![]() ![]() Using this medicine with any of the following medicines is not recommended. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Drug InteractionsĪlthough certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. An alternative to this medication should be prescribed or you should stop breastfeeding while using this medicine. Studies in women breastfeeding have demonstrated harmful infant effects. However, elderly patients who may be more sensitive than younger adults to the effects of ibuprofen and oxycodone combination, are more likely to have kidney, lung, or stomach problems, which may require caution in patients receiving oxycodone and ibuprofen combination. GeriatricĪppropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of oxycodone and ibuprofen combination in the elderly. Safety and efficacy have not been established. For non-prescription products, read the label or package ingredients carefully.Īppropriate studies have not been performed on the relationship of age to the effects of ibuprofen and oxycodone combination in children younger than 14 years of age. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. For this medicine, the following should be considered: Allergies This is a decision you and your doctor will make. In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This product is available in the following dosage forms: This medicine is available only with your doctor's prescription. Since ibuprofen and oxycodone combination is only used for short-term (7 days or less) relief of pain, physical dependence probably will not occur. Physical dependence may lead to withdrawal side effects when you stop taking the medicine. If oxycodone is used for a long time, it may become habit-forming (causing mental or physical dependence). Oxycodone is a narcotic analgesic that acts in the central nervous system to relieve pain. ![]() Ibuprofen is a nonsteroidal antiinflammatory drug (NSAID) that is used to relieve inflammation, swelling, and pain. ![]()
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![]() Catboy joins Owlette and Gekko just as they stop Robette and informs them about what he did. Howler incidentally throws the pie on the Wolf Wheelz’s windshield, and Rip and Kevin slip. He soon notices a slime pie.Īs Howler starts to throw the slime pie at him, Catboy Super Cat Speeds to take Romeo out of the trash can, place a banana peel on Rip and Kevin’s pathway and turn them around, and make Howler dizzy. Before getting the prank box, deciding to play a little prank on the Wolfies, he tries to figure out how to squirt them with the flowers, but jumps off his PJ Rover when they squirt him and lands in a garbage bin. Before the Wolfies can squirt Romeo taking cover in a trash can again, Catboy grabs the bouquet while Owlette and Gekko go after Robette. The spray hits Robette, causing her to malfunction. As he begins to retrieve it, he moves out of the way when they squirt him. The Wolfies approach Romeo fixing Robette so she can help him take over the world and offer him a flower bouquet for the world’s number one scientist with great hair. He reluctantly agrees, and the team drives off to find the Wolfies before they can prank someone else. They protest as they believe it could make the situation worse and remind him how much he didn’t like to get pranked. ![]() He suggests pulling a prank on the Wolfies that will embarrass them so much that they’ll stop pranking others. They drive off afterwards.Īfter Owlette and Gekko save Luna Girl in the park, who responds that she was fine and didn’t need help, Catboy informs them that he got pranked again. The Wolfies notice him, however, and throw down a banana peel on his path, making him slip into a trash can. While Owlette and Gekko go after Luna Girl, Catboy attempts to grab the prank box. The PJ Masks, who have tracked the group down in the PJ Seeker, arrive. She grabs the can and opens it, and a fake snake pops out, scaring her off her Luna Board and causing her to roll around on her Moon-Ball. The Wolfies next find Luna Girl playing with her Moon-Ball by the canals and pretend that they have cherry berries and refuse to share them. Initially thinking that it was a reward from someone for being an awesome hero, he angrily chases them for fooling him, but they get away. They prank Armadylan by placing a rubber duck on a chair and setting up some fruit juice to bait him in sitting down. That night, on the PJ Picture Player, they come into view with the Wolf Wheelz, which is dubbed as the Prank Wheelz for tonight because of their prank box. The cause is a spring placed inside by the Wolfies, indicated by a paw print. Just as Connor opens his lunch box, his sandwich pops out and lands on his head. The episode begins with the class having lunch.
