# All Questions

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4 views

### Shape and overlapping

In a solid the atomic orbitals of the atom overlap forming energy bands.I was wondering:Besides the fact the overlapping atomic orbitals must have approximately the same energy,must they also have the ...
10 views

### How do I find major product of aromatic compounds halogenation?

I would like to ask, how do I find major product of aromatic compounds halogenation. For instance if I take propan-2-yl-benzen it is quite simple - because of electronegativity of propan-2-yl. On the ...
17 views

### How to prepare 96% ethanol from 100% ethanol (200 proof)?

can someone please help me calculate how to make 96% alcohol using 100% ethanol (or 200 proof)? According to European Pharmacopoeia (EP), ethanol content is calculated from the relative density using ...
15 views

### Reduction of alcohol to alkane

I have been looking everywhere for hours now, and can't find anything on a simple lab reduction of an alcohol to an alkane that doesn't involve any "fancy" reagents such as tosylates, metal ...
26 views

### Can I break a chemical bound with just the force of my hand? [duplicate]

In chemistry, bounding energy is at the level of the electron-Volt. Do I understand correctly that since this is very low, I could easily break a chemical bound just with my hand ?
20 views

### Cinnabar decomposition by heating optional method?

Is it possible to decompose cinnabar into $\ce{Hg}$ and $\ce{S}$ instead of $\ce{Hg + SO2}$ with roasting and heating. What conditions need to be satisfied in the new method?
8 views

### Calculating compound phases

Is there a pragmatic approach to estimating phases for compounds? There is not much connection between the heat-capacity of a compound and the heat-capacity of the elements it is made of. Heat ...
8 views

### Conversion factor for conductivity of an aqueous solution

I am not 100% sure if this is the right place to ask, but please point me in the right direction if not. I am designing a conductivity meter, and when it comes to displaying the results in mS/cm or µS/...
15 views

### Extracting elemental sulfur from pyrrhotite [closed]

How can elemental sulfur be extracted from iron (II) sulfide? Thank you.
8 views

### Solute and Solvent classification in a Solution

When I look up the definition of solute and solvent, the definition by the Oxford English Dictionary is ...
20 views

### Trans/Cis Alkene with mCPBA products?

What is the different in stereochemistry between the product of cis alkene with mCPBA and trans alkene with mCPBA, I drew the products, they do look different but the configurations are the exact same,...
10 views

### Heating of silicone oil (oil bath)

Is the temperature of plate same with oil temperature while using oil bath technique? If it's not like that how can we determine temperature of silicone oil as a regarding in increasing temperature of ...
13 views

### Can ink manufacturing companies use isobutanol instead of n-butanol? [closed]

Will there be any harmful effect if isobutanol is used instead of n-butanol? Will there any major change in the final product?
12 views

### Which compound mixture(s) can yield rapidly solidifying product?

I am trying to find compound mixture(s) which can rapidly solidify on mixing and can air seal a ceramic pipe opening. The mixture has to solidify rapidly and reaction takes place at (rapidly cooling)) ...
13 views

### Is the theory of Brownian Collisions and Coherence Domains in water compatible?

I've read some works of Emilio del Giudice about coherence domains in water. However I saw this interesting article on Brownian Collisions which make the formation of these coherence domains something ...
12 views

### IUPAC Nomenclature using Iso alkoxy groups

Is the name of the compound 4-isopropoxy-pentan-2-one or is it 4-(1-methylethoxy)pentan-2-one... Are both the correct "systematic" names or am I messing up:'.
17 views

### Distinguishing between chain isomerism and metamerism [duplicate]

Of all the examples that I could find for chain isomerism, most are alkanes and the rest are amines. i) Does this mean that when other functional groups show 'chain' isomerism it is termed as ...
21 views

### Organic Chemistry: Hybridization

Is it right to say that the orbital of carbon is s2p2? sorry i forgot the basic. i'm working on steric #s for hybrids ( # of sigma bonds + the lone pairs) but how about just the carbon? i get it when ...
20 views

### Bomb Calorimetry Part 2

So I am very confused as to the calculations behind this. I am given a chart of data as followed:enter image description here So based on this chart, I had to calculate: The heat capacity of the ...
12 views

### Selectivity in Thermodynamically-Driven Silyl Enol Ether Formation, and Optimistic Avoidance of Protecting Group Chemistry

I am aware of the regioselectivity of silyl enol ether formation at an unsymmetrical ketone under 'thermodynamic conditions'. Does this selectivity extend to systems containing more than one ketone ...
33 views

### Can a deprotonated compound act as an acid?

Under the Bronsted-Lowry theory of acids and bases, an acid is anything that can donate a proton. Would a non-metal anion like $Cl^-$ be able to act as an acid then? Does this further mean that any ...
20 views

### Catalyst and Inhibitors home experiments

My teacher assigned me a science experience involving catalysts and inhibitors at home. I think I understand the principle of it, but I fail to find possible experiments that I can do at home with a ...
19 views

### Bomb calorimetry Calculations

So I am very confused as to the calculations behind this. I am given a chart of data as followed: So based on this chart, I had to calculate: The heat capacity of the calorimeter on benzoic acid ...
28 views

### When do atoms hybridize, and what initiates it?

I am new to chemistry, and taking an intro course. We are currently learning about hybridization, which I am having some trouble understanding. Let's take carbon for example. I understand that a ...
15 views

### Why is stannous chloride a nucleophile when it has an empty p orbital? Why isn't it an electrophile?

I'm an undergraduate chemistry student so I apologize if this is a simple question, but in my lab we used stannous chloride in the presence of water and HCl as a nucleophile to attack 2,6-...
15 views

54 views

### How to make a python code that can read a .xyz file and find distance, angle and dihedral angle between atoms?

I want to make a python script that will load an xyz file. From the xyz parameters, I need to find the distance between atoms, angle and dihedral between atoms. Any help? EDIT: Sorry for not ...