The Chemistry Behind Glowsticks

Lightsticks or glowsticks are used by trick-or-treaters, divers, campers, and for decoration and fun! A lightstick is a plastic tube with a glass vial inside of it. In order to activate a lightstick, you bend the plastic stick, which breaks the glass vial. This allows the chemicals that were inside the glass to mix with the chemicals in the plastic tube. Once these substances contact each other, a reaction starts taking place. The reaction releases light, causing the stick to glow. A Chemical Reaction Releases Energy Some chemical reactions release energy; the chemical reaction in a lightstick releases energy in the form of light. The light produced by this chemical reaction is called chemiluminescence. Although the light-producing reaction is not caused by heat and may not produce heat, the rate at which it occurs is affected by temperature. If you place a lightstick in a cold environment (like a freezer), then the chemical reaction will slow down. Less light will be released while the lightstick is cold, but the stick will last much longer. On the other hand, if you immerse a lightstick in hot water, the chemical reaction will speed up. The stick will glow much more brightly but will wear out faster too. How Lightsticks Work There are three components of a lightstick. There need to be two chemicals that interact to release energy and also a fluorescent dye to accept this energy and convert it into light. Although there is more than one recipe for a lightstick, a common commercial lightstick uses a solution of hydrogen peroxide that is kept separate from a solution of a phenyl oxalate ester together with a fluorescent dye. The color of the fluorescent dye is what determines the resulting color of the lightstick when the chemical solutions are mixed. The basic premise of the reaction is that the reaction between the two chemicals releases enough energy to excite the electrons in the fluorescent dye. This causes the electrons to jump to a higher energy level and then fall back down and release light. Specifically, the chemical reaction works like this: The hydrogen peroxide oxidizes the phenyl oxalate ester, to form phenol and an unstable peroxyacid ester. The unstable peroxyacid ester decomposes, resulting in phenol and a cyclic peroxy compound. The cyclic peroxy compound decomposes to carbon dioxide. This decomposition reaction releases the energy that excites the dye.

HEALTHCARE - 857 Words

HEALTHCARE FRAUD Abuse AND Prevention Health care fraud is a crime. Fraud is committed when a provider or patient intentionally submits false or misleading information to a health plan for use in determining the amount of health care benefits payable. As a Group Health member, there are steps you can take to prevent health care fraud and to report suspected fraud and abuse. There are a lot of things people can do to prevent Healthcare fraud some things that can be done Start by knowing your benefits and reading your Explanation of Benefits (EOB) statements and any paperwork received from Group Health Cooperative or your health care providers. Be wary of any free medical treatment, as these are usually signs. Rising costs of healthcare†¦show more content†¦Attempts to defraud the Medicare program may take a variety of forms. Billing for services or supplies that were not provided Altering claim forms to obtain a higher reimbursement amount deliberately applying for duplicate reimbursement in order to get paid twice Completing Certificates of Medical Necessity which is where the fraud starts in America. Fraud is a serious crime that should concern all parties of the U.S. health care system and is a costly reality that the government cannot overlook. While not all fraud can be prevented, by learning about the many different types of fraud, patients can be educated on how to protect themselves from fraud. If we use government programs to inform the public that they can be targeted, the dollar amount for these cases for fraud can be reduced. An informed public and a properly funded FBI will go a long ways in the overall crackdown of health care fraud. The Federal Bureau of Investigation is spending large amounts of its budget to crack down on health care fraud. Special units have been formed to help the FBI Crimes Section find these criminals and take them to court to seek proper punishment. Crimes are being committed by both providers and insurance companies on a daily basis. Moreover, their patients and subscribers areShow MoreRelatedHealthcare And The Healthcare System Essay1835 Words   |  8 PagesIt is said that a healthy nation is a wealthy nation. Healthcare is an important concern for every government as people get ill, accidents happen, emergencies arise and the health institutions are needed to diagnose, manage and treat the different types of ailments or diseases that may arise. The healthcare industry is divided into several areas in order to meet the health needs of anyone and everyone. All over the world, the healthcare structures are different to accommodate specific needs of theRead MoreHealthcare Systems And The Healthcare System939 Words   |  4 PagesWith every civilian in an industrialized country there is people who get sick, and or injured. When they get injured or sick they need medical attention and healthcare. A healthcare system is defined as ‘A health system, also sometimes referred to as health care system or healthcare system, is the organization of people, institutions, and resources that deliver health care services to meet the health needs of target populations.’ With that help usually comes with a big bill for the services providedRead MoreHealthcare Systems Of The Healthcare System Essay1541 Words   |  7 PagesHealthcare business comprises of various systems that focus to address the needs of clients and patients who entirely rely on the services of these facilities for prevention, treatment, and cure of diseases. 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Why I Hate Montclair Free Essays

