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Award-Winning 12th Grade Chemistry Tutors
Certified Tutor
5+ years
Karista
I am now an independent contractor and science writer. Some of my work is on my website, www.karistahudelson.com. I am passionate about education and truly enjoy helping students with science and math courses. I have tutored for undergraduate level chemistry, algebra, and biology courses and taught ...
University of North Texas
Master of Science, Environmental Science
Oklahoma State University-Main Campus
Bachelor of Science, Biochemistry
University of Windsor
Doctor of Philosophy, Environmental Science
Certified Tutor
I am a licensed physician from Florida who is currently changing careers. I graduated from the University of Pennsylvania in 2009 and have extensive tutoring and editing experience. While a student, I became a certified writing tutor through the Critical Writing Department. Since I completed my writ...
Nova Southeastern University
PHD, Medicine
University of Pennsylvania
Bachelors, History
University of Pennsylvania
undergraduate
Certified Tutor
Kate
I'm available to tutor biology, chemistry, physics, math from Algebra up through AP Calculus, SAT test prep, and French. I've been tutoring students in science and math for 7 years. I also spent 8 months working and studying in France, and have tutored high school and adult students in French. When ...
Massachusetts Institute of Technology
Masters, Environmental Engineering
Massachusetts Institute of Technology
Bachelors
Certified Tutor
9+ years
Jai
I'm a recent Stanford graduate (Electrical Engineering and Computer Science), and have been working at a major Management Consulting firm for a few years now. I personally scored a 2360 (out of 2400) on the SAT and 35 on the ACT and was successful in gaining admission to several top universities. I'...
Stanford University
Bachelors in Electrical Engineering and Computer Science
Certified Tutor
Erika
I am available to tutor middle and high school math, history and test prep. I have tutored math and history in the past and I previously taught a test prep course at a school in Hanoi, Vietnam. I have a lot of experience teaching all the need-to-know tricks to doing great on the SATS/ACTS! When I am...
Harvard University
Master of Public Policy, Public Policy
Certified Tutor
6+ years
Rhea
I am a current student at the University of Chicago. I am working towards a Bachelor of Science in Biological Sciences, and I am on the pre-medical track. I am extremely passionate about tutoring, and I have several years of experience tutoring students in my high school's learning center in various...
University of Chicago
Bachelor of Science, Biology, General
Certified Tutor
6+ years
Jeffrey
I am enrolled in the Mechanical Engineering PhD program at Rice University which will begin Fall 2020, and I am hoping to return to academia as a professor after earning my PhD. In the meantime, I am looking to share my passion for gaining knowledge, specifically in STEM, by educating the up and com...
University of Notre Dame
Bachelor of Science
Rice University
Doctor of Philosophy, Mechanical Engineering
Certified Tutor
5+ years
Tiffany
I am available to tutor a broad range of subjects, I am passionate about test preparation, Accountancy, and Algebra.
University of Notre Dame
Bachelor in Business Administration, Accounting
University of Chicago
Juris Doctor, Legal Studies
Certified Tutor
Tony
I am a recent graduate of Yale University and incoming first year medical student at Columbia University. Originally from the DC area, I have always had a passion for science and medicine and pursued a degree in Biology while at Yale. During the 2008-2009 academic year, I tutored science, math, Engl...
Yale University
Bachelor of Science in Biology
Certified Tutor
Charles
I am a junior Mechanical Engineering major at Yale, and I hope to become a Naval Aviator after college. I am also a varsity sailor, and enjoy playing music with friends when I can get some free time. I have been tutoring my fellow students throughout my entire academic career, and I would best descr...
Yale University
Bachelor of Science, Mechanical Engineering
Top 20 Science Subjects
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Earnest
Pre-Algebra Tutor • +26 Subjects
I am comfortable with either setting. I'm confident that I can help you (or your student) achieve to the best of their ability, so please don't hesitate to get in touch!
Matthew
Pre-Algebra Tutor • +39 Subjects
I'm a highly creative person who works best with visual thinkers. Very recently graduated from Stanford University, I majored in Human Biology with a concentration in Bioinformatics and Stem Cell Science. Technical though my background may be, I am currently gigging as a singer/songwriter/composer in NYC and tackle even the most hard-science of problems with a top-down, big-picture, holistic approach. If you have a propensity to look at problems in a cross- or inter-disciplinary manner (or want to learn how to do so), I'm the tutor for you!
Pinelopi
Pre-Algebra Tutor • +25 Subjects
I am a Duke University graduate with a Bachelors degree in Psychology. I have experience tutoring all levels of Spanish language, all sections of the SAT, as well as algebra, pre algebra, geometry, and pre-calculus! I love kids & I have a very flexible schedule and a lot of patience! Let me help you :)
Sharon
Pre-Algebra Tutor • +29 Subjects
I am a graduate of the University of Chicago, and I will be starting a graduate program at Columbia in August. I am about to complete a year of service with City Year, an education non-profit that places young adults into under-served schools. As a City Year member, I worked full-time in the classroom with middle-school students who were in approximately the 10th percentile for math (meaning they score lower than 90% of students). One-fourth of those students were able to grow around 15 percentile points by the end of the year! Hobbies: reading, cooking, gardening, music, art, nature, books, writing
Samuel
AP Calculus AB Tutor • +29 Subjects
I am a freshman at Caltech majoring in Applied and Computational Mathematics. My favorite subject to tutor is math because I find it very rewarding to simplify complex topics to aid in understanding. I have lots of tutoring experience. In high school, I ran and taught an SAT prep class and was vice president of my school's NHS chapter where I ran our tutoring program, and I, myself, tutored. I also was a teaching assistant in the summer of 2020 for a class in discrete mathematics through a program called PACT (Program in Algorithmic and Combinatorial Thinking). I love learning and hope to make the process enjoyable for you!
