Organizing Your AP Chemistry Test Bank

Organizing Your AP Chemistry Test BankFor AP Chemistry test banks, it is very important to keep all your work organized so that you can find what you need quickly. However, if you are not an organized person then this could prove to be quite a hassle, and many students will find that they do not complete their tests on time and often go back over them several times before they get the hang of things.One of the most important things when it comes to organizing is making sure that you have all your books and supplies in one place. This means that you will be able to find them very easily and will save you a lot of time. You should also take time to consider which materials you will need and which ones you may wish to take out and donate.If you are going to spend a great deal of time studying for the test, then make sure that you will have everything at hand. You should make a list of everything that you will need and then organize these items into different categories. You should also make notes about what you have already used for a test, and why you wish to use this material for your next test.These are all important steps when it comes to keeping your test library organized. Not only will this make your life a lot easier, but you will also be able to find the answers to any questions you might come across as soon as you start the test. As you make your way through the various sections of the test, you will find that you are able to get yourself organised much quicker.Be careful when it comes to writing out your answers. Sometimes, this may prove to be a little bit of a challenge, especially if you are trying to use diagrams or graphs. However, if you use the guidelines you will find in the main test book then this should not be too much of a problem.Although it can be tempting to put this information in chronological order, it is better to use more of a haphazard approach and arrange the work in the order that you think it should be. However, when you get stuc k on a question, do not waste time and simply go back to the section where you are struggling with it. Instead, try to move onto another section and make sure that you know where to look before you start.Even if you are unsure about the material or are not confident enough to answer any questions, there is no harm in trying out any answers you can find. Many students will make use of external references, such as the A-Z of AP Chemistry, but this is also a good idea. A simple Google search will allow you to find a whole host of resources that will help you get your work in order.In order to ensure that you have everything that you need to study for your test, be sure to keep your AP Chemistry test bank organized. Not only will this make it easy for you to find the answers to the questions that you need, but it will also save you time and prevent you from spending too much time looking for material that you will not be using. You will be able to learn all about AP Chemistry and you wi ll also learn how to prepare yourself for the test.

Some Interesting Facts About NaOH H2O Reaction

Some Interesting Facts About NaOH H2O ReactionNaOH H2O Reaction is a chemistry wherein the water is dissolved in the container, the container becomes heated and this process goes on for a couple of hours till a reaction is done. This reaction happens only when the water becomes saturated with hydrogen gas (hydrogen gas is created when water is cooled and this gas is stored in a tank as oxygen)This molecular gas is free to enter other cells due to the presence of hydrogen. Therefore it is called 'NaOH' which means pure water. NaOH is usually produced by pouring boiling water into a bottle of cold water.The process is called as polymerization in compound organic chemistry. NaOH solution is made by adding concentrated sulfuric acid. This acidic solution is available in large supply and in recent times it has become affordable and easy to use.The main reactions of this reaction are reaction between the anhydride (hydrogen) and the reaction between the anhydride and the acetate (water). I t is one of the oldest chemical reactions in the world. This reaction starts at pH level 8 and moves up to an alkaline level of pH 4.This reaction takes place due to excessive heat of reaction. The product of this reaction is H2CO3 which is stored in tanks. To make the product of this reaction, these tanks must be hot enough to absorb the excess gas from the product.These chemical products are used for many purposes like as feedstock for the production of various chemicals, fertilizer, fossil fuels, and many other useful substances. When you go online, you will find a large collection of online websites that carry essential information related to this interesting reaction.There are other types of reactions, which are usually done in compound organic chemistry. The reaction between the hydroxide and the acid is done at pH level 8 and then moves to the alkaline level of pH 4. You can see the other types of reactions here.

