Well... Despite crashing an burning on my 3rd exam, I think we ended off alright...3yr ⋅ RunDan16 ⋅ r/chemhelp
Hi, yes, so can anyone help me out with an IUPAC name for this? Thanks :)4yr ⋅ Tryptobphan ⋅ r/chemhelp
I recently started making illustrations of reaction mechanisms, mainly on topics covered by undergraduate courses. Check it out!4yr ⋅ Gandhis_Mother ⋅ r/chemhelp
Help needed for naming this SUS compound. A guy posted on Facebook this and I don't know how to name it. Please help3yr ⋅ themalick81 ⋅ r/chemhelp
I saw someone posted a question about a salt bridge. Here’s one I made with gelled electrolyte and cotton balls soaked on electrolyte.3yr ⋅ CodeMUDkey ⋅ r/chemhelp
Hello my dear chemistry friends.Does anybody has this Atlas of Organic Conversion Chart: An Aid in Perspective? If yes please help me by giving pdf or separate images as the product is unavailable.3yr ⋅ rafter28081 ⋅ r/chemhelp
I'm colorblind and have been staring at this for 20 minutes. What color is the number 5 on the pH paper?4yr ⋅ Social_Ascetic ⋅ r/chemhelp
What is this. My friends and I are looking at this tat and cannot figure out what this is pls help.2yr ⋅ Complex_Athlete_7117 ⋅ r/chemhelp
Recently HK police use helicopters to spread the UV fluorescent substance shown in the picture to people who are joining a protest. I would like to know what may this substance be and is there a simple way to remove it from the skin/clothes? And, is that toxic to human?5yr ⋅ koisuruwakisei ⋅ r/chemhelp
What is this chemical, it would be a cooler sticker if I knew what it was4yr ⋅ randomreddituser471 ⋅ r/chemhelp
My friend got this in his car and neither of us know what this translates to, his guess is Crack and mine is LSD.2yr ⋅ Veiy ⋅ r/chemhelp
Can someone explain in a really simple way why Penta-2,3-diene is chiral?1yr ⋅ Particular_Secret_65 ⋅ r/chemhelp
Can someone help me understand why this molecule is chiral? I don’t understand where the stereochemistry comes from, I feel like there aren’t 4 unique groups on that atom.1yr ⋅ iScarf ⋅ r/chemhelp
Very confused . Please help as I have a test tomorrow . Thanks !1yr ⋅ Electronic_Comb7733 ⋅ r/chemhelp
Is this hydrocarbon possible to create? If not, why? If it is, what is it named?3yr ⋅ wh2stle ⋅ r/chemhelp
What is the chemical on this button? I thought it would be easier to figure out what it was. Thanks in advance!3yr ⋅ vulnerablevulvaa ⋅ r/chemhelp
isn’t this compound named incorrectly? shouldn’t the methyl come before the isopropyl?2yr ⋅ These-Annual-4041 ⋅ r/chemhelp
Chemical garden trial run. Does anyone know how to preserve the growth cause it's too brittle, and I want to keep it for longer.3yr ⋅ DJ-Monke ⋅ r/chemhelp
Is this correct? I know benzylic position is more reactive but I'm not sure if this is right or it will form the carboxylic acid.1yr ⋅ errece20 ⋅ r/chemhelp
Can anyone tell me the IUPAC name of this? I literally cannot figure it out1yr ⋅ Kfreeman7794 ⋅ r/chemhelp
Problem 16. The answer is C (according to the key) but I cannot figure out the logic behind the correct answer2yr ⋅ Littleredpb99 ⋅ r/chemhelp
Doesn’t this reaction just happen by itself without adding anything?1yr ⋅ confusedperson___ ⋅ r/chemhelp
Is this mechanism correct for the benzoin addition of benzaldehyde using thiamine hydrochloride and base?3yr ⋅ FailedKamikazePilot1 ⋅ r/chemhelp
Are these all real molecules? I’m not used to seeing ring-like structures that are open in a few of these3yr ⋅ too105 ⋅ r/chemhelp
Why is my choice wrong? Wouldn’t that be the most stable? It follows the octet rule and has the least amount of charges1yr ⋅ KindaNotSmart ⋅ r/chemhelp
Does this synthesis work on paper and/or is there a way to streamline it? It seems awfully cumbersome.2yr ⋅ FailedKamikazePilot1 ⋅ r/chemhelp
Is it correct to say that as quantum number, n increases, the probability of finding an electron also increases? Thank you!3yr ⋅ Psychological_Sign42 ⋅ r/chemhelp
Could this molecule exist? I couldn't find it on PubChem. If not, why not?2yr ⋅ thecantorset ⋅ r/chemhelp
This is printed on a shirt. I tried building it but I can’t replicate it. Help!3yr ⋅ FirecrackerBB ⋅ r/chemhelp
I had to draw H-bonds between water and Acetone. Did I do it correctly?1yr ⋅ FinancialTry1459 ⋅ r/chemhelp
I found this molecule drawn on a mug my parents offered me recently, any idea of what it is?4yr ⋅ MIKOTheDjentleman ⋅ r/chemhelp
Can someone help explain why there are no chiral centres here? I thought chiral centres have 4 different attachments?1yr ⋅ Future_Pumpkin3674 ⋅ r/chemhelp