![]() ![]() The semantics of this relationship is: “an item on table A has linked to it many items of table B”. ![]() An error will be raised if the user persists in the creation of a relationship with this cardinality. This cardinality combination is not implemented because requires merging the involved tables which may break the user's modeling.An unique constraint is created using the same columns of the foreign key in order to represent the uniqueness of the entity which the cardinality is (1,1).Ĭardinality: tableA(1,1) -◇- tableB(1,1).The policy for DELETE event on the foreign key is RESTRICT. ![]() The columns which compose the foreign key don't accept null values.Columns, attributes and constraints are always added to the table which cardinality is (0,1) (in the sample image is the tableB).This constraint is added to tableB.Ĭardinalities: tableA(1,1) -◇- tableB(0,1) and tableA(0,1) -◇- tableB(1,1) An unique constraint is created using the same columns of the foreign key in order to represent the uniqueness of the entity tableA.The policy for UPDATE event on the foreign key is CASCADE.The policy for DELETE event on the foreign key is SET NULL.The columns which compose the foreign key accept null values.Columns, attributes and constraints are always added to the destination table (last selected one – tableB in the picture above) in order to represent the relationship. ![]() The column propagation is available for this kind of relationship and depends on the cardinality combination used as seen below: In order to ensure this uniqueness a unique constraint is created and assigned to the foreign key columns in tableB. The restriction here is that two different items tableB can't reference the same item on tableA. In practice, foreign key columns in tableB are filled with the values of primary key columns of tableA. The semantics of this relationship is: “an item in table A has linked to it one item of table B”. In the next subsections all relationship types will be detailed. In newer versions of the tool the crow's foot is the default notation. In pgModeler relationships can be represented in two different notations: _ classical entity-relationship notation_ and _ crow's foot notation_ (see the image below). The cardinality affects directly all the objects generated by the relationship. The attributes are converted into columns when the relationship is validated and connected to the tables.įinally, tables can have an optional or mandatory participation in the relationship known as cardinality. Relationships can have their own attributes and constraints where these latter are obligated to be associated to the former ones. There are two special relationships that are created automatically in certain cases and cannot have some of their attributes handled directly by the user: foreign key generated relationships (in short, fk relationships) and relationships between tables and views which are used only to denote the dependency of the view to the linked table. Normally these objects cannot be modified directly and in some cases pgModeler will raise errors if the user try any operation like delete or modification on them. Columns propagated by the relationships are automatically named and graphically represented in different format (by default they are the ones with a green text color and italic font style). In order to provide easiness and flexibility when linking tables pgModeler implements nine different relationship types each one with its proper semantics, being them: one-to-one ( 1:1), one-to-many ( 1:n), many-to-many ( n:n), self relationship, generalization or inheritance, copy, foreign key generated relationship, dependency, identifier and partitioning.įor some kind of relationships ( 1:1, 1:n, n:n) there is a mechanism called column propagation which automatically creates columns and constraints in one of the involved tables. Relationships are the entities used to represent the link between two tables or between a table and a view. ![]() ![]() ![]() * If you we are not satisfied with us ,please contact me and don't give us negative or natural feedback,We must give you a satisfactory solution. * if you send email to us,In our working hours will be resumed within 24 hours. International Buyers Please Note: * Please check with your country customs office to determine what these additional costs will be prior to bidding/buying * We will carefully test every item before shipment.The quality is guaranteed! - Our working time: * Hong Kong time : Monday to Saturday 8:30 am to 5:30 pm. * If you have changed your address, or want us to ship to another address, please change to the new address. Thanks for your bid * We will arrange shipping for you within 24 Hours after payment cleared except the holidays. Package included: 1*Panties * Please make payment asap, then we can arrange shipment for you asap. ![]() Buy Innerwear, Outerwear, Thermals, Socks and Towel Online from Jockey. suitable for all women who want to maintain their figure, such as office ladies, postpartum moms. 