r/chemhelp is a subreddit with 116k members. The community frequently discusses chemistry, struggling, question, reaction, and chem, and the most common flair used is organic, general/high school, other, inorganic, and physical/quantum.
r/chemhelp is place where you can seek help with whatever chemistry problem you may encounter. Whether you are a high school student trying to understand the fundamentals, a college student struggling through upper division courses, or a professional seeking pointers on a real problem you are trying to solve, you have a place here.
Popular Topics in r/chemhelp
#1
Chemistry
103 posts
#2
Struggling
66 posts
#3
Question
48 posts
#4
Reaction
45 posts
#5
Chem
41 posts
#6
Looking For
37 posts
#7
Help
31 posts
#8
Mechanism
22 posts
#9
Ochem
22 posts
#10
Websites
21 posts
Flair Used in r/chemhelp
#1
Organic
: "What should be the iupac name of this compound?"
40 posts
#2
General/High School
: "Confused on lewis structures of SeO2F2"
32 posts
#3
Other
: "[Article] Comment on the polymorphic forms of metal-free phthalocyanine. Refinement of the crystal structure of alpha-H₂Pc at 160 K. Author: J. Janczak"
6 posts
#4
Inorganic
: "How to make answers less wordy????"
5 posts
#5
Physical/Quantum
: "What is the force constant (k) in N/m and the vibration frequency ν in cm-1 based on the MMFF calculations for H2?"
4 posts
#6
Analytical
: "Confused about the effect of methanol on HPLC retention"
3 posts
#7
Biochemisty
: "Help with sourcing ingredients to make Feminising HRT for a compounding assignment"
2 posts
#8
Career/Advice
: "Chem major with pure wet-lab experience what technical skills, non-tech skills, and certifications will future proof my career?"
2 posts
#9
Need Encouragement
: "What were your obscure studying tips that helped you in CHEM 102"
1 post
Member Growth in r/chemhelp
Yearly
+17k members(16.7%)
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Last updated: October 1, 2026