Filtrate Definition - An Introduction

Filtrate Definition - An IntroductionFiltrate definition is the study of any substance in its molecular structure, as it exists in nature. The study of chemical filtration and identification is the basic responsibility of the filtration laboratory. This includes the act of gas chromatography, liquid chromatography, gas chromatography, radio-purification, ionization mass spectrometry, and gas chromatography/mass spectrometry (GC/MS). Through this study, the physical, chemical, and biological properties of the substances are determined.Chemical filtration can also refer to any of several types of chemical methods used to separate chemicals from other materials, such as volatile organic compounds (VOCs), water, and gases. VOCs are the leading contributors to airborne pollution. VOCs include gasoline, chlorine, diesel, and other petroleum products. Water filtration uses ion exchange to remove dissolved impurities. Gas chromatography utilizes vacuum energy to separate chemicals, such as p etroleum products, VOCs, and some metals, in water.Filtrate definition should not be confused with the word filtration. There are a number of different types of filtration methods, all of which must be used according to specific guidelines. A chemical filtration method will help identify the components of a substance, but will not provide knowledge of the nature of that substance.To further define filtrate definition, it is useful to think of the distinction between physical and chemical filtration. Physical filtration is the study of a substance in its molecular form. Examples of physical filtration methods include steam distillation, gas chromatography, and the carbon-based pump. The more common of these methods are the two mentioned above.Chemical filtration is used to reduce the amount of pollutants that enter the water supply, especially for smaller scale applications. It includes the use of purification technologies, such as reverse osmosis, advanced precipitation filters, and membrane-based systems. These chemical filtration technologies, such as membrane-based systems, have also been found to be effective in eliminating contaminants not found in smaller scale applications.Chemical purification is used in public water treatment facilities for flushing out chemical contaminants before using them in water supply applications. One of the latest and most popular chemical purification technologies is the ion exchange. This technique takes advantage of the surface tension between oxygen and molecules, to carry out chemical purification.Chemical purification technology can be used to remove pollutants before they reach public water supplies. In some cases, it can also be used in private water systems to improve quality and remove chemicals that cause illness.

System of Inequalities

System of Inequalities A single inequality of one or two variables can be solved by plotting the inequality on a coordinate plane and graphing the line. The solution set for an inequality is the entire region which satisfies the given inequation. System of inequalities consist of more than one inequation and in order to find its solution set we should graph all the inequalities on the coordinate plane. After shading the region for each inequality, the common shaded region of all the given inequalities is the solution for the system of inequalities. Example 1: Solve the given system of inequalities: x + y -1 and x 0. Graph the inequality, x - y -1 treating it like a general equation. Similarly graph the inequality x 0. Now, shade the region of the given inequalities according to their signs. The green line represents x y -1. The red line represents x 0. The common shaded region is the solution of the given system. The shaded region continues till the end of the straight lines. Example 2: Solve the given system of inequalities: x + y 4, x 2 and y 0. Graph the inequality, x + y 4 treating it like a general equation. Similarly graph the inequalities x 2 and y 0. Now, shade the region of the given inequalities according to their signs. The red line represents x + y 4. The green line represents x 2. The blue line represents y 0. The common shaded region is the solution of the given system. The shaded region continues till the end of the straight lines.

