I do not understand how to synthesize this polymer. Please, help

1yr ⋅ ⋅

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Significant Figures. I keep finding the answer 5, the online calculator 2, and book says 4. Please help me and explain

2yr ⋅

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Why the positive charge on the right compound cannot be delocalized?

4yr ⋅

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How do both electrons from the lone pair in NH3 get used to make the extra N-H bond in ammonium? If the H is already sharing 1 electron would that not mean the bond will have 3 electrons instead of 2?

2yr ⋅

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Did I do this question correctly?

3yr ⋅

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I have this cloth dyed with Azo Violet from a lab I did recently. As you can see it's not very violet. Since Azo Violet turns violet at high pH, do you think if I dip it in NaOH it'll turn violet? Or is it too late since it's already been dyed?

2yr ⋅

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Why is the left compound considered aromatic? Isn't the top carbon sp3 hybridized since it's connected to 3 atoms and has 1 lone pair? Wouldn't this make it tetrahedral (not planar) and not aromatic?

1yr ⋅

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For a., can someone explain how 7 is S and 8 is R? I’m having trouble prioritizing carbons in a chiral center

3yr ⋅

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Confused regarding charge of histidine

5yr ⋅

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How to name nitriles ? We are taught to name as follows “longest chain is the stem and adjacent groups to longest chain are branches” and by that rule nitrile must be a side chain in some products of the addition of HCN to aldehydes/ketones yet all their products are somehow 2-hydroxynitriles ?

2yr ⋅

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How is the ans C?

4yr ⋅

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Is this mechanism correctly done for the reaction at the top?

4yr ⋅

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Shouldn’t this be 2-methylbenzoic acid? Any help is greatly appreciated!

2yr ⋅

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Don’t understand why some answers aren’t correct, please help

1yr ⋅

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Why is this? Aren't the rings delocalizing the negative charge? Or is it about sterical hindrance?

4yr ⋅

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[College Level: Organic Chemistry] Nomenclature: I am wondering if I named this molecular correctly?

4yr ⋅

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Is it b or d?

4yr ⋅

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What's the correct name for this haloalkane?

2yr ⋅

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Is there a reason why the resonance form in the center is less stable than the other two?

4yr ⋅

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Would these be suitable reagents for the following transformation?

4yr ⋅

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My buddy and I have been trying to figure this question out. Getting different results. Textbook says it’s 300 Kelvin. We got 412 Kelvin.

1yr ⋅

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I was doing a covid test and got the liquid solution all over my hand for ten minutes. Is this extremely toxic?

1yr ⋅

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Prof put a crazy synthesis with destroying carbonyl and remaking it. Does mine work???

4yr ⋅

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Why is c) covalent and d) van der Waals forces? I put that they're both vdW, isn't it intermolecular forces we're talking about?

2yr ⋅

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Can someone explain to me why my prof said that step 2 of this reaction is the rate determining (slower) step? I thought it would be step 1 because it looked like that had a larger activation energy.

1yr ⋅

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I am not sure how will the H+ affects the proton action of the compound.

11mo ⋅

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Why does the S have a negative charge, and the N a positive charge?

11mo ⋅

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Having trouble with this question. I am not sure if I am doing it correctly.

1yr ⋅

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Is the carbon circled in red a chirality center?

4yr ⋅

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Big beginner here, I don't understand how to use 0.4% in this question

3yr ⋅

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What does it mean for an unknown substituent to be bonded in between two carbons? Does this mean it could be bonded to either the fourth or fifth carbon?

4yr ⋅

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Is a SN2 mechanism the explanation for the 100% inversion? Is ethanethiol a strong enough nucleophile?

4yr ⋅

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Can someone please help me I tried putting it in my calculator and I got something completely wrong how do I also make this answer to have significant figures?

1yr ⋅

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Two questions, info in comments

1yr ⋅

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E or Z? We are debating.

