Sugar (a carbohydrate) is dehydrated with concentrated sulfuric acid. Since a carbohydrate was once considered just hydrated carbon, if you remove the water, carbon would be left over. The acid rips the water out of the sugar and the heat generated by this reaction causes the water to turn to steam. A black mass of carbon is produced.
This experiment is intended to introduce students to hydrated compounds. These compounds have water molecules coordinated in their chemical structures. Examples CuSO4*5H2O, BaCl2*2H2O, and NaC2H3O2*3H2O.
"Preparing Pomegranates" Video Food Tip of the WeekPreparing pomegranates can be a pain. All those arils (that's the delicious, juicy part that covers the seed) squirt on your clothes while the papery white pith sticks to your fingers -- and everything else. Save yourself some hassle by prying open pomegranates over a bowl of water. The heavy arils will sink to the bottom while the pith and the spongy skin of the fruit will float -- making it easy to skim them off the surface.
Removing the garlic smell from your hands can be a very difficult thing to do. Sometimes you just can't stand the smell. Maybe you have a date and don't want to stink, but just can't get that smell out of your skin. There is a way to neutralize the odor so that you can get on with your life. After you get done cooking with either garlic or onions or any other stinky food, run your hands under some warm water. Then get some coffee grounds and mash them up and get them wet. Once the grounds are...
Is your face shriveling up from the dry winter air? Do your hands feel all scaly and gross? Are the heels of your feet shedding skin flakes? If moving to Hawaii for the winter season is out of the question, you can relieve your dry winter skin with some quick and cheap DIY home remedies.
Catch, gut, and cook your own food? It sounds slightly caveman-ish, but deriving your food straight from nature ensures you always know what you're eating (a luxury you don't get at the grocery store) and that you're eating healthy.
Nancy Dell is telling us what fats are bad for us. Fats that raise cholesterol. There are two categories of that kind of fats which are bad for us one is saturated fats. Saturated fats are those fats which are extracted from animal like milk, cheese, butter, any cream, yogurt, meat etc. So you have to choose low fat milk to get protein, calcium from the milk.
Anyone who has flown across multiple timezones is familiar with the negative effects of jet lag, especially when traveling for business on a tight schedule. This video features four easy tips for avoiding the effects of jet lag. These include hydrating properly, going outside, exercising, and forcing yourself into the rhythm of whatever place you are in rather than napping in order to remain on your normal schedule.
Dark under eye circles: One of the most common beauty complaints by women. Learn how to get rid of those cruel dark circles with help from professional makeup artist, Joanna Schlip. By staying hydrated, treating allergies, and applying a cream concealer that is two shades lighter than your face foundation, your under eye circles are sure to slowly fade. Get more free advice from an expert inside this video!
Check out this explanation of a paint making process using prickly pear cactus juice and type-s lime. Umber oxide is hydrated and added for earthen color. Paint is applied to the ferrocement/papercrete battery room dome.
Many of the beauty products you buy at drug and department stores are loaded with potentially toxic ingredients like parabens, while their active ingredients are made of things like glycolic, lactic, malic, and alpha hydroxy acids and retinoids, which are all derived from foods.
This video teaches you how to prevent bad skin. The demonstrators in the video are two doctors who begin by giving you some quick facts about your skin. They tell you how to perform a test on your skin to see how aged it is. To perform the test you apply scotch tape to various places on your face. When you remove the tape, it will tell you how aged your skin is based on what comes off on the tape. They continue to provide examples of how your skin can be damaged and how moisturizers work. The...
You can blame your naggy mom, a crappy soap bar, and school or work stress for your acne. But ultimately, you should blame yourself. While it's true that your skin type (oily vs. dry vs. sensitive) and how your skin reacts to stress play a big part in blemishes, there is a nurture component to this argument.
Running out of any shower necessity is just a temporary annoyance, but it always seems worse when it's an empty can of shaving cream or gel. Sure, you could dry shave or use whatever liquid toiletry item is in hands reach, but if you want a truly smooth shave without irritation, you'll want to try one of the following alternatives. Some of them might even work better than your can of Barbasol or Skintimate.
Certain foods like garlic, onions, and shallots are food staples for a reason—they're unbelievably flavorful and cost very little. However, with their papery thin skins, they're also a pain to peel.
Bhavna shows us how to store ginger, garlic and green chili paste. The demonstration is done with ginger. Cut the ginger into small pieces. Skin can be left on or if you prefer you can remove the skin. Put the pieces of ginger into the food processor and blend. After the ginger has blended, remove and put into a bowl. Add lots of salt for freezing. Fold the salt into the ginger. Place into plastic containers for freezing. The same process is done for garlic and green chilies. When you are rea...
In this Food video tutorial you will learn how to make Indian-style chicken stock. Harpal Singh Sokhi presents this video. To make good soup or gravy, the stock is the main part. Take the chicken bones; boil them with hot water and drain. Then refresh them with cold water, that is, just put them in cold water. Then slice half a carrot with the skin, cut one onion with the skin into quarters, celery stem, leaks or spring onion, two bay leaves, pepper corn, 3-4 crushed garlic pods and add all t...
