Chemical Methods Search Results

How To: Find slant (oblique) asymptotes of rational functions

In this educational video the instructor shows how to find the slant asymptotes of rational functions. Slant or oblique asymptotes occur when the degree of the numerator is exactly one greater than the degree of the denominator of the rational function. The way to find the equation of the slant asymptote from the function is through long division. In this long division you divide the numerator with the denominator by following the long division method as shown in this video. Before dividing i...

How To: Factor a trinomial, find the GCF, then group

This lesson describes the method to find the factors of a trinomial, which consists of three terms, by grouping. First of all, factor out the greatest common factor (GCF), and write the reduced trinomial in parentheses. Let the terms of the trinomial be written in order of exponent of the variable. For example, 3(3X2+2X-8) trinomial is written in the order of variable, with 3(GCF) factored out. Now identify the coefficient of the first and last terms, for example in this case, it is 3 and 8. ...

How To: Start a fire with a single match

This how-to video is about how to start a fire with a single match stick by Shannon Davis. This video is really helpful especially for those who are going for trucking. If we get struck in the middle of nowhere and if we are in a situation to spend the whole night in the forest definitely this video is very helpful. Before we begin to start a fire we need to gather wooden sticks of different sizes varying from tiny tender straws to hard wooden sticks having thickness of our wrist. First we ne...

How To: Calculate percentages in your head

This video explains how to calculate percentages in your head. To calculate a percentage in your head, start by breaking the percentage off into smaller units. For example 25% is 10 + 10 + 5. 30% is 10, 10, and 10. Now you have numbers you can easily work with in your head. Find 10% of the number. This is easily done by one of two methods. You can either move the decimal point one place to the left or you can drop the last number. Dropping the last number sometimes gives you an estimate, thou...

How To: Cook a good omelette

Cooking a good omelet has one of the easiest methods. Anyone can try this one out. First you need to have ingredients such as: 2-3 eggs (depending on how many you are making), 1/4 cup finely chopped onion, 1-2 chopped green chilies, 2 tablespoons of coriander leaves (optional), 3 tablespoons of oil and some salt. For taste you can also add red chili powder depending upon your preference. In the first step, break the egg with a small knife and pour the egg in a vessel. Then, mix both the white...

How To: Clear Your Cookies and Cache in Windows XP

This video explains how to delete cookies in Windows XP, Mozilla Firefox, Internet Explorer and Opera. To delete cookies in Mozilla Firefox, choose the "tools" option from the tool bar, then choose "options", then choose "privacy". Many options will be given under the "privacy" menu, but make sure to choose the following options- "accept cookies from site" and "accept third party cookies", then choose the option "I close Firefox option" under "keep until" then choose "ok" to delete the cookie...

How To: Double down and split hands while playing blackjack

This video shows you some of the basic rules of playing casino blackjack. While playing blackjack you always want to assume that the card the dealer has that is not showing has a value of ten. In this case he displays some hands against a dealer hand that is showing a 5. Therefore, under this method you would assume that the dealer has a 15, which is a prime position for them to bust. He shows you how to double down which means that you match your previous bet when you're in a good position t...

How To: Make lemon garlic roasted chicken

Garlic adds so much flavor to just about any dish and is a wonderful addition to combine with chicken. The one pot chef uses a plastic bag in which he throws the chicken in with a tasty garlic marinade and lemon halves before cooking.

How To: Divide decimals with Mr Binkley

This video is provided by Mr. Binley. Let's learn this with an example, let's say that we want to divide 0.492 by 0.4, the most important thing remember while dividing the decimal numbers is that we need to convert the divisor into a whole number, here we need to convert 0.4 into a whole number. To do this we need to move the decimal to the right, then 0.4 becomes 4, now do the same thing to the dividend (0.492), move the decimal to the same location that we followed while moving the decimal ...

How To: Stain a concrete floor

Using acid stains on concrete floors can be cheaper and easier to maintain than laying down tile on your floor. Here, Gaye Goodman shows you how to make acid stains on your concrete floor, a nice, economical way to make beautiful floors. First, you should test on samples of your floor in order to decide which color to use and to determine how the acid stain will look. After covering the bottom of your walls with painter's tape to avoid splashing, mix about 1 cup of TSP to 4 gallons of water. ...

How To: Make sloe gin

David, for Wilderness Education, shows us how to make this drink “Sloe Gin” which is really good to be used during the winter. It sure will keep us warm. The Sloe berries which we use for this recipe need to be ripe.

How To: Create a skewed checkerboard pattern in Illustrator

Check out this simple Adobe Illustrator CS4 tutorial to learn how to create a skewed checkerboard pattern. This technique will save you the trouble of having to use the Option and Drag method multiple times. Veerle Pieters expertly takes you through this easy pattern technique. For more Adobe Illustrator tutorials, search for Illustrator on WonderHowTo.

How To: Prevent chapped lips

Are you constantly battling chapped lips? The right prevention methods can restore lip moisture in no time. Watch this Howcast guide to learn how to prevent chapped lips. Nobody wants chapped lips - lips should be soft and kissable.

How To: Knit one-row button holes

Knitting button holes doesn't need to be a pain. With the tips in this how-to video, it can be quick and easy. If the button you're using is 4 stitches wide, make a 3-stitch buttonhole (as demonstrated). For a 5-stitch-wide button, make a 4-stitch buttonhole, etc.

How To: Connect the x and y-axis motor wires for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Make the y-axis motor mount for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Install the z-axis transmission nut for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Train a dog not to pull with loose leash walking

This how-to video quickly outlines exercises to get your dog walking on a loose leash by your side. Put very basically, teach the dog what you want them to do! And secondly, stop reinforcing them when they pull! A clicker training method is used, but if you do not have one, you can always use a verbal marker like yes. However you will get much faster and reliable results by using the clicker. If you hold the clicker in the same hand as the leash, and keep the treats in the other hand, you wil...