Have You Found a Chemistry Forum?

Have You Found a Chemistry Forum?You may have discovered one of the oldest and most persistent of the Internet 'V' for victory - a blog or forum that has many chemistry puns. Many of the posts on these forums are targeted at lovers of all things science, and they will often mention what they have learned and their experiments to the delight of the science lover in all of us. Just be sure that you're not looking at the wrong forum and you should be fine.One of the more popular forum threads is all about how to play on the fly. This means that you can do research on any topic without worry about losing your place because you didn't know about a bit more about a subject than you thought. All you need to do is find a way to get on that topic and you can figure out all sorts of things about it. You might even come up with something totally new.Chemistry is a bit of a mystery to people who don't attend college. They tend to just pick up bits and pieces as they go along. This is one of the reasons why you see so many posts that take you through chemistry topics in an organized fashion. There's no question that people who haven't taken college classes to get a bit lost when it comes to learning about their subject.Just about all online forums offer some form of chemistry help. A quick search of chemistry help can usually find you a few great resources. What you can do is post a question in a forum related to your interest, and if others think that you have an interesting question to ask they will gladly contribute with some information to help you learn more. A good chemistry forum will even allow you to make and post a comment to make things easier.This goes for other science subjects as well. When people find out that you've been through a particular subject in the past and still want to learn more, they'll be glad to help you out. Don't be afraid to make yourself available and meet new people from other areas. Learning can be fun, especially when there are so many p eople willing to help out.The point is that you can find many forums that talk about chemistry in an organized manner. This means that you can learn about everything about chemistry, you want to know without spending a ton of time looking up stuff yourself. In addition, this means that you'll have plenty of fun while doing it. Now, if you'd like some advice you can always join a chemistry club or visit a chemistry forum.These Internet forums will make your research and education in chemistry much easier. With so many places to start you can get started right away, and that can be quite a comfort to those who want to get started but don't really know where to start. In any case, be sure to visit some of these chemistry forums so that you can learn more.