How Should I Practice Guitar

How Should I Practice Guitar Jill Cole Whether youre just learning how to play guitar chords or youre on your way to being a virtuoso, every guitar player needs to practice. Take these tips from guitar teacher Dee F. to create your perfect practice plan Now that you have decided to learn how to play guitar, you wonder…how can I get the most out  of my lessons? The answer is…practice, practice, practice! Practice What You Are Assigned If your teacher asks you to practice a certain warm-up exercise three times at each practice session, do  exactly that. If you are supposed to complete a written assignment on theory, don’t wait until the last  minute to do itâ€"try to do it right after the lesson when the concepts are fresh in your mind. Always ask  questions if you do not understand what to practice. Check your assignment book so that you always  follow your lesson plan, and come to the next lesson prepared to play what was assigned. Highlight or  mark any notes in a song that are difficult for you. Mark repeat signs, dynamic signs, etc. that you need  to remember to observe when practicing your assigned music. Practice In The Best Environment Choose a quiet, undisturbed area in which to practice (you don’t want to practice in the living room with  people watching television!) Make sure you have your lesson books at eye level when practicing (it is  best to place music on a music stand, but a table will work as well); and a straight back chair to support  your back. Sit with your feet flat on the floor, back straight. Choose a time during the day when you can  best concentrate. For many students who need a regular routine, a set practice time during the day  works best. For some students this may be before school; busy adult students may split their practice  day into 20 minutes in the morning, 30 minutes in the evening, for example. Many students use a timer  or a watch to keep track of their practice time. Record Your Practice Time My students are given a monthly practice chart for their own use; they place a check on each day when  they meet their daily practice amount, or write in the amount of time they practice on the monthly  calendar. I write in their goals for practice minutes. Yes, I do give out rewards for younger students for  monthly practice goals that are met! This motivates students, and is fun! The goal is to practice every  day. In our busy world, for many students this is not possible. My expectation is to practice at least 4  times a week; for students age 5 to 7, 10-15 minutes a day, depending on aptitude; for older beginning  students, 20-30 minutes a day; for intermediate to advanced students, 30 to 50 minutes a day. Adults  should practice 50 to 60 minutes a day for optimum results. A performance recital, special performance  for friends and relatives, and perfecting or memorizing a challenging piece of music helps motivate  young adults and adults to practice. Younger students, in addition to preparing pieces for recitals, may  ask their school music teacher to play a song that they perfected for their school class in General Music.  When I taught General Music for a school district, a monthly “Mini-Concert” was held for classes Grades  1-5 for students who wanted to play or sing a special songâ€"students anticipated the last 20 minutes of  class once a month for this opportunity to shine! High school students have informal, and formal,  opportunities to perform as well. These goals help students prepare and maximize practice for a  concert or recital. Practice The More Challenging Parts Always save the tempo for lastâ€"correct notes, rhythms, fingering, dynamics, and expression come first.  Practice a challenging part in a song first, and repeat it very slowly and correctly, counting to yourself,  until the notes and rhythm are perfect. When you get it perfect, leave it aloneâ€"or try to practice until  at least some aspect is correct! Isolate the problem area, and work on it the most. Write notes to  yourself in pencil on the musicâ€"mark repeats, dynamics, etc. with a highlighter to remember to be  consistent in observing all the markings in the music. Always study the musicâ€"the key signature, time  signature, dynamic markings, tempo, notes, and rhythms before starting to practice. Count to yourself  before starting to establish a steady beat and tempo before starting the song. Remember, it is okay to make mistakesâ€"this is how people learn! Even the most accomplished concert musician makes  mistakes. Always try your best, and be patient with yourself. You are learning a life-long skill! Dee F. teaches  accompaniment, acoustic guitar, arrangement and composition, bass guitar,  classical guitar and vocal training  in Scottsdale, AZ.  She received her Bachelor of Music Education from  Montana State University, as well as many other certifications and awards.  Dee was a public school music educator for over twenty years and has taught students since 1983.  Learn more about Dee F. here! 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  Will Foster

5 Tips to Improve Your SAT and ACT Scores

5 Tips to Improve Your SAT and ACT Scores 0SHARESShare Follow the tips to crack SAT and ACT exams with high scores- Choose SAT and ACT test according to your strengths: The students who have a strong memory, fast reading and ability to process information fast should opt ACT text. On the other hand, the students who are strong readers, possess strong vocabularies and enjoy test taking strategies should take the SAT test. Hence, identify your strengths and choose the test accordingly to achieve great success. Plan Strategically: You plan out test preparation strategies, targeting study and practice of each section. Typically, the test includes critical reading, Math and English reading and writing. Plan how much time you will devote preparing and practicing each section. Use online test preparation services that are free or charge you a nominal for test prep. You can seek guidance from online tutors. Make a habit to prepare notes: Form a habit to jot down key concepts, Math formulas, vocabulary etc. Make a note of important points and formulas along with correct application problems. Your notes will help you in memorizing and revising things that you have learnt. Take a practice  SAT and ACT test: Taking practice tests will give a better idea on how well you attempt each section in stipulated time thereby analyze your performance? A lot of test preparation websites and college websites offer sample SAT and ACT  tests. You can practice help from online tutoring, local or online tutor and even purchase test preparation books. Keep your mental efficiency: Above all said tips will be only useful if you are mentally peaceful. It is very essential that you take good sleep at night. 7-8 hours of sound sleep at night gives adequate rest physically and mentally. Often students who skip night sleep may feel clumsy during last preparation. Try out these tips to score better in SAT  and  ACT tests. All the best! [starbox id=admin]