Sami
Pre-Algebra Tutor • +19 Subjects
I am a Duke University graduate in Economics and Computer Science. I am currently pursuing an MBA degree at the Yale School of Management. I have worked in the financial field, both at a management consulting firm and a fortune 500 company. My hobbies include playing and coaching soccer. Hobbies: reading, writing, art, books, music
MaryAnn
Calculus Tutor • +21 Subjects
I am a published author who has enjoyed “coaching” our daughter, as she navigated through high school, college and graduate school. I mentor college juniors who are seeking careers in financial services, and I serve as a peer resource to professionals who are transitioning from private industry to the nonprofit sector. Hobbies: reading, cooking, writing, books, music, art, travel
Quinn
Calculus Tutor • +17 Subjects
I am willing to address any issue with an open mind and I try to develop strategies that play to a student's strengths. I would like to think I am very approachable and personable, and I have had very positive experiences with many students in the past using this philosophy. Outside of academics, I love playing basketball and watching sports, as well as chilling with friends, listening to music, and keeping up with politics and current affairs.
Annie
Pre-Algebra Tutor • +28 Subjects
I am currently a second year medical student. I was a Physiological Sciences major at UCLA (class of 2015), and pursued research during my gap year between undergrad and medical school.
Samantha
Pre-Algebra Tutor • +38 Subjects
I'm a first-year medical student and recent graduate from Duke University, where I studied Global Health Determinants, Behaviors, and Interventions. From running a piano program at a nonprofit children's theatre to private tutoring in math, science, and standardized test prep, I enjoy helping my students become confident and self-sufficient learners! Hobbies: photography, travel, reading, music, writing, running, art, books, traveling
Top 20 Subjects
Frequently Asked Questions
The most common challenges are stoichiometry and balancing chemical equations—students often understand the concept but struggle with the multi-step calculations and unit conversions. Equilibrium and Le Chatelier's principle also trip up many students because they require visualizing molecular-level shifts that aren't immediately obvious. Thermodynamics and entropy are abstract concepts that benefit greatly from real-world examples, and acid-base chemistry requires mastering both calculations and conceptual reasoning about conjugate pairs and buffer systems.
A tutor breaks down the systematic approach—identifying oxidation states, recognizing patterns in common reaction types, and using the algebraic method when inspection fails. More importantly, they help you understand *why* equations balance (conservation of mass) rather than just memorizing steps, which makes the process feel logical instead of arbitrary. Many students also benefit from working through equations at different complexity levels, starting with simple combustion reactions and building to redox equations, so the skill develops progressively.
A tutor can help you understand the scientific method as it applies to your actual lab experiments—how to design a fair test, identify variables, and interpret results meaningfully. They can also help you prepare for lab practicals by walking through proper technique, safety protocols, and how to troubleshoot when results don't match predictions. This is especially valuable for understanding what went wrong in an experiment and how to adjust your approach, which is critical thinking skill that extends beyond just getting the right answer.
A tutor uses multiple strategies to make invisible chemistry visible—drawing Lewis structures step-by-step, using orbital diagrams to show electron placement, and connecting abstract models to observable properties (why ionic compounds conduct electricity, why covalent molecules have specific shapes). Many students benefit from working with molecular models or 3D visualization tools while a tutor explains what's happening at the electron level. The key is building a mental model so you can predict properties and reactivity, not just memorize definitions.
Understanding is always the stronger foundation—when you grasp *why* reactions occur and how to predict products based on periodic trends and bonding rules, you can solve problems you've never seen before. That said, some things do need to be memorized (like common polyatomic ions or the activity series), but a tutor helps you distinguish between what's worth memorizing and what you can derive from principles. The sweet spot is understanding the core concepts deeply enough that formulas and reactions make sense, so memorization becomes a shortcut rather than your only tool.
Unit conversions in Chemistry are compounded because you're often chaining multiple conversions together—moles to grams, liters to milliliters, and then applying stoichiometry all at once. A tutor helps you build dimensional analysis skills systematically, starting with simple conversions and building to multi-step problems where you can see how each conversion flows into the next. The breakthrough usually comes when students stop trying to memorize "which way to multiply" and instead focus on setting up conversion factors so units cancel logically—it becomes a puzzle where the answer reveals itself.
A tutor helps you move beyond memorizing "shift left" or "shift right" by connecting equilibrium to real molecular behavior—when you increase pressure, molecules are forced closer together, so the system shifts to reduce the number of gas molecules. Working through ICE tables (Initial, Change, Equilibrium) repeatedly with different scenarios builds pattern recognition, and discussing why certain stresses cause predictable shifts develops the conceptual foundation. Many students benefit from graphing equilibrium positions or working backwards from a desired shift to predict what stress would cause it.
Effective exam prep starts weeks in advance, not days—a tutor helps you identify weak topics early and build mastery progressively rather than cramming. Practice problems should move from guided (worked examples) to independent (full problem-solving), and you should practice explaining concepts aloud, which reveals gaps in understanding that silent studying misses. In the final week, focus shifts to timed practice tests under realistic conditions, reviewing mistakes to identify patterns (like consistently making calculation errors versus conceptual misunderstandings), so your review time targets actual weaknesses.
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