r/chemhelp is a subreddit with 113k members. The community frequently discusses chemistry, struggling, question, reaction, and chem, and the most common flair used is organic, general/high school, inorganic, career/advice, 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 is this bond (?)"
128 posts
#2
General/High School
: "Do they mean hydrogen atom or molecule here?"
35 posts
#3
Inorganic
: "MO's of CO"
9 posts
#4
Career/Advice
: "How long do alkaline (NaOH) burns take to set in? (How screwed am I basically)"
6 posts
#5
Physical/Quantum
: "ACS PChem C60 quantum modelling question"
6 posts
#6
Analytical
: "Porcelain crucible cracked, is it still safe to use at 105°C? + question about constant weight of crucible for moisture content determination"
6 posts
#7
Other
: "What May be the the best Educational Experiment in Chemistry throughout history?"
6 posts
#8
Need Encouragement
: "Improving/maintaining general+broad chemistry knowledge"
3 posts
#9
Biochemisty
: "Protein denaturation and structure changes"
1 post
Member Growth in r/chemhelp
Yearly
+17k members(17.0%)
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Last updated: July 22, 2026