3.1

Paul Fischer

Chemistry - Macalester College

3.1
Quality
4.5
Difficulty
36%
Would Retake
83
Reviews
3.1
Quality
4.5
Difficulty
3.2
Helpful
3.1
Clarity

36%

Would Retake

83

Reviews

Rating Distribution
Official
83 total ratings

5

31

4

13

3

4

2

9

1

26

What Students Say

I loved Chemistry in both high school and at a community college level

CHEM111 - 2.0 rating

One of the worst lecturers I have ever witnessed

CHEM112 - 1.0 rating
Class Info

Online Classes

100%

Attendance Mandatory

27%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B

95% confidence
Based on 40 grades
Most common grades:
B (14)
B+ (8)
A- (5)
Grade Distribution
A(2)B(16)C(8)D(2)F(0)A-/B+(13)
Based on 47 reported grades
B: 14
B+: 8
A-: 5
C+: 4
Common Tags
Tough grader (40)
Lots of homework (23)
Lecture heavy (16)
Test heavy (16)
Accessible outside class (6)
Gives good feedback (5)
Hilarious (4)
Get ready to read (4)
Rating Trend

Declining

-1.91 avg change
Mar
Apr
May
Jul
Oct
Dec
Last 6 months
Ratings by Course

CHEM1113

5.0

(1)

CHEM13THERMO

5.0

(1)

CHEM13

4.5

(2)

CHEM111112

4.5

(4)

CHEM411

4.3

(4)
+3 more courses
Difficulty by Course

CHEM13THERMO

5.0

CHEM112

4.6

CHEM13

4.5

GENCHEM

4.5

CHEM111

4.4

Reviews (82)
4.0
4.0
CHEM13
Jul 22, 2003

No Comments

5.0
4.0
CHEM1113
Dec 12, 2003

No Comments

5.0
5.0
CHEM13
Dec 13, 2003

Tough courses, but you learn a lot and he is always available for questions and to offer help

5.0
4.0
GENCHEM
Apr 13, 2004

The biggest dork, but really sweet and good at explaining things

4.0
4.0
CHEM112
Apr 16, 2004

Adorable, if not for his love of chemistry then for the bow ties he wears every friday!

2.0
2.0
CHEM411
Nov 8, 2004

blech, so annoying. he acts like his students are in kindergarten. no respect for their intelligence. and bow ties everyday? cute...if you're over 80

5.0
5.0
CHEM13THERMO
Nov 16, 2004

One of the best profs at Mac. Paul is smart, loves teaching, very helpful and accessible (he's always in his office and glad to see you), and can make very difficult concepts make sense. I was bad at and terrified of chem before his class. It was really hard, but renewed my confidence. I <3 Paul!

5.0
4.0
CHEM111
Nov 20, 2004

Professor Fischer is a womderful teacher. Honestly, he's always willing to help you with a problem that you're having, whether it's on the homework or it's a personal problem. He doesn't have much sartorial sense, but makes up for it with brightly colored shirts and bowties.

5.0
4.0
CHEM111
May 28, 2005

Best professor I've had here. Clear, and the fairest tests i've taken. Hard but clear. Also, lived in his office for most of the course--very easy to find and ask questions of.

3.0
4.0
CHEM111
Sep 20, 2005

He didn't explain anything he wanted us to do and I had to learn out of the book because he didnt understand anything and that just made me not want to take the class the first semester

5.0
4.0
CHEM111112
Oct 1, 2005

AMAZING. One of the best profs at mac. Puts a ton of thought into lectures and extremely accessible and helpful outside or class.

5.0
4.0
CHEM111
Oct 31, 2005

It's not that he's hard as a professor, but a chemistry intro class is difficult in general. Fischer does a great job of explaining chem. in his lectures and is always available for questions. Some perks of his class include the experiments he demonstrates in lecture, his out-there emails, and of course his assortment of multi-colored bow ties.

4.0
3.0
CHEM111
Jan 7, 2006

A somewhat anal grader (especially with labs, which are more than three hours!), but always friendly and helpful whenever I wanted a word with him.

5.0
4.0
CHEM111112
Apr 4, 2006

He is a great great teacher! i love him so much! he is so great and now he is my advisor!! love it!! you learn soo much!

