Friday, April 3, 2020

ACS General Chemistry Exam - What Are Some Factors To Consider?

ACS General Chemistry Exam - What Are Some Factors To Consider?Whether you're taking the ACS General Chemistry Exam for the first time or if you're preparing for it for the first time, you can rest assured that you're getting the best practice you can get with the questions you're asked. First of all, the questions are similar but very different from one examiner to another. Each person has a different chemistry background and environment, and a different way of going about the process.You can rest assured that if you study chemistry well enough, you will pass the ACS General Chemistry Exam. You can find answers to many of the commonly asked questions on the ACS website. However, you may need to consult with your local instructor. It's very easy to do because they will be more than happy to help you.The key is to be prepared for the exam. Getting in great shape before taking the exam will be a big help. If you can make the deadline for taking the exam, then you'll have the advantage of time.When you study for the ACS General Chemistry Exam, you will find that most of the tests will be multiple choice questions. The trick is to find out how to be more than proficient at it so that you can pass it. In this exam, you will be tested on the following concepts: acid-base mixtures, the existence of the oxygen molecule, inorganic and organic compounds, and reactions.A number of practice questions can help you to familiarize yourself with the questions on the ACS General Chemistry Exam, especially the ones that test your knowledge of elementary chemistry. Most likely, the questions will have some sort of general information, and then there will be questions on an action or reaction between two substances. The professor will normally provide you with a chart of how the questions will go.One important thing to remember about the ACS General Chemistry Exam is that it is not a slam dunk. There are a lot of subjects on the exam, and most of them are very difficult. You won't get perfect scores because you will have to study a lot to ensure that you have a solid understanding of the subject matter. One of the worst things about this exam is that your score is not as important as having a good review of the concepts you just learned.On the other hand, if you study well for the exam, you will be able to ace it. You don't want to take the exam when you're too tired, as it can cause you to forget what you were supposed to learn. Instead, you want to be fresh, so don't let the long week put you off going to class.

Monday, March 23, 2020

Algebra Equation Solver

Algebra Equation Solver Algebra equation is used to find the solution of algebraic equation. This tool is used to calculate the value of unknown variable by using the algebraic property, formulas and its rules. The complicated algebraic equation can be solved by this tool in a very less time. So this tool increases the speed of solving the equations. It can be explained and understood by taking the suitable problem and solving such to get the result. The similar relevant problems are shown below for the better understanding of the concepts of the algebraic equation. Example 1:- Find x if (x+24)/2=20 Solution :-First of all we will solve the equation by the use of cross multiplication. (x+24)/2=20 X+24=40 Now to solve this equation, we need to subtract 24 from both side of the equation, we will get, X+24-24=40-24 Therefore, X=16 is the required solution of the problem. Example2:- Find x if (x+3)/2=4/3 Solution 2:- First of all we will solve the equation by the use of cross multiplication, we will get (x+3)/2=4/3 3x + 9 =8 Now to solve this equation further that is finding the value of x , we need to subtract 9 from both side of the equation ,we will get. 3x+9 -9 =8 -9 Therefore, 3x = -1 Finally to get the value of unknown variable x, we need to divide the above equation by 3 both sides Therefore, 3x/3 = -1/3 So x = -1/3 In this problem, x = -1/3 is the solution of the equation (x+3)/2=4/3

