Second Order Equation Chemistry

Second Order Equation ChemistrySecond order equation chemistry is the most advanced form of chemistry because it is highly rigorous, innovative and fruitful. This course is often referred to as Baccalaureate Chemistry and students study a particular field such as organic chemistry, physical chemistry, and even condensed matter physics. It is through this course that students develop the skills and knowledge needed to begin a professional career in the field of science. Students can choose to continue on to more advanced courses or to start a PhD program and complete their doctorate.Second order equation chemistry is a critical course. It is very much a hands-on course that is not only filled with interesting topics and new procedures but also with calculations and study notes that allow for close analysis of laboratory experiments. In this course students will be required to write calculations, equations, and formulas in a number of different formats. Students are required to create, organize, and write down the answers in an algebraic form that can be difficult for a student who has never completed calculus. In addition, in the advanced student it is essential that they maintain their grades in the BSC for the Physics BSC to be passed.Even though the exams show up as being passing or failing the students are required to revise their work and review their notes to make sure that the mistakes and answers do not exist. There are no mistakes in this course, just as there are no mistakes in any other course in science. The third and fourth order equations contain detailed formulas and equations and are the most difficult to write.With all the reading and writing the students need to be able to relate all the information they have learned and understand it without further explanation. Most students find this difficult when in fact they are not being given enough information. For those students who can understand the material written by professionals with degrees in this field, this can be a great challenge. Students can be given large amounts of work to do to understand, as well as various sections that explain or illustrate certain procedures and their effect on the other sections.For students who can grasp the concept and do all the important parts, they can get on with their lives without having to worry about keeping up with the latest materials. Students who are able to understand the information and write the answers and formulas by themselves show a great deal of promise and will probably get their degree much faster than a student who has to follow instructions that are written by others. The second order equation is a challenging course that allows for the student to become familiar with the use of various laboratory techniques and equipment. A student can learn all the math formulas and solve complicated problems in this course with ease.Many research students become very successful in this course and it is often recommended for rese arch students to go on to this course. Many PhD programs will only accept students who have completed this course. Many students who have chosen to go on to research careers choose this type of program because they can get their PhD in a shorter amount of time, show that they are prepared for their studies, and see what opportunities lie ahead for them in their future careers.For those students who have the desire to study, but are not interested in the advanced courses and the research that go along with it, a third order equation can provide for an alternative for the student to develop their skills. In addition, it can help students decide which fields of science they would like to specialize in as they advance through their education. Other aspects of science are also involved and such studies will not leave students unprepared to enter into a new area of study. The third order equation is one of the most highly demanded subjects for most colleges, and as the demand increases, s o does the price of the course.

