All Questions

What is the link between the number of carbon atoms/ types of carbon bond in a fatty acid and the amount of energy it releases when combusted as a biofuel.

What are some possible errors while collecting the volume of a gas through displacement of water in a pneumatic trough? Assume gas is oxygen, for context

When CO2 is transferred from CO2 cylinder to reactor tank till the pressure reaches 400 bar with temperature at 60*C.What will be the state of CO2 in reactor tank either liquid or gas ?

I need a brief account of Characteristic properties of (i) metallic conductivity and (ii) semiconduction in solids

Nitrogen's valenc number is 3. Sometimes it can form a co-ordinate bond by donating it's lone pair electrons. In diazonium ion N has 4 bonds, then one of those 4 bonds must be a co-ordinate bond. ...

In class, my chemistry teacher told me that NO(g) produced will react with O2 in the air to form NO2 since there is a single electron in the molecule, but I found there still has a single electron in ...

What are the anode, and cathode equations for a redox reaction including lithium manganese oxide? I'm completting an assignment regarding lithium button cells and am having trouble finding a correct ...

This is a step from Appendix A in Szabo and Ostlund's Quantum Chemistry. In short, the question is how to get from A.20 to A.21. We can factor out some constants in the expressions to get: A.20: $$ \...

An explanation would by greatly apprciated. As far as I know the conversion involves Markonikov Rule and Saytzeff Rule.

How/Why is Amagat's law applicable for ideal gases? Since the molecules of gas occupy negligible volume then logically for a mixture of ideal gases each gas in the mixture should have volume equal to ...

Suddenly thought about this 2 compounds that have the same(?) name? Aren't both of them methyl propanoate? How do we differentiate them apart name wise?

Doing some research I cannot seem to find a second common charged form of Manganese? Only can find Mn²⁺, but I need a second. For example for Mercury there is Hg₂²⁺ and Hg²⁺. Anyone got any ideas?

Once we've learned basic oxides, hydroxides are straightforward. However, learning oxyacids from acid oxydes seems more difficult. Take the following reactions: $$\ce{CO2 + H2O <=> H2CO3} \\ \...

Iron Oxalate ions form an emerald green solution when dissolved. If the ions in solution appears emerald green to our eyes, what color of visible light is it mostly absorbing? What does that tell you ...

using the MS spectrum, can you please help identify the possible fragments of 1-bromo-3-methylbutane. Also how to identify it using the IR spectrum.

ASTM D1209, the method describing how to perform the Pt-Co color scale test for a sample, recommends reporting material that can't be matched to a particular standard as "off-hue". For color based ...

I soaked my rusty cast iron pans in a solution of vinegar and water. The solution evaporated and left a hard crusty layer on my cast iron pans. What is it, why did it form (besides the fact that got ...

I know that the 2s and 2p (as well as 3s, 3p, and 3d) electron subshells are degenerate in the hydrogen atom. I was wondering if they are also degenerate in other one-electron species, such as the $\...

Aqueous chlorine is added to a solution of aluminum bromide in a single replacement reaction which forms no precipitate and bromine liquid. Since this is a single replacement reaction, it will take ...

How will carbocation be formed, will it form by leaving of N2+ or by attack of hcl on OH group and what product do we finally get here?

I want to know the mechanism and the intermediate involved in riemer tieman reaction.I also want the names of the compounds involved in this reaction.

I searched for the reactions of alcohols with alkyl halides but did not find any good stuff. My professor asked me the following question. Which one of the following is more reactive with Ethanol(...

Quite often when reading through some instructions or documentation or an outline that I've found online (EG: acid-base extractions), theres a step that involves using a "dilute hydrochloric acid ...

I was wondering if anyone would be able to check my method for my Chemistry Internal Assessment on the Rate of hydrolysis of Aspirin. Independent variable (I am changing): temperature (degrees ...

This is what a perfluorooctanoic acid molecule looks like. The carboxylate on the end would normally disassociate in water because carboxylic acids are weak, but because of the fluorocarbon tail, the ...