CO2 Molecular Geometry

CO2 Molecular Geometry CO2 Molecular Geometry Molecular Geometry: The three dimensional structural arrangement of different atoms in a molecule is called as Molecular Geometry. There are different types of molecular structure formations depending on the number of covalent bonds. The VSEPR theory which also means valence shell electron pair repulsion theory is used to decide the geometrical structure of the given molecule. How is VSEPR theory used in Molecular Geometry? According to the VSEPR theory the number of valence electrons on the central atom decide the molecular structure of the compound. The central atom can either form bond pairs or lone pairs with its valence electrons. The bond pairs are formed when the central atom shares the electrons with another atom. The lone pair are the electrons which belong to the central atom in a molecule and are not shared with any other atom. Lone pairs are also called as non-bonding pair of electrons. Here is how the number of bond pairs and lone pairs can be calculated for a given atom. Number of bonding electrons = (Total possible valence shell electrons) - (Valence shell electrons of the atom) Number of non-bonding electrons = (Total possible valence shell electrons) 2 x (number of bonding electrons) Using the formulas for finding the bonding and non-bonding electrons for some atoms: Atom Total number of valence electrons possible. Number of valence electrons Number of bonding electrons Number of non-bonding electrons Carbon C 8 4 8 - 4 = 4 8 -2 (4) = 0 Nitrogen N 8 5 8 - 5 = 3 8 2 (3) = 2 Oxygen O 8 6 8 - 6 = 2 8 2 (2) = 4 Fluorine F 8 7 8 - 7 = 1 8 2 (1) = 6 Neon Ne 8 8 8 - 8 = 0 8 - 2 (0) = 8 According to the table mentioned above here is how the atoms will look like: Depending on the number of bonding pairs and the lone pairs the molecular geometry of atoms can be predicted. Here is the table mentioned by the VSEPR theory: Bonding Electron pairs Lone pairs Shape of the Molecule Angle 2 0 Linear 1800 3 0 Trigonal Planar 1200 2 1 Bent 1200 4 0 Tetrahedral 109.50 3 1 Trigonal Pyramidal 109.50 2 2 Bent 109.50 5 0 Trigonal Bipyramid 900, 1200, 1800. 4 1 Seesaw 900, 1200, 1800 3 2 T-Shaped 900, 1800 2 3 Linear 1800 6 0 Octahedral 900, 1800 5 1 Square Pyramidal 900, 1800 4 2 Square Planar 900, 1800 CO2 Molecular Geometry: For the Carbon di-oxide molecule, Carbon is the central atom and it forms covalent bonds with the two oxygen atoms. The first step is to write the electronic configuration for the carbon atom and check for the number of valence electrons it has. The Carbon atom has an atomic number of 6. The electronic configuration of Carbon is 1s2, 2s2, 2p2. The number of valence electrons of carbon is 4. As already shown in the table above Carbon has 4 bonding electrons and no lone pairs. The Carbon atom needs 4 more electrons to reach the stable state configuration. Hence it forms 4 covalent bonds. The Oxygen atom has the atomic number of 8. The electronic configuration of Oxygen atom is 1s2, 2s2, 2p4. The number of valence electrons for Oxygen is 6. As already shown in the table above Oxygen has 4 non-bonding electrons (2 lone pairs) and 2 bonding electrons. The Oxygen atoms needs two more electrons to reach the stable sate configuration. Hence it forms two covalent bonds. Using the VSEPR theory for Molecular Geometry, CO2 has linear shape. Central atom carbon forms double bonds with each Oxygen atom [C=O]. Due to the sharing of electrons Carbon and Oxygen now have 8 electrons in the outermost shell. As the molecular Structure for the Carbon di-oxide CO2 molecule is linear, it has an angle of 1800. Since the Oxygen atom has 2 lone pairs, it pulls the shared bond pair of electrons towards itself due to which there is an electronegativity generated in the carbon oxygen bond formation. This is the reason carbon oxygen double bond is polar covalent. However as there are two oxygen atoms on both sides they form symmetry due to which the CO2 molecule is non-polar.

Homework Help for Parents

Homework Help for Parents Is your child struggling with his homework? Want to help? Get Tutor Pace’s homework help for parents and help your child finish his homework like never before. Homework help for parents: Handle every homework challenge with ease now Tutor pace’s homework help for parents is a ray of hope for parents struggling to help their children. You, as parents, want to help your child in his homework, assignments, and other things. But, often you can’t. Why? Well, there are many reasons. Some of the important ones have been outlined by our homework help for parents Don’t have time to help your kid? No worries. Our homework experts help your child 24/7. Whether in morning or night, your child gets help the moment he needs. Our homework help for parents provides 24/7 support to both children and parents. So, be it on-the-go or from your home, you can connect anytime you want. Worried about forgotten concepts? Not an issue. 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Online Square Root 144 Tutors

Online Square Root 144 Tutors Square root of a number implies finding the value of the given number which is raised to an exponent of 1/2. Square root is the radical sign used to represent the notation for a number or an expression. Therefore square root of 144 is represented as 144. Its value can be calculated by finding the numbers which when multiplied by itselfgives 144. In this case, when 12 is multiplied by 12 we get 144 and similarly, -12 multiplied by -12 also gives 144. Hence square root of 144 = 12. Example 1: What is the square root of 225? Square root of 225 can be alsorepresented with the radical sign as 225. In order to find its value, we need to find the numbers which when multiplied by itself gives 225. 15 * 15 = 225 and we also have -15 * -15 = 225. This implies that 15 multiplied by itself or -15 multiplied by itself gives 225 as the answer. Hence, square root of 225, which implies 225 = 15. Example 2: What is the square root of 256? Square root of 256 can be also represented with the radical sign as 256. In order to find its value, we need to find the numbers which when multiplied by itself gives 256. 16 * 16 = 256 and we also have -16 * -16= 256. Therefore 16 multiplied by itself or -16 multiplied by itself gives 256 as the answer. Hence, square root of 256, which implies 256 = 16.