The Best Headphones for Singing

The Best Headphones for Singing Headphones for Singers ChaptersWhat Makes Good Headphones for Singers?Beats Solo3Denon AH-GC30Sennheiser MomentumJBL Everest 710Nura NuraphoneBose QuietComfort 35 II and QuietComfortSony WH-1000XM3 and WH-1000XM2Marshall Mid ANC“If they're singing about heartbreak, they've lived it.” - Paula AbdulFor singers, when it comes to over-ear headphones and in-ear headphones, most choose an over-ear headphone. Each different type of headphone has its pros and cons depending on what you plan on using them for. Headphones can be used for listening to music but also for listening to yourself sing.Almost 2/3 of the population listen to music every, 3 in 10 listen to music most days, and only 6.2% listen to music only 2-3 times a week.There are plenty of wireless headphones and many of them are designed for everyday use and include noise cancellation and great audio quality, for example.But are they good for singing?Let’s have a look at the best headphones for singers. TraceySinging Teacher 4.92 (13) £25/h1st l esson free!Discover all our tutors PortiaSinging Teacher 4.91 (11) £35/h1st lesson free!Discover all our tutors NicolaSinging Teacher 5.00 (11) £40/h1st lesson free!Discover all our tutors JazzSinging Teacher 5.00 (6) £40/h1st lesson free!Discover all our tutors PerrineSinging Teacher 5.00 (3) £50/h1st lesson free!Discover all our tutors TiemSinging Teacher £40/h1st lesson free!Discover all our tutors TomSinging Teacher £25/h1st lesson free!Discover all our tutors MiriamSinging Teacher 5.00 (4) £35/h1st lesson free!Discover all our tutorsWhat Makes Good Headphones for Singers?As you’ll have seen, headphone jacks are disappearing. Smartphones are coming out with fewer and fewer ports as wireless technology and Bluetooth replaces wired alternatives. Whether they're wired or wireless, you need to carefully choose your headphones. (Source: Taken)Headphones are following this trend and more and more audiophiles are opting for wireless headphones. They now come with apps that allow you to change the sound quality, equalise the sound, and change the ambient sound.When it comes to getting wireless headphones, there are a few things you need to think about:The sound quality: This is one of the first things you need to think of when buying Bluetooth or wired headphones. When it comes to audio balance, there can be a loss in quality via Bluetooth, which is why you need to pay careful attention to the headphones you get, especially if you’re a singer.Comfort: In addition to having a decent battery life (20 hours is a good time frame), headphones need to be comfortable. Some people prefer around-the-ear headphones, others prefer over-ear headphones, but you’ve got to see what you think of them first.Isolation: This is a hugely importan t factor as a lot of headphones offer a lot of noise cancellation. When you put your headphones on, it’s to hear yourself, not the rest of the world.Design: While this may seem quite trivial to some, for others, it’ll be a huge advantage for some. In some cases, you’ll want to try them out, see how they feel, what they can do, and how good they are.So now you should know a bit about what to look for when buying your headphones. We’ve got a few different models that you might want to have a look at.Beats Solo3Available in the “core” and “pop” ranges, these wireless headphones can connect automatically to nearby Apple devices: Apple Watch, iPad, Mac, etc., of course, with Bluetooth technology, you can connect it to almost any modern device. Headphones that may be right for one singer may not be the best for another. (Source: Free-Photos)The sound of the Beats is exceptional, too. It’s clear, balanced, and of great quality overall.  In terms of comfort, these headphones are padded and are great for blocking outside noise, which is useful if you’re singing. They come with a rechargeable lithium-ion battery, too.Denon AH-GC30Most Brits listen to music every day, which is why you’ve got to carefully choose your headphones. With various accessories (including three cables), these metal and faux-leather headphones are great value-for-money.They have good battery life and two microphones built-in so that you can make calls and use voice commands. Of course, you can use the Bluetooth to connect them to a variety of different devices. Finally, the noise cancellation is great.A good all-rounder!Find out more about singing mics.Sennheiser Momentum“Singing is just a feeling set to music.” - Carrie UnderwoodIn terms of nua nce (thanks to its 18O neodymium transducer), the sound from these headphones is clear and rich. With its stainless steel sliders and flexible leather, these headphones sit perfectly on your head.These headphones have adjustable parts meaning that they’ll fit comfortably on anyone’s head. The more comfortable you are, the better you’ll be able to sing. Again, there are plenty of options for volume and playback. In short, these are some comfortable headphones that are useful for when you’re singing. TraceySinging Teacher 4.92 (13) £25/h1st lesson free!Discover all our tutors PortiaSinging Teacher 4.91 (11) £35/h1st lesson