Friday, March 6, 2020

Math tutors can help you in tough maths problems as well

Math tutors can help you in tough maths problems as well Math tutors can help you in tough math problems as well I do not remember when was the last time I had not hired a tuition teacher for myself. Tuition teachers form the base of any learning phase. With busy parents kids are left out with certain troubles of their own. They are unable to get that much help and care which is needed for their growth. Parents can help you to learn a subject in a much better way. When you are not able to get what parents teach you or may be when parents do not have enough time to teach their kids then you need the help of a private tutor. Private tutor helps in making your lives easy.The charges are less and thus being a parent you can enroll your child into any such institute and it will help your child to grow. The Math tutors that are available with Tutor Pace are well known and delivers the entire subject brilliantly.   A good teacher is very important for any student to learn and understand a subject better. When you have a good teacher by your side then things turn out to be easy and faster to adapt. Mathematics is a tough subject and thus an experienced teacher can bring you closer to success. An intelligent student can easily cope up with the tough subject but it becomes very tiring and hard for any weak student to get to know about the subject. It has various tough parts and thus need of a good teacher increases. Online tutoring is different than school education Since very initial days if you are under the proper guidance of an expert teacher then you have a strong base over the subject and it can also help you to work hard less in your middle school or at your high schools. But very few are that much lucky to have such a teacher by your side. Today with the increase in professionalism the increase in number of problems are found. Earlier the private tutors were fair enough and they used to teach in such a manner that it used to help the students largely. Math tutors a good grip over the subject and also knew the whereabouts of the student in a great way. With the advent of technology one of the best ways of learning is through online tutoring way. It is a new way of learning but is getting into the grip of a subject. Online tutoring needs the help of internet to perform any activity related with it. The online tutoring facilities help in making the work of a student decrease to a large amount. Mathematics has many variations in it and as a subject it is one of the most tough and interesting subject as well. The interest in the subject is due to the toughness in it. Online tutoring has lot of ways through which the entire process of learning becomes easy and accessible. Now it’s time to mend all the problems and know about the advantages that online tutoring can bring to you. Advantages of online tutoring courses The availability of good teachers is the most important benefit of an online tutor. Online tutors help in making the entire process of learning easy and accessible. The teachers who are appointed in the institute are very much experienced and thus the teachers make it a point to teach the students with full perfection. When you are under the guidance of a knowledgeably teacher then things turn out to be easy. The interview process through which the teacher has to go through is also very tough and this is the reason why only good teachers are appointed. The online teachers are available all round the clock. This is considered as a great help for the students who cannot bring out time for their studies in the crucial hours of the day due to various other activities. Online tutoring institutes helps in making the work to get conducted at any time. It depends on the student as to when they want to avail the classes. The classes and the math tutors are available as a student’s wish and need. This is considered as one of the best service that any institute can bring to a student. Benefits of online tutoring The one-on-one service is also available with online tutoring facility. When you have this facility of having a teacher beside you whenever you need them then it brings in a kind of self confidence which then makes the entire process of learning easy and smooth. The single teacher is appointed to teach and help a single student and with all the perfection the teacher does this. The teacher detects the problem that the student has related with the subject and then they frame out strategies through which the student can learn better and faster without much wastage of time. The qualification of the teachers is very high as compared to the private tutors that are present. The private tutors make it a point to teach within time limitation, but here in the world of online tutoring things are no so, the resistance of limitation over time is not there and thus for any student it is easy. The other aspect of online tutoring is that the charges for any of the service that they provide are very less as compared to any other way of learning. It is possible for any middle class family also to easily afford the expenses as in comparison with the service the charges are very minimum and stuck to ground level. Long list of features are found in the world of online tutoring. The online tutoring is the best way for any student in the present generation because of the fact that they all know how to handle internet. But the tough work is to choose from the long list of institutes that have spread all over the world. Tutor Pace is an institute that is very much renowned and also has a great amount of features that are more and different from the other institutes.

Thursday, March 5, 2020

Electromagnets and Electromagnetism.