5.0
3.0
CHEM112
Jun 7, 2006

One of the best professors I've had so far. I love his bowties!! His passion and dedication to chemistry and teaching are inspiring. He relates chemistry to everyday use and I love the little experiments he does during class! (like emptying the fire extinguisher)

5.0
3.0
CHEM111
May 8, 2008

I had taken chemistry 111/112 with him. It would be hard to see a professor more dedicated than him. Even though he's been teaching for more than ten years, he still prepares at least an hour for every lecture. Crystal clear lectures, just follow his lectures and you'll do great on exams. Extremely fair grading. Best prof for asking questions.

5.0
4.0
CHEM111
Oct 18, 2009

Very good professor. Has a passion for chemistry. Make sure to take extensive notes on his lectures.

5.0
4.0
CHEM111
May 6, 2010

I took Chem 111-112 with him, and could not have had a better prof. Very clear lectures, hard but fair tests, and always helpful during office hours (held before every exam!), after class, or during appointments. He made me consider a chem major, even though I came in with no such interest, through his passion for chemistry and skill as a teacher.

5.0
4.0
CHEM112
May 12, 2010

Paul is a great professor. He loves chemistry and teaching and was always there for me if I had a question about something. If you're looking for an easy A, don't take his class, but if you want to walk away from it with a deep understanding of chemistry he is your man. Great lectures and difficult tests that you really need to prep for, but fair.

5.0
3.0
CHEM112
Nov 17, 2011

Wonderful professor. Incredibly clear lectures and so helpful outside class. His tests are tough but definitely manageable if you take the time to study. I recommend taking a chem class with him!

3.0
4.0
CHEM112
Mar 9, 2012

He had homework due every single class, and so if you did not do it the night it was assigned, you had to rush to do it the night before it was due. I really don't think I learned much in that class at all.

4.0
5.0
CHEM111
Nov 11, 2012

He definitely knows what he's talking about. It can be very difficult to follow complex ideas/concepts in class because it all makes so much sense to him that it is often hard for him to explain it in terms that are comprehensible by non-scientifically minded students. His tests are very conceptually based. He's willing to help if you seek him out.

5.0
4.0
CHEM112
May 12, 2013

Paul is a wonderful professor. Lectures were well planned out, funny, and always interesting, he's extremely helpful outside of class and always willing to go out of his way to help, and he's incredibly enthusiastic about chemistry. Tests were hard, but fair and totally doable if you studied. Great professor, highly recommended.

5.0
4.0
CHEM112
May 16, 2013

Paul is the best professor I've had so far at Mac. He is a wonderful lecturer, is very accessible and explains everything crystal clear. Even if its an 8:30 class, I've never missed any of them. HIghly recommended!

4.0
5.0
CHEM111
May 21, 2013

Awesome teacher. Learned more in this class than I ever thought possible, however he does grade really hard. Even with that being said, you will not regret taking a class with Paul Fischer.

5.0
5.0
CHEM111
Jun 20, 2013

One of the best professors I have ever had. His tests are crazy hard and his expectations high, but I have never learned so much from anyone. He's also very easy to talk to and always accessible. Hardest class I've ever taken, but the amount I got out of it was worth the pain.

5.0
3.0
CHEM112
Apr 1, 2014

Paul is THE MAN. He is so helpful in and out of class and genuinely wants his students to succeed.

5.0
4.0
CHEM112
May 30, 2014

Paul is a fantastic professor that will keep you challenged but will be there when you need help. He is the nicest, goofiest guy ever. His lectures are very clear, he expects his students to do lots of homework, and his tests are extremely hard. If you are majoring in chemistry, this professor the one to take for Gen Chem.

4.0
5.0
CHEM111112
Apr 25, 2016

Paul Fischer is an incredibly enjoyable person who is a lot of fun in class and not afraid to do practical experiments during class. Fair warning- This class is very hard. Tests are curved- without it everyone would fail. Homework is every class, difficult and toughly graded. But he is there to help if you need it and knows his stuff perfectly.

4.0
4.0
CHEM111112
Grade: C+
May 9, 2016

Paul FIscher is pretty amazing. He knows he's a chem geek--in the best sense of the phrase--and owns it. If you need help, the man is there. Will he dumb it down for you? Nope.