This video shows the method to quickly prepare butternut squash. Butternut squash has a tough skin which makes it difficult to peel. This has more difficulty while negotiating the curved part. First, the neck is cut off and divided into sections. After this, the skin is cut out with a knife. The sections are cut into smaller pieces and put into a food processor to further minimize the size. This is done so that it cooks in no time. Then, put the pieces into the sauce pan. Two cups of water an...
While there's an art to surviving the all-nighter, there's also an art to staying awake throughout the day when you're operating on little to no sleep. In 1964, the record for sleep deprivation was set by 17-year-old Randy Gardner, who stayed awake for an incredible 264 hours and 12 minutes. Now while we're not out to challenge Randy for his title, we can certainly look to him for inspiration in beating back our own fatigue.
In this video, we learn how to get rid of acne by eliminating fruit. If you notice your skin breaking out and you have a lot of fruit, try cutting it out of your diet to see if that is what is causing your breakouts. Eliminate different foods from your diet to see what is not agreeing with your body. Also, try cutting out all the sugar in your diet, because this could be causing breakouts to occur on your breakouts on your face as well. This could also be caused by allergic reactions with med...
This video shows you how to prepare fun and tasty food for football games: a Super Bowl Party or tailgating.
How do I get rid of these zits?! Whether its pimples, blackheads, or whiteheads, the name is the same, and the name is acne.
Potato peels are largely misunderstood creatures. They're shucked away from every mashed potato dish like some icky rag that has no business in your kitchen. PS: Quit it. By ditching the peels, you're not only missing out on fiber and large amounts of potassium (even more than a banana), you're tossing the potential for chewy, crunchy finger food. So the next time you're left with a plate of scraps, here are four tasty reasons to hold onto them.
The day before a 5K race can be an exercise in stress as you wonder what to eat and drink and when to do it, as well as about the race the next day. This video should help alleviate the first concern by giving you tips on what to eat and drink in the 24 hours leading up to a 5K to ensure that you are as well-nourished and hydrated as possible for your race.
Check out this short video tutorial from Rouxbe on how to peel tomatoes. This video will support your cooking experience and will provide you with additional relevant information during your culinary time peeling skin off tomatoes.
Turn your kitchen into a science lab with this egg-tastic science experiment, which turns a shelled raw egg into a bouncing translucent ball. It's one of the simplest tricks of all time, and all you need is a raw shelled egg and some vinegar.
Earlier we've looked at starting off in Survival mode, plus simple combat. Now we look at a more refreshing aspect of Minecraft: Food!
If you try to eat a pomegranate fresh off the shelf, it's probably going to be a messy and difficult situation. This video shows you how to extract the seeds from the pomegranate, giving you options on how to eat them.
Are you or your child suffering from itchy or irritated skin? Use this simple remedy for skin comfort and anti-inflammation. Watch this video to learn how to prepare an oatmeal bath.
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.
As you get older, your skin fluctuates along with hormonal changes. Whether you start incurring dryness, sun spots, or flaking, the way you do your makeup has to coordinate with your mature skin.
Learn how to style a fro-hawk with Petrilude. Petrilude (aka Josh) is a guy that does makeup. You may think taking makeup tips from a guy is strange, but Petrilude is a talented makeup artist. If you are looking for party makeup looks, great for going out to the club, check out Petrilude's makeup tutorials. Search Petrilude on WonderHowTo for more amazing beauty looks: party makeup, club makeup, drag queen makeup, halloween makeup, goth makeup, costume makeup, and more.
Knives are among the most important utensils in any kitchen; it's hard to even conceive of cooking a decent meal without them. However, many different foods can be prepped without a knife, and some are actually better off without one. If you don't believe me, then check out these 10 creative methods for chopping, peeling, mincing, and slicing knifeless.
Ouch! Is your baby's bottom red and sore? Say goodbye to diaper rash with these tried-and-true remedies.
Most people know atopic dermatitis by its common name, eczema—that dry, flaky skin that itches incessantly. Along with the scratching comes frequent skin infections, often with Staphylococcus aureus.
If there's one thing that gets used far too frequently in the modern kitchen, it's the trash can. Home cooks everywhere waste enormous amounts of food by throwing it away before it's actually ready to be tossed.
Minor mishaps occur all the time in the kitchen, whether you cut your finger while dicing an onion, scorched your hand in a grease fire, or burned the roof of your mouth because you were to eager to taste-test your killer pasta sauce.
This is a great instructional video on how to cleanse your skin. It is true that cleansing the skin is a very simple process and it is centered around finding the most appropriate cleanser for a specific skin type. you can learn about cleansing dry skin, normal skin or oily skin with help from a professional skin care specialist. This video teaches the mom to cleanse the skin. If you have a dry hair you can use moisturizers for cleansing your skin. If you have oily skin you can't use moisturi...
Running on a track might be a little repetitive, but it’s also easy, even and a simple way to measure your pace.
Michelle Phan demonstrates how to create an egg mask facial. Egg white and yolk mask. Perfect for oily skin. It helps brighten and tighten the skin. The reason why the egg yolks are so good and rich for your skin is because they are loaded with Vitamin A! Protein and nutrients!