Electromagnets and Electromagnetism. What is an Electromagnet, and How Does it Work? ChaptersWhen Did We Discover the Electromagnet?Recap: What is Magnetism?What is Electromagnetism?How Do Electromagnets Work?What Do We Use Electromagnets for?An interesting question to pose would be the following: what would the world be like if we didn’t have electromagnets?Whilst magnets themselves â€" and the magnetic field in general â€" are naturally occurring phenomena, electromagnets really aren’t. They had to be invented. And, given that these things combine an electric current with a magnetic material, they arrived in our lives actually relatively late in the history of things.Electromagnets are some of the most powerful magnets we have. And, because of this, they have become absolutely crucial to industry, technology, and all sorts of different everyday things that we have about our homes.And so, learning about electromagnets is not just wild, irrelevant theory, no. Rather, they are hugely useful â€" and can do things that only they can actually do. Not to mention the f act that the science of the electromagnet is pretty fascinating in itself.So back to that question: where would we be these days without the power of the electromagnet? The answer, honestly, is nowhere very much at all. We’d have no generators â€" and no possibility of power storage and power transmission â€" for example.But we’ll come back to that question later. Let’s take a little look at the theory of the electromagnet.Looking for a physics and maths tutor s1? Find one now on Superprof. PetarPhysics Teacher 5.00 (11) £40/h1st lesson free!Discover all our tutors MyriamPhysics Teacher 5.00 (13) £20/h1st lesson free!Discover all our tutors Dr parikhPhysics Teacher 5.00 (8) £40/h1st lesson free!Discover all our tutors RubenPhysics Teacher 5.00 (1) £15/h1st lesson free!Discover all our tutors FrankPhysics Teacher 5.00 (8) £90/h1st lesson free!Discover all our tutors JidePhysics Teacher 4.80 (5) £30/h1st lesson free!Discover all our tutors DorothyPhysics Teacher 5.0 0 (5) £40/h1st lesson free!Discover all our tutors RahulPhysics Teacher £20/h1st lesson free!Discover all our tutorsWhen Did We Discover the Electromagnet?Without the electromagnet, the chances are that we’d still be living in something a bit like the 1820s.This technology wasn’t invented until the 1820s, when two separate scientists â€" one in Denmark, and the other, William Sturgeon, in England â€" began playing with the interaction of electricity and magnetism. It was Hans Christian Ørsted (or Oersted) who first realised that an electrical current creates a magnetic field, whilst Sturgeon made the first, rudimentary, electromagnet.However, no-one knew quite how this coil of copper wire could produce a magnetic field for another century, almost, when in 1906 a French physicist started to tackle the problem. And with his theory of the magnetic domain, we came a step closer to knowing what on earth was actually happening in the middle of all that coiled wire.But this story mi sses two of the most important names in the history of electromagnetism. You might have heard of Michael Faraday â€" who discovered the principle of electromagnetic induction. Or of André-Marie Ampère, who showed that two parallel wires repel and attract each other depending on which way the current passes â€" and who gave his name to the amp (or ampere).Electromagnetism has, since then, been a technology that has gone from strength to strength, filling our world with things that we don’t even realise have such an importance.Let’s take a look at the science.Recap: What is Magnetism?The science of electromagnetism is based on the object of the magnet and all its related phenomena: the magnetic poles, magnetic force, and the charged particles which animate all this at a subatomic level.But do you remember what magnetism is precisely? We discuss it in detail in our article, What is Magnetism?, yet it is helpful to have a little recap here.Magnetism works because of unpaired elect rons. Whilst electrons are the particles that make up part of the atom, most materials have electron pairs with opposite charges. These charges are known as ‘spins’ and are conventionally known as ‘positive charge’ and ‘negative’.When electrons are paired, their respective magnetic moment is neutralised â€" meaning they have no magnetic force.However, when they are unpaired, they are not neutralised â€" and in properly magnetic materials, scientifically known as ferromagnetic materials, these electrons can all spontaneously point in the same direction, giving the material properly magnetic properties.This ferromagnetism is found in materials like iron and nickel. Electromagnets produce a strong magnetic field. PetarPhysics Teacher 5.00 (11) £40/h1st lesson free!Discover all our tutors MyriamPhysics Teacher 5.00 (13) £20/h1st lesson free!Discover all our tutors Dr parikhPhysics Teacher 5.00 (8) £40/h1st lesson free!Discover all our tutors RubenPhysics Teacher 5.00 (1) £15/h1st lesson free!Discover all our tutors FrankPhysics Teacher 5.00 (8) £90/h1st lesson free!Discover all our tutors JidePhysics Teacher 4.80 (5) £30/h1st lesson free!Discover all our tutors DorothyPhysics Teacher 5.00 (5) £40/h1st lesson free!Discover all our tutors RahulPhysics Teacher £20/h1st lesson free!Discover all our tutorsWhat is Electromagnetism?Whilst this is the way that magnetism works ‘naturally’, electromagnets work slightly differently. The discoveries of the likes of Ampère, Faraday, and Ørsted lay in precisely the realisation that this wasn’t the only way