5.0
4.0
CHEM112
Grade: B
Apr 20, 2017
Would take again

Paul Fischer is a total sweetheart. Not only is he one of the SMARTEST and most knowledgable professors at Macalester, he also cares for his student's education a whole lot. This guy will drop everything to help his students through a single question. His classes are very challenging, but only to ensure thorough understanding of the concepts.

Gives good feedback
Respected
Caring
5.0
4.0
CHEM112
Grade: A-
Dec 8, 2017
Would take again

Paul is what I aspire to be in life. He is a legend, a gentlemen, and a sir. He is working to attain his long sought molecular vision and I wish him the best in his journey.

Gives good feedback
Skip class? You won't pass.
Hilarious
5.0
4.0
CHEM111
Grade: Rather not say
Dec 20, 2017
Would take again

Prof Fischer is an energetic person. He has hard tests. Definitely take again.

Tough Grader
Respected
LOTS OF HOMEWORK
5.0
4.0
CHEM112
Grade: A-
Apr 30, 2018
Would take again

Paul is the GOAT. His emails breath life into the dreary existence that is college.

LOTS OF HOMEWORK
Hilarious
Amazing lectures
5.0
1.0
CHEM411
May 3, 2018
Would take again

His class is actually easy! You just need to go to class and you can easily get at least an A-. He is so nice and inspiring.

Gives good feedback
Respected
Get ready to read
1.0
5.0
CHEM112
May 12, 2018
Wouldn't take again

Don't let this site fool you. Take Susan Green instead. Please.

2.0
5.0
CHEM112
May 12, 2019
Wouldn't take again

Paul is obviously passionate about chemistry, but he's just too smart. He just lectures and doesn't give examples, so often when I would do my homework I would just feel completely confused. I did great in Chem I, but in this class, I was struggling the whole time. He's a harsh grader, and even though there's a huge curve, I left feeling defeated.

Lots of homework
Lecture heavy
Tough grader
4.0
5.0
CHEM111
Grade: B
Nov 15, 2019
Would take again

I love Professor Fischer! He is passionate about what he teaches and is always accessible outside of class. However, his class is way too hard for a Gen chem class, especially in comparison to the other teachers. His class will give you panic attacks! I would suggest anyone who wants to be a chem major to take him but maybe not other students.

Lots of homework
Lecture heavy
Tough grader
2.0
5.0
CHEM111
Grade: C
Feb 4, 2020
Wouldn't take again

I loved Chemistry in both high school and at a community college level. He made me dread it. The problem was that he made the gen chem class more advanced than it was supposed to and he was a little too egocentric to think about the students who were nonmajors or students who chemistry doesn't come naturally to. All the tons of hw only worth 10%.

Lots of homework
Skip class? You won't pass.
Tough grader
1.0
4.0
CHEM112
Grade: C+
May 3, 2020
Wouldn't take again

One of the worst lecturers I have ever witnessed. He clearly knows a lot about chemistry but is really awful at explaining it, and will go on tangents for at least 20 minutes per lecture. Favorite topics include wrong information about bad sci fi movies and complaining about how regular people don't appreciate the beauty of thermodynamics.

Lots of homework
Tough grader
4.0
5.0
CHEM112
Jul 30, 2020
Would take again

Chem 2 was quite the challenge for me. However, Professor Fischer is hilarious and very kind. He also gives good lectures. Homework is hard, so it definitely helps to do it with others.

5.0
5.0
CHEM111
Grade: B
Mar 28, 2021
Would take again

Be ready to work hard. It is not easy but you will come out a better person. If you are looking to build your study skills, or to get ready for harder STEM courses, and/or go to grad school/med school; he is your guy! You will learn a lot but you may have to sacrifice sanity. He lectures, grades, and explains concepts very thoroughly.

Lots of homework
Accessible outside class
Amazing lectures
4.0
4.0
CHEM112
Apr 27, 2021
Would take again

Was the class easy? No. Were the tests brutal? Yes. Did I cry multiple times over this class? Yes. But as challenging as this class was, Fischer is an amazing educator. His explanation of ideas was very clear and was VERY helpful during office hours. If you're not on the right track, he helps you until you understand everything.

