All Questions
Tagged with pressure organic-chemistry
6 questions
1
vote
0
answers
23
views
Heat increase after pressure drop in polymer filter
I would like to calculate the heat increase in polymer filter. A polymer filter (mesh size p.ex.20 µm) decreases the mass pressure of the polymer flow.
How it works: The polymer is melted in an ...
1
vote
0
answers
62
views
What happens to polymers under high pressure?
What happens when you have polymers under high pressure? My very sketchy thoughts of polymers are that they can be thought of tangles of carbon chains surrounded by hydrogen, but that some polymers ...
3
votes
1
answer
204
views
How do fullerenes withstand external pressure from collapsing the molecule?
As Fullerene's have an empty shell inside their structure how they withstand the pressure from the outside?
As a sidetone, are there any methods for calculating the force that the "vacuum" ...
6
votes
1
answer
315
views
Decarboxylation of THCA during CO2 Extraction of Cannabis
We have a strange problem. We are performing CO2 extraction on cannabis and we are seeing considerable decarboxylation of THCA to THC.
We have high quality temperature sensors at the heat exchangers, ...
3
votes
2
answers
397
views
Can a reactor be operated at both reflux and above atmospheric pressure?
I'm not a chemist by trade so my experience in the lab has probably not been as in-depth as most of you. I've been tasked with investigating a proposed reaction in which an organic mixture (mostly ...
0
votes
0
answers
366
views
Is OH + CO → CO2 + H an elementary reaction?
Is
$$\rm OH + CO \longrightarrow CO_2 + H$$
an elementary reaction? How could I tell?
I could break the reaction into
$$\rm OH\ (+ M) \longrightarrow O + H\ (+ M)$$
$$\rm CO + O \longrightarrow ...