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Elements and Compounds

~123000 answered questions
Parent Category: Chemistry
Questions about the properties and characteristics of elements as observed in nature and in compounds. Chemical formulas are also converted to and from symbols in covalent or ionic bonds. All the questions you want to ask about the elements and the compounds they form.
Yes But there are far superior products available to repair the headgasket with! i tried it on my 1992 Chevy cavalier head gasket. it was leaking on the right front side as most 2.2's of this year do. i used it twice, but didn't work for me. i usually use K & W block seaker which works, but…
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thats ur transmisson, my friends jeep does it too. try some of the stuff they carry at the auto store. if that doesnt work, its expensive to fix   My '97 Bravada had a new tranny put in after it did this... (Fortunately mine was still under warranty)   This is a known issue with GM veh…
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Any company that makes cardboard boxes uses sodium silicate to seal their boxes. Sodium silicate is a glue; however, I would check with an automotive supplier of parts. They should have the properly sealer for a head gasket. The best and only way to cure a blown head gasket is to replace it with a n…
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One symptom is a fuel miliage loss. Typically a "Check engine light" will trigger. It can be watched with a scanner to see how it's waveform looks. If it doesn't continually change and is more of a flatline curve, then it is weak or bad.
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You can try that but if your check engine light is not on it won't help. Try to get the engine hot before you take it through emissions testing. If it still doesn't pass you will have to change the catylitic convertor. I had ths same problem in a 93 Silverado with a 305. You can also try to do a tun…
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obd2 means on board diagnostics failed not o2 sensor, 1st have to figure out why obd2 failed.
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Well, I don't have a number for you. I can tell you that in Dentistry we use 3 main types of fluoride for therapeutic use. NaF also known as sodium fluoride APF also know is acidulated phosphate fluoride SnF also known as stannous fluoride Fluoride may occur in many other forms that I am not aw…
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Most coins have a date. Almost all coins are minted in the same year they are dated, but there are a few exceptions. If the date is worn off, I could give you a range of possible dates if you can give a good description of the design. BTW - the Penny is a British coin. The US uses Cents officially (…
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It might be possible, you need to check with a professional Insurance Agent to help you. It depends on the number of employees and which ones are out of state.Try going to then scroll down to the link for NAHU Agent finder
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%REPLIES%   If by chlorine pool, you mean a pool filled with fresh water that uses chlorine (or bromine) as a sanitizer, then the question really is: Is a salt water pool faster than a fresh water pool?If by "faster", you mean ability to swim fast, then the answer is the salt water pool.A swi…
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Answer Pools using salt systems have equipment that coverts sodium chloride (salt) in the water to chlorine in a small chamber on the return side of the filtration and heating equipment. The only advantage to adding additional chlorine to the pool would be to rapidly oxidize(shock)impurities like…
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Usually, the best and easiest way to determine is by looking at the prices: The higher the price, the better the pool.Stainless steel may be the best. But steel will be affected by chlorine and may rust eventually. Aliminum does not rust.Aluminum by nature is very soft, unless it is an "alloy," whic…
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It would be fine to add chlorine, but do it in each corner of the pool. You will not do any harm to the system. Make sure your pool water is balanced. This requires a good proper kit like they use at the pool shops, or have it tested at a computerized pool teting centre. The old large kit that tests…
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Answer I have found Proteam's System support product to be very effective against it. Hmmm, What are chlorine "loops"
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Answer Yes, an above ground pool sitting on the grass will eventually kill the grass. Most above ground pool manufacturers recommend that you remove the grass before filling the pool because the grass can also harm the liner over a long time. The actual chlorine in the pool water is unlikely to …
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A salt generator produces chlorine. Salt is NaCl (sodium chloride) and when it goes through the salt cell it seperates the sodium chloride thus making chlorine. So, all of the above mentioned choices chlorine tabs, salt generator, and chlorine ozone system all use chlorine as the primary sanitizer, …
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I own and operate a small pool construction/service business, in my experience corona discharge ozone units sized properly are a wonderful addition to chlorine treatment. they do NOT replace chlorine but do reduce the amount needed to maintain 1.5 ppm and help maintain a much nicer cleaner looking a…
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Sanitizing your swimming poolThe question seems to run together and be confusing. I believe what is being asked is "What is the easiest way to sanitize a pool? Chlorine, Eco Smart or a Natures 2 system. None of the above methods are difficult to use on a swimming pool. Chlorine is currently the most…
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It should not be a problem at all. A: you should not have a water softener tied into the swimming pool PERIOD. The product resulting from a water softener can be detrimental ( not good) to the pool plaster and the equipment. In fact, it may harm the salt system readings and components.