Student Thoughts on Attending Cornell University

Student Thoughts on Attending Cornell University The tutors behind Varsity Tutors are not just here to teachtheyre sharing their college experiences as well. Felicia is earning her bachelors degree in applied economics and management at Cornell University. She lives in New York City and specializes in accounting tutoring, macroeconomics tutoring, microeconomics tutoring, and several other subjects. See what she had to say about her experience at Cornell University: Describe the campus setting and transportation options at Cornell University. Felicia: Cornell University is located in Ithaca, NYa great college town in western New York. Cornell is surrounded by a beautiful landscape. The campus is large, with different quads separating the different academic schools. It takes about 30 minutes to walk from one end of the campus to another. Since it is large, the Ithaca public bus system (TCAT) runs through campus. Students are able to take this bus off campus as well. Ithaca is a great college town, and there are a lot of fun activities to do on and off campus. There are great restaurants at the Commons, and the farmers market is really awesome. I do not have a car on campus and Im fine, but a lot of students bring their car after freshman year. How available are the professors, academic advisers, and teaching assistants? Felicia:Professors are very accessible and encourage students to go to their office hours to ask questions. All classes have teaching assistants, but depending on the department, they may be undergraduates or graduate students. Either way, between the professors and teaching assistants there is a surplus of office hours available to get help. Academic advisors are helpful, but it is the students responsibility to seek out their help. How would you describe the dorm liferooms, dining options, location, socialization opportunities with other students? Felicia:At Cornell, all freshmen live in dorms on North Campus. This is great, because all the freshmen are geographically very close together. There are a number of different dorms, and each has their own set up. My freshman year I lived in a dorm that was all singles (fun fact: my dorm is the largest dorm of all the Ivy League schools). Other dorm set ups include doubles and triples. After freshman year, many students who decide to join Greek life live in their houses, which is really fun. Other options include living in dorms on West Campus. After sophomore year, students generally move off campus to Collegetown, a neighborhood right off of campus. Dining is great at Cornell. There are a lot of different options, and the food is really good. There are two dining halls on North campus as well as another food place that is open late. There are six dining halls on West campus. On Central campus, where classes are held, there is one dining hall as well as numerous cafes. Which majors/programs are best represented and supported at Cornell University? Felicia:I am an applied economics and management major, which is in The Charles H. Dyson School for Applied Economics and Management. It resides in the College for Agriculture and Life Sciences (CALS). I study undergraduate business, and I am concentrating in strategy. Students in The Dyson School can concentrate in 13 areas including finance, entrepreneurship, and international trade and finance. I am interested in business and learning about what makes certain companies successful. Applied economics and management is the largest major on campus. Cornell is very unique because it is a land grant university, meaning that three of its colleges are state-funded. This includes CALS, The College for Industrial and Labor Relations, and The College for Human Ecology. The rest of the colleges are private. They are The College of Arts and Sciences, The College of Engineering, The College of Hotel Administration, and the College of Architecture, Art and Planning. Arts and Sciences is the larg est college on campus. How easy or difficult was it for you to meet people and make friends as a freshman? Does Greek life play a significant role in the campus social life? Felicia:It was not hard to make friends when arriving at Cornell University. Everyone is in the same boat as you and everyone is looking to meet people. You meet people in your dorm, classes, and through other friends. I decided to join Greek life because I was interested in continuing to meet new people. Greek life is about 1/3 of campus, so it is prominent but escapable. It is there if you want it, but is in no means necessary to have a social life. How helpful is the Career Centerand other student support services at Cornell University? Felicia:Each college has its own career center. The CALS career center is very helpful in going over resumes, cover letters, and giving practice interviews. Top companies such as Goldman Sachs, EY, Deloitte, and Disney come to recruit. How are the various study areas such aslibraries, the student union, and dorm lounges? Felicia:Cornell has three main libraries and many other smaller libraries across campus. Everyone has their favorite place to study because each one has a different vibe and different types of study spaces. I have never had a problem getting a seat; the only time when its tricky is during finals. The student union center is called Willard Straight Hall, and it has numerous resources available for students. Willard Straight houses Cornell Cinema, Slope Studio (an art center), cafes, and study spaces. Describe the surrounding town. Felicia:Ithaca is a great college town with a lot to do off campus. Right off campus is the neighborhood Collegetown, where many upperclassmen live. There are many restaurants and bars within walking distance from students apartments. Ithacas downtown area is known as the Commons, which has awesome restaurants and shops. Surrounding off campus there are a lot of state parks, such as Buttermilk Falls. Gorge jumping is a popular activity in the fall and spring. How big or small is the student body at Cornell? Were you generally pleased or displeased with the typical class sizes? Felicia:Cornell is about 5,000 undergrads per class. I like the size because there are always opportunities to meet new people. There are many ways to make Cornell feel smaller, such as joining Greek life or being close with kids in your major. Generally, classes are big (especially introductory classes), but small classes are not hard to find. I like both environments; even if it is a big class, there are still opportunities to get help. Describe one memorable experience with a professor and/or class. Perhaps one you loved the most or one youregretthe most. Felicia:The highlight so far of my undergraduate career was having the opportunity to participate in the class Global Business Trip: South Africa. Thirteen students and three professors traveled to South Africa to learn about business, culture, and the history of South Africa. We traveled to Cape Town and Johannesburg, taking in the sights, meeting entrepreneurs, and touring big businesses. It was amazing to travel and experience a wonderful culture, and it was one of the best experiences of my life. Another great class I took was a Plant Science class called Plants and People. The professor was so amazing and cared so much about us learning about plants. I learned a lot about the plants we used. We had lab and we got to do all these exciting things, and we also got to go on field trips such as a trip to a local coffee roasting place. Check out Felicias tutoring profile. The views expressed in this article do not necessarily represent the views of Varsity Tutors.