4yr ⋅

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What does sep diast mean in this rxn? Been googling it but no results. thanks

2yr ⋅

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What is the difference between these 2 notations? Is the one on the right an average? How do you know how many values to take the average of? Or is that something you choose

4yr ⋅

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I believe a and b are enantiomers of A. Am I correct?

4yr ⋅

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Help this is very confusing

1yr ⋅

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How is the Phosphorous in a Phosphate Group a stable atom? Presuming it follows the Octet Rule, it's filling out its valence shell from its double and single covalent bond from two oxygens, but then there's two other single covalent bonds with Oxygen ions, bringing it to ten electrons. (pic)

2yr ⋅

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Are these enantioners?

1yr ⋅

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I am stuck on the top problem. I don't even know if I have a good start.

1yr ⋅

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What is the product? If the negative charge on oxygen comes down to form a double bond and the original double bond connected the CH3 to the central C, wouldn’t that break the octet rule?

3yr ⋅

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Naming

1yr ⋅

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Reaction mechanism to form pyrimidinone ?

1yr ⋅

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I'm stuck on this mechanism. Could someone get me on the right track?

3yr ⋅

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I was wondering , after the addition of Br2 to Molecule A , is it possible for such an intramolecular attack to take place ? and if it is , which cycle is more favored ? or do they both form ?

3yr ⋅

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Can Ethanol undergo a reduction reaction like this (Grade 12 chem)

4yr ⋅

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Trouble understanding circled portion of this question

1yr ⋅

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Anyone know the name of this molecule? I guessed 7-bromo-3-octanone, but there's also a double bond I don't know how to incorporate

3yr ⋅

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Why is 2x ignored here?

3yr ⋅

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Can somebody please help me with this?

2yr ⋅

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In the given reaction, which specie will act as a base (Sodium ethoxide or ethyl alcohol)? and why?

2yr ⋅

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Why are glucose and galactose different? Isn’t there free rotation about the single bonds, making it the same molecule? Do they only become different molecules in the cyclic form? Or are they truly different even in the linear form? And if so, why?

4yr ⋅

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I need help solving this

1yr ⋅

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Ortho vs Para intermediate stability question for substitution on an already substituted benzene

3yr ⋅

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[College : Orgo 1] Is this the best skeletal formula for the given compound?

3yr ⋅

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Is there a way of completing this without having planck’s constant memorized?

4yr ⋅

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Will I obtain H2SO4 from electrolysis of Copper (II) Sulfate?

3yr ⋅

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My teacher said that for polycyclic compounds, we should check outer perimeter for Huckel's rule. But I'm confused with this one, as there are two ways to draw the Benzene bonds. Please help.

3yr ⋅

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How can I extract copper metal from this pot?

1yr ⋅

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2,3,3,7,7-pentamethyloctane. This IUPAC name looks correct to me but I’ve never encountered a 5 methyl structure before. Should this be worded different?

1yr ⋅

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Can anyone explain what got reduced in this reaction?

1yr ⋅

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Is this compound aromatic. My books says it’s aromatic but my teachers key says it’s non-aromatic.

1yr ⋅

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How do you name this compound? Is Prop-2-en-3-imine-1-oic acid an applicable name for it?

4yr ⋅

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What product is formed here?

3yr ⋅

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what type of bottle do you prefer to use? Reagent or media bottle.What is the difference?

5yr ⋅

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Would this be the correct structure for Cu(C2H3O2)2?

4yr ⋅

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would this work by first reducing with LiAlH4 and then treating with a base?

3yr ⋅

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What’s a chem related explanation as to why these geometric ice pieces formed in a container in my freezer?

2yr ⋅

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I can't figure out how the ketal is formed.

3yr ⋅

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Got some nice crystals. 4-methyl cinnamic acid methyl ester

5yr ⋅

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Can someone explain why exactly the Br splits

4yr ⋅

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How do I know fire sure if the complex is inert?