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Rectorseal is for gas. Use Megalock.
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Cohesion, Moderation of Temperature, Solvent of Life, and Insulation of Bodies of Water by Floating Ice.
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I can't remember if this is for a wart or a veruca but banana skin taped to your foot or wherever it is works when u r going to bed. put a fresh ne on every night! also bazuca is great! Apple cider vinegar or distilled vinegar. Soak a cotton ball with vinegar and place over wart. Cover the entire …
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If a substance does NOT appear in the Periodic Table, it is NOT an element, but rather a compound of other elements. Some elements have more than one name, especially radioactive ones. While the names for an element may vary in different languages, it will always have the same Symbol. (see related l…
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Try reversing the flow. Try a "plumbers helper". A bulb type of a device with a garden hose attachment on one end and a nozzle on the other. Works with water pressure. You may have to have the lines blown out with, possibly, CO2. You need someone with experience on the latter.
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%REPLIES% Answer Stainless Steel Heat Exchangers are produced and distributed by Triangle Tube Products . Answer Although stainless steel is highly resistant to corrosion, it is also more expensive and has a lower coefficient of heat (transfers less heat) than other metals. So, like mos…
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The short answer is YES. The longer answer is yes, but what are the "by-products" of sanitizing or disinfecting your pool? You may be creating more issues than you are solving. Here is an article from www.goodbyechlorine.com that I found very helpful. "There are six key components to a healthy pool…
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Works easier if you have two people. Pull out the basket and then either re-attach the lid/seal, or have someone hold it in place while you clean the basket out. Even though the water gushes out, this process will still keep enough in, so your filter wont run dry. I had to come back and give a be…
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Chlorine from tapwater remains for about 24 hours; however some cities/tows now also use chloramine, which does not come out simply by waiting, and must be removed using an appropriate dechlorinator.
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Bromine, from what I can gather, is usually used in spas, since there is less of an odor. I believe that it is possible to use bromine as a sanitiser for an indoor pool.Salt is another alternative. Basically you need a unit called a Salt Cell, which passes an electric current through the water and c…
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You have plenty of options ranging from inexpensive Test Kits and Test Strips through relatively expensive test kits. I recommend what is known as a 4-in-1 Test Kit - which includes tests for chlorine, pH, Acid demand and Total Alkalinity. Not expensive, available at any Pool Shop or harware store (…
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You need to get a test kit. I personally use test strips that you just dip in the pool and compare it to the box.
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It depends on a number of factors including how much chlorine is consumed in doing its job of oxodizing radicals in the water. If the water is very well sanitized and nobody is using the pool, there's not a lot for the chlorine to do and of course it will last longer. On the other hand, if the pool …
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Assuming here your primary sanitizer is chlorine, you need to shock a pool at least once a week, maybe more often in very warm climates. It is normally 1 lb per 10,000 gallons. The best shock or oxidizer is 78% calcium hypochlorite. You can get this at any professional pool store that sales the bran…
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Baquacil reacts with iron the same way a Chlorine pool would. Most times the water will turn either brown or green and the product to clear it up is the Baquacil Metal Control which will filter them through. It is best to check your filter during this time and hose it off if needed because the filte…
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Just long enough time to complete the job in as little time as possible.
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Answer No, you have to replace the sand in your pool filter; otherwise, it will be feeding Baquacil back into the pool all year giving you water problems. Besides which, Baquacil gums up the sand. So, you should replace your sand every year with Baquacil anyways.
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Baquacil and chlorine are not compatible, pool must be emptied. Sand on your filter changed or cartridge replaced.