Play Like a Pro 7 Cool Rock Guitar Licks from Legendary Players

Play Like a Pro 7 Cool Rock Guitar Licks from Legendary Players Sign up successful Even though Kurt  Cobain  has been gone for a while, his musical genius still lives on through his songs. With the guitar lick from Smells Like Teen Spirit, youll feel like youre back in the grunge era. 6. Enter Sandman Metallica Metallica has a few guitar licks that are fun to play, but our favorite is  this one from Enter Sandman. If you like playing the lick, try learning the whole song next! 5. Wild Thing The Troggs There have been many versions of this song throughout the years, but the original Wild Thing is still well known to everyone. Not only is it an instantly recognizable song, the riff is actually quite simple to play. 4. Beat It Michael Jackson No countdown would be complete without a Michael Jackson song. With Beat It, youve got a great riff that you can play and even sing along with if you want to. Of course, it might be hard to moonwalk while youre playing guitar licks! 3. Layla Derek and the Dominos This is one of the more complicated guitar licks of our top seven, but that just makes mastering it more satisfying. While Layla is a classic tune, its still a really rocking song to play. Even if a younger generation wont recognize it right away, everyone will still respect how cool it sounds. Its hard to beat the classic sound of Eric Clapton. You might find yourself spending a little more time working the lick up to speed, but when you get there its a lot of fun to play! 2. Crazy Train Ozzy Osbourne If youre a fan of heavy metal, youve probably heard of Ozzy  Osbourne. While his personal life has been in the spotlight in more recent years, the music that hes put together has been fairly illustrious. The guitar lick from Crazy Train is very well known, and sounds really nice even if youre playing it on acoustic guitar. 1. Smoke on the Water Deep Purple Its hard to find someone who has never heard Smoke on the Water. Even if they dont know the name of it, the simple pattern is well known to anyone whos familiar with  rock music. Aside from being very familiar, this riff is pretty easy to pick up and play on any guitar. When youre deciding which rock guitar licks to work on, make sure to work with your guitar teacher. He or she might have others to recommend, and can also listen to your progress and help you out with anything that needs to be polished a bit more. Search for your guitar teacher now! Interested in Private Lessons? Search thousands of teachers for local and live, online lessons. Sign up for convenient, affordable private lessons today! Search for Your Teacher Photo by  Serjão Carvalho

