Each tutorial offers:

Concept$-$focused instruction. Video presentations are used in some of the primer exercises.

An example problem to demonstrate how the concept is applied to problems. You may find that this problem is easy for you. If it is not, access the hints provided to help you solve it$.$

Hints that include a video sample problem of an instructor solving a similar problem and step$-$bystep solutions for you to complete.

You may recall many of these concepts from your high school courses, but if not, you will be able to refresh your memory. Also, you will know which areas to seek help on right at the beginning of your course. Plus, you will use the Mastering Chemistry program for your homework so you will already have experience with the program.

The following parts A and $B$ are not chemistry related, but will provide you with an example of how the program works. These exercises are chosen specifically to lead you through the key features of Mastering. You might choose to submit incorrect answers and use the hints to see what happens!

What is the magic number? $($Figure $2)$

Note that there is a figure also associated with this part. However, the figure for Part A may still be visible on the left. To view the figure associated with Part B$,$ click on the figure link. A new figure should appear on the left.

You could try to guess the magic number but you would probably use up all your tries before getting the answer. Notice the new Hints button above the answer box for this question. Clicking this button will open up a list of hints that will guide you to the correct number.