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How To: Deal with SN2 (biomolecular nucleophilic substitution) reactions in chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to understand and work with SN2 reactions in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Work with steric hindrance in organic chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to use Markovnikov's rule to understand steric hindrance in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Work with SN2 reactions in stereochemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to handle SN2 substitution reactions in stereochemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Polymerize an alkenes with an acid in organic chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to handle the polymerization of an alkene with an acid in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Work with reaction mechanisms in organic chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to handle reaction mechanisms in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Work with hybridized orbitals and sigma bonds in organic chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn what to do with hybridized orbitals and sigma bonds in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Create a double Newman diagram for methcyclohexane in organic chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to create a double Newman diagram for methcyclohexane. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Use Markovnikov's rule to determine the likelihood of an addition reaction

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to use Markovnikov's rule to figure out which addition reaction is most likely in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Represent the structure of a molecule in organic chemistry

Need some help figuring out how to represent an organic molecule? You're in luck: In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to just that. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Use the Entgegen-Zusammen naming scheme for alkenes in organic chemistry

What's in a name? Well, your chemistry grade, for one. In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to .... Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Change thread colors in a Singer Finishing Touch serger sewing machine

If you have yourself a serger sewing machine, and you've already learned how to thread a Singer Finishing Touch serger sewing machine with differential feed, then you're eventually going to have to change the thread colors. This tutorial will show you how easy it is to rethread (without unthreading) the Singer serger (14SH654), which has 4/3 thread capability. Singer also has a PDF available with detailed threading instructions.

How To: Change the layout of a Google Sites website

Want to alter the look and feel of your Google Sites website? It's easy. And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started managing your own web pages with Google Sites, take a look.

How To: Edit or clear your Amazon browsing history

Protect your privacy by editing or completely erasing your Amazon search history. It's easy. And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started managing your own web pages with Google Sites, take a look.

How To: Edit and add content to a Google Site webpage

Interested in editing your Google Site webpage? It's easy. And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started managing your own web pages with Google Sites, take a look.

How To: Use the Nook eReader app on a Google Android smartphone

Want to get started using the free Nook eReader app to read digital books on your Google Android smartphone? It's easy. And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started managing your own web pages with Google Sites, take a look.

How To: Direct a custom domain to your Google Sites website

Want to direct your personal domain to your Google Sites page? It's easy. And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started managing your own web pages with Google Sites, take a look.

How To: Add and follow friends on Tumblr

Can't quite figure out how to add a new friend on Tumblr? It's easy. And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get keep track of your own friends' Tumblr blogs, take a look.

How To: Set up and use a Samsung Intensity II cell phone

Need a quick primer on how to get started using a Samsung Intensity II cell phone? Whether you're a proud owner of the Samsung Fascinate Google Android smartphone or are merely considering picking one up, you're sure to benefit from this video tutorial. For more information, including detailed, step-by-step instructions, take a look.

How To: Add speech-to-text on an HTC Droid Eris smartphone

In this clip, you'll learn how to install and use text-to-speech on an HTC Droid Eris phone. Whether you're a proud owner of the Verizon Droid Eris Google Android smartphone or are merely considering picking one up, you're sure to benefit from this video tutorial. For more information, including detailed, step-by-step instructions, take a look.

How To: Send and receive messages on a Samsung Fascinate smartphone

Whether you're a proud owner of the Samsung Fascinate Google Android smartphone or are merely considering picking one up, you're sure to benefit from this video tutorial, which presents a brief overview of the device's myriad messaging features. For more information, including detailed, step-by-step instructions on how to send and receive SMS, MMS and email messages, take a look.

How To: Search Amazon to find wish lists and wedding registries

Someone you know have a birthday or wedding coming up? Search Amazon to see if they've set up a wish list (wishlist) or registry! It's easy. And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started finding wish lists on Amazon yourself, take a look.

How To: Add a new page to a Google Sites website

Need some help figuring out how to add a new page to your Google Sites website? This brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started adding new content to your own Google Sites webpage, take a look.

How To: Create and submit new post on a Tumblr blog

Need a quick primer on how to add a new post to a Tumblr website? It's easy! And this brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started adding content to your own Tumblr blog, take a look.

How To: Speed up Aero on a Microsoft Windows 7 PC

Aero slowing down your Microsoft Windows 7 PC? Want to speed things up a little? This brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started speeding up your own Win 7 desktop or laptop computer, take a look.

How To: Customize the theme and appearance of a Tumblr blog

Looking for a way to add a bit of personality to your Tumblr page? This brief video tutorial from the folks at Butterscotch will teach you everything you need to know. For more information, including detailed, step-by-step instructions, and to get started customizing the look and feel of your own Tumblr site, take a look.

How To: Adjust the width of an object in Adobe Illustrator CS4 or CS5

In this clip, you'll learn how to make use of the Width tool when doing design work in Adobe Illustrator CS4 or CS5. Whether you're new to Adobe's popular vector graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.

How To: Create and move slices in Adobe Illustrator CS4 or CS5

In this clip, you'll learn how to use the Slice and Slice Selection tools to create and adjust slices when doing design work in Adobe Illustrator CS4 or CS5. Whether you're new to Adobe's popular vector graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video ...

How To: Create geometrical shapes in Adobe Illustrator CS4 or CS5

In this clip, you'll learn how to use the Shapes tools to create perfectly geometrical shapes like squares and circles. Whether you're new to Adobe's popular vector graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.

How To: Create custom shapes in Adobe Illustrator CS5 with the Shape Builder tool

In this clip, you'll learn how to make use of the ever-useful Shape Builder tool when doing design work in Adobe Illustrator CS4 or CS5. Whether you're new to Adobe's popular vector graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.