Directly Proportional

Directly Proportional Directly proportional means two variables that increase or decrease at the same time. If two variables are proportional if a change in one variable is accompanied by a change in another variable. We can also say that if two quantities are said to be in proportional then one quantity is a constant multiple of other quantity. Two quantities a and b are said to be directly proportional, if the relationship can be written as a = k b where k is a proportionality constant. Problem 1: The term A is directly proportional to x. And when A is 12, x is 4. Find the value of A when x is 10. Solution: Since A is directly proportional to x. = This can be written as A = k x, where k is proportionality constant. = Given When A is12, x is 4 = Find out constant from the known values A = k x = 12 = k * 4 = By dividing 4 on both sides, we get k = 3 = When x is 10 then A = k x = 3 * 10 = 30 = Therefore, when x is 10 the value of A is 30. Problem 2: A term Y is directly proportional to the square of x. And when Y is 24, x is 2. Find the value of Y when x is 5. Solution: Given Y is directly proportional to x^2. = So, Y = k x^2 = Substitute the given values (Y= 24, x = 2) = Y = k x^2 = 24 = k* 2^2 = 24 = k * 4 = Dividing by 4 on both sides we get k = 6 = When x = 5 then Y = k x^2 = 6 * 5^2 = 6 * 25 = 150 = Therefore, when x is 5 then the value of y is 150.

How To Become An Accountant

How To Become An Accountant How To Start Your Accountancy Career? ChaptersThe Qualifications to Become An AccountantHow Long Does It Take To Become An Accountant?What Salary Can You Expect As An Accountant?Where Can You Work As An Accountant?You might be at that point in your life, maybe after university or even later, when you are considering and weighing the career options that you may take or turn down.If you choose accountancy, you will be joining a workforce of more than 350,000 people in the UK.However, you might still be at that crossroad, where uncertainty and the constraints of life can cripple your decision making power. So let's see why anyone would want to become an accountant.First, you have to forget the preconceived notion that all accountants are maths genius. These days accountancy softwares do much of the number crunching for you.Secondly, you have to understand that accountants are needed in every single industry existing on the planet. Finance professionals are required by everyone, from fashion designers to film-makers, from re al-estate moguls to non-profit organisations.Better than a passport, a membership to bodies such as the Association of Chartered Certified Accountants, will offer you job opportunities everywhere in the world. Think about the major commercial hubs on the planet: New-York, Frankfurt, Tokyo, Zurich, Hong Kong, Chicago or Singapore.Accountancy is also one of the rare profession that is  not endangered by automation. Yes softwares and AI are getting better and reducing the time you spent crushing numbers, but this mainly means that you will have more time to meet and consult with your client,   advising on financial strategies.You will also have a secured job. Recessions in the past decades have taken their  tolls in term of downsizing and company restructuration but the financial department, being the one that advises on how to go through such harsh times, is also the one that is the less emperiled when times are tough.If you have not yet decided if becoming an accountant would be the right move for you, let's delve  over the question further.Accounting studies are long and laborious but at the end, the potential compensation is worth it.If you work in the UK, all those tax returns will be sent to HMRC (Her Majesty's Revenue and Customs), which by the way, employs thousands of public accountant to help the government calculate and collect taxes all around the country.Besides governmental agencies, many UK businesses need accountants: colleges and universities, retail stores, health care providers or even the hospitality industry. Even self-employed people such as doctors, nurses, lawyers or actors may need your expertise in making sure that their tax return is accurate.But working as an accountant is much more than filing tax-return, even though the end of the fiscal year period, from January to March, is known in the industry as the busy season.These days accounting firms make most of their through consultancy. The job has evolved, accountants  are no longer str aightforward bookkeepers that make sure all invoices are issues, paid and filed.Anyone can use an accounting program to do that but what most people and almost no software can do, is analysing reports and see what are of a company can be financially more efficient.Forecasting, taxation, budgeting, payroll reporting,   audit or financial reports, are all services any modern accounting firm will provide its customers meaning that each firm as many different specialisations.For example, forensic accounting focuses on the examination of businesses financial records and statistics to ensure that no fraud has been committed, implying a thorough knowledge of government regulation. As a forensic accountant, you will be more likely to work for the government or law enforcement agencies.Or you could specialise in corporate accounting if you hold the right accounting degrees and you would be in charge of  preparation of their final accounts and cash flow statements and well as the analysis and interpretation of a  company's financial results.If you have a very analytical mind, maybe you would be more suited as a certified internal auditor, review a company global risk and control management and improving its financial reliability, compliance with regulation and overall effectiveness.If you are looking for a job, remember the Big Four (accounting firms): Ernst Young, Deloitte Touche, KPMG and PricewaterhouseCoopers (PwC). Combined those four firms audit more than 96% of the 350 biggest British companies and employ more than one million people.Counting money used to be the main occupation of accountants but this has been replaced by consultancy.In any case, accounting might have changed from a simple bookkeeping role a century ago to a multi-national corporation valuation auditing effort today; it remains a pivotal profession to the world of business.

