All Questions
Tagged with aqueous-solution reaction-mechanism
34
questions
-1
votes
1
answer
98
views
what will happen if we add lithium cobalt oxide into water?is it true that molecule will break and lithium will make LiOH and CoO2? [closed]
I have tried to dissolve powder coated on cathode of lithium ion batteries.
1
vote
2
answers
70
views
Should I give an endothermic reaction the exact energy it needs to occur or can I give it in parts?
I know this might be a silly question, but should I sustain the exact energy or more for the enthalpy of endothermic reaction to occur or can I give it in parts?
Let's say a certain reaction requires $...
- 223
7
votes
1
answer
770
views
Why doesn't hydroxide associate with water analogously to proton forming hydronium?
I'm a novice at chemistry. I've heard that an acid needs water to show its acidic properties, that's why nitric acid needs to be associated with water to show its acidic properties:
$$\ce{HNO3 + H2O &...
- 81
2
votes
0
answers
1k
views
What is the resulting solution after leaching hardwood ash with water?
After doing online research, I've noticed there are differing interpretations on what happens when ash is mixed with water, so I've come here seeking clarification on what indeed happens, and also ...
- 21
0
votes
1
answer
110
views
Creating HCl acid [closed]
I have the following reaction:
$$\ce{2 AlCl3 + 3H2O -> 2 Al(OH)3 + 6 HCl}$$
My goal is to create hydrochloric acid, but for the reaction shown, hydrochloride gas is produced instead. There are two ...
- 29
7
votes
1
answer
4k
views
Aspirin Hydrolysis at pH 2
Conducting an experiment, I found that very little salicylic acid was evolved performing hydrolysis at $\mathrm{pH \ 2}$ and at $\pu{45 ^\circ C}$. In fact, far more salicylic acid was evolved at $\...
- 467
1
vote
1
answer
6k
views
Mechanism of Birnbaum–Simonini reaction
When silver acetate reacts with iodine and $\ce{CCl4}$, it gives esters and 2 moles of $\ce{AgI}.$ But when it reacts with iodine and lead acetate, why does it give alkyl halide, $\ce{AgI}$ and $\ce{...
- 511
0
votes
1
answer
213
views
Effect of mixing acids on solubility
Please help me clarify the title if you come up with a better way to put it (you certainly will).
My question is the following:
If you make a mix of equal parts of various acids (Bicarbonate, ...
- 1,097
-1
votes
1
answer
340
views
Hydrogen and Hydrogen ion
Is it correct that a hydrogen atom only has 1 electron and 1 proton since the atomic mass is 1?
Also, is the hydrogen ion composed of a single proton and no electrons?
In an ionization process we know ...
- 15
3
votes
1
answer
592
views
Leaving Group Tendencies in Amide Hydrolysis
When we do hydrolysis of amides in basic conditions, we come across a mechanism in which the $\ce{OH-}$ ion attacks the carbonyl forming an intermediate as given in the photo:
When the carbonyl gets ...
- 71
2
votes
0
answers
38
views
Isomerization of phosphorylated 2-imino-1,3-dioxalanes into phosphorylated cyclic carbamates
I found a patent dating back to the Soviet Union. The patent number is 256764, and the patent describes the synthesis of phosphorylated cyclic carbamates. Here is a section of the patent, followed by ...
- 1,264
0
votes
0
answers
476
views
Reacting ZnSO4 with KCl
I'm considering the following reaction:
$\ce{ZnSO4} + 2 \ce{KCl} \ce{->} \ce{ZnCl2} + \ce{K2SO4}$
The high solubility of $\ce{ZnCl2}$ would favour the $\ce{ZnSO4}$ & $\ce{KCl}$ direction of ...
- 1,097
2
votes
2
answers
4k
views
Potassium carbonate vs. Potassium hydroxide in Wood Ash
I'm trying to get more concrete information about the chemical process of creating soap from wood ash.
What I’m confused about: Many soap-making materials say that you create potassium hydroxide ...
- 23
1
vote
1
answer
513
views
Why doesn't open-chain glucose react with water readily in aqueous solution?
Though the exact number given varies from 0.02% to 3%, it's well agreed that glucose spends a very small percentage of its time in aqueous solution as a linear aldehyde. Glucose's overwhelming ...
- 141
0
votes
2
answers
2k
views
What happens when mixing elemental mercury with sodium hypochlorite solution [closed]
Say you spilled elemental mercury from a thermometer and used household bleach on it, what would be the reaction if any?
2
votes
1
answer
1k
views
What is the minimum operating temperature of chemical hand warmers?
I have been looking at chemical hand warmers such as Hot Hands, Grabber and HotSnapZ. Unfortunately, I cannot find a minimum operating temperature for these types of devices. Logic tells us that they ...
- 121
5
votes
1
answer
7k
views
Why is copper(II) sulfate added drop by drop during the Biuret test?
The Biuret test is a test for proteins. The procedure is to add a strong base, such as NaOH, to dissolve the protein. After that, copper(II) sulfate is added drop by drop into this until a (violet) ...
