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Meaning of letter K in chemistry conventions [duplicate]

The letter "K" is usually used as chemistry (or statistics/ physics) conventions, take the equilibrium constant (Kc) and rate constant (k) as two prime examples. Are there any reasons why &...
Chemistry student's user avatar
1 vote
2 answers
184 views

How to obtain the expression for residual Gibbs energy?

The property involved is Gibbs free energy, the equations that I wrote are presented in my text book Introduction to chemical engineering thermodynamics by Smith and Van Ness, Chapter 6. The thing is ...
jack gatz's user avatar
4 votes
1 answer
315 views

Has anyone encountered the use of Omega to represent equilibrium?

One of my lecturers last year (a pharmacologist by training) used the symbol $\Omega ^m$ as a shorthand for equilibrium. He implied it was common practice but I've never come across it elsewhere. I ...
atbm's user avatar
  • 606
3 votes
0 answers
89 views

Formating chemical equations for proteins binding in multiple configurations

I am working on problems involving protein-protein binding, particularly ones in which two proteins may bind in two or more configurations, and where some of the resultant structures may also bind ...
Abijah's user avatar
  • 197
12 votes
1 answer
4k views

What do curly brackets {} mean?

I learned that square brackets ex: $[\ce{H2O}]$ can be used to denote the concentration of water molecules in a fluid. The notation used much in equilibrium problems and such. However, sometimes I ...
dekuShrub's user avatar
  • 223
1 vote
0 answers
358 views

How to know when subscripts refer to charges or not [closed]

My question is very easy. Sometimes to determine to charge of a compound you multiply the charge by the number of ions you have of that element. But sometimes it seems as if you don't do it this way. ...
ohiliouh's user avatar
  • 147
11 votes
1 answer
11k views

What are the correct equilibrium arrows?

I was recently subject to some atrocious teaching. One of the gems that found me was the equilibrium arrow usage. I am accustomed to write $\ce{<=>}$. Yet, the entire class had to use ⇆ ...
Kurzd's user avatar
  • 331
3 votes
1 answer
335 views

Dissociation reaction notation

This equation has been described as an equilibrium in an article, how would you explain it to someone with not a lot of understanding of it. The equation is: $\ce{CH3COOH <-> CH3COO- + H+}$ ...
Viv's user avatar
  • 323
8 votes
2 answers
3k views

Should the 'a' in the acid dissociation constant (Ka or pKa) be capitalised?

In science, the negative logarithm of the acid dissociation constant is denoted $\mathrm{p}K_\mathrm{a}$ or $\mathrm{p}K_\mathrm{A}$ depending on the source (lowercase "a" or uppercase "A"). Since it ...
Kyle_the_hacker's user avatar