Group
Topic: Study Habits
Replies: 96
Views: 331

Re: Study Habits

I find helpful going to as many step up sessions as I can, then for additional resources I watch videos online on areas I find myself struggling in. I also find doing a lot of practice problems from the textbook is helpful.
by 705512695
Sun Jan 10, 2021 1:39 pm
Forum: Student Social/Study Group
Topic: Advice for someone who didn't take 14A with professor Lavelle
Replies: 61
Views: 348

Re: Advice for someone who didn't take 14A with professor Lavelle

Make sure you use all the resources Lavelle has for us. Step up sessions, office hours, lectures, the sapling problems, text book homework, and his website all have things that can lead you to be really successful in this class.
by 705512695
Sun Jan 10, 2021 1:32 pm
Forum: Student Social/Study Group
Topic: How to relax
Replies: 126
Views: 742

Re: How to relax

Music and some good food is always the way to go .
by 705512695
Sun Jan 10, 2021 1:29 pm
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Endothermic and Exothermic Reactions
Replies: 6
Views: 51

Re: Endothermic and Exothermic Reactions

To put it simply, it is based on the energy level of the reactants and products. This is why we measure it with enthalpy (H) which is related to heat energy. The attached drawings of graphs is from my notes on one of the lectures, it might help make sense of the idea. So basically, a reaction is ex...
by 705512695
Sun Jan 10, 2021 1:28 pm
Forum: Student Social/Study Group
Topic: New Year Resolutions?
Replies: 54
Views: 233

Re: New Year Resolutions?

Just to stay more consistent in everything I do mostly, school, health, diet etc.
by 705512695
Sun Dec 13, 2020 12:24 am
Forum: Student Social/Study Group
Topic: Pre-Final Rituals
Replies: 12
Views: 148

Re: Pre-Final Rituals

Also are we supposed to use the same zoom link that we used for our midterms for final or is there another way the final is going to be proctored?
by 705512695
Sun Dec 13, 2020 12:22 am
Forum: Student Social/Study Group
Topic: Pre-Final Rituals
Replies: 12
Views: 148

Re: Pre-Final Rituals

705383815 wrote:I scream at the top of my lungs and then calmly enter the room

wow you're just like me.
by 705512695
Sun Dec 13, 2020 12:21 am
Forum: Student Social/Study Group
Topic: Last Minute Breather
Replies: 10
Views: 101

Re: Last Minute Breather

Im tired and ready for a break.
by 705512695
Fri Dec 11, 2020 6:39 pm
Forum: Lewis Structures
Topic: Tips on drawing Lewis structures
Replies: 20
Views: 167

Re: Tips on drawing Lewis structures

I find that remembering how many bonds an atom likes to from (B=3, C=4, 0=2, H=1...etc) really helps me break down a large structure.
by 705512695
Fri Dec 11, 2020 6:33 pm
Forum: Administrative Questions and Class Announcements
Topic: Wednesday Review Qs
Replies: 4
Views: 76

Re: Wednesday Review Qs

I would expect more questions similar to the textbook as the midterms were filled with them.
by 705512695
Fri Dec 11, 2020 3:57 pm
Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
Topic: Sapling #5
Replies: 5
Views: 68

Re: Sapling #5

Trevor_Ramsey_2J wrote:Hi I use this for solving pH or pOH problems :) https://www.sciencegeek.net/Chemistry/t ... nit8pH.htm

This graph is super helpful thank you for sharing it!
by 705512695
Fri Dec 11, 2020 3:45 pm
Forum: Conjugate Acids & Bases
Topic: conjugate acids and bases
Replies: 6
Views: 49

Re: conjugate acids and bases

Hi, the conjugate base is the one that has accepts protons. To form the conjugate base, we must lose the proton on HSO4- so that it can accept protons. Therefore, the conjugate base would be SO4 2- and the conjugate acid would be H2SO4 as acids tend to be proton acceptors. This helped so much thank...
by 705512695
Fri Dec 11, 2020 3:41 pm
Forum: Student Social/Study Group
Topic: Tips for Staying Focused
Replies: 52
Views: 604

Re: Tips for Staying Focused

Turning off my phone is a must in order to stay focus and I usually just play some background music while studying. It really helps.
by 705512695
Fri Dec 11, 2020 3:35 pm
Forum: Student Social/Study Group
Topic: studying for exams
Replies: 21
Views: 338

Re: studying for exams

I watch quick review videos online so that I get a grasp of the content then right after that I do some practice problems from the text book.
by 705512695
Tue Dec 08, 2020 5:14 pm
Forum: Properties & Structures of Inorganic & Organic Bases
Topic: Oxides
Replies: 3
Views: 60

Re: Oxides

I believe oxides are strong bases due to their very small size and high charge.
by 705512695
Tue Dec 08, 2020 5:11 pm
Forum: Student Social/Study Group
Topic: lavelle study review time??
Replies: 3
Views: 58

Re: lavelle study review time??

