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

Puzzling out ionic compounds

Posted by Nikki F. on 1/15/21 12:30 PM

Although there are lots of tricks that people use to write chemical formulas for ionic compounds, the best way to do it is to really understand what’s going on – that way, you’ll never use a shortcut that doesn’t work.

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Tags: chemistry, chemistry SAT subject test

A step-by-step approach to dimensional analysis

Posted by Nikki F. on 1/13/21 4:00 PM

Dimensional analysis is the best way to do math in chemistry. With dimensional analysis, you don’t need to memorize formulas, and you can easily check your work for every problem. Because this skill is so important, it’s crucial to have a step-by-step method that you follow every time you do it.

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Tags: chemistry, chemistry SAT subject test

Using pKa to predict protonation state

Posted by Nikki F. on 1/11/21 1:48 PM

When you’ve learned about pKa previously, you’ve probably used it in acid-base calculations. However, some exams may ask you to apply a conceptual knowledge of pKa to predict whether a chemical compound is charged or uncharged.

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Tags: chemistry, chemistry SAT subject test

How to begin preparing for the SAT subject test in chemistry

Posted by Marilyn on 7/22/19 3:47 PM

As a high school chemistry teacher myself, I receive an onslaught of questions regarding the SAT subject test.  It is difficult to gauge the best date to take it, how to prepare, and whether or not you're ready.  The first thing you should know: you're not alone!  Many students struggle with how to get started with this test.  The important thing is to make a plan that makes sense for you.  Today is great time to get started on it!

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Tags: chemistry, chemistry SAT subject test

When should I take my SAT subject tests?

Posted by Martha C. on 7/5/19 5:24 PM

Planning for the SAT subject tests is one piece of the college admissions process that oftentimes goes overlooked.  They are forgotten for good reason: in the midst of planning for your AP and honors coursework, juggling your extracurricular activities, and studying for the SAT or ACT, planning for the subject tests can fall by the wayside.

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Tags: math SAT subject test, literature SAT subject test, french sat subject test, chemistry SAT subject test, biology SAT subject test, spanish SAT subject test, chinese SAT subject test, physics SAT subject test, college admssions

Approaching the SAT Subject Test in Chemistry

Posted by The Chemistry Lab on 5/10/13 10:21 AM

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Tags: chemistry, chemistry SAT subject test

Crunch Time for Advanced Placement and SAT Subject Tests

Posted by College Corner on 3/28/13 9:14 AM

So spring is definitely here, and we’re well into the time of year when you’ll be hearing plenty about the Advanced Placement (AP) and SAT Subject (SAT II) exams. 

You might be thinking that there’s very little difference between the two and that both test your knowledge of a specific subject or skill – and to an extent you’d be right.  But there are subtle differences in timing, in testing method, and in how you share these scores that our team of experienced standardized test tutors and academic tutors in New York City, in Boston, and online are ready to share with you all year round.

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Tags: study skills, math SAT subject test, literature SAT subject test, french sat subject test, chemistry SAT subject test, biology SAT subject test, AP exams

Standardized Test Prep: The SAT Subjects Tests vs. AP Exams

Posted by College Corner on 3/12/13 7:14 AM

In the spring, discussion of SAT subject tests and Advanced Placement exams is everywhere due to the masses of high school sophomores and juniors taking these tests. It’s common knowledge that these tests matter for college, but it’s not always clear how (and if) they impact the college admissions process, and what the differences really are.

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Tags: math SAT subject test, literature SAT subject test, french sat subject test, high school, chemistry SAT subject test, biology SAT subject test, AP exams, spanish SAT subject test, chinese SAT subject test

SAT Tutor: Preparing for SAT Subject Tests

Posted by College Corner on 3/7/13 10:05 AM

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Tags: math SAT subject test, literature SAT subject test, french sat subject test, chemistry SAT subject test, biology SAT subject test, spanish SAT subject test, chinese SAT subject test