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To get rid of mustard algae in a Chlorine pool, shock is not the only componet to eliminate it. A copper-based algaecide must be used. To get rid of mustard algae in a Baquacil pool, the best route to go would be Flocculant and then chemically cleaning the filter where it traps itself.   If y…
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ask pool dealer about chemical additive made by baquacil that eats the chlorine-i cant remember what its called; however, i know they have it because Ive used it. Initially, I had to use it to start up my pool when I first got it. Then, I thought chlorine may be cheaper-had SOOO MANY problems it was…
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Because bleach is only 5% sodium hyptochlorite, while the chlorine you buy at the pool store is about 96%.   well household bleach is 3 to 6% sodium hypochlorite, The pool stuff is 10.5 to 13% sodium hypochlorite so you would need to use much more. When shocking you need to raise your current…
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I don't have an answer on this one yet. You never should have used that product in your pool. That is for sewer lines. It may dissipate over time or at least be diluted some with rain and refill water. k sorry to have to say this, but i think the best way to get rid of it is to dump it and refil…
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Typically, no.If you have alage and are using an algaecide to help clear the water, then the chlorine is also being used up killing alage and the decaying dead algae cells in the water.If you don't have algae and are using an alagecide as a preventative measure, then the algaecide will slowly breakd…
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Hi, I'm having the exact same problem. In fact, mine got so bad that we had to drain the pool. Anyhow, still waiting for an answer to your question for my own use, but i can tell you what will NOT work!! (beware! they were recommended from people on the net) A clarifying treatment (usually a blue b…
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If there is dirt on the bottom of the pool, it is best to vacuum it out. Organic debris (such as leaves) can cause staining. Brushing the sides and bottom is also important. Algae loves to hide in crevices and brushing strips away its protective slime coating so that the chlorine can kill it.
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I would like to convert to chlorine. Can you post the instuctions here?Wait for what? As soon as you have made your mind up to change, just do it. The baquacil won't go away on its own. Nor will the slime and gunk it leaves in your filter. For instructions as to how to convert from baqucil to chlori…
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Use the pool. Throw the kids and the dog into the pool, that'll use up plenty of chlorine. If the chlorine level is too high (over 10ppm or so) there is a chemical you can buy at yoiur local pool store to reduce it (I forget the name of it) but if you can, just wait, use the pool as much as you can,…
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%DETAILS% Answer Combined chlorine is when the chlorine molecule has attached itself to other molecules in water. In other words it has "combined" with something else in the water. Those could be iron, manganese, ammonia or other things depending on the source water. Free chlorine is the molecules t…
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How much chlor added? Add at least a gallon of chlor. less if vinyl pool. Test in 20 min. and adjust as needed. Ph and alk = fine. Hmm, what are your readings? How old are test strips? Have they been left in the sun or outside? = no good then get new ones. k
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There is a component of some brands of chlorine that can cause a black coating to come over the bottom of fiberglass pools. To remove it I recommend several bottles (3-5) of Regal Stain Remover (or any comprable brand). Let the stain remover set for an hour before scrubbing the black off. If this do…
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To get rid of algae in a Baquacil pool, the best thing to use is the Performance Algaecide. The algae will actually get worse if converting because you have to wait until the Baqua reading is at zero before converting which could take at least several days because the Oxidizer is designed to last fo…
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In order to answer your question, you need to know whether there is too much or too little chlorine in the water. 99% of the time when eyes are irritated there is TOO LITTLE chlorine which results in the presence of chloramines (or combined chlorines) which are the cause of chlorine odors, eye and s…
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the algae questionI have been wondering about the type of algaecides to use in a salt pool. In regular chlorine pools with algae, I use yellowtrine if the algae is mustard, or green, but in a salt pool I believe sodium bromide can change chlorine that is salt generated into bromine. I have no idea h…
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Answer Keep you Chlorine levels in you pool between 4-5 (using DPD test kit). Keep PH levels as low as possible. Make sure pool is brushed twice a week and filter is running all the time. You should be fine. To get to the heart of the original question: The swimwear that you use to swim in the p…
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According to the "pool man" the best way to get rid of them is to net them out and squash them. If you do not step on them they will find their way back to the water. Make sure all organic materials (i.e. poolside plants and debris do not make contact with your water as this is where they breed (...…
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%DETAILS% Answer normally when there is no reading for chlorine means that you need it, put 1 gallon of liquid shock in your pool. that will raise the chlorine level, cheryl
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We got the large floater and use 3 tabs until it is where we want it and then adjust the holes down until it 'maintains'. Wish we found all this out at the beginning of the season! Our pool is a 16' x 48" round metal frame. You have to place a chlorine floater in the pool and adjust it to accommoda…
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Whatever type of chlorine you use (liquid, tablets, granular) you must add sufficient, on a regular basis, to maintain a residual of 'free-and-available' chlorine in the water at all times. You measure this with a normal pool test kit. You only need to shock the pool if there are 'combined-chlorine'…
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3 months...its not worth it!It should take only 2 or 3 days to treat chemically. Or you can dump the pool and refill, making sure to rid the filter of all baquacil mess as well (change cartridge, or change sand etc). e-mail me and I can send instructions re how to convert off baquacil.
