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Questions tagged [solutions]

This tag should be applied to questions dealing with solutions of any kind. A solution is a liquid or solid phase containing more than one substance where, for convenience, one (or more) substance(s) called the solvent is treated differently from the other substances, which are called solutes. If water is the solvent, then the more appropriate 'aqueous-solution' tag should (also) be specified.

2 votes
2 answers
76 views

How can gelling agents "dissolve" in the liquid phase as a "colloid" mixture?

Gelling agents according to Wikipedia: Some thickening agents are gelling agents (gellants), forming a gel, dissolving in the liquid phase as a colloid mixture... But colloid according to Wikipedia: ...
new's user avatar
  • 237
4 votes
1 answer
74 views

Why do azeotropes behave the way they do?

I read this answer to a similar question whilst it proved to be plenty insightful there was this one point I failed to understand: To get a minimum boiling azeotrope, the deviation from Raoult's Law ...
Venven's user avatar
  • 99
-1 votes
2 answers
62 views

Is dissolution of NH4Cl in water a physical change or chemical change?

A chemical change involves a reorientation of atoms of the substance, resulting in the formation of new substances. A physical change causes changes in physical properties of the substance, like its ...
user avatar
1 vote
0 answers
78 views

Fundamental reasons for using vapors for ALD rather than solutions

Atomic layer deposition (ALD) has been developed for many materials, as can be seen from this overview: https://atomiclimits.com/alddatabase/ However, a search for liquid phase ALD gives less results. ...
Paul Kolk's user avatar
  • 234
5 votes
1 answer
91 views

Relation between dilution and osmotic pressure

The following question is taken from IAT 2024, an entrance test for research institutes in India at the high school level: Which one of the following plots correctly describes the variation of ...
Aadhaar Murty's user avatar