- 235
1
vote
1
answer
2k
views
Why do nonmetal oxides react with water to form acidic compounds? [closed]
I am confused about the molecular basis by which nonmetal oxides react with water to form acidic compounds. For example, I understand that sulfur trioxide reacts with water to form sulfuric acid as ...
- 811
1
vote
3
answers
3k
views
How to determine if an unknown is potassium chloride or potassium bromate?
In class, we were given unknown substances. I've narrowed the possible substances down to either potassium chloride or potassium bromate.
We were given several acids, indicators, and other chemicals (...
- 35
-1
votes
2
answers
7k
views
KCl + CuCl2 in solution, is there a reaction?
I'm wondering if the reaction of $\ce{KCl + CuCl2}$ in solution (aq) will produce any products (have a net ionic equation/solid precipitate)?
Using the metal activity series, I see that potassium is ...
- 9
7
votes
1
answer
1k
views
Does acid and base react directly, or do they react first with water?
If an acid $\ce{AH}$ reacts with a base $\ce{B}$ in aqueous solution, in textbook they write
$$\ce{AH + B -> A- + BH+}\label{rxn:1}\tag{1}$$
But first I add acid to water and then base, so why ...
4
votes
1
answer
798
views
How would an increase in the concentration of a sucrose solution affect the rate of its acidic hydrolysis?
Regarding the acidic hydrolysis of sucrose
$$\ce{\underset{sucrose}{C12H22O11} + H2O + \underset{catalyst}{H+} -> \underset{glucose}{C6H12O6} + \underset{fructose}{C6H12O6} + H+},$$
I think ...
- 71
3
votes
0
answers
160
views
Chemistry Behind TMOS Aerogel
I have found out how to make silica aerogel.
Currently, the solution that I need to create to make the gel requires tetramethyl orthosilicate or TMOS. Furthermore, the procedure requires me to make ...
- 131
1
vote
1
answer
4k
views
How can I predict whether a reaction will occur? [duplicate]
I'd like to know how can I predict if two substances will react. I already know that there's a reaction if one of the products is a weak electrolyte or a precipitate but that leads me to the question: ...
- 11
10
votes
1
answer
10k
views
How does the HCl-KCl Buffer work?
I have just been studying the $\ce{HCl}$-$\ce{KCl}$ 'buffer', but there are still quite a few things I am uncertain about. I would appreciate any help in clearing up some questions I have.
What I ...
- 445
0
votes
1
answer
391
views
Sodium Silicide (NaSi) Synthesis, Reversability
I'm trying to understand a) the reaction that would produce $\ce{NaSi}$ from $\ce{Na}$ and $\ce{Si}$, as well as how to reverse the reaction of $\ce{NaSi}$ with $\ce{H2O}$. The product of the latter ...
- 61
1
vote
1
answer
4k
views
Why do fluoride ions "win" over thiocyanate ions in a solution with iron ions?
When you mix aqueous iron(III) nitrate and potassium thiocyanate together you get a red solution. Then if you add sodium fluoride, the red colour disappears.
This is basically because the $\ce{Fe(...
- 127
2
votes
1
answer
2k
views
Why does cotton dissolve in a dilute solution (1/2) of fuming sulfuric and nitric acids?
A nitration experiment carried out showed that a solution of half diluted sulfuric and nitric acids would turn the submerged cottons into a gooey substance. The remnants of the cotton balls did not ...
- 21
7
votes
3
answers
150k
views
Reaction between NaOH and CO2
So I wanted to know what the reaction between sodium hydroxide and carbon dioxide can be, and upon research I got 2 answers. The first one is
$$\ce{CO2 + NaOH(aq) -> NaHCO3(aq)}$$
and the second ...
- 864
14
votes
1
answer
10k
views
Why does Mg react vigorously in NaCl solution and less so in water?
When you put $\ce{Mg}$ into water a few $\ce{H2}$ bubbles appear. But when you put $\ce{Mg}$ into a $\ce{NaCl}$ solution there is a vigorous release of $\ce{H2}$, why is this and what reactions are ...
- 141
0
votes
1
answer
350
views
Ionize Hydrogen and Oxygen Gas in Electrolytic Cell?
As is well known, water can be electrolyzed into oxygen and hydrogen gasses. However, all redox reactions can be run in reverse. If I were to electrolyze water in 2 closed containers (in order to trap ...
- 601
3
votes
1
answer
132
views
Why don't water molecules react alongside aqueous reactions?
To explain my question I'll use an example: We all know that sodium displaces copper in a solution of its sulfate in the reaction:
$$\ce{2Na (s) + CuSO4 (aq) \rightarrow Na2SO4 (aq) + Cu (s)}$$
My ...
- 31
4
votes
0
answers
2k
views
How to break down soap and detergents?
I am building a greywater harvesting system. It is a 3-stage system:
The 1st stage breaks down soap and detergents.
The 2nd stage filters the water.
The 3rd stage pumps water out of system.
What ...
- 41
3
votes
1
answer
311
views
How do ligands and coordination complexes work in this case with copper (II) chloride?
What happens when Ammonia is added to an (aq) solution of copper II chloride?
$\ce{CuCl2 + NH3 ->\; ?}$
I know that ligands bond with metals to form ion but I'm not sure about how they work in a ...
- 153