in which magnetism worked.Rather, they saw that electrical current flow also has a magnetic field. Ampère’s discovery â€" that wires with currents flowing in opposite directions attract each other â€" proved this.In electromagnetism, the whole of the wire through which the electricity is flowing becomes magnetized. This, again, is due to the electrons. But rather than just directed in a certain way â€" or arranged ‘inline’ â€" in an electric current the electrons are untethered from their atoms and flow along the length of the material. This provides the magnetic strength.Fundamental Interactions.However, electromagnetism â€" this combination of magnetism and electricity â€" is quite a lot more important than just the electromagnet itself.In fact, electromagnetism is actually described as one of the fundamental interactions that motivates all physical laws (the others being gravitation, weak, and strong interactions). And so electromagnetism is actually the force that keeps atoms together, it is responsible for light, and it is responsible for the bonding of chemical compounds.It is really a very busy thing, electromagnetism. And its discovery â€" as well as our ability to harness its power â€" has been a hugely important part of human’s scientific development.Find out about magnetism and electromagnetism here!How Do Electromagnets Work?But how do these things work, these electromagnets precisely? We’ve heard enough about the background, but how does an electromagnet per se function.An electromagnet works in pretty much the same way as a simple bar magnet. It has, like such a normal permanent magnet, a north pole and a south pole, which tend to reject the identical poles of other magnets. Again, in the same way, it produces a magnetic field â€" the same that you would be able to see with iron filings.However, the difference between an electromagnet and a normal one is that an electromagnet has a much stronger magnetic field. And, of course, you can turn it off and on by switching off the current. Both of these things make it part icularly useful.The Structure of an Electromagnet.As we discussed above, the physical reason for the magnetic force differs between a normal ferromagnet and its electromagnetic cousin. In the former, the electrons are aligned â€" yet, in the latter, the current of electrons that is electricity produces the magnetic field.So, wires themselves are magnetic, as Ampère showed. But to make an electromagnet, we use a more sophisticated method.This method is based on coils of wire. Take a cylindrical piece of ferromagnetic metal such as iron and wrap the wire coiling â€" usually made of copper â€" around it. As soon as you switch the electricity on, the current will run through the wire and will magnetize the metal in the centre â€" just like a permanent magnet.Switch the electricity off and the metal will cease to be magnetic.It’s that simple really. And you don’t strictly need the iron core â€" as the magnetic field that coil produces is already centred on the hole through the middl e of the coil. However, that iron core, or ‘magnetic core’, makes the electromagnet even more powerful â€" thousands of times more powerful.You could make an electromagnet yourself, if you wanted to. But be careful â€" and do it under supervision.What Do We Use Electromagnets for?So, let’s return to that question, what would the world be like these days if we didn’t have electromagnets? It really is a fascinating question â€" and we could perhaps phrase it better as what things wouldn’t we have if we didn’t have electromagnets?The answer is potentially quite long. But we can answer this question with reference to some of the most powerful and ubiquitous technologies that use electromagnetism. They are honestly everywhere. These things are all using magnetic fields.Electric Motors and Generators.An electric motor â€" that you’ll find in cars and all sorts of other machines â€" relies on the interaction of a magnetic field with an electrical current.These are made from a stator â€" a magnet around the edge of the motor that remains static â€" and a rotor, a rotating electromagnet that is almost identical to the coil described above.As electricity is put into the coil, the coil becomes attracted to the stator, which is then flipped so that it repels it. Consequently, the coil continually spins and produces mechanical energy.These, motors, by the way, are in everything from your computer to your headphones, your oven to your hard drive.Generators are identical, mechanically; they just work in the opposite direction.Transformers.Given that electrical power lines carry hundreds of thousands of electrical volts, before that electricity enters your toaster (which only needs some two hundred volts), it needs to be reduced in voltage. That’s what a transformer does.It works through the placement of two coils. That huge electrical voltage passes through the first coil. If you put a coil with fewer turns in it alongside it, the electrical current will jump across to the next coil â€" but will have a lower voltage.Without this thing, you wouldn’t be able to use any electrical equipment in your house.Magnetic Levitation.One of the coolest things people have done with electromagnets is magnetic levitation, or maglev. This is a transport system in which trains levitate â€" and can go faster more efficiently due to the lack of friction.This requires to sets of very strong magnets. One lifts the train from the rails and the other propels it done the track. Some sophisticated trains now use magnetism to avoid friction.