Hi, Im pretty sure it's at 5pm still unless something changes.
by 705512695
Tue Dec 08, 2020 5:06 pm
Forum: Student Social/Study Group
Topic: Final Exam
Replies: 11
Views: 121

Re: Final Exam

I think he might have meant that there will be more questions from the Quantum unit than other units.
by 705512695
Sat Dec 05, 2020 3:54 pm
Forum: Administrative Questions and Class Announcements
Topic: Chem 14A Final
Replies: 21
Views: 199

Re: Chem 14A Final

So we should really focus on the bigger units for this final?
by 705512695
Sat Dec 05, 2020 3:51 pm
Forum: General Science Questions
Topic: Video for topic review suggestions
Replies: 5
Views: 54

Re: Video for topic review suggestions

Organic chemistry teacher on YouTube I like a lot, those videos really slow things down for me and I gather a lot from them.
by 705512695
Sat Dec 05, 2020 3:50 pm
Forum: Student Social/Study Group
Topic: UA Sessions
Replies: 4
Views: 72

Re: UA Sessions

UA sessions come in clutch, they're the best!
by 705512695
Sat Dec 05, 2020 3:49 pm
Forum: Administrative Questions and Class Announcements
Topic: Weekly discussion points
Replies: 13
Views: 130

Re: Weekly discussion points

Does anyone know if we can make up for weeks we didnt get 5?
by 705512695
Sat Dec 05, 2020 3:48 pm
Forum: Student Social/Study Group
Topic: Sapling learning
Replies: 4
Views: 93

Sapling learning

Ccle isn't redirecting me to the sapling page to do my weekly homework, does anyone have the link or the name of the website where I can do my homework? I can not seem to find it anywhere else.
by 705512695
Sun Nov 29, 2020 11:04 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: polar v nonpolar molecules
Replies: 30
Views: 181

Re: polar v nonpolar molecules

Non polar molecules are symmetric while polar molecules are asymmetric. Polar molecules have a electronegativity difference between the bonded atoms. while Nonpolar molecules electrons are shared equal between atoms.
by 705512695
Sat Nov 28, 2020 4:59 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Delocalized Pi Bond
Replies: 5
Views: 17

Re: Delocalized Pi Bond

I think it has to do with resonance structures, since Pi bonds are found in double and triple bonds, a delocalized pi bond is found in structures where the double or triple bonds can be moved since they have resonance structures.
by 705512695
Sat Nov 28, 2020 4:55 pm
Forum: Dipole Moments
Topic: dipole moments
Replies: 4
Views: 18

Re: dipole moments

What if the electronegativity difference is equal?
by 705512695
Sat Nov 28, 2020 4:48 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: pi and sigma bonds
Replies: 17
Views: 123

pi and sigma bonds

How can we determine the number of pi and sigma bonds a molecule has ?
by 705512695
Sat Nov 28, 2020 3:47 pm
Forum: Student Social/Study Group
Topic: Finals!
Replies: 43
Views: 361

Re: Finals!

Will the final have more new material or will it be a balance of the whole year?
by 705512695
Sat Nov 21, 2020 3:14 pm
Forum: Bond Lengths & Energies
Topic: Bond Dissociation
Replies: 5
Views: 73

Re: Bond Dissociation

So the longer the bonds are the less dissociation energy the structure will have?
by 705512695
Sat Nov 21, 2020 3:07 pm
Forum: Bond Lengths & Energies
Topic: Bond Dissociation
Replies: 5
Views: 73

Bond Dissociation

How would we determine which element has a stronger bond dissociation energy ?
by 705512695
Sat Nov 21, 2020 2:29 pm
Forum: Student Social/Study Group
Topic: Study Tips for Final Exam
Replies: 57
Views: 464

Re: Study Tips for Final Exam

Step up sessions are really really useful! After not doing so good on the first midterm, I started attending more and I was able to fully grasp more concepts I was having troubles with.
by 705512695
Sat Nov 21, 2020 2:26 pm
Forum: Student Social/Study Group
Topic: Post Midterm Blues
Replies: 71
Views: 657