Gives good feedback
Lots of homework
Lecture heavy
3.0
5.0
CHEM112
May 6, 2021
Would take again

Paul is super passionate about chemistry but gets distracted with things that are more advanced and you dont need to know. Tests are worth a majority of your grade but dont think you can skip homework just because its not worth a lot of your grade. Office hours are great and he explains better in them than in lecture.

Tough grader
Lots of homework
Graded by few things
4.0
5.0
CHEM112
Grade: B+
Dec 2, 2021
Would take again

This was the hardest class I've ever taken. However, Prof. Fischer was very good at explaining things and took a lot of time to help me in office hours. He seems like a caring person. I felt like this course could be redesigned to better support student learning. I worked for upwards of 6 hours a day on assignments and felt a little overwhelmed.

Gives good feedback
Accessible outside class
Test heavy
5.0
5.0
CHEM411
Grade: B+
Apr 20, 2022
Would take again

Inorganic chem is hard, but you should expect that. It was super challenging and I probably spent more time on his lab reports than any other single thing at Mac. He is clearly passionate about chem and it is infectious.

Tough grader
2.0
5.0
CHEM111
Grade: Drop/Withdrawal
Oct 18, 2022

Paul is by far the most difficult professor to have for General Chemistry at Mac. If you are interested in advanced chem, his class might be good for you, but anyone else beware. He goes over material so quickly and the homework takes 3+ hours to complete. That's not even counting the time reading the textbook. He's willing to help but very busy.

Tough grader
Lots of homework
2.0
5.0
CHEM112
Grade: B
Apr 6, 2023

Prof. Fischer is a very kind person once you understand how he functions. However, he makes his tests near impossible (averages consistently in the 60s). There is no in class time to review any questions about homework or tests. Be weary of taking this course with him if you rely in getting an A in Chem (unless you're super good at chem).

Tough grader
Lots of homework
Test heavy
3.0
5.0
CHEM112
Grade: Not sure yet
Apr 21, 2023

Professor Fischer really challenges you, if you had CHEM 111 with another professor and then take 112 with Fischer you will be humbled. His homework takes forever and counts very little, but he does have office hours so definitely take advantage of that. Even with that though the tests still managed to be 10x more difficult than the homework.

Tough grader
Lots of homework
Accessible outside class
2.0
5.0
CHEM112
Grade: Not sure yet
Apr 27, 2023

Professor Fischer is the worst prof I've ever had at Mac. He doesn't seem to understand that not everyone has a PhD in chem and doesn't already know/understand the material. The tests are brutal and he doesn't review common mistakes. The homework takes forever and only counts for 10% of the grade. Do everything in your power to not take his class.

Tough grader
Lots of homework
Graded by few things
1.0
5.0
CHEM112
Grade: Not sure yet
Apr 27, 2023

I leave every lecture from Prof Fischer more confused than when I went in. Then I go to his office hours, and they are packed to the extent that it's like another mini class. He doesn't answer questions in class and takes test questions that were frequently wrong as a failing of the class, not as a failing of his teaching of that material.

Tough grader
Lots of homework
Graded by few things
1.0
5.0
CHEM112
Grade: B
May 9, 2023

Dear God do not take this class. Prof Fischer is genuinely the worst teacher I've ever had. If at all possible take Chem with any other professor.

Tough grader
Test heavy
2.0
5.0
CHEM112
Grade: A-
May 10, 2023

Fischer is a big lecturer and will go on tangents in class. His homework is really hard and each assignment probably takes 1-2 hours just for 5 problems. He expects a lot from his students which makes the course really difficult. His tests are super difficult (our test average for every test was low 60%).

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM112
Grade: B
May 15, 2023

Fischer is clearly passionate and knowledgeable about chemistry, but if you took 111 with another prof or are used to getting A's, you'll be humbled. Exams are worth ~75% of your grade (averages consistently in the 60s), and Fischer acts as if poor performance on exams is a reflection of his students' lack of work ethic rather than his teaching.

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM112
Grade: B+
Jul 21, 2023

Professor Fischer made me feel as though I was incompetent. Despite getting a grade of 98% in the lab (instructed by a different Prof) and a 90% on his never-ending homework, I was still blindsided by every one of his tests. He then takes student's mistakes on his tests as a lack of the students ability rather than a deficit in his teaching.

