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0
votes
2
answers
6k
views
Chemical processes and chemical reactions difference
Whats the difference between chemical processes and chemical reactions? … Ive heard that the chemical industries only uses chemical processes to produce new substances, but isnt that also what happens when a chemical reaction occurs? …
0
votes
1
answer
526
views
Chemical in (s) mixed with chemical in (aq) vs. chemical in (aq) mixed with chemical in (aq)
But I am wondering, does it make a difference if you take a powder and mix it with an aqueous solution or take a solution with the very same chemical formula as the powder and mix it with the same aqueous …
3
votes
0
answers
169
views
Meaning of chemical potential in chemical reactions
Now, this should be true for a closed system undergoing a chemical reaction, so the 3rd term on the RHS could be non-zero. … In other words, my question is how do I physically interpret the chemical potential term? …
26
votes
4
answers
4k
views
Relation between chemical kinetics and chemical equilibrium
In my chemistry book, the law of chemical equilibrium is derived from the law of mass action:
For a reversible chemical reaction $$\ce{aA +bB\rightleftharpoons cC + dD}$$ where $a$, $b$, $c$ and $d$ are … However, in chemical kinetics, they tell us that the rate equation, derived from the law of mass action is not always correct. …
3
votes
1
answer
507
views
Chemical desalination
Is there a way to remove salt from water, even just partially, using chemical or filtration methods prior to a reverse osmosis? …
1
vote
2
answers
88
views
Chemical compatibility
I'm an electrical engineer trying to understand a failure in a plastic part that I'm working with.
I am using a plastic called polysulfone- and the data sheet has a lot of words ending in "amine" tha …
3
votes
0
answers
45
views
Translucifying chemical? [closed]
Is there a chemical that this supposed chestnut could have possibly been dipped in, to give it this translucence? …
1
vote
0
answers
24
views
Chemical bonding [duplicate]
How do we compare the strength of permanent dipole permanent dipole (PDPD) interaction? Is it by bond polarity?
Since H-X (where X is halogen) is polar, and for bond polarity (PDPD bond strength): HC …
-3
votes
1
answer
50
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chemical bonding
How exactly does bonding work?
For example, in CH4 orbital overlap structure, the internet shows 4 lobes with one hydrogen attached to each...
does the s orbital of the carbon we consider after hybri …
0
votes
2
answers
79
views
Chemical reaction
Consider the following
Ca(OH)2 + 2NH4Cl → CaCl2 + 2NH3 + 2H2O
(Source: https://chemiday.com/en/reaction/3-1-0-440)
It appears to be double displacement reaction as CaCl2 is formed, but it’s not as …
-2
votes
1
answer
37
views
Chemical equilibrium [duplicate]
When calculating equilibrium constant with partial pressures if there is a solid involved should we consider it in the total number of moles in mole fraction?
6
votes
1
answer
922
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Chemical kinetics
Consider a reversible reaction $\ce{A}$ converts to $\ce{B}$ and $\ce{B}$ converts to $\ce{A}$ with forward and backward rate constants $k_\mathrm{fwd} = k_\mathrm{rev }= \pu{1 s-1}.$ Suppose we st …
-1
votes
1
answer
416
views
Is there a chemical reaction without a chemical change? [closed]
Chemical transformation alters the chemical properties of a material, which includes reactivity with various chemical species. … Can a chemical reaction happen without a transformation? There is a chemical balance that pH and chemical properties do not change ... …
1
vote
1
answer
229
views
Do high-energy chemical bonds indicate strong chemical bonds?
In my head it seems reasonable that a high-energy bond would indicate that the bond is strong, however a question got me thinking.
Take for example lead azide, a very explosive compound that is often …
3
votes
1
answer
151
views
Continuous chemical reaction network versus chemical reaction network - difference?
I'm reading a paper entitled Reachability Problems for Continuous Chemical Reaction Networks and as I was reading it I realized: I have no idea what the difference is between a continuous chemical reaction … network (CCRN) and a chemical reaction network (CRN). …