free!Discover all our tutors NicolaSinging Teacher 5.00 (11) £40/h1st lesson free!Discover all our tutors JazzSinging Teacher 5.00 (6) £40/h1st lesson free!Discover all our tutors PerrineSinging Teacher 5.00 (3) £50/h1st lesson free!Discover all our tutors TiemSinging Teacher £40/h1st lesson free!Discover all our tutors TomSinging Teacher £25/h1s t lesson free!Discover all our tutors MiriamSinging Teacher 5.00 (4) £35/h1st lesson free!Discover all our tutorsJBL Everest 710The JBL Everest 710 is a pair of noise-cancelling headphones that combines wireless and wired technology. With these headphones, almost anything is possible. With 96dB sensitivity, these are some great folding over-ear headphones and the Bluetooth technology provides some great sound. You need to choose the headphones that you'll be comfortable wearing for a long time in the studio. (Source: rsunshine)Thanks to long battery life, they’re great for recording in a home studio. In wired mode, there’s also a microphone button you can use for commands. In Bluetooth mode, they’re among the best in their price range and have great noise cancellation.Nura NuraphoneThese original headphones include both in-ear and over-ear parts. The headphones also measure the user’s sensitivity to sounds and adjust accordingly, producing great sound for every user.These headphones won’t fold but they do make up for it with their superior build quality. They’re great for extended use.Bose QuietComfort 35 II and QuietComfortBoth these headphones are essentially brothers. Some headphones are designed with singers in mind. (Source: goranmx)What’s the difference between them?The second version has an integrated assistant.The noise cancellation and adjustable settings make both of these headphones great for singers and the audio balance is great.With 20 hours of battery life, these Bose headphones have a good build quality and are solid and shock-resistant. They’re made from nylon, stainless steel, and Alcantara, which is used in high-end automobiles.Not bad, is it?Find out more about sound cards for home studios.Sony WH-1000XM3 and WH-1000XM2Just like with the Bose headphones, these two models are like cousins. With 28 hours of battery life, they're great for spending all day and all night recording!Similarly, the sound and noise-reduction are among the best on the market and since they’re wireless, there’s Bluetooth technology involved and a quick-charge mode in case you’ve run out the batteries and need to quickly rehearse.There’s also Qui ck Attention, which turns down the volume for when you need to listen. These Sony products are great for listening to music and, more importantly, listening to your music.Think carefully about the budget for your home studio.Marshall Mid ANCWith these headphones, you can forget about the outside world and immerse yourself in your audio. With 30 hours of battery (and 20 if you’re using the noise reduction), these wireless headphones are easy to use, have great balance, are clear, comfortable, and a great all-round set of headphones.They come with a little case, take 3 hours to charge, and are sturdy little headphones. These over-ear headphones are comfortable and with soft materials make them comfortable to carry around.  With these headphones, you should be able to find some great headphones to use to listen to yourself when you’re singing and to listen back to your recordings.In the case of wireless versus wired headphones, the former tends to give you more freedom to move arou nd and while there’s a loss in quality, the headphones we’ve looked at all have a great sound.So have you made your choice? Ready to start singing?If you need more help with your singing, consider getting in touch with one of the many talented and experienced tutors on Superprof. There are three main types of singing tutorial available and each has its pros and cons so have a look at what's on offer and see what will work best for you, your learning style, and your budget.Face-to-face tutorials are between just you and your tutor. Since you're the only student, the tutorials will be planned around you, what you want to learn, and how you like to learn. Of course, this bespoke service comes at a price and face-to-face tutorials tend to be the most costly per hour of tuition. That said, they're also the most cost-effective since every minute in a tutorial is spent teaching you how to sing.Online tutorials are similar to face-to-face tutorials in that they're between a single tutor and a single student. However, thanks to the marvels of modern technology, you can be taught over the internet thanks to video conferencing software. However, since your tutor won't have to travel to you and can schedule more lessons each week, they can also charge more competitive rates.Group tutorials tend to be the cheapest per hour because the tutor's time is being paid for by everyone in the class. Unlike the other two types of tutorials, the tutor won't be able to offer bespoke tuition as they have several students to keep happy. However, if you and a few friends all want to learn how to sing, you can share the cost of private tutorials between yourselves in group tutorials.