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To find the best underwear to buy, GH Institute analysts surveyed other editors to learn about favorite brands, tried out a variety of pairs firsthand and put them to the test in the Lab.Item: 235035163213 3D Underwear Fashion Cotton High Waist Panties Seamless Butt Lift. The team evaluates things like washability, stretch recovery, fit, comfort and more to find the ones that will feel great and actually last. The fiber scientists in the Good Housekeeping Institute Textiles Lab are constantly testing undergarments like bras, pantyhose and shapewear (we even test swimwear) both in the Lab and by sending styles to consumers for real-world testing. And, most importantly, it needs to use hygienic materials. You need to find something that feels comfortable, stays in place, isn't visible under clothes and won't break the bank. There are so many different styles and fabrics to choose from that underwear shopping can feel daunting. This T-back panty with fine lockrand is comfortable to wear, and fabric printed with leopard print is sexy. ![]() While you may focus most of your energy on finding the perfect dress or pants, the right underwear can make or break an outfit. The T-back panty adopts crotch 100 soft cotton and soft like silk feel fabric with low-waisted design and exquisite craft, which make the panty no long boring and give you a feeling of elegant. Whether you’re looking for pretty lingerie or just a good pair of cotton briefs, we’ve got you covered. GH Institute pros added a comprehensive shopping guide as well as new picks from SKIMS, Aerie, Parade and more. Shop for Seamless Panties Women Womens Flirty Sexy Funny 3D Cat Printed Animal Middle Waist Tail Vs Pink Underwear online at an affordable price in Ubuy. Boy shorts and hot pants come in a range of materials and colors to suit your aesthetic, while keeping your comfort level high. Finetoo Underwears Women’s Seamless Panties XS-XL 6 Pack, Female + Now 16. Tags CATWOMAN THE BATMAN 2022 ZOE KRAVITZ SELINA KYLE. Joyspun Womens Lace Waist Bikini Panties, 6-Pack, Sizes S to 2XL. Tags Catwoman Mask 3D model 3D printable. Tags Catwoman Statue - DC Collectibles 3D model 3D pri. We updated this guide in December 2022 to ensure all products tested and vetted by the Good Housekeeping Institute Textiles Lab were in stock and reflected current prices. Just click on the icons, download the file (s) and print them on your 3D printer. ![]() ![]() If you are running a business, for example, or if children are often in the building, you will want to avoid those harmful substances. Firstly, depending on the use of your building, it may not be suitable for the use of potentially toxic chemicals. ![]() ![]() These are not as advantageous a method for several reasons. However, the air does not flow as easily as it would with an open entranceway – which means that noise and odour pollution won’t spread as much! Avoiding use of chemicals One of the other options which you may potentially consider for pest control is the use of chemicals, such as pesticides. You also get more air movement because of the flexible nature of the PVC. This is because the material is transparent, allowing light to shine right through the PVC strips and into the interior of your space. The door also allows for light and air to enter into a space more easily. This means that insects are kept out, while passage through the entranceway is not at all restricted. It is light enough for humans to pass easily through the strips of PVC curtains, which fall back into place immediately. A PVC door, however, has a very different property. This would allow pests to enter the building at their will. In this case, a solid door would simply be left open almost all of the time. A solid door is not always a viable option – for example, in areas where people must pass inside and outside very often. Ventilation with pest control Click here to get an instant online PVC curtains quote The main advantage of using a PVC curtain as your insect screen is that it allows the best possible ventilation for any door to the outside. Nothing, however, is both as effective and as safe as PVC screens. If you’re looking to keep out flies and other insects, there are a number of solutions that might present themselves. Unfortunately, this also means that they spend a lot of time trying to get into places where we don’t want them to go. Only unopened enclosure boxes can be returned at our discretion.Pest control becomes a real concern in the summer, as the warmer weather brings out all manner of flies and insects who are looking for food. If you add a lot of weight to your Reptile Habitats bearded dragon enclosure, make sure you support the bottom when moving it. A small washer can be added to the screws to make them more secure. They will be standard hardware that can be used for cabinets in general. Replacement screws for the door handles are easily found at any hardware store. You can spray the substrate but do not dump water directly into it. You will need to use silicone to seal the bottom. You can make the structure of a PVC panel terrarium more secure by using a clear/black aquarium-safe silicone along the base and bottom 1-2” to make it more solid and able to hold substrate. If dust persists it may still have the plastic protective layer. Use a microfiber towel to remove any dusty appearance.