Tough grader
Lots of homework
Test heavy
1.0
5.0
CHEM112
Grade: C+
Nov 8, 2023

Prof Fischer's lectures were always very disorganized, hard to follow, and hard to take notes on. He would also go off on tangents, leading to him running out of class time. The homework never eased you into a topic and took forever to complete. The tests were also ridiculously hard. He was very passionate about chemistry, though.

Tough grader
Lots of homework
Test heavy
2.0
5.0
GENCHEM
Grade: A
Nov 9, 2023
Would take again

Paul Fischer is the one teacher that you say his name to anyone at this school, STEM student or not, and they know how hard he is. His class is difficult and his homework relates little to his lectures. But, he is incredibly passionate about Chemistry and if you go to his office hours and ask questions you can get through.

Tough grader
Lots of homework
Accessible outside class
5.0
5.0
CHEM411
Grade: Rather not say
Feb 13, 2024
Would take again

Professor Fischer has a bad rep for the difficulty of his classes, but you'll never meet someone as passionate about their work as he is. Down to earth, amiable, and understanding if you show an interest in the material. His 411 class was the hardest class I've ever taken, but I'm glad I took it with him. I've become a better person for it.

Lecture heavy
Test heavy
Graded by few things
1.0
4.0
CHEM112
Grade: Not sure yet
Apr 19, 2024

Genuinely one of the worst teacher's I've ever had, and I've had quite a few STEM teachers that are bad at their jobs. Lectures are basically rambles, you will leave every session more confused about the topic than you came in. Tests are practically impossible, and homework often takes several hours. Avoid at all costs.

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM112
Grade: B
Oct 23, 2024

Professor Fischer's lectures were extremely disorganized and hard to follow. His homework problems were extremely difficult, took hours to complete, and were graded on accuracy. Tests are difficult and weighted very heavily in your grade. Luckily, he is pretty nice about giving extensions and tests are heavily curved because nobody does well.

Tough grader
Lots of homework
Lecture heavy
5.0
4.0
CHEM112
Grade: B+
Mar 1, 2025
Would take again

While a hard grader (and test maker), Professor Fischer was an amazing teacher. He is passionate about his work and makes you care about chemistry like never before. if you pay attention and take notes in class, the homework will be review (but not new content). He is an advanced chemist and approaches his teachings as such, but is easy to talk to!

Tough grader
Amazing lectures
Accessible outside class
4.0
4.0
CHEM112
Grade: A
Apr 27, 2025
Would take again

Overall I like Fischer, he's quite eccentric but has a really good heart. Sometimes the lectures or long and get sidetracked but most of the time it's good. This is meant to be a hard class, ur gonna fail sometimes get used to it, but you'll still do fine in the class if you do the homework and take good notes.

Tough grader
Lecture heavy
Test heavy
4.0
5.0
CHEM112
Grade: B+
Apr 28, 2025
Would take again

Paul is good professor, he's passionate about his job. READ THE TEXTBOOK. He expects you to read it since the conceptual test questions come from the textbook. Homework takes hours, but you'll get used to the amount. Exams are hard. Take advantage of office hours, the max tutoring center, and SI sessions, this is not an easy course. But you got it!

Tough grader
Get ready to read
Test heavy
1.0
5.0
CHEM112
Grade: B
May 9, 2025

Avoid this professor like the plague. Exams were much more difficult than the homework

Tough grader
Lots of homework
Test heavy
1.0
5.0
CHEM112
Grade: C
May 10, 2025

This class was MUCH more difficult than Organic Chem. Prof Fischer will throw curveballs on exams

Tough grader
Get ready to read
Lots of homework
1.0
5.0
CHEM112
Grade: C+
May 10, 2025

If you go to office hours he'll tell you to read the textbook

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM112
Grade: C
May 11, 2025

I quit the Pre Med track because of Prof Fischer. Studied 6+ hours every day and still got a C. Exams are exceedingly difficult and require complete mastery of the material

Tough grader
Get ready to read
Lots of homework
5.0
5.0
CHEM112
Grade: A-
May 11, 2025
Would take again

You get out of Fischer's course exactly what you put into it. He definitely teaches like he expects everyone in the class to care, so don't take his course if it isn't for your major. He taught me a deep understanding of the concepts, but he could definitely also be more beginner-friendly. Is clearly very passionate about chemistry.

