AI Rate Professor

Chemistry

Sergey Dibrov

200L · CHEM200L · CHEM152L · CHEM200 · 14 lifetime ratings

AI rating
52/100
RMP rating
3.1/5
Take again
50%
Difficulty
3.7

The decision

if you want to learn chemistry seriously and will put in and study work; skip if you need hand-holding or an easy grade.

Best fit · Effort For RewardTough GraderFast LecturesLots of Lab WorkHilariousNo Hand-Holding
  • Strong for students who want real learning, not an easy A
  • Labs and and printing
  • Lectures are fast; and office hours

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

35/100

A , and often tutoring; he is repeatedly called not an easy A.

Online is somewhat more grade-manageable with droppable labs; in-person is stricter.

Is the course easy?

Challenging

32/100

Fast lectures, difficult labs, and .

and comments.

Is attendance flexible?

Mandatory

25/100

as and live sessions, though one online note says no.

; online attendance is more mixed.

Is this professor recommended?

Depends

50/100

and fairness; avoided by those who want easy grades or clearer help.

; online is more split.

Course guide

See how this professor fits your week.

Grading

Strict

32/100

Tough grader tags dominate; .

Format shift

Both formats call grading harsh; .

Workload

Heavy

28/100

Lots of , and detailed lab reports pile up.

Format shift

In-person workload comments are heavier than some online lab-report-focused notes.

Teaching experience

Average

55/100

Engaging and caring when students reach out, but fast pacing and uneven clarity frustrate others.

Format shift

In-person more often praises humor and engagement; online criticizes email and Zoom use.

Assessment method

FocusOnAssignments

40/100

Lab courses revolve around lab reports and quizzes; lecture CHEM200 is exam-heavy with four tests and .

Format shift

Online 152L has prelab quizzes and labs with zero tests; in-person 200 lecture is test heavy.

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

10 reviews

High confidence · Best fit for Effort For Reward

and lecture are high quality but fast, work-heavy, and strictly graded; many respect him while warning he is not an easy A.

Main concern

, and heavy workload can overwhelm slower starters.

What students said

“The class is difficult and there's a lot of work, but the assignments and curriculum is very high quality”
200L
“He is a and you will have to do allot of work. But he is fair”
CHEM200L
“ and on material not covered in class.”
CHEM200

Remote format

Online

4 reviews

Medium confidence · Best fit for Self Taught Pro

straightforward structure and , but and prerecorded Zoom content frustrate some.

Main concern

and live Zoom may just replay videos.

What students said

“Whenever I would email him asking about a question I had on the just rephrase my question”
CHEM200L
“ .”
CHEM152L
“Shows prerecorded videos of himself... and he grades pretty harshly.”
CHEM152L

Exam style

Know what to expect from exams and major assignments.

Labs grade reports and quizzes strictly; lecture sections use tough multi-exam formats that reward independent study.

Lab ReportsPrelab QuizzesTough ExamsDrop LowestNo Curve on Some Exams

Assessment risk

Standard

45/100

Low score means less forgiving assessment conditions.

In person

, four tough exams with and little hand-holding.

Tough Lab Grading4 Exams Drop 1Fast Lecture PaceTricky Exam Questions
“4 exams but drops 1. ”
CHEM200
“watch out for ! .”
CHEM200

Online

Online lab focuses on lab reports and and little or no testing.

Prelab QuizzesLab ReportsDrop Lowest LabNo Formal Tests in Some Sections
“ .”
CHEM152L
“usually 5 questions, hard to get them all... ”
CHEM152L

Student evidence

See what students actually said.

Top student voice

“Hes not an easy A but the overall process will help you learn the material well. and put a little effort and youll be fine.”

Voice snapshots generated from 14 reviews (4 online, 10 in person), highlighting rigor, workload, and split recommendation. Credibility rating: High.

🎯 Teaching Quality

55/100

“His lectures are engaging and he does a good job of making them fun.”

⚖️

32/100

“He is a and you will have to do allot of work. But he is fair”

📚 Workload

28/100

“The class is difficult and there's a lot of work”

🤔 Recommendation Split

50/100

“ learn the subject.”

Theme 1

👨‍🏫 About Teaching Style

  • lectures are engaging
  • goes SUPER fast

Theme 2

📈 About Difficulty & Grades

  • not an easy A
  • and he grades pretty harshly
  • and on material not covered in class

Theme 3

🧪

  • and usually you can leave earlier
  • if you need help
  • just rephrase my question and submit that as his answer

Data context

See exactly what the AI read.

Analysis sample

14

Recent reviews read by the AI

14

Lifetime ratings

72/100

Evidence confidence

and lecture from 2016-2025 show consistent themes of rigor, speed, and mixed satisfaction.

Inside 14 stored ratings

Quality ratings

5 out of 51
4 out of 55
3 out of 54
2 out of 53
1 out of 51

Course coverage

CHEM200L6 reviews
CHEM152L3 reviews
CHEM2003 reviews
200L2 reviews

Reported outcomes

B range results lead the reported letter grades.

10 reported outcomes

A range

2

A 1 · A- 1

B range

4

B+ 2 · B 1 · B- 1

C range

1

C 1

D range

0

No reported values

F

0

No reported values

No letter grade reported

3

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