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Baquacil makes a product called Chlorine Neurtalizer that can be used to remove the Chlorine, it may take several days for the green to filter through.
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You can add salt to a chlorine pool, but you will not get the same effect as having a saline purification system. The fabulous feeling of the water in a salt water pool is a result of how the saline system produces and introduces the sanitizer to the water.Extra information. Adding ordinary salt to …
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Answer I assume it is an outdoor pool and that you are adding sufficient chlorine. Two reasons why it won't hold chlorine. . . 1. No, or insufficient, conditioner. Sunlight will destroy the chlorine if conditioner is not within 50-80ppm. 2. Phosphates and/or nitrates in the water. Get these check…
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I have the same problem with my 2000 gal. in-ground spa. Each week I have to add muriatic acid to reduce the PH. Since my spa is small, in relation to a pool, I usually only have to add about 1/4 - 1/2 cup of acid to bring the PH down to the perfect range.
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Liq. chlor. has a max. shelf life of about 2 weeks. 12.5% may be reduced to 5 to 8%. 5% may be reduced to 1 to 2% or less. k
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Yes. Definitley. I can provide the necessary equipment at a discounted price. I can explain how simple the conversion is, if you contact me (ross@salinepoolsystems.com)
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yes, it is perfectly ok to put tabs in skimmer basket. +++ NO: it is NOT OK - unless the manufacturers of the particular skimmers, pumps and filters on your pool advise it is permissible. Buy either a proper in-line tablet feeder (it goes in the return pipe downstream from the filter) or floating b…
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I'd say that this means the chlorine level is far too high, based on recent experience. I diluted my pool water by letting 1/4 out and refilling it. The test sample still shows red but the sun is now burning off the chlorine and it seems to be reducing.
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Yes you will use less chemical and loose less heatTo finish the statement above: . . . . . and lose less heat . . along with possibly loosing the copper heat exchanger inside the heater. The tabs in the "capture well" or skimmer: Tabs are highly acidic. While the filter/pump is running at night or d…
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softer water, easier on your eyes and swimsuits due to the fact that pure chlorine is being made without any acid or inert ingredients. it produces a perfect pH right from the unit. never have to buy chlorine or shock again! i recomment the autopilot system.
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This used to be a very tough problem. Fortunately now made easier with a new chemical breakthrough. Spray Power Blue Scale Off directly onto the scaled over tile. Brush with a non-metallic pad type brush (like a scotch brite scrubby pad) what is begin to fizz, brush and spray till scale is all gone,…
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Most often swimsuit damage (like hair and skin damage) is caused by improperly chlorinated pool water. If there is too little chlorine in the water you get chloramines (or combined- chlorines) forming - and these are the things which have a strong chlorine odor and are the casue of pretty much every…
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You would be FAR better off switching to 'chlorine'. Then, better off still by going to 'salt', rather than munual chlorination. The saline system eliminates all of the obnoxious effects of pool-chlorine (odors, skin irritations, damaged hair and bathing suits etc) while still producing chlorine, th…
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Swimming pool rust stain removal. Regular pool acid will work. Take a length of PVC pipe and point and touch the stain. You will probably need it 8 feet long depending on how far down the floor the stain is located. Carefully pour 2 cups of muriatic acid down the pipe and wait a minute for the acid …
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No, bromine is not the same as baquacil. Bromine is a chlorine alternative, probably more expensive, effective as a sanitizer. Can result in odors as with chlorine and there are arguements about its safety, health wise.No, Baquacil is Hydrogen Peroxide.