Improving Our Performance in the Workplace in 5 Simple Steps - Introvert Whisperer

Introvert Whisperer / Improving Our Performance in the Workplace in 5 Simple Steps - Introvert Whisperer Improving Our Performance in the Workplace in 5 Simple Steps PERSONAL BRANDING Personal Branding starts with how well you speak about YOU.  I want to help you accelerate your career by connecting you with your Free Instant Access to my eBook â€" The Definitive Guide to Creating and Using an Elevator Speech.  In this guide, I give you simple to follow instructions for creating a “wardrobe” of ways to talk about you â€" to leave a lasting impression. Get your copy now! Brought to you by Dorothy Tannahill-Moran â€" dedicated to unleashing your professional potential. Introvert Whisperer

Why Free Online Tutoring is a Better Option for Your Children

Why Free Online Tutoring is a Better Option for Your Children 0SHARESShare Tutoring bills are a matter of panic for any parent, leave alone e-tutoring bills. One or the other thing can be done to minimize the bills and improve the child’s grades at the same time. Why not try free e-tutoring for your kid and find the results for yourselves? What to do for that? Learn your child’s needs: Check what your child demands in his/ her studies. Not that every child requires regular tutoring sessions. The demands and learning needs differ. It can be just a boost in learning algebra or a minute’s help in doing Physics word problem. Regular sessions may not suit and it may hinder the extracurricular activities of the child. Your kid may better prefer a free online tutoring service that does not bother your child with steady one- one session, but provides a bit of help with the internet access in a local library. Children can learn better with free services, if their mind is bent towards learning along with other activities. What do these free websites offer: Free online teaching websites are mostly connected to the local libraries in association with regular online tutoring companies. They render the same features as other web based learning sites message boards, databases, search functions, printable, calculators and   free tutoring .They have prerecorded video tutorials that offer a readable and well set lessons. The students can search the tutoring links to the search engine offered. In case, you need help, you can approach a free tutoring online expert. Learning Math through free tutoring websites: Math is not a riddle, if you approach proper free sites to learn Math. A probability or calculus question can be clarified with the tutoring links in the free website options. Games, flash cards and other activities related to Math can be introduced to the kids who show less enthusiasm and more reluctance to Math, taking Math assignment as a chore. Give them the free access to free online math tutoring facilities and allow them to learn Math by themselves. The sessions are theirs as there is no compulsion. They can work wonders by sharing the printable and other tutoring options to grasp the fundamental aspects of Math. Find the free workbooks in web based tutoring sites and work on them to improve your math knowledge- most of them are free for your perusal. Similarly you can access the free lessons in your areas of Math and read the explanations and worked out sums to enhance your knowledge in the concerned aspect of Math. Free e tutoring is ideal for students emerging from middle income groups for the benefits they offer. [starbox id=admin]

Travel English Classes A Guide to Spoken English in Scotland

Travel English Classes A Guide to Spoken English in Scotland Scotland is known for its men in skirts and the Loch Ness Monster. However, there is more to the country than this. It also offers an English vocabulary that is rich with Celtic sounds but is ultimately a unique form of spoken English that can be difficult if you are traveling.Here is a short guide to the English spoken in Scotland if you are planning a trip there:Key word: Haggis This is Scotland’s national dish. It is a type of sausage made with minced meat of a sheep’s heart, liver and lungs. Onion, salt and oatmeal are added to give it taste and texture.Social Aye means yes.If you are told wheesht! it means be quiet!Havers means nonsense.If someone is bad-tempered they might be called crabbit.A stupid or silly person might be called galoot.To become excited or agitated is said to get het up.To complain is called to girn.An unattractive person is called hackit.You will hear men being referred to as jimmy.Women are referred to as hen. This is also a term of endearment.A boy and girl might also be called lad and lassie respectively.You will also hear a baby referred to as bairn.Eating and drinking Cock-a-leekie is chicken and leek soup.A dram (of whiskey) means a drop (of whiskey).If you hear someone asking for a heavy in a bar, it means a dark beer.Clothes Trousers are often called breeks. A man’s flat cap is called a cadie. A kilt is the traditional knee-length skirt worn by men in Scotland. They are now mostly used at official ceremonies, like weddings.Random New Years Eve is called Hogmanay.A church is called a kirk. If something is beautiful you will hear it called bonnie.If something is small it is referred to as wee.Lakes are called lochs.A mountain could be referred to as a ben.As we learn the vocabulary used in Scotland, lets listen to one of the countrys biggest musical exports of the 1980s, The Proclaimers, singing their hit A  Letter from America. Enjoy the Scottish scenery in the video.