Alfonso C.

What do you want to work on?

About Alfonso C.

Subjects

Chemistry

Career Experience

Teaching experience at undergraduate and post graduate level in chemistry and physics. Research experience in polyolefin chemistry synthesis, degradation and stabilization mechanisms as well as petrochemical industry manufacturing processes.

I Love Tutoring Because

of the challenge encountered during the student interaction, being able to help the student, and the gratification obtained when understanding of the particular topic is achieved by the student.

Other Interests

Baseball, Drinking Coffee, Reading, Soccer, Watching Movies

Reviews (4,794)

Yajaira

Science - Chemistry

Jan 25, 2025

Great tutor !!

Malik

Science - Chemistry

Jan 20, 2025

Thank you Alfonso for your help! I really appreciate all you have done for me in my understanding of Kinetics, Equilibrium, and general chemistry!

Lauren

Science - Chemistry

Jan 19, 2025

Was super helpful and explained it in multiple ways, which I really appreciate.

Nuha

Science - Chemistry

Dec 15, 2024

he explained it great

Elijah

Science - Chemistry

Dec 15, 2024

Really helpful and nice

Joshua

Science - Chemistry

Dec 12, 2024

good session

Robert

Science - Chemistry

Dec 7, 2024

Thank you

Israel

Science - Chemistry

Dec 7, 2024

Very professional, and Great

George

Science - Chemistry

Dec 2, 2024

Best teacher ever

Lexi

Science - Chemistry

Nov 18, 2024

very helpful and my tutor was awesome!!!

Sierrah

Science - Chemistry

Nov 4, 2024

Thank you to this instructor who broke down every step and had an answer for all my questions!

Riley

Science - Chemistry

Nov 3, 2024

Amazing tutor!

Robert

Science - Chemistry

Nov 2, 2024

Thank you

Tammy

Science - Chemistry

Nov 2, 2024

very patient

Dariya

Science - Chemistry

Oct 31, 2024

Fantastic

YSABELLA

Science - Chemistry

Oct 27, 2024

Alfonso C. was fantastic. He broke down all of the information and answered all of our questions (which there were many) with patience. When we did not fully understand he modified the instructions until we did. Highly recommend!

Karim

Science - Chemistry

Oct 22, 2024

Tutor was amazing

Julian

Science - Chemistry

Oct 12, 2024

Was a very pleasant experience and was incredibly helpful!

Kasanny

Science - Chemistry

Oct 12, 2024

Perfect explinantions!

Adam

Science - Chemistry

Oct 10, 2024

This tutor was really helpful and I did learn new things.

Robert

Science - Chemistry

Oct 10, 2024

Thank you

Sarah

Science - Chemistry

Oct 7, 2024

The Tutor was soooo helpful!!! He helped me see the what I had lost sight of.

Robert

Science - Chemistry

Oct 6, 2024

Thank you

Robert

Science - Chemistry

Oct 6, 2024

Thank you

Robert

Science - Chemistry

Oct 5, 2024

Thank you

Claudia

Science - Chemistry

Sep 30, 2024

no comments, excellent service!

Andrew

Science - Chemistry

Sep 27, 2024

Alfonso really helped me identify a mistake that I had unknowingly made several times.

Muna

Science - Chemistry

Sep 24, 2024

helpful.

Misael

Science - Chemistry

Sep 23, 2024

Went straight to the point and explained to me in detail

Erica

Science - Chemistry

Sep 20, 2024

Alfonso was EXCELLENT! Instead of just giving the answer, he explained the WHY behind it. That truly helped me understand what I was doing. Amazing tutor!

Perlla

Science - Chemistry

Sep 15, 2024

Very nice and easy to understand!!!

Kayla

Science - Chemistry

Sep 10, 2024

He was super nice!

Kyle

Science - Chemistry

Sep 8, 2024

Very knowledgeable and patient.

Rachel

Science - Chemistry

Sep 8, 2024

great detailed explanations

Tammy

Science - Chemistry

Sep 7, 2024

great seesion

Yuvika

Science - Chemistry

Sep 2, 2024

It was good I understood the topic more in depth.

Tammy

Science - Chemistry

Sep 2, 2024

very helpful

Joshua

Science - Chemistry

Aug 28, 2024

I love Alfonso

Priscila

Science - Chemistry

Aug 25, 2024

thxx

AzizaLiz

Science - Chemistry

Aug 24, 2024

ALfonso was a really great Chem tutor, spent about an hour on 4 questions to help me understand the core concepts and definitions!

Tammy

Science - Chemistry

Aug 21, 2024

very helpful

Erica

Science - Chemistry

Aug 21, 2024

Great tutor and very knowledgeable!

Tammy

Science - Chemistry

Aug 13, 2024

very patient and engaging.

Tammy

Science - Chemistry

Aug 11, 2024

very patient

Nur

Science - Chemistry

Jul 21, 2024

Wonderful tutor!

