AI Rate Professor

Chemistry

Sean McMahon

CHEM110 · CHEM115 · CHEM152 · CHEM104 · CHEM11O · CHEM210 · CHEM150 · CHEM140 · 82 lifetime ratings

AI rating
88/100
RMP rating
4.6/5
Take again
78.72%
Difficulty
3.7

The decision

if you want to truly learn chemistry and will use office hours; pick someone else only if you need a soft easy A.

Best fit · Hardcore LearnerBuilds real chem foundationCaring and hilariousTest heavy but fair prepOffice hours goldHolds students accountable
  • , and long-term preparation for later chem.
  • Course is genuinely hard with and .
  • A minority find him nitpicky, overcomplicating, or harsh on interaction.

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

42/100

As are common with hard work, but , and As.

Online and ; neither format is described as free A.

Is the course easy?

Challenging

30/100

General and organic chem content is repeatedly called hard with high difficulty ratings.

Difficulty is high in both formats; in-person comments dominate the sample.

Is attendance flexible?

Mandatory

26/100

and say skipping hurts success.

; online still expects weekly engagement.

Is this professor recommended?

MustTake

88/100

About four in and many call him the .

Online reviews are uniformly glowing; .

Course guide

See how this professor fits your week.

Grading

Fair

52/100

and helpful recovery paths exist, but many .

Format shift

Tough-grader tags cluster in recent in-person CHEM150; online comments feel fairer.

Workload

Heavy

38/100

, and but purposeful load.

Format shift

Both formats report substantial homework; .

Teaching experience

Excellent

90/100

Dominant theme is passionate, clear, foundation-building teaching with real care.

Format shift

Excellent reputation holds online and in person despite a few low scores.

Assessment method

FocusOnExams

72/100

Multiple exams, quizzes, and ACS and labs.

Format shift

prior exams as study tools.

Luni fit check

Weigh these signals against your actual schedule.

Get help balancing workload, grading, and timing when no option is an obvious fit.

Course format

Compare the in-person and online experience.

Classroom format

In person

45 reviews

High confidence · Best fit for Hardcore Learner

chem professors for foundation building, humor, and help, while a smaller group calls exams harsh or lectures overcomplicated.

Main concern

High workload and .

What students said

“One of the . He really cares and wants ”
CHEM150
“ through labs and always there to help students but does not prepare you well lecture wise with exams”
CHEM150

Remote format

Online

5 reviews

Medium confidence · Best fit for Effort For Reward

Online and zoom sections stay organized on Canvas with , and solid concept breakdowns.

Main concern

Material is still tough and requires self-driven lecture watching.

What students said

“He tells you everything you need to know for the .”
CHEM150
“The class .”
CHEM150

Exam style

Know what to expect from exams and major assignments.

Exams are hard but usually aligned with , and previous tests when students prepare.

Previous exams as practiceWeekly quizzesSimilar to homeworkACS prep

Assessment risk

Standard

58/100

Low score means less forgiving assessment conditions.

In person

and test-heavy, often close to practice exams and homework if you study hard.

Previous semester testsPractice examsTough examsACS prep
“ but very similar to the homework and .”
CHEM150
“This Professor gives each and every test and so you aren't walking in blindly”
CHEM110

Online

Online reviews say he tells students exactly what is on quizzes and .

Clear exam topicsCanvas organized weekly workQuizzes and tests
“His coursework is very black and white and he tells you exactly .”
CHEM150
“He tells you everything you need to know for the .”
CHEM150

Student evidence

See what students actually said.

Top student voice

“If you want a solid foundation in chem and have struggled with .”

Voice snapshots generated from 50 reviews (5 online, 45 in person), emphasizing foundation-building teaching and high workload. Credibility rating: High.

🎯 Teaching Quality

90/100

“One of the . He really cares and wants ”

📈 Recommendation Strength

88/100

“Sean is awesome!! He is so passionate about chemistry and seriously knows his stuff.”

🔥 Difficulty Reality

30/100

“Chemistry is a hard subject but he does a great job of making everything as easy to understand as possible.”

Theme 1

👨‍🏫 About Teaching Style

  • He breaks down difficult concepts in a
  • Amazing lectures
  • his lectures are helpul to get you to understand

Theme 2

📈 About Difficulty and Grades

  • Chem is difficult so don't expect to not put in work and get an A
  • but very similar to the homework and
  • This professor made me question why I put so much time and effort into a class for him to grade so nit picky

Theme 3

❤️ About Character

  • Hes super chill!!
  • He truly cares about his students success
  • he is highkey a D*** head

Data context

See exactly what the AI read.

Analysis sample

50

Recent reviews read by the AI

82

Lifetime ratings

90/100

Evidence confidence

Fifty reviews with strong consistency, multi-year span, and detailed course-specific comments yield high confidence.

Inside 50 stored ratings

Quality ratings

5 out of 568
4 out of 55
3 out of 53
2 out of 55
1 out of 52

Course coverage

CHEM15027 reviews
CHEM11011 reviews
CHEM1043 reviews
CHEM1153 reviews
CHEM1402 reviews
Show 3 more courses
CHEM2102 reviews
CHEM11O1 review
CHEM1521 review

Reported outcomes

A range results lead the reported letter grades.

45 reported outcomes

A range

24

A+ 1 · A 21 · A- 2

B range

13

B+ 8 · B 5

C range

3

C+ 2 · C 1

D range

0

No reported values

F

0

No reported values

No letter grade reported

5

Drop/Withdrawal 1 · Not sure yet 2 · Rather not say 2