When I first stepped onto the campus of Montclair State University, I knew it was a place for me. It was so beautiful and walking past the gorgeous, blooming flowers, in the middle of spring was breathtaking. I could imagine what being a student in the school would feel like and how quickly I could become accustom to it. We will write a custom essay sample on Why I Hate Montclair or any similar topic only for you Order Now Unfortunately, I had to face the fact that it was all a dream and nothing was perfect as it seems. Even though Montclair State University has many great aspects, it also has negative aspects as well.The three most significant aspects of Montclair State University that I believe can be improved are parking, the shuttle bus, and the registration arrangement. One of the most important negative aspects that I dislike about Montclair State University is the parking system. Most students at the University are aware that parking is indeed very difficult and can be extremely stressful at times. The worst part is that freshman and sophomores are required to park at the transit deck which is about a ten to fifteen minute walk. Parking in the transit deck is very time-consuming, and usually the reason most students are late to their first class.Finding a good parking spot takes a lot of effort, and takes even more effort at certain times throughout the day. For example, if a student has an 8:30 class, it is extremely difficult to find a parking spot in the first, second, and even third floor. A student must circle around each floor and sometimes drive around the same floor of the deck twice in case they missed a spot. It is nearly impossible to find a perfect spot, so the only thing a person can do is to get the first spot available to them even if it is located in one of the highest floors.One must leave their house or apartment extra early especially if they have a morning class just to find parking. Truly, it does take a lot of time, and even worse when it is packed. All in all, parking is one of the aspects of Montclair that I was not expecting, but it is something that I must adapt to in order to continue making the most out of my college experience. Another aspect of Montclair State University which I truly dislike is the shuttle buses. These buses take freshman and sophomores from the transit deck to certain areas of the campus to save the ten to fifteen minute walk.Although that seems fair and organized, it actually is not. I can honestly say that sometimes walking is actually much faster and less time-consuming than actually taking the bus to campus. The bus is never accurate in its schedule and never comes when it’s supposed to. Sometimes students must wait at the shuttle bus stop from a range of five minutes to an hour for a shuttle to come. Therefore, on some days it is actually better to walk the mile rather than wait for a shuttle and be late to your next class.Taking a shuttle bus is the worst part of my day because not only do I have to wake up extra early in order to catch a shuttle bus and get to class on time, but I also have to wait for a shuttle bus after class ends. After a long day of classes, the first thing I think about is going home to take a nap. However, by the time I get home, it is usually too late to do anything because I have work to complete for the next day. All in all, shuttle buses are not as advantageous as they are supposed to be. Last but not least, the registration arrangement during registration time is something that I hate but try to understand.During the registration process, seniors get first pick and can choose from any courses they want. The next day, juniors get to pick from whatever courses are not closed and anything that the seniors did not take. The sophomores then follow the same arrangement and so on. The freshman or class of 2014 gets last pick and can only choose from whatever courses that may still be open, and are not closed by the seniors , juniors, and sophomores. The freshmen, like myself, not only get to pick last but find it impossible to make the perfect schedule.Most times, freshman must forget about their own preference and just take what they can get because unfortunately there are not many choices left by the time it is their turn. Therefore, there is not only competition of courses between freshman and the upperclassman, but also between freshman and themselves. By the end of the last day, students must choose from whatever classes are open even if it means they do not want or need that class. The registration arrangement makes the freshman’s year even more difficult by trying to find open classes to match their preferences.In conclusion, Montclair State University is kan excellent school which I am glad that I have the opportunity to attend. One of the things that I dislike about Montclair is the parking system. Another thing that I cannot stand is the shuttle buses. The shuttle buses can definitely be improved to be a more effective system and an easier system for all students. Finally, the registration arrangement is another thing that I loathe about Montclair. With that being said, Montclair State University is an exceptional school, but, like any other school, has room for improvement How to cite Why I Hate Montclair, Papers

Fall Out Boy From Under the Cork Tree free essay sample

Fall Out Boy rocked the music scene with â€Å"From Under The Cork Tree† in May of 2005. It has the punk rock feel of their previous album, â€Å"Take This to Your Grave,† but also has a bit of a pop twist. This creates a very melodic sound that makes this album a stand out. You can see their increased maturity here, boasting clever lyrics about love, life, and fame. Every song has a catchy hook that will have you humming the tunes for hours. I believe this is Fall Out Boys best record. They had more time to record this, so it was better in every aspect, really solidifying the bands mainstream status. All the lyrics are written by bassist Pete Wentz, while the musical composing and writing is the creation of lead vocalist/guitarist Patrick Stump. The band slightly modified their sound but never got rid of the punk rock. We will write a custom essay sample on Fall Out Boy: From Under the Cork Tree or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page You can hear remnants of their previous album in â€Å"Dance, Dance.† It has all the makings of a pop hit, but also the fast-paced rush of a punk rock track, and the two seem to mix very well. â€Å"Ive Got a Bad Idea and a Dark Alley That Says You Should Shut Your Mouth (Summer Song)† is a stripped down track. Stumps gentle singing about an aching heart slows the pace and soothes your ears without allowing any loss of interest. Anyone who enjoys punk rock, pop, or alternative rock will love this album. There is something for everyone in these 13 masterpieces. This is a trans-genre album, crossing over the heavier punk rock to a more melodic pop sound. If you liked Fall Out Boys previous album, youll love this one. Whether youre into pop, punk, alternative, or whatever, Id recommend this to anyone looking for a pleasurable musical experience.