11mo ⋅

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I just finished with exams this week and on the chem test this was one of the questions. I tried solving this question again and my answer is off by 0.02. Is there anything wrong with my calculations or formula? Thanks!

3yr ⋅

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is the reaction exothermic or endothermic

1yr ⋅

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My book says both will contribute equally as separation of charge is similar but shouldn’t the left contribute more as a secondary carbocation is more stable?

4yr ⋅

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Apparently the answer is 176 but I don’t know how to get to it.

1yr ⋅

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Why do we add 2e- in the RHS instead of just adding 2e+ in the LHS to balance the charges in the equation?

2yr ⋅

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What would the IUPAC name be?

4yr ⋅

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How do I predict the behaviour of this compound in water and diethyl ether?

4yr ⋅

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What is the mechanism for this reaction? Also what is its motivation to happen because the double bond is not in conjugation anymore in the product, is it because double bond on a carbon in a chair conformation destabilize or something?

1yr ⋅

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Why is this 7-ethyl-3-methyldecane and not 4-ethyl-8-methyldecane

1yr ⋅

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For 20, how would you mathematically solve without Ka

1yr ⋅

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What’s wrong with this synthesis?

3yr ⋅

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How do I do this, I can’t seem to find a strategy in order to attach the linear molecules in this way

3yr ⋅

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Why is this series said to be incomplete? I can't see how it is incomplete

1yr ⋅

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[Organic Chemistry: Mechanism] I am wondering if this mechanism that I made is correct? If I went wrong, please explain why?

3yr ⋅

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can anyone plz help with this question? I’m not knowing how to find V of NH3 and Cl2

1yr ⋅

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The lone pair would resonate to the carbonyl before attacking the methyl bromide, right?

4yr ⋅

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Can someone help me find which -OH group is the most acidic in adrenaline and why.

2yr ⋅

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Is my answer wrong or is it also correct? The question is about SN2 transition states

3yr ⋅

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Any software to overlay multiple chromatograms?

5yr ⋅

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What type of reaction is this and what reagents are involved?

4yr ⋅

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What could be the mechanism for this reaction? I feel like theres a rearrangement taking place after formation of the carbocation, but where does the second OH go?

3yr ⋅

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Help determining first 3 positions of intensity peaks?

4yr ⋅

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What mechanism will give me the major product here? I thought about SN2 since were under H2O and a primary alkyl halide.

1yr ⋅

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[Advanced Organic] What is the reaction taking place in (i)? I’ve never seen anything like it before.

4yr ⋅

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What are the reasons these Amino Acid side-chain R groups do not have a pKa? No pKa means that hydrogens can neither leave or attach to these amino acids, right?

8mo ⋅

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Can anyone help with D and E?

4yr ⋅

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SN2 Reactivity

11mo ⋅

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I don't understand how to balance a redox with H2O2 in it, please help

1yr ⋅

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Reaction of an unsaturated alcohol with diluted sulphuric acid. How will the reaction proceed?

1yr ⋅

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How does 1,3-dibromocyclohexane have 2 chiral centers rather than zero? (My reasoning is in the replies)

2yr ⋅

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I need help naming this organic compound

1yr ⋅

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[College Level: Inorganic Chemistry] Acid-Base Equilibrium Problem: This problem involves solving for the pH of a base both before, and after an acid is added to the solution. I believe I solved the first portion correctly, but like before I am once again stuck on the second half. Thank you so much!

4yr ⋅

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How do you balance ionic equations? I balanced it the normal way and put a 2 in front of the OH- but I don't know if that's right. (Ignore the r in a circle I don't know what it is)

3yr ⋅

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highschool chem!!! pls help, how do i know which reaction is faster?