![]() ![]() The Mission: Impossible star and the Waka Waka hitmaker sparked romance rumours after they were captured together at the Formula 1 Grand Prix in Miami earlier this month. MIAMI (News Dewsk): Shakira has told Tom Cruise she has no interest in dating him but he believes she is the right match for him. ![]() Shakira ‘politely’ tells Tom Cruise she is not ‘attracted’ to him despite his pleas This is Anderson filtered through the lens of David Lynch minus the horror, or Charlie Kaufman with better tailoring.” “There are subtle departures, though: fantastical encounters (I’ll say no more) and an air of confounding surreality that feels new. “It looks ravishing, as usual: blue Cadillacs against orange desert, swivelling satellite dishes, mushroom clouds from nuclear tests rising silently on the horizon,” he wrote. The Guardian’s Peter Bradshaw awarded the film four stars, describing it as an “exhilarating triumph of pure style” which “leans nicely into its own artificiality, and every delicious, microscopic detail is a delight”. Anderson is best-known for directing films such as The Grand Budapest Hotel and Moonrise Kingdom. Johansson plays a 1950s movie icon - think Bette Davis - in the story set in a fictional American desert town, where a group of child geniuses are gathered for a science competition that is interrupted by an alien visitor which leaves them locked up in quarantine. The film also features Jeffrey Wright, Edward Norton, Adrien Brody and Steve Carell, who stepped in for Anderson-favourite Bill Murray after he caught Covid days before they started filming. Asteroid City sees Johansson lead an ensemble cast of Hollywood royalty, including Hanks and Margot Robbie - both newcomers to Anderson’s celluloid world - Jason Schwartzman and Tilda Swinton. Black Widow star Johansson, meanwhile, was there with her husband - Saturday Night Live comedian Colin Jost. Writing on Instagram later, Wilson defended Hanks after fans questioned whether he had become angry on the red carpet, clarifying that her actor husband had only been asking for directions and had struggled to hear the Cannes staff member’s answer. Oscar-winner actor Hanks walked the red carpet with his wife, actress and producer Rita Wilson. ![]() A bus-load of its stars, including Tom Hanks and Scarlett Johansson, were in orbit around the film’s premiere at the Cannes Film Festival on Tuesday. The sci-fi homage sees a junior stargazer convention disrupted by world-changing events. CANNES - Critics have hailed Wes Anderson’s star-studded new film Asteroid City as “stylish” but lacking in substance. ![]() ![]() ![]() If 'string' is equal to "on", "1", or "true", turns the debughud on. Prints player, camera, and room information. ![]() Prints the texture name and coordinates of the model the camera is pointing at. The fog begins at 'CameraFogNear' units away from the camera and becomes completely opaque at 'CameraFogFar' units away from the camera. Should be set to a value between 0.0 and 2.0. Sets wireframe, godmode and noclip to on. Replaces SCP-173's default texture with a jack-o-lantern-like texture. Has the same function as the MTF placing it into containment ![]() Default is 0.35.Įnables SCP-173 if it's already been disabled.ĭisables SCP-173. Prints SCP-173's position, idle Boolean, and state. Prints SCP-106's position, idle Boolean, and state.Įnables SCP-106 if it's either been disabled or contained.ĭisables SCP-106. Resets SCP-096 back its idle, sitting down state. Prints SCP-096's position, idle Boolean, and state if it has spawned. If 'string' equals another command, displays help for that command if it's available. If 'string' equals "2", displays the second part of the command list. If 'string' equals "1", displays a list of commands that can be used. Note that the parameter of a command is not checked, so it may cause errors when used. boolean: True or false, written as 1 or 0.Quotation marks must be omitted when entering strings in the console for them to be recognized. string: A string of letters or numbers.float: An integer supporting fractions as decimals.integer: A whole number, no decimals or fractions. ![]() ![]() A new Generative Layer is created in the Layers panel. Add annotations, captions and cursor effects. Easily record the screen and edit the recordings. You can see thumbnail previews of the variations that get generated based on your text prompt in the Properties Panel and in the Generative Fill dialog if used. 9 Best Free Video Editing Apps for Android Easy-to-use Video Editing Tool 1. ![]() We’ve compiled a list of apps that makes/creates movie trailers and here are the top 10. In the contextual taskbar, once your text prompt is complete, click Generate. You can add VHS filters, Glitch, Snow, Black & White, Filmic effects, and more You can also add progress bars, emojis, special effects, and snappy titles to. 10 Best Making Movie/Video Trailers Apps for iPhone or AndroidĪlright! Let’s talk about movie maker apps and the top 10 best movie trailer maker apps on Android, iPhones and iPads. Let’s quickly sweep through the top 10 movie trailer makers. Making movie trailers with the use of mobile apps has never been easier! Everything from spitting videos into clips, reordering/joining them and adding those lovely transitions, write-ups, and badass sound effects-just like you see on Hollywood trailers-can be achieved with your smartphone. and guess what? Movie lovers and amateur movie producers aren’t left out! English Movie Effects Maker Are you in search for stunning special effects to modify your pictures Want to feel like a star of a horror movie, sci-fi movie or an action movie Check out our brand new application and have fun editing pictures with best collection of movie effects. Photo duration is limited to just 10 seconds. What We Don't Like Can't add multiple layers to videos. Customizable music and voiceover features. Overall rating of Movie Effects Photo Editor is 4,1. Estimated number of the downloads is more than 1,000. 