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How is xenon used in everyday life?
It's most commonly used in photography in Xenon flash units as its a noble gas and doesn't react with other chemicals or get used up- when a high voltage is put through the gas it emits a bright white light- the charge is stored in a capacitor the quickly dumped through the tube containing the gas in a quick burst - most mobile phones now have this type of flash as well - previously it was done by a high band (high blue colour ,almost white) LED (light emitting diode) most red eye reducing cameras have both -LED for anti red eye then a Xenon flash for the picture! Of course its used in neon signs as well! - The effect is related to plasma discharge were the electrons in the voltage field are excited and release photons ( bit of light) which we see. If you have a look at the Periodic table ( the list off elemental chemical (it's in every chemistry book) it will be on the far right side with the other Nobel gases the list runs downwards and includes Argon etc.. all of these do the same thing and light up when a voltage is put through them- but they all give off a different colour- this is what gives you all the different colours in Neon signs!
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Petroleum is used in different forms to propel almost all vehicles, - cars, trucks, trains, ships and aircraft all run on some sort of petroleum. Oils, lubricants for machine…s and you skin(vasoline), some household product and even make-ups have petroleum based/by products. Asphalt/tar and some plastics.
Every day we neutralize things inside and outside of our bodies without even knowing. When we suffer acidity we take milk of magnesia. Even your body alone neutralizes, diges…tion is the best example of acid- base neutralization. However, even when an ant stings the skin and baking soda is applied on the skin for relief, neutralization takes place. Ant sting is acidic and baking soda is basic. Wasp stings on the other hand are basic and vinegar is used for relief on wasp sting, we are still neutralizing. In baking, Use of baking soda in cooking may be for the leavening effect (release of CO2) but it needs a neutralizing reaction to release the CO2. The list is endless.
We use wheels for: Transportation: Cars, Trucks, motorcycles, bicycles, buses, trains, etc.Making heavy machinery mobile: Cranes, loaders, bulldozers, backhoes, etc.Making we…apons mobile: Tanks, canons, multi-tube rocket launchers, etc.To help aircraft take to the sky and land again.Fun: Roller coasters, dodgems, etc.
One example of everyday use of a database is the telephone directory. Another is your own personal address book. You might also refer to the contents page or index of a book…, or use a dictionary to look up the meaning, pronunciation or origin of a word; these are everyday databases, as are encyclopedias. Schools keep a list - a database - of all students attending, and of students attending each individual class, as well as of all staff employed by the school; all employers keep databases of their employees.
It helps us if we don't have light .
It helps clean clothes in the washer. Friction is important in all aspects of life. Friction is a contact force caused by interactions at the molecular level. If friction wa…s not present, any object accelerated on a flat surface would continue to move in that direction infinitely, or until it met an obstruction on that surface. Similarly, without friction, locomotion (moving) would not be possible because we would have no way of establishing contact with any surface. Our feet (or anything, for that matter) would not "grip" any surface, but rather accelerate across it in the direction of the muscle movement. Situations like these do not arise because there is no such thing as a completely frictionless surface. Friction, in terms of how it is used on Earth, can be very helpful in preventing motion. For example, it is the force of friction that allows brake pads to squeeze the rotors of a car's wheel, thus converting the kinetic energy of the moving vehicle into thermal energy, slowing it down.
Length is the same as distance. How far is it to the store? How far is it to Grandma's house? How tall are you? What size of shoe should you buy? How big of a bed do y…ou want? If you are 6'2" tall, how long of a bed should you buy? What diameter of pizza should I buy? How long should I cut a board for the home repair? How long was the kickoff? How long was the fieldgoal? If my average step is about 3 feet, and it is 35 paces between telephone poles, then what is the spacing of the telephone poles?
Some very common examples of gravity around us : People walking. If there were no gravity, everyone would be flying.Using the properties of gravitation, aircrafts are made to… fly.
Symmetry is often seen everyday by people of all ages in nature. Symmetry that we see everyday in nature is most often Bilateral Symmetry. This means that the two halves of an… object are exactly mirror images of each other. Symmetry in humans the human face has a line of symmetry in some places, but some faces are more symmetrical than others. The more symmetrical your face the prettier your face will appear. A perfect example of this is supermodels and actresses. Another example of human symmetry is the kidneys, lungs, and the brain. If you draw a line or slice these organs in half, you will have a mirror image of the other. In flowers there are roughly identical petals, sepals, stamens, and leaves. While at the beach there are a wide variety of shells and underwater life with a line of symmetry, an example of this is a crab, a lobster, octopus, and starfish. Crystal G.
when someone asks you the time, you rarely respond with it is eleven twenty three and fourteen seconds, you typically say its eleven twenty five.
To seal your frig door; inside your toaster; in all the motors in your house.
It is used as an inert gas - or shield gas - for certain types of welding. It is often found as a gas inside incandescent light bulbs - instead of the vacuum that used to be u…sed. Gas lasers - like the Argon-Ion laser also use Argon - these lasers usually lase at several wavelengths, among them are the cyan one (around 488nm I think) and also a green one - though not as green as the 532nm you would get from a dpss laser (solid state pumped by 808nm IR diode, converted to 1064nm by a crystal and then finally a second crystal (KTP) doubles the frequency and halves the wavelength to 532nm sorry I went off tack a bit there - so in summary, three uses are:- Inert gas for welding Inert gas for filling incandescent bulbs instead of using a vaccum Argon-Ion lasers. There are many other uses too - eg: discharge tubes, certain types of flash arrerstors etc Regards Mark
You know the thing dentists drape around you at the dentist? GUESS WHAT? That is filled with lead. Back before people took care of the fact that lead was poisonous, pencils …had lead! Now improved pencils have graphite. A2. Lead is used in car batteries, solder, waterproof flashings for buildings, and is commonly used for stopping ionizing radiation. The only occasion a dentist drapes a lead-filled cloth round you, is when s/he is about to x-ray your teeth. It may well be that pencils NEVER contained lead. The Borrowdale graphite pit, the prime source of graphite for pencils, was originally thought to be lead and was called plumbago. The Romans certainly used thin lead as a writing material on to parchment, but our familiar wood stick with a graphite core was never made with lead. And odd fact #3, pencils are used as an ISO test for the hardness of paints and similar.
some applications are; "Separations of inks, amino acids" from a mixture , blood and urine anlysis, from a mixture
Getting weevils out of flour. Also helps aerate the flour. Removing contaminants from a process fluid.
Hydrogen is found in water, carbohydrates, fats and proteins which is contained in the food we eat.