I can't decide whether the compound will get dehydrated (due to extended conjugation in the product) or if it will opt for pinacol-pinacolone rearrangement?

Calculate the reduced mass of HCL & HF and prove force constant of HCL is > force constant of HF .Given that vibrational frequency of HCL is 288cm & HF is 3958cm .Reduced mass of HCL is 1.63 x ...

I want to dilute an industriel coating Ultra Ever Dry (Bottom coating) wich has this composition: Acetone, Xylene and tert-Butyl acetate. I wonder witch is the best solution to use for dilution? ...

Recently, in my chemistry lesson, we were discussing the mechanism of the bromination of alkenes. The teacher brought up the involvement of the cyclic bromonium intermediate. She also mentioned that ...

I know that cycloalkanes are a homologous series of their own and not an isomer of alkane. But does the same general formula as alkenes make them an isomer of alkene?

so I know that hess's law is a indirect way to find the heat of reaction using the known heat of reaction of 2+ thermochemical equation, thus the formula is delta heat of reaction = enthalpy of ...

I have seen the structure of triiodide ion ($\ce{I3-}$) but I cannot understand why this structure is even possible. I have seen in my textbook that $\ce{I_3^-}$ is formed by combination of $\ce{...

I've read that nickel-63 is used in surge protectors and voltage regulators. What is it about nickel-63 that makes it particularly suitable for those applications?

The reagents I have used here are $\ce{LiAlH_4}$ which reduces the carboxylic groups into alcohol.Used $\ce{HIO_4}$ which breaks up the molecule into methanal. Then I applied Grignard reagent which ...

I have learnt that the reaction of 1,3 Butadiene with HBr depends on the temperature as the temperature determines whether the reaction is under kinectic control or thermodynamic control. I believe ...

I am a student and as part of a project of mine I need to find a way to filter leachate. Would reverse osmosis and nanofiltration be the best option or are there more effective alternatives? ...

I want to make a shallow pond (3 - 4 ft. max depth) lined with bentonite for both my ducks and willow tree. However, the willow's roots need to be able to penetrate the pond liner and thus the liner ...

I want to study aqueous solutions of proteins using THz spectroscopy to gain insights about the different vibrational modes and the solvation dynamics. Can someone suggest some interesting proteins to ...

Slime recipes seem to be a craze at the moment. My eight-year-old daughter is swapping recipes with friends and looking up recipes online. This is fantastic because it is home chemistry and an entry-...

Could anyone tell me why this reaction is Sn1 and not Sn2? Ps; there is a small mistake with the phenyl (the OH should not be there)

I know that conventional bleach, Sodium Hypochlorite (NaClO)bleaches coloured chemicals like lycopene by breaking the conjugated pi bonds in lycopene. The O-Cl bonds in bleach causes the Cl to be ...

Could someone clarify for me why h is determined from the lower liquid level to the higher lower level instead of say the bottom center of the bend?

I am trying to figure out which tautomer of creatinine: is more stable. We see that the enol tautomer is more highly conjugated: the pi electrons from the alcohol to the double bond to the pi ...

I'm having some difficulty understanding what a formal charge is. I know how to calculate it and what it's used to determine, but I don't know what the numbers represent. For example, in methane, the ...

If something flammable is surrounded just by oxygen, I should see flame, right? The object would be even surrounded by more molecules than in the case of gas oxygen. On the youtube I see that people ...

I have the solution In it shows a carbocation on the right ring But isn't it unstable as it is near the carbonyl group(I effect destabilising the carbication before ring expansion)

Why are the following compounds diastereomers ?

I am from Kerala India. We are flooded here. Public water supply is stopped and facing scarcity in drinking water. I remember, in my childhood, after our play, we used to drink water from a well.That ...

The answer to this question is option (d). Can anyone please explain the reason?

In a reaction between mercury hydroxide and phosphoric acid, how many atoms of mercury are produced?