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I assume by 'floaters' you mean chlorine tablet floaters, and not the floaters the kids produce. either way, I agree they are worrisome. A Saline (salt water0 system will solve your problem. Without doubt the safest and best way to purify pools with kids in. The sanitizer (or chlorine) is produced n…
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No. Actually it is more common to acquire algae in a Chlorine pool. The Baquacil Performance Algaecide is the strongest algaecide they make and very effective against killing algae. Maintaining the Oxidizer and Sanitizer readings do a great job of preventing algae where with a CL pool, in hot temps …
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Efficiently Melting Ice Sounds like a great question to be answered with an experiment. Take equal amounts of ice in identical containers at the same temperature, sprinkle each set of ice cubes with equal amounts of the different substances, also at the same temperature, then observe which cont…
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Density is a unit of measurement defined by how much matter takes up a certain amount of volume or space, therefore, when salt is added to water the following occurs: A) The volume or space that the water takes up has very slightly increased but B) The mass of the water has very greatly increased …
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Answer Organisms in streams need oxygen to live when lacking dissolved oxygen it will kill these organisms. edit: unless the organisms in the stream are photosynthetic, in which case they will increase the oxygen levels. however, by far, most organisms in a stream are not photosynthetic and oxyg…
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Ordinarily stain molecules are removed in one (or a combination) of these 3 ways: 1. Dissolved and carried away in a water/detergent mixture. 2. Cut into smaller fragments by the stain remover and then carried away. 3. Strongly bonded stain molecules may require a non-aqueous (non water based) stron…
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In addition to water, for which the solid form (ice) is less dense than the liquid form, the element Gallium is also less dense in the liquid state. Gallium can be solid at room temperature but will melt in the hand. Less Dense in Solid Form confirmed as solid less dense than liquid:gallium - 5.91 (…
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Rust- Mechanics Rust is the common name for a very common compound, iron oxide. Iron oxide, the chemical Fe2O3, is common because iron combines very readily with oxygen. This open-air oxidization of iron is called rust; it is because of this pure iron is rarely seen in nature. Iron or steel rusti…
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CARBON CYCLE:- Carbon is found in various form on the earth. It occurs in the elemental form as diamond and graphite. In the combined state, it is found as carbon di oxide in the atmosphere; as carbonate and hydrogen-carbonate salts in various mineral, while all life forms are based on carbon conta…
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Answer You would need a chlorine generator such as Auto Pilot. Many companies make them. After you install the chlorine generator, you add your salt to the pool.
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The quantity of chlorine released by a bleaching powder when treated with acid.
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Saltwater pool versus chlorine poolMy family is in the process of having an inground pool installed. As a matter of fact it was finally filled with water today. I will try and answer your question to the best of my ability. We went with a salt water pool because it is more stable than chlorine. It w…
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wow slow down there!!! adding to much stabelized chlorine over time will add too much cyanuric acid aka stabelizer or (CYA).So this means your pool water is out of balance a lot. red burning eyes,itchy skin are the first signs of improper balance. The only way to reduce cya is to drain out water and…
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Being Bonded A bond is a amount of money, put up by a bonding company, that gurantees that you are of good character and not a criminal. The bonding company will do a VERY deep background check on you, to establish that you are worthy of being "Bonded". In practical terms, an employer who may want t…
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I have found my salt pool much cheaper than chlorine. If you also factor in the labor with a chlorine pool then you really see a difference.Combine the salt generator with an automatic pool cleaner and the pool is almost maintenence free. Last year I only added a little stabalizer to the pool. that'…
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Combustion is an exothermic reaction, generally categorized by the release of energy through heat or light.A combustion reaction must occur between oxygen and a fuel. The products vary from incomplete to complete combustion. Incomplete combustion occurs under the lack of oxygen, which complete combu…
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A chemical substance is some form of liquid or solid (or gas!) made out of chemicals or elements.
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The air filter for the engine is located just rear of the battery under the hood (on the right side of the engine compartment). Loosen the two phillps screws on the rear of the plastic filter box cover and pull up on the back. Bias the cover to the rear to disengage the front retainers. Remove the o…
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Answer Follow the instructions on the algaecide container. Different algaecides require different times.
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Answer Baquacil is completely imcompatible with Chlorine and usually the water will instantly turn green, you can use the Baquacil Chlorine Neutralizer to help disepate the CL out.
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Answer only if you have installed a pressure release valve as part of your main drain assembly. this ensures that pressure from underground water does not build up. this means your pool will not be pushed out or up by ground water. you may have to deal with underground water finding its way into …
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Answer When I had a severe form of tonsilitis and an accompanying ear infection, which caused the bursting of my ear drum, my mother poured hydrogen peroxide in my ear. My hearing is normal now, it never hurt, it just fizzed and sounded funny. I believe it is perfectly safe. I wouldn't use alchoh…
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Answer Of the two I would recommend the Polaris system. Don't go for gadgets and feature, go for a simple reliable unit. Polaris will use more dependable, attainable parts. Up to a short time ago I would have agreed with you completely. However I installed a new maganblu salt water system for my…
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Sodium Hydroxide and Pepsin Pepsinogen is an inactive form of the enzyme pepsin. Pepsin is a protease, meaning a hydrolytic enzyme, one that breaks down its substrate. In the stomach, pepsin breaks down proteins to smaller polypeptides and amino acids. The environment in the stomach is very acidic…
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