French Grammar Rules Distinguishing Between Imparfait and Passé Composé

French Grammar Rules Distinguishing Between Imparfait and Passé Composé Megan L. French grammar guru  Carol Beth L.  is back on the blog with this guide to the  passé composé,  the  imparfait, and when you should use each of them If youve been studying French grammar long enough, you may know that French has two different forms of the past tense: the passé composé (composed past) and the imparfait (imperfect). It is sometimes difficult for those who have just learned them to distinguish between situations that require the passé composé and situations that warrant the imparfait. There are patterns, however, that can help you tell when to use each one. Generally speaking, the passé composé is used for things that happened only once in the past, and that happened at a specific time, not over a duration of time. If you want to talk about the one and only French lesson last happened last Thursday, for example, then you doubly know that you should use the passé composé. It happened at a specific point time (last Thursday), and there was only one such lesson on that particular Thursday. So you might say: Jai eu mon cours de francais jeudi dernier. I had my French class last Thursday. If your teacher asks you if you did your homework, then you probably also both know which homework that was, and either youve done it or not. If you did do it, you hopefully only had to do it once. So if youve done it, youd probably say: Oui, jai fait mes devoirs. Les voici! Yes, I did my homework. Here it is! A side note in this example: “devoirs,” or homework, is plural in French while the English version is singular. As a result, even though it may seem odd to us English-speakers, it is correct to use the plural possessive pronoun “mes” and the plural object pronoun (and under some other circumstances plural article) “les.” Or, you might hear your less diligent doppleganger say: Euh, alors, mon chien a mangé mes devoirs. Ahhh, well, my dog ate my homework. The imparfait, on the other hand, is usually used under different circumstances. The first common situation is a repeated action in the past. Au lycée, je faisais mes devoirs tous les jours. In high school, I did my homework every day. Aux années soixante, il visitait la France tous les ans. During the 60s, he visited France every year. The second common situation is when one enduring event or action is happening, and something else happens during the first one. In this case, the surrounding, more long-term event takes the imparfait, and the interrupting event takes the passé composé. In this sort of situation, the event that is conjugated using the imparfait might under other circumstances require the passé composé â€" sometimes even in an adjacent sentence. Mais cest vrai, jai fait mes devoirs hier soir. Pendant que je faisais mes devoirs, mon chat a sauté sur la table et a marche sur mon travail. But its true, I did my homework last night. While I was doing my homework, my cat jumped on the table and walked on my work. Pendant que nous dinions, ma mere a appelé. While we were eating dinner, my mother called. Lets look at a few examples and see if you can tell whether to use the imperfect tense or the passé composé. 1) Lannée dernière, je (j) __________________ (visiter) la France. Last year, I visited France. 2) Pendant que je (j) __________________ (être) en France, je (j) __________________ (rencontrer) une vieille amie. While I was in France, I met an old friend. 3) Quand nous __________________ (être) petits, nous __________________ (jouer) sur le meme equipe de football. When we were little, we played on the same soccer team. 4) Pendant notre séjour, nous __________________ (voyager) a Strasbourg, une petite ville alsacienne a la frontière allemande. During our stay, we travelled to Strasbourg, a small Alsacien town on the German border. 5) Pendant que nous __________________ (rester) a Strasbourg, nous __________________ (visiter) la Musée dAlsace. During our stay in Strasbourg, we visited the Museum of Alsace. How do you think you did? Here are some answers to check yourself: 1) ai visité (passé composé) 2) étais (imparfait); ai rencontré (passé composé) 3) étions (imparfait); jouions (imparfait) 4) avons voyagé (passé composé); 5) restions (imparfait); avons visité (passé composé) How well did you do? If you missed some of them, dont be discouraged. Keep looking for examples and practice using them. While there are general rules you can use to figure out which one is appropriate, it takes time to internalize the logic of a new language. Remember to keep it fun and enjoy studying French! For more help learning French grammar, study with a private tutor. Tutors are available to work with you in-person or online via Skype depending on your location. Search for your French tutor now! Carol Beth L. teaches  French lessons in San Francisco, CA. She has her Masters in French language education from the Sorbonne University in Paris and has been teaching since 2009.  Learn more about Carol Beth here! 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 via Wikimedia Commons