Tough grader
Lots of homework
Lecture heavy
1.0
5.0
CHEM112
Grade: B
May 11, 2025

Fischer's class is inaccessible to people without much experience in chemistry

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM112
Grade: D+
May 11, 2025

Professor Fischer was rude when I went to office hours . Exams were nothing like the hw

Tough grader
Lecture heavy
Test heavy
1.0
5.0
CHEM112
Grade: B+
May 11, 2025

Fischer would be a better prof for accelerated gen chem. If you are not a chem major and you need a good grade, do not take a course with him. His course is extremely fast paced

Tough grader
1.0
5.0
CHEM111
Grade: B-
May 11, 2025

The line out the door for his office hours is longer than the pasta line at Cafe Mac. If that tells you anything about the difficulty of his course

Tough grader
Inspirational
Hilarious
1.0
5.0
CHEM112
Grade: B
May 12, 2025

Most difficult prof at Mac

Tough grader
1.0
5.0
CHEM112
Grade: B-
May 12, 2025

Pick a religion and start praying.

Tough grader
Lots of homework
Lecture heavy
5.0
4.0
CHEM112
Grade: A-
May 16, 2025
Would take again

Prof. Fisher is one of the most inspiring professors/teachers I have ever had. His enthusiasm for chemistry is contagious. Yes, the class is hard but it's very true that your grade is a reflection of the work you put in. Success in this class is very hard to achieve if you do not use all your resources (office hours, SI sessions, MAX center, etc.).

Inspirational
Lecture heavy
Accessible outside class
1.0
5.0
CHEM112
Grade: B
May 16, 2025

This class was more difficult than organic! Unnecessarily hard

Tough grader
1.0
5.0
CHEM112
Grade: B
May 29, 2025

This is an exceedingly difficult class. The HW takes 3+ hours every night

Tough grader
1.0
5.0
CHEM112
Grade: B
May 29, 2025

No wonder Professor Fischer is a massive baseball fan and has season tickets for the Minnesota Twins… he throws CURVEBALLS on every exam!

Tough grader
Lecture heavy
Test heavy
2.0
5.0
CHEM112
Grade: B
Jul 11, 2025

He is married to Chemistry. If you are not ready to be, this is not the Professor for you.

Tough grader
Lots of homework
1.0
5.0
CHEM112
Grade: C
Oct 3, 2025

Difficult and unreasonable. Lost hours of sleep studying and doing homework. Avoid taking if you're an anxious tester/don't have hs chemistry experience/struggle with figuring out math/chemical concepts on your own. As a lab instructor, he graded on his own rubric with more requirements/harsher grading. It's been months and I'm still scarred.

Tough grader
Lots of homework
1.0
5.0
CHEM112
Grade: B+
Dec 21, 2025

professor fischer made things explode in class 👍 unnecessarily difficult course, tests did not reflect what was taught

Tough grader
Hilarious
1.0
5.0
CHEM112
Grade: B+
Dec 21, 2025

professor fischer made things explode

Tough grader
Class Info

Online Classes

100%

Attendance Mandatory

27%

Grade Predictor

Your expected effort level

LowHigh

Predicted Grade

B

95% confidence
Based on 40 grades
Most common grades:
B (14)
B+ (8)
A- (5)
Grade Distribution
A(2)B(16)C(8)D(2)F(0)A-/B+(13)
Based on 47 reported grades
B: 14
B+: 8
A-: 5
C+: 4
Common Tags
Tough grader (40)
Lots of homework (23)
Lecture heavy (16)
Test heavy (16)
Accessible outside class (6)
Gives good feedback (5)
Hilarious (4)
Get ready to read (4)
Rating Trend

Declining

-1.91 avg change
Mar
Apr
May
Jul
Oct
Dec
Last 6 months
Ratings by Course

CHEM1113

5.0

(1)

CHEM13THERMO

5.0

(1)

CHEM13

4.5

(2)

CHEM111112

4.5

(4)

CHEM411

4.3

(4)
+3 more courses
Difficulty by Course

CHEM13THERMO

5.0

CHEM112

4.6

CHEM13

4.5

GENCHEM

4.5

CHEM111

4.4

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