I recollect that the terms Left and Right arose during one or other of the French Revolutions as regards where the Reactionaries (Les Droitists, I guess) and the Progressives sat with rezpect to the Speaker of L'Assembie.
Purely, then an accident following on from whomever sat down, first, in that Chambre.
Now, as to your enquiry concerning Chemistry . . .
The answer is: Everything!
First chemistry is the study and description of everything in the Universe: both 'What is' and 'What is becoming'.
One of the developments in my life-time (and beneficially-so) is that we chemists now include 'the arrow of time' when write chical equations. And even include enthalpic information as to whether enery is released or absorbed.
So, for example, photosynthesis will be written, approximately in a word equation, as:
Carbon dioxide + water + (light) energy --> cabohydrates + oxygen
Purely, then an accident following on from whomever sat down, first, in that Chambre.
Now, as to your enquiry concerning Chemistry . . .
The answer is: Everything!
First chemistry is the study and description of everything in the Universe: both 'What is' and 'What is becoming'.
One of the developments in my life-time (and beneficially-so) is that we chemists now include 'the arrow of time' when write chical equations. And even include enthalpic information as to whether enery is released or absorbed.
So, for example, photosynthesis will be written, approximately in a word equation, as:
Carbon dioxide + water + (light) energy --> cabohydrates + oxygen
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