4yr ⋅

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What would be the strongest base and worst leaving group be? Also not quite understanding why H2O is weakest base and best leaving group 😅

1yr ⋅

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i'm confused about which one is correct or if both are correct in with scenario should i use for each

1yr ⋅

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Can someone help me with 2 and 4? I don’t remember how to synthesize these reactions

3yr ⋅

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Boiling Point CF2CF3 vs CH2CH3

4yr ⋅

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Newman Projection + Torsional Energy Graph Clarification

1yr ⋅

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Which buffer out of these three is suitable for simultaneous determination of Mn and Ni in voltammetry and why?

3yr ⋅

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Can anyone help me identify this compound? It is supposed to be an oxygenated gasoline additive, but I can't seem to figure it out.

2yr ⋅

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I don't even know where to start, so a push in the right direction would be very much appreciated

3yr ⋅

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Functional groups are really messing me up - how is that OH not an alcohol? Am I wrong that R is the rest of the molecule? Isn't the carbon attached to the OH part of the rest of the molecule?

1yr ⋅

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I’m trying to figure out if NH3 can act as a Bronsted - Lowry acid. Did I do the reaction correctly? Thank you. (Reposted because the arrow on my 1st post is incorrect. I drew double headed arrows for resonance structures).

1yr ⋅

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For problem B, how does NaNH2 know to deprotonate the proper H's to form the alkene and then the alkyne in the proper direction? I see multiple Beta Carbon Hydrogens that can cause the alkene/alkyne to form in two different directions. Thanks!

1yr ⋅

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weird looking organic compound... how do we call the red substituent?

4yr ⋅

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What's the fastest way to solve this? I can't imagine writing down or thinking up all of the isomers. Is there any formula?

2yr ⋅

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Book says they are enantiomers. Why wouldn’t they be structural isomers?

2yr ⋅

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The answer is A, but I don’t understand why. Anyone care to shed some light on this?

4yr ⋅

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Does anyone know why the carbon g is more downfield than carbon e? Carbon e is a tertiary carbon and I thought therefore it will have a higher ppm? Also why is b higher than a?

4yr ⋅

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A question that was on my exam this morning. Still have no idea how this would happen

4yr ⋅

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Help? Stuck is n=c/v step one?

4yr ⋅

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Does this seem right?

4yr ⋅

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I think the answer is C. Professor says it’s A. Who is right?

4yr ⋅

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I don’t know what’s being oxidized in this reaction and need help writing each cell reaction

2yr ⋅

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Why is the Lewis dot structure for HCOOH written like the bottom but not the top? Doesn’t the top satisfy the octet rule?

4yr ⋅

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I got a 0 but I do believe this is right. Can anyone tell me why is this wrong?

4yr ⋅

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I've restructured my synthesis. Does this look plausible?

4yr ⋅

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seriously,what's the correct formula caocl2 or caocl2?

1yr ⋅

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Does it equal 7200.0 or 0.7200 mg/ml ?

3yr ⋅

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Please explain how the ring structures of Testosterone connect and why it has 28 H's (I count 29)?

2yr ⋅

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Can you guys please explain this to me my friend told me the answer but I want to know why and how

4yr ⋅

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Buffer solutions exercise (more in comments)

2yr ⋅

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Did I draw the bond-line structure correctly for 5a? I'm unsure what to do with the alkane on the bottom.

5yr ⋅

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What are these structures called?

11mo ⋅

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difficult reaction for me, am I thinking at least somehow correctly? Thanks

2yr ⋅

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What is the reaction mechanism here?

2yr ⋅

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How can I find the groups of these electronic configurations ?

4yr ⋅

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What is the oxidation number(s) of the 3 carbon atoms in the molecule?

1yr ⋅

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Why does increasing the temperature of water make it more acidic? Like if H+ concentration increases, wouldn't OH- concentration do the same because one molecule of water dissociates to give one of each?

4yr ⋅

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I'd just like to know if I'm on the right track for a Huckel theory problem please

5yr ⋅

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Question about Significant resonance structures

1yr ⋅

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