Ratio Simplifier- Maths Online TutoringTutorpace

Ratio Simplifier- Maths Online TutoringTutorpace Ratio is the quantitative comparison between quantitates or numbers. Ratio is a very commonly used operation in mathematics. Ratio helps in solving questions related to comparisons, proportions and many more. The symbol of ratio is :. For example, a / b can be written as a : b. Here a / b is fraction form and a:b is the ratio form. The simplification of ratio is writing the given ratio in the most simplified from possible. Example 1: Are the ratios equivalent? 50 students taking Math class and 75 students taking English class. 30 students taking Math class and 45 students taking English class. Solution: Here for the given question the ratio is between the number of students taking Math class and the number of students taking English class. The first ratio given is Number of students Math : English = 50 : 75 Simplifying the ratio gives 2 : 3. The second ratio given is Number of students Math : English = 30 : 45 Simplifying the ratio gives 2 : 3. Therefor the two ratios are equivalent. Example 2: Simplify the given ratio 48 : 96 Solution: Here the given ratio is 48 : 96. Here the numbers 48 and 96 are divisible by 2. Simplifying the ratio gives 24 : 48. The ratio is further divisible by 3. Simplifying the ratio gives 8 : 16 The ratio is further divisible by 8. Simplifying the ratio gives 1 : 2 Hence the simplified form of the given ratio is 1 : 2

Simplifying Complex Fractions Online Tutoring Maths Help

Simplifying Complex Fractions Online Tutoring Maths Help Simplifying is a method to reduce or simplify a given expression to simpler form. Complex numbers are non-real numbers which are undefined on the number line. A complex number is of the general form a + bi, where a is the real part of the complex number and b is the imaginary part of the complex number. Here i is the representation of the imaginary numbers and has a condition of i2 = -1. A complex number written in the p/q form is called as complex fractions. Example 1: Simplify the complex number fraction 5 / (3 + i)? Solution: Given is the complex number fraction 5/(3 + i) Here the complex fraction has 5 in the numerator and (3 + i) in the denominator. To simplify multiply the numerator and denominator with the conjugate of the complex number (3 + i) which is (3 i). This gives 5 (3 i)/ (3 + i) (3 i) = (15 5i) / [(9 i2)] = (15 5i) /10 Hence the solution is 3/2 i/2. Example 2: Simplify the complex number fraction 6/ (2 + i)? Solution: Given is the complex number fraction 6 / (2 + i) Here the complex fraction has 6 in the numerator and (2 + i) in the denominator. To simplify multiply the numerator and denominator with the conjugate of the complex number (2 + i) which is (2 i). This gives 6 (2 i)/ (2 + i) (2 i) = (12 6i) / [(4 i2)] = (12 6i) /5 Hence the solution is 12/5 6i/5.

