Which R do I use?

Which R do I use?

Which R do I use? It’s a common question for chemistry students, and when it comes to the AP chemistry exam there is a choice of values for the ‘Universal’ Gas Constant. Currently appearing on an AP formula sheet near you, one can find the following;...
Which R do I use?

Which R do I use?

NOTE: There is now an updated (April 2016) version of this post to reflect the new curriculum. Which R do I use? It’s a common question for chemistry students, and when it comes to the AP chemistry exam there is a choice of values for the Universal Gas Constant....

Root mean square speed and k versus R

A student asked me today (thanks, Austin) why there are two different expressions given on the AP exam for calculating the root mean square speed of a gas, and how this can be explained in terms of the use of k, R, m and M. Here’s the answer that I gave. You...

HONORS MATERIALS


REGULAR MATERIALS

ORGANIC COURSE 2


ADRIAN

Read about Adrian as an Educator of over thirty years, as a Chemistry Tutor with a resume of helping hundreds of private clients over three decades, and as an Author and Writer with an extensive portfolio of work

ADRIAN'S CORE VALUES

Read about the the four Core Values that drive all of Adrian's professional endeavors, and that act as the cornerstones of his work

ADRIAN'S CHEMISTRY BOOKS

Check out all of my books

CHEMISTRY BOOK GALLERIES

Pretty pictures of my books

CHEMISTRY WRITING PORTFOLIO

Chemistry writing beyond books