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Lessons offered by Ricardo
  • Individual
The lessons will be held
Taught subjects
  • Chemistry
  • Organic chemistry
  • Thermodynamics
  • College / University Preparation
  • Electrochemistry
  • Physics - Chemistry
Levels
  • All Levels

Incoming Fall 2021 Caltech Chemistry PhD Student offering tutoring in Chemistry/Organic Chemistry

Methodology

First, I get to know my students and figure out their preferred method of learning. I try to understand why they are struggling and find a way to make learning fun for them. In my experience teaching, once we establish this intrinsic motivation within the student, learning the actual subject comes much more naturally.

I have a high school level and college level general chemistry curriculum ready for use including: Power Point Presentations, in-class worksheets, creative take home assignments, and bi-weekly quizzes. I am also capable of giving support for any high school or college level Chemistry classes students may already be taking.

In essence, I want to make learning fun, effective, and useful for my students. Students will probably ending up learning more silly puns/acronyms than they expect, but that's the secret to this subject!

I can do individual or group sessions!

Background

I am a 4th year Chemistry major at UC Riverside currently studying secondary organic aerosols with Professor Haofei Zhang. I'm also an Undergraduate Research Ambassador for Student Engagement at UCR working to aid students with scholarships, graduate school applications, and finding research opportunities during the COVID-19 Pandemic. Lastly, I am a part of the Mentor Collective at UCR and I am currently working with 3 mentees. I have a passion for Chemistry and I love showing people the easiest way to understand the subject. I will be attending Caltech in Fall 2021 for my PhD in Chemistry.

I started tutoring in high school through Key Club and I began specializing in Chemistry tutoring during my time at UCR.

Rates

Transportation Fee : $5
Rate for online lessons : $12/h
Rate for 5 hours of lessons : $55
Rate for 10 hours of lessons : $100

Details

Cancellation must be done at least 24 hours before the lesson occurs. If cancellation occurs within 24 hours before the lesson, you will not get your money back. You will get 1 cancellation opportunity without the no refund policy.

Lessons offered by Ricardo
Individual
The lessons will be held
at your home
Taught subjects
  • Chemistry
  • Organic chemistry
  • Thermodynamics
  • College / University Preparation
  • Electrochemistry
  • Physics - Chemistry
Levels
  • All Levels

Ricardo's resume

Ricardo Pfleider Tolentino

Education:

Gretchen A. Whitney High School
University of California, Riverside, CA
UCR Honors Program
BS in Chemistry
Dean’s Honors List x5 / Chancellor’s Honors List
Cumulative GPA: 3.52 Anticipated Graduation: June 2021

Chemistry Related Experience:

Undergraduate Researcher, Zhang Research Group, Department of Chemistry, UC Riverside
(October 2018 - Present)
Investigated the ongoing multiphase chemistry occurring in the atmosphere that dynamically transforms
the atmosphere’s organic composition in gas and aerosol particles.
● Collaborated with a team of graduate students to elucidate mechanistic formation pathways of
organic aerosols.
● Performed chemical analysis of reactions with varying concentrations of ozone and VOCs using
CIMS, ESI-IMS-TOFMS, and GC-MS to observe differences in aerosol properties.
● Analyzed lab data and discussed findings with the leading professor on a weekly basis.

Undergraduate Research Ambassador, Office of Student Engagement, UC Riverside
(July 2020 - Present)
Collaborated with UCR Faculty to help undergraduate students maximize their research experience by
providing them with resources for joining a research group.
● Delivered online seminars on a weekly basis during the COVID-19 pandemic on a variety of
topics such as: how to approach faculty, email etiquette, and how to perform a literature review.
● Mentored undergraduate students one-on-one to aid in finding the appropriate lab group for them.
● Created various educational videos to maximize outreach on social media.
Research Skills:
CIMS, UV-Vis Spectroscopy, GC-MS, ESI-IMS-TOFMS, Stock/Sample Preparation, Thin Layer/Liquid Chromatography, EDA using Python, TOFWERK Software, Microsoft Office/Google Drive

Publications:

Zhao, Z.; Mayorga, R.; Lee, J.; Yang, X.; Tolentino, R .; Zhang, W.; Vuong, A.; Zhang, H. Site-Specific
Mechanisms in OH-Initiated Organic Aerosol Heterogeneous Oxidation Revealed by
Isomer-Resolved Molecular Characterization. ACS Earth and Space Chemistry 2020 .
(concealed information)

Zhao, Z.; Tolentino, R .; Lee, J.; Vuong, A.; Yang, X.; Zhang, H. Interfacial Dimerization by Organic
Radical Reactions during Heterogeneous Oxidative Aging of Oxygenated Organic Aerosols. J.
Phys. Chem. A 2019 , 123 (50), 10782–10792. (concealed information)

Zhao, Z.; Yang, X.; Lee, J.; Tolentino, R .; Mayorga, R.; Zhang, W.; Zhang, H. Diverse Reactions in
Highly Functionalized Organic Aerosols during Thermal Desorption. ACS Earth Space Chem. 2019 .
(concealed information)

Work Experience:

Driver/Cashier/Parking Attendant, UC Riverside TAPS (March 2018 - July 2020)
● Operated University directory kiosk to provide general directions for campus events and parking.
● Prepared road signs for large concerts such as the Spring Splash and Block Party.
● Offered mobility services to the disabled as well as a nightly shuttle to student homes within a 3 mile radius
of campus.

Awards and Honors:

2020 Kuwana and Sawyer Research Scholarship, UC Riverside - $2500 Scholarship for excellence in
analytical chemistry classes and laboratory research at UC Riverside.

2020 Mini Grant Research Award, UC Riverside - $300 Scholarship specifically for project investigating
multiphase chemistry of organic aerosol via radical and non-radical mechanisms .

2019 Richard M. Martin Research Scholarship, UC Riverside - $3000 Scholarship for achievements in
chemistry classes, chemistry laboratory research, and a capacity to contribute to the advancement of knowledge in
chemistry.

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