Fidel

Science - Chemistry

Jul 7, 2024

Excellent review. Alfonso was awesome. I am really grateful for this service. Alfonso explained to me where my error was.

Tammy

Science - Chemistry

Jul 3, 2024

very good

Fidel

Science - Chemistry

Jun 12, 2024

excellent review of PPM and stoichiometry. I am so happy I used this service because it is saving me time and helping me to get a clear understanding of the material

VIRNA

Science - Chemistry

May 29, 2024

Great Tutor who done the job properly.

Kenneth

Science - Chemistry

May 27, 2024

very patient

Jonpaul

Science - Chemistry

May 23, 2024

Tutor was very patient and very well detailed with all of his explanations

Allen

Science - Chemistry

May 20, 2024

good

Sam

Science - Chemistry

May 15, 2024

Helpful

Sehar

Science - Chemistry

May 12, 2024

Thank YOU!!

Adhm

Science - Chemistry

May 10, 2024

None

Tahir

Science - Chemistry

May 9, 2024

amazing help!!!

Adhm

Science - Chemistry

May 7, 2024

None

Nur

Science - Chemistry

May 7, 2024

Wonderful Tutor!

Robert

Science - Chemistry

May 6, 2024

Thank you

Alexander

Science - Chemistry

May 5, 2024

i got help where I was stuck!

Robert

Science - Chemistry

May 3, 2024

thank you

Nur

Science - Chemistry

Apr 28, 2024

Wonderful tutor took the time to understand where I was struggling and helped me problem solve difficult problems!

Aine

Science - Chemistry

Apr 28, 2024

His mic kept cutting out a little bit, but he was a nice dude

Robert

Science - Chemistry

Apr 28, 2024

Thank You

Sehar

Science - Chemistry

Apr 24, 2024

Thank you :)

Savannah

Science - Chemistry

Apr 21, 2024

Thank You!

Nur

Science - Chemistry

Apr 21, 2024

Wonderful Tutor

Aditya

Science - Chemistry

Apr 20, 2024

Grear Job! Taught me well and fast. Every minute was worth it!

Jusiah

Science - Chemistry

Apr 20, 2024

Great, great session, great instructor, give him to more people!

Khaylah

Science - Chemistry

Apr 19, 2024

Amazing tutor, very helpful and understanding!

Rogelio

Science - Chemistry

Apr 11, 2024

Thanks.

Nasiba

Science - Chemistry

Apr 3, 2024

Was really good at explaining verbally and virtually

Eowyn

Science - Chemistry

Mar 31, 2024

Thanks for the help! Relatively quick and concise help. Helped clarify things I didn't understand from my lectures. Thank you!

Joshua

Science - Chemistry

Mar 27, 2024

This was the first time I have ever used the tutor 24/7 and I really enjoyed it and my tutor really helped explain different areas of my homework to me

Abigail

Science - Chemistry

Mar 26, 2024

Very kind and nice.

Nur

Science - Chemistry

Mar 24, 2024

Wonderful tutor helped me understand difficult topics!

Lissette

Science - Chemistry

Mar 23, 2024

I just need a voice session for next time I think it took time to text back and fourth.

Lauryn

Science - Chemistry

Mar 21, 2024

I have always been afraid of getting in person tutoring so having someone on hand and always available makes me feel a little more comfortable. I really enjoyed the session and will be using it more often.

Nur

Science - Chemistry

Mar 16, 2024

Wonderful Tutor helped my understand difficult topics!

Tahir

Science - Chemistry

Mar 15, 2024

the greatest tutor

Donnell

Science - Chemistry

Mar 14, 2024

Really enjoyed help from this tutor, helped me realize a lot of my mistakes during my process of trying to work on my problems which means i'm learning from my mistakes. Though the sessions being only 60 minutes is a little nerve racking since I needed a little more help. Overall great experience.

Raphael

Science - Chemistry

Mar 13, 2024

he was great!

Kareena

Science - Chemistry

Mar 9, 2024

awesome

Lucas

Science - Chemistry

Mar 2, 2024

good tutor

Anna

Science - Chemistry

Feb 26, 2024

kind, helpful, and didn't rush

Jarrett

Science - Chemistry

Feb 24, 2024

Absolutely Fantastic, Give him a raise.

Malik

Science - Chemistry

Feb 19, 2024

Pretty solid.

Tymeca

Science - Chemistry

Feb 18, 2024

This was a great session really helped me a lot and was very patient.

Eowyn

Science - Chemistry

Feb 18, 2024

Very helpful, they helped me finally finish off the rest of my homework very quickly in a very helpful way! Thank you!

Ashley

Science - Chemistry

Feb 17, 2024

great tutor

Katelynn

Science - Chemistry

Feb 17, 2024

was over explaining what I was already comfortable with and not answering the question I had

KARLA

Science - Chemistry

Feb 13, 2024

so helpfull

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