I am wondering why this website states the molecular formula being C7H9 ? I have counted several times and got 10 H-Atoms... Is this an error or am I missing something?3yr ⋅ 0001010101ems ⋅ r/chemhelp
Which one would be the most acidic? I think the answer is A, but I am uncertain.3yr ⋅ Badger147013 ⋅ r/chemhelp
Do you draw benzene as in one stroke or do you split it in half? I always end up with a too small side.1yr ⋅ Aggravating-Fee-1620 ⋅ r/chemhelp
I am struggling to understand why this is the answer and how they got the charges.3yr ⋅ Xxrdy2diexX ⋅ r/chemhelp
Why is D not the correct answer if it is made up of covalent bonds? (I understand that Diamond has 4 carbon atoms covalently bonded to another)1yr ⋅ RedxOsa ⋅ r/chemhelp
This is stupid, but how would I calculate the cumulative percent yield for this sequential synthesis? Group mates and I have conflicting calculations.1yr ⋅ RevolutionaryEbb9352 ⋅ r/chemhelp
Im trying to visualize Shells, Subshells, and Orbitals and I try to drew a diagram for the Neutral Oxygen Atom (only drew until the 2nd shell of the Atom - i know that it exceeds that). I just want to know if my visualization (drawing) of the Shells, Subshells and Orbitals is correct.1yr ⋅ maurerrrr ⋅ r/chemhelp
Hi guys, I knw this place is more of a scientific place bt here I am asking you a hack for a real life problem. Pls check the photo for reference. So we are trying to keep the white portion of fresh coconuts intact for a few days. I wanted to know what acid/compound can be used to solve this?4yr ⋅ justfu ⋅ r/chemhelp
What are some commonly found/made-around-the-house compounds that have pretty drastic hot/cold solubility differences? my state closed schools until May and recrystallizing stuff is a fun way for me to pass time, but I need more compounds to do this on. my KNO3 results shown below, also done KCl4yr ⋅ AlexWelles ⋅ r/chemhelp
Does anyone know why the NH in serotonin doesn’t also undergo the condensation reaction with the CH3COCL?3yr ⋅ Brocolee517 ⋅ r/chemhelp
Below is someone's answer to how to determine from a formula if something is an acid or a base. But then, how is NH3 a base?1yr ⋅ Medical_Brain_1489 ⋅ r/chemhelp
A friend sent me this asking what it was, and I don’t recognize it at all from when I took organic/biochemistry.4yr ⋅ ClarentWielder ⋅ r/chemhelp
What is the name of this molecule? I drew it as an isomer of C4H6, but I have no idea on how to name it.3yr ⋅ czypsycebulowe ⋅ r/chemhelp
I’m bored and I have these reagents at home. Any suggestions on what can I do with them? Any interesting reactions?4yr ⋅ condeisaacc ⋅ r/chemhelp
Hi all, I know his should be super easy, but l can't figure out how to name this molecule3yr ⋅ Adamski_G ⋅ r/chemhelp
Why can’t H2O be the answer since it can act as both Lewis acid and a Lewis base?3yr ⋅ AIcoffeeparty ⋅ r/chemhelp
disclaimer: i already used all my attempts for this assignment so i am in no way trying to ask for answers. i need help, i don’t get when you need to multiply, or divide.2yr ⋅ nijalang ⋅ r/chemhelp
Is this correct? The question is How many moles of Ca2+ ions are present in 5.67 moles of Calcium phosphate?3yr ⋅ Majestic-Ad-4973 ⋅ r/chemhelp
How is my product wrong??? Isn’t the Cl supposed to be on the secondary Carbon?1yr ⋅ Azngorl ⋅ r/chemhelp
I'll be taking a test in chemistry & couldn't find info online on what these arrows mean in the process of dissociation. My teacher didn't really explain it that well, so I'm asking you guys.3yr ⋅ Jacky-Mo ⋅ r/chemhelp
Why do reactions..... happen? I'm in my 2nd year of uni and way too scared to ask my tutors but I don't understand why in reactions the arrows/electrons push in and cause all of mechanisms to occur? Picture is just an example but I don't quite understand whats the driving force behind it3yr ⋅ wornfoa123 ⋅ r/chemhelp
Partner and I know what the symbols are but couldn't find a search engine for chemical formulas. Popped up in the background of a show. Is this a real chemical or just a gobbledygook background image?2yr ⋅ -existence-is-futile ⋅ r/chemhelp
In a phospholipid, what happens to the hydrogen of the hydroxyl in the part of glycerol that attaches to the phosphate?3yr ⋅ WackyGlory ⋅ r/chemhelp
Can someone help balance this equation? I’m having such a hard time.3yr ⋅ rubberboattree ⋅ r/chemhelp
I just wanted to check if I had put these structures into the correct boxes? I was a bit confused as I thought the nitro group would have acidic characteristics not neutral.2yr ⋅ leptonomo ⋅ r/chemhelp