Professores da LOI English Dianna Henshaw

Professores da LOI English Dianna Henshaw Quando o objetivo é aprender Inglês, ter contato com pessoas de diversos países anglófonos é uma das formas de aprimorar a capacidade de compreender uma grande variedade de sotaques. Por esse motivo, os professores da LOI English não são apenas dos Estados Unidos.Dianna Henshaw é um exemplo disso, a professora é da Nova Zelândia, país que tem uma diferença horária enorme em relação ao Brasil quando em Brasília são 8h, lá são 23h. Ela comentou que, por causa disso, muitos dos seus alunos brasileiros acham que as horas que tem disponíveis, por vezes, são um pouco malucas.Segundo Dianna, a maior parte dos seus alunos são da Rússia e do Brasil, sendo que os brasileiros costumam ser dos estados de São Paulo e Rio de Janeiro. Ela ainda fez questão de frisar que se sente verdadeiramente confortável falando com brasileiros, que, na sua opinião, possuem um sentido de humor singular.Falando nisso, Dianna contou que o seu método preferido de ensinar é através do h umor, usando situações cômicas e formas caricatas de ver os erros, de maneira a que o aluno entenda onde está errando, mas que não se sinta constrangido por isso. A professora acredita que dar aulas através do Skype é uma forma de partilhar experiências e construir uma relação de confiança com o aluno, que permita que ele fale abertamente dos seus medos, objetivos e frustrações em relação à língua. Já que, somente conhecendo esses detalhes, bem como a personalidade de cada pessoa com quem trabalha, é possível criar uma experiência de aprendizado plena e verdadeiramente interessante.Tal como os outros professores da LOI English com os quais conversei, Dianna apontou a pronúncia seja do -ed no final das palavras ou das vogais que muitos tendem a esticar de demais como  sendo uma questão transversal a todos os estudantes brasileiros.  Embora consiga apontar problemas comuns entre alunos de determinada nacionalidade, de acordo com Dianna, ela encara cada aluno c om único e usa a caixa de ferramentas que tem na cabeça para saber qual ferramenta (ou conjunto de ferramentas) usar com cada indivíduo. Na opinião dela, essa é a chave para atingir o seu objetivo principal enquanto professora de Inglês, que é preparar os seus alunos para serem capazes de comunicar em situações reais.Para a professora, que tem 15 anos de experiência ensinando Inglês para estrangeiros, dar aulas a alunos de diferentes países é uma oportunidade de partilhar experiências e conhecimento, com a vantagem de se sentir transportada para outro país cada vez que abre o Skype para falar com um aluno. Isto acontece, segundo ela, por causa da influência que a cultura de cada estudante tem no seu aprendizado do Inglês, fazendo com que a sua fluência, ritmo e escolha de palavras muitas vezes tenha mais a ver com a cultura na qual se desenvolveu do que propriamente com o seu nível de conhecimento da língua.Dianna referiu ainda que alguns professores têm tendên cia para ver os alunos como cabeças vazias que precisam ser preenchidas. No entanto, ela acredita que seus alunos não são cabeças vazias, mas sim seres com conhecimento e experiência. Por isso, tenta sempre adequar o método de aprendizagem e os assuntos a serem ensinados de modo a que se enquadrem aos conhecimentos que cada pessoa tem, pois só assim o que ela está ensinando será útil para os seus alunos.