3D Movie Effects app contains a huge collection of realistic VFX/FX/SFX effect stickers and hand-picked selected movie HD backgrounds. ![]() Latest version of Movie Effects Photo Editor is 10.0, was released on (updated on ). Adjustable video color options (brightness, contrast, etc.). Movie Effects Photo Editor is free Photography app, developed by Luxury Photo Studio. Mobile app developers on the other end aren’t sleeping they’re constantly pushing the limits as to what can be achieved with mobile apps -from productivity apps to amazing games for gamers. 01 of 09 Simple and Practical for the Social Video Poster: YouCut What We Like One of the only free apps with no watermarks or ads. Gradually entering into the market, evolving and eventually conquering it, smartphones are now the most owned devices. Much has happened since the inception of the first smartphones in the late ’80s. ![]() ![]() This is why hunting rifles equipped with muzzle brakes are illegal in some African jurisdictions. Later almost all of the shooter's hearing returns, but a certain amount is permanently lost, and the losses are cumulative. Nearly complete temporary deafness usually lasts from about a minute to several minutes after firing a powerful magnum rifle equipped with a muzzle brake. Thus the spl inside the hearing protector is in excess of 100 dB, a potentially damaging level.įor a hunter in the field, shooting without ear protection, the muzzle blast from a muzzle brake is immediately deafening. 338 Magnum) produces a sound pressure level (spl) in the 130-dB range, according to reports I have read. A muzzle brake equipped magnum rifle (like a. Earmuff type hearing protectors typically reduce noise by about 25 dB. The muzzle blast from a powerful muzzle brake equipped rifle is so loud that even with hearing protection the shooter risks suffering some permanent hearing damage after a few shots. The increase in muzzle blast with these devices can be literally deafening, even for shooters wearing hearing protection. As always, in the real world, there is no free lunch. If the advantage of muzzle brakes is reduced recoil, the disadvantage is increased muzzle blast. Clearly, porting systems are less effective than muzzle brakes attached to the end of the rifle barrel. Other porting systems are said to deliver about a 20% reduction in recoil. Mag-na-port claims an average recoil reduction of 15% with their porting system. The other pair are 50 degrees apart on the upper surface of the barrel and closer to the muzzle. The first pair of these are 180 degrees apart on opposite sides of the barrel, starting about 1.5" back from the muzzle. Mag-na-port cuts a total of four slots into the barrel. On the other hand, they slightly reduce bullet velocity, tend to collect fouling, make the barrel more difficult to clean, and, most importantly, cannot be removed. They are a neater installation and cannot loosen with use. Such brakes avoid the added length and the slight bulge at the end of the barrel of a screw-on muzzle brake. These are "installed" by porting (drilling or cutting angled holes or slots into) the barrel itself. But a considerable percentage of the escaping gas finds its way through the holes drilled into the body of the muzzle brake and is deflected outward and at an angle to the rear. Some of the expanding powder gas pushing the bullet also passes through the center of the muzzle brake and exits the barrel in a normal manner. The bullet never touches this type of muzzle brake, simply passing through the muzzle brake tube as it leaves the barrel. There is no loss of bullet velocity or change in the rifle's ballistic performance with these muzzle brakes. Screwed firmly into place, they add a couple of inches of length to the end of the barrel, and are usually slightly fatter than the normal outside contour of the barrel. They are essentially a ventilated steel tube bored a little larger than the groove diameter of the barrel. ![]() The Recoil Reducer, Magna-brake, Accubrake and BOSS muzzle brakes are screwed onto the end of the barrel. These devices reduced recoil by an average of 42.86%. 416 Weatherby Magnum rifle for testing, the Recoil Reducer reduced recoil by 39%, the KDF Slimline reduced recoil by 40.6%, and the KDF Regular reduced recoil by 49%. In their literature, Weatherby compares the effectiveness of the Accubrake to several other makes of muzzle brake. Weatherby, who claims that their Accubrake is the most effective on the market, claims recoil reduction of up to 53%. Browning, whose BOSS (Ballistic Optimizing Shooting System) is both a muzzle brake and an accuracy tuning device, claims a recoil reduction of up to 30%. Mag-na-port International claims recoil reduction of up to 45% for their Mag-na-brake. Ahlman's claims a 50% recoil reduction when their Recoil Reducer muzzle brake is used on large magnum rifles. The actual effectiveness depends to an extent on the cartridge for which the rifle is chambered. Muzzle brakes reduce recoil by diverting part of these gasses to the side so that they do not add to the rearward recoil.