Basic Statistical Methods and Concepts

Basic Statistical Methods and Concepts Learn Everything from Probability to Wilcoxon Tests ChaptersWhat is Probability?How to Choose a Statistical TestWhen to Use Tests of AssociationTests of Comparison between MeansTests of Prediction using Linear RegressionTests for Nonparametric DataHow to Perform Statistical TestsLet’s face it, while data science was named the “sexiest job of the 21st century,” the majority of people still shudder at even the mention of statistics. The root of why this discipline has been so alienating throughout the course of its history can be found with its close relationship with mathematics.Whether you believe you can’t learn statistical analysis or are simply curious to learn more about it, this guide will help get you started by laying out the core introductory concepts.At the heart of statistics are the five essential concepts of statistics, and form the basis for data analysis. The first four can be dealt with without going into much detail about their equations:Mean: the average value, calculated as the sum of all observations over th e number of observationsMedian: the midpoint of the dataset, calculated by ordering all observations from least to greatest and taking the value directly in the middleVariance: the general spread of the data, calculated as the average of squared differences of the meanStandard Deviation: also a measure of spread, calculated by taking the square root of the varianceCompute statistical data easily | Photo by Jorge FranganilloMuch like witnesses in a detective novel, these four concepts start to tell you the story of a particular set of data because they are descriptive statistics. For example, if you look around at the people in any restaurant you find yourself in, it can be very difficult to build a narrative, or interpretation, about the kind of crowd you’re surrounded by based solely on appearance.Say, however, you are given information about their age, monthly income, level of education, gender, and taste of music. The first two concepts, the mean and the median, are both measur es of central tendency that can tell you whether your crowd is mostly twenty-somethings making their way through college or wealthy, elderly people that invest in hedge funds.The difference between when you use these concepts depends on the distribution of the variable that you’re measuring or, in this example, the amount of variability within the crowd. The more alike the crowd is, the more accurate taking the mean will be in telling your story; the more variation between the people are, the more accurate the picture you draw will be by taking the mean.The variance and standard deviation are both measures of variability and can tell you how different each observation in your data are from the average with regards to a specific variable.If you wanted to see how similar the crowd is in terms of age, you would start the computation by calculating the mean age and, by subtracting every individual’s age from it, find a number that tells you how far people are spread from the average . The standard deviation, on the other hand, gives you how  far or close your data is clustered around the mean based on a normal distribution.The standard deviation is exactly like the variance in terms of what it says about the spread of your data â€" in fact, the standard deviation is calculated by taking the square root of the variance. The difference lies in the fact that the standard deviation the descriptive measure that is easiest to report because it is in the same units as the original data, whereas the variance is not.You can test what you've learned in your statistics course so far by attempting some statistics practice problems online!Continuous: can take on any value, like heightDiscrete: are integers, like the number of childrenCategorical variables are qualitative and also fall under two distinct categories:Ordinal: has an obvious order, like a scale rating happiness from 1 to 10Nominal: has no meaningful order, like genderWhen to Use Tests of AssociationThese types of tests are meant for looking at the relationship between two variables. It is the closest you'll get to looking at causality between two variables. For example, you want to discover if there is an association between marital status and level of education. All of these test the strength of the association between two variables:Type of TestType of VariablesExamplePearson CorrelationTwo continuous variablesIf shoe size has an association with heightSpearman CorrelationTwo ordinal variablesHow strong of an association there is between happiness and economic statusChi-SquareTwo categorical variablesTo see whether gender and favorite color have any association AisvaryaData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors AdeyemiData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors AdenikeData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors ThanushanData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors GokhanData Analysis Teacher 5.00 (4) £30/h1st lesson free!Discover all our tutors OlawaleData Analysis Teacher £12/h1st lesson free!Discover all our tutors AisvaranData Analysis Teacher 5.00 (4) £25/h1st lesson free!Discover all our tutors Muhammad umairData Analysis Teacher 5.00 (2) £100/h1st lesson free!Discover all our tutorsTests of Comparison between MeansTests of comparison deal with looking at the differences between different variables by looking at the difference between their means. For example, you want to see if where one goes to school makes a difference on standardized test scores.Type of TestType of VariablesExamplePaired T-TestTwo related variablesThe difference between weight before and after taking new supplementIndependent T-TestTwo independent variablesThe difference in spending on gas between people Los Angeles and New YorkOne-Way Analysis of Variance (ANOVA)One independent variable with distinct levels and one continuous variableComparing the means of test scores from three different levels of educationTwo-Way ANOVATwo or more independent variables with distinct levels and one continuous variableComparing the means of test scores from both three levels of education and twelve different zodiac signsTests of Prediction using Linear RegressionPrediction tests are used to determine whether a change in one or more variables the change in another. For example, given data on gender, diet and income you can investigate whether a change in these leads to a change in height.Type of TestType of VariableExampleSimple Linear RegressionOne scale variable (dependent) with one or two scale variables (predictors)You want to see if and how well age and height predict weightMultiple Linear RegressionOne scale variable (dependent) with two or more scale variables (predictors)You want to see if and how well age, height, and income predict weightTests for Nonparametric DataThese tests should be performed when the data does not meet the assump tions for the other tests. For example, when the data does not follow a normal distribution and is highly skewed.Type of TestType of VariableExampleWilcoxon Rank-Sum TestTwo independent variablesBetween two different drugs, which one offers the best relief on two random, distinct groups of a populationWilcoxon Sign-Rank TestTwo related variablesBetween two different drugs, which one offers the best relief on the same group of patientsFriedman TestThree metric or ordinal variables (has to be either metric or ordinal)Three different ad ratings given by individuals in the same populationAddress your research question and experimental designHow to Perform Statistical TestsThere are several assumptions about the data you are using that are tied to each statistical test discussed. In order for the tests to run, be predictive and accurate, these assumptions must be held. Because the assumptions for different types of tests can be different, it is imperative to check them before you start t o model your data.The most common programs used for statistical analysis are:ExcelStataSASSPSSPythonRIf you are running tests for parametric data, there are four main assumption checks that your data will have to pass. However, it should be noted that each test has it's own different set of assumptions that should be checked beforehand, and that this list is simply the ones you will come across most often.AssumptionDescriptionIndependenceThe groups that make up the sample are independent of eachother.NormalityThe data in the set is are normal, meaning that there it follows a normal distribution.Homogeneity of varianceIf there are multiple groups in the data relating to your independent variable, they have the same variance.If you're looking for some extra help on these introductory subjects, there are many online resources you can use to build your skills. Tutoring websites like Superprof, or online webinar courses from R-bloggers can help you get started on crunching some numbers.