Re: Post Midterm Blues

I fell good after this Midterm 2 but I can help but think I messed up bad on somme parts lol
by 705512695
Sat Nov 21, 2020 2:24 pm
Forum: Ionic & Covalent Bonds
Topic: Covalent Character
Replies: 14
Views: 93

Re: Covalent Character

Okay so something with MgS and MgO which would have the most covalent character ? Would the Charges come into play at all?
by 705512695
Sat Nov 21, 2020 2:16 pm
Forum: Ionic & Covalent Bonds
Topic: Covalent Character
Replies: 14
Views: 93

Covalent Character

Hey y'all on the midterm 2 there was a question asking which element had the most covalent characters and I was just wondering what did that mean.
by 705512695
Mon Nov 16, 2020 12:02 am
Forum: Resonance Structures
Topic: Oxidation
Replies: 1
Views: 25

Oxidation

How do you determine the Oxidation number of an element in a Lewis Structure ?
by 705512695
Sun Nov 15, 2020 11:52 pm
Forum: Student Social/Study Group
Topic: Midterm 2 content
Replies: 20
Views: 176

Re: Midterm 2 content

Hi! Based on the homework that was due week 6, it seems like this midterm's content is not as focused on calculations but rather concepts and drawing Lewis structures. I would refer to the outline posted on Lavelle's website to know exactly what we should study, though. Lavelle also has office hour...
by 705512695
Sun Nov 15, 2020 11:50 pm
Forum: Lewis Structures
Topic: Lewis acid and Lewis bases
Replies: 8
Views: 96

Re: Lewis acid and Lewis bases

Rajshree 1B wrote:BeCl2 is a Lewis acid because the central electron can still accept electrons because of its Lewis structure. Be is bonded to Cl on both sides but there are still empty spaces where Be can accept electrons.

Thank you that makes more sense !
by 705512695
Sat Nov 14, 2020 5:04 pm
Forum: Lewis Structures
Topic: Lewis acid and Lewis bases
Replies: 8
Views: 96

Lewis acid and Lewis bases

Hello, I was having trouble with identifying the difference between a Lewis base and Lewis acid for sapling problem 6 in weeks 5. How do I figure out what is what when given a formula like BeCl2 for example ?
by 705512695
Sat Nov 14, 2020 4:50 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Midterm #2
Replies: 14
Views: 108

Re: Midterm #2

Hey y'all, when is midterm 2 again?
by 705512695
Fri Nov 06, 2020 10:06 am
Forum: Student Social/Study Group
Topic: Halloween
Replies: 7
Views: 98

Re: Halloween

I just had a fun evening of working at my local McDonalds :D
by 705512695
Fri Nov 06, 2020 10:03 am
Forum: Student Social/Study Group
Topic: Favorite TV shows
Replies: 189
Views: 1226

Re: Favorite TV shows

My favorite T.v. show definitely has to be regular show, and I recently went back to rewatch the show and it seemed like it was better watching it at my age right now. Definitely a good show overall.
by 705512695
Fri Nov 06, 2020 9:59 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8795
Views: 1493907

Re: Post All Chemistry Jokes Here

Hi I wanted to post some jokes onto the chemistry community but... but all the good ones argon.
by 705512695
Fri Nov 06, 2020 9:55 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 8795
Views: 1493907

Re: Post All Chemistry Jokes Here

I once heard Old chemists never die....They just stop reacting!
by 705512695
Fri Nov 06, 2020 9:51 am
Forum: Significant Figures
Topic: How to use Scientific Notation
Replies: 9
Views: 110

Re: How to use Scientific Notation

When multiplying two numbers in scientific notation, multiply their coefficients and add their exponents. When dividing two numbers in scientific notation, divide their coefficients and subtract their exponents. If you remember from math where we were taught how to multiply and divide with exponent...
by 705512695
Fri Nov 06, 2020 9:49 am
Forum: Lewis Structures
Topic: Lewis structures
Replies: 2
Views: 29

Lewis structures

Hello for sapling question 6 for week 5, Im not sure what's the difference between a Lewis acid and Lewis structure, can someone explain what makes them different?
by 705512695
Mon Oct 12, 2020 11:02 pm
Forum: Significant Figures
Topic: How to use Scientific Notation
Replies: 9
Views: 110

How to use Scientific Notation

When working with scientific notations, what are some rules when it comes to multiplying and dividing them? Especially when it comes down to the exponents.

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