Ī properly designed muzzle brake can significantly reduce recoil. ![]() The second is the expanding powder gasses that are pushing the bullet and must also exit the barrel. The first is the bullet itself, which cannot be interfered with. Recoil (kick) is the rifle's reaction to the action of the bullet being accelerated down the rifle barrel. ![]() Newton's law says (to paraphrase) that for every action there must be an equal and opposite reaction. ![]() ![]() ![]() Sulfur dioxide can mix with water vapour in the air precipitate down on earth as acid rain. As a result, your brain and other tissues get less oxygen. When you inhale carbon monoxide , it replaces the oxygen that is normally carried by the hemoglobin in your red blood cells. State the adverse effect of common air pollutants on buildings and on health.Ĭarbon monoxide is a poisonous gas.Global warming also reduces rainfall leading to less food production. Due to global warming over the years, polar ice caps are melting, leading to a rise in sea levels causing flooding on land. However, increasing levels of greenhouse gases such as carbon dioxide can increase the heat on earth and cause what is known as global warming. If there were no greenhouse gases, the earth would be very cold. These greenhouse gases, thus keep the earth hot. But it is also released from burning of fossil fuels in power stations, factories and vehicles.Ī greenhouse gas is a gas that absorbs heat energy and stop the heat from escaping into space. Explain why the proportion of carbon dioxide in the atmosphere is increasing, and why this is important.Ĭarbon dioxide is naturally present in the atmosphere.Nitric oxide-–> nitrogen + oxygen nitric dioxide-> nitrogen + oxygenĬarbon monoxide, which is also produced in the exhaust is oxidised to carbon dioxide The catalytic converter first reduces the nitrogen oxides to nitrogen.ĢNO(g) -–> N 2(g) + O 2(g) & 2NO 2(g) -> N 2(g) + 2O 2(g) So in order to stop nitrogen oxides from being released, a catalytic converter is placed in exhausts of vehicles. Nitrogen oxides formed in car exhausts due to heat and pressure can combine with hydrocarbons (compound that contain hydrogen and carbon) and other compounds in the atmosphere to form smog- a smoky fog. Explain the presence of oxides of nitrogen in car exhausts and their catalytic removal.Sulfur dioxide is also released by volcanoes Sulfur dioxide and nitrogen oxide both come from the burning of fossil fuels. State the common air pollutants as carbon monoxide, sulfur dioxide and oxides of nitrogen, and describe their sources.Ĭarbon monoxide, sulfur dioxide and oxides of nitrogen pollute the air.Ĭarbon monoxide is released when there is incomplete combustion- where there is not enough oxygen to burn a fuel completely, water and carbon monoxide are formed.Describe the composition of clean air as being a mixture of 78% nitrogen, 21% oxygen and small quantities of noble gases, water vapour and carbon dioxide.The liquid oxygen is collected from the bottom. The nitrogen evaporates first because it has a lower boiling point and rises to the top and collected. This liquid air is fed into the distillation column. The air is cooled and compressed several times until it becomes liquid air. Let’s look at how oxygen and nitrogen are seperated using fractional distillation (to recall what fractional distillation is, click here). Gases in the air as used for various purposes, but they need to be separated from one another first. Describe the separation of oxygen and nitrogen from liquid air by fractional distillation.In agriculture, water is used on farms for watering crops and feeding animals.Īt home, water is used for drinking, cooking, washing and cleaning purposes. Water is also used to generate electrical power (through hydroelectric power stations or by using steam to drive turbines). Water is used in factories as a solvent for many chemicals and as a coolant to stop industrial processes from getting too hot. State some of the uses of water in industry and in the home.Afterwards, the water is chlorinated (treated with chlorine) to get rid of bacteria that couldn’t be removed through filtration. Filtration is used to separate insoluble substances from the water. It may contain bacteria, dead animals and plants, dirt etc. Water from lakes and rivers are not pure. Describe and explain, in outline, the purification of the water supply by filtration and chlorination.ĬuSO 4(s) + 5H 2O(l) -–> CuSO 4.5H 2O(s)Īnhydrous copper(II) sulfate + water -> hydrated copper(II)sulfateĪlternatively, you can also use anhydrous cobalt chloride which changes from blue to pink when water is added.ĬoCl 2(s) + 9H 2O(l) -–> CoCl 2.6H 2O(s)Īnhydrous cobalt(II) chloride + water-> hydrated cobalt(II) chloride When you add water to anhydrous copper(II)sulfate, it will turn blue. Anhydrous means there is no water in the compound. One test to identify water is to pour the substance being tested to anhydrous copper(II)sulfate. We apologise for the inconvenience, but hope that the new images will provide you with an even better learning experience. Disclaimer: Due to unforeseen difficulties, we have had to take down the images on this notes page. ![]() |