Happy New Year!

Happy New Year! From everyone at AJ Tutoring: we wish you a fantastic finish to 2019 and a beautiful start to 2020!For us, the holidays are all about community and giving back. At AJ, community is one of our core values, and we are proud to partner with the local community to provide free or reduced-cost academic and test prep tutoring to students of all backgrounds. Please find below a brief snapshot of what we’ve done recently.Last year we worked with over 1000 students on a pro-bono or reduced-cost basis.We partnered with 18 non-profit organizations to provide top-quality instruction to underserved communities.Our team spent 1400 hours volunteering in the local community. 45% of AJ team members participated in our company-sponsored volunteer projects.Through our outreach efforts, we have partnered with local nonprofits and school groups in order to provide:SAT/ACT prep classesHigh School Entrance Exam ClassesAcademic Homework HelpSeminars on navigating the test-taking processSeminars on Study S killsTeacher TrainingsStudent scholarshipsSupport of local community service effortsHere are just a few of our non-profit partners:SAT at Foundations for College EducationACT at Foundations for College EducationACT with AVID Los AltosSAT with AVID Mountain ViewISEE with Peninsula BridgeAcademic Homework Club with Peninsula BridgeAcademic Homework Club with Peninsula BridgeAcademic Homework Club with Peninsula BridgeWe look forward to another year of getting to know the Bay Area better and to furthering our educational mission! If you are interested in learning more about our educational outreach, you can reach out to AJ’s Social Outreach Director: Chelsea Greene!

Blue Pill or Red Pill Matrix Listening Exercise

Blue Pill or Red Pill Matrix Listening Exercise Im still hooked on watching classic movie clips on the YouTube Movie Clips channel. Today I came across one of my favorite scenes from The Matrix, where Morpheus offers Neo the chance to take the red pill or the blue pill.Its a great scene, and for English listening its got a couple nice phrasal verbs and expressions. Watch the video below, then see if you can answer the questions. Also, do you have any favorite movies youd like to see us use as a listening exercise? Let us know in comments.Answer the questions below in comments, and well respond.1. It is the world that has been ____ ___ your eyes to blind you from the truth. 2. Unfortunately no one can be told what the matrix is, you have to ____ ___ ___ ______. 3. After this there is no _____ ____. 4. What happens if he takes the blue pill? 5. What happens if he takes the red pill? 6. What popular story does Morpheus reference when he talks about the red pill? 7. Why do you think Morpheus makes his last warning, just before Neo tak es a pill? 8. Which pill would you have taken?