Ellen Y.

Recent Posts

How to balance redox reactions in acidic and basic solutions

Posted by Ellen Y. on 3/12/21 12:01 PM

Balancing redox reactions is an essential skill for the Chemical and Physical Foundations section of the MCAT, the GRE Chemistry Subject Test, and the AP Chemistry Exam. Today, we will learn how to use the half-cell method for balancing redox reactions in acidic and basic solutions. We will first balance a redox reaction in acidic solution, then we will balance the same redox reaction in basic solution.

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Tags: chemistry, MCAT, chemistry SAT subject test

Tutor Spotlight: Meet Ellen Y., Our Amazing MCAT/MD Admissions Tutor!

Posted by Ellen Y. on 6/18/20 12:06 PM

This week, we're spotlighting Ellen Y., one of our Harvard MD/PhDs.

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Tags: Tutor Spotlights

Working with lenses and mirrors - how to draw a ray diagram

Posted by Ellen Y. on 5/19/20 10:07 AM

Ray diagrams can look intimidating, but they don’t have to be! In this blog post, we will tackle five examples of ray diagrams.

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Tags: physics