A Closer Look At The Different Types Of Ar Chemistry Experiments

A Closer Look At The Different Types Of Ar Chemistry ExperimentsOnce you get into chemistry, you'll start to see that there are many different types of experiments and techniques for science. In this article, I'm going to outline some of the more common types of chemistry projects and offer a few tips for conducting them.The most common type of experiment is one where you examine how things work with an apparatus. For example, if you were studying atoms in a chemical equation, you might start by looking at how the various atoms interact. You could then use the interaction between atoms to predict how a substance might react when exposed to certain temperatures. The reaction would be monitored through a change in the pressure and temperature of the solution, and you could compare the predicted changes to the actual changes in the solution and analyze which reactions took place.Other types of experiments have to do with more complex systems. If you're studying how different species int eract with each other, you might want to check out how the environment affects them. This can include studying how hormones interact with plants, or studying how birds respond to external stimuli. An important part of these studies is to make sure that you properly monitor all variables, so that you don't make any mistakes. You also want to consider variables like weather, cloud cover, and humidity.Another common type of experiment is one that involves testing a reaction using chemical. To conduct a chemical reaction, you need a chemical compound and a catalyst. Usually, the catalyst acts as a mediator, allowing the compound to combine with the catalyst to produce the chemical reaction that you're testing.If you want to test how different chemicals interact with each other, you can try to get a 'positive' reaction using different types of chemical compounds. For example, you could test zinc oxide, silver nitrate, and phenol by mixing them in a container. You could also try several d ifferent compounds on separate groups of mice, or different types of substances on a single group of mice. You could even try many different types of compounds on a single sample of something like urine, which has some properties in common with all of the compounds tested.Finally, if you want to test how well something absorbs another material, you can use a similar approach. You could look at how the reaction between sodium carbonate and calcium chloride works. You could have different types of solutions tested under different conditions. You could also study the response of different materials to different types of media.The types of experiments you perform are determined largely by the type of result you want to see. If you want to find out how well something absorbs another substance, you might want to make a mixture of a substance and a catalyst. You could then attach a drop of water to the drop of the catalyst and see how long it takes for the water to go through the media. If you want to know how well a substance absorbs another substance, you might put different mixtures of substances together to find out if the compounds would attract each other.These are just a few examples of the different types of experiments you can conduct in chemistry. Each of these tasks requires a different set of skills and training.

Why Do Tutoring Sites Not Use PayPal?

Why Do Tutoring Sites Not Use PayPal?I have been paying attention to the many tutoring sites that do not use PayPal for payment and have been trying to figure out why this is. Does this mean I am getting screwed?Of course, if you go to any PayPal site and log in, you will see it all. No PayPal, no credit card, no orders or shipping information, and all transactions that way. It would appear that the major tutoring websites do not use PayPal. What does this mean for me?Well, my question is, if tutoring sites that do not use PayPal do not have payment methods, how can I find a good provider? The only way to do this is to investigate various tutoring sites yourself and compare prices. PayPal takes a cut off the final price for each purchase and that is where the savings come from. So, even if they do not use PayPal, if the cost of shipping is less than the full price of the item, then I am saving money.If they have additional charges for hours spent, times are worked, or other such char ges, then I can save a little money too. The thing is, if you have a problem with credit card fraud, these extra charges should not apply to you, because if you pay by check, then all of your purchases are final. Any time your PayPal or credit card processor gets billing information that is not your own, it is an illegal transaction.Then there is the problem of ordering from a PayPal site, because if you get caught in a false identity scandal, then the large tutoring companies will cease to be legitimate tutoring institutions and you could end up losing your certification, credit rating, and employment as well. The PayPal websites are less important for a few reasons.First, PayPal is not very user friendly. It is not intuitive, it does not allow you to purchase items without having a credit card number, it does not allow you to make purchases online, and of course, if you pay online, there is an extra fee, so if you are looking to buy stuff and pay online, PayPal is not your best be t. Besides, there are other options that do not require that you provide any kind of information. PayPal's privacy policy is horrible, so I am not going to waste my time with them.That leaves PayPal, which is a great service to use when you want to pay someone in person. But if you are looking for a big tutoring organization, PayPal is not a good choice, and as you can see, it costs nothing for me to avoid paying any extra charges.

Help With the Fundamental Theorem of Algebra

Help With the Fundamental Theorem of AlgebraIf you are struggling to find some help with the fundamental theorem of algebra, then this article should help. It is helpful to think about what the theorem of algebra is in order to see what problems you might have with it. In this article I will briefly outline what this theory says and then go into a bit more detail about solving it.So first of all, what is the theorem of algebra? Well, the theorem states that all relations can be written in a single form as pairs of numbers. Here I am assuming that we can choose a relationship, in which we have more than one number. The two numbers in the pairs will have to be integers or real numbers. So now we know that two numbers can be written as pairs and that a single relation can be written as a pair of numbers.This was useful information, but how do we go about finding out if we need help with the fundamental theorem of algebra? There are many ways to check and see if a relation holds. The sim plest way is to create an empty pair, and then check if you can match up the two sets.Let's say we have two sets called A and B. Here A has a certain property called H and B has another property called I. These are known as well-defined properties and you can consider them your own set. Then if A matches up with me, then we say that we can compare these two sets and they are equivalent to each other.But what if A does not match up with me? Well, if A is empty, then you can't create a whole new set from it, so you can't use it as a comparison.Now let's say A is empty, but there is another one, that is not equal to I. You can make a new set called B from this relation. Then you can compare these two sets and say that they are equivalent. We can also use these equivalence relations to help us understand what the theorem of algebra is.The fundamental theorem of algebra states that two sets of relationships, which are equivalent, are equivalent to each other if you can always create a ne w set by taking the relation from A to B. We have seen this from the earlier example, but what does this say about what does the relationship between A and B actually mean? Well, it can be defined in terms of the properties of the two sets. For example, if you start by saying that the set B is just like A, then you can use these equivalence relations to define the relationship. Then you can apply these properties to the values of the pairs to get the pairwise relations.

Organic Chemistry Tutor Chalkboard - Chemistry Classroom Or Laboratory

Organic Chemistry Tutor Chalkboard - Chemistry Classroom Or LaboratoryAn organic chemistry tutor chalkboard is a combination of different components that are ideal for classrooms and laboratories. It has a white board where an instructor can record notes, test answers, and grade assignments. This allows for easy tracking of notes and test answers. The notebook type of chalkboard is perfect for marking on a whiteboard so that the instructor can refer back to the whiteboard when it is needed.This combination features a computer, a laptop or tablet PC, and an online chemistry tutor. When the instructor first begins teaching a class or lab, they have the option of either getting online and receiving instant answers or choosing to have the instructor physically contact students to ask for answers. The use of online chemistry tutor gives the instructor the option of testing the methods he teaches, including writing and recording notes, taking test questions, grading assignments, and even p roviding feedback on tests.With online chemistry tutor, the instructor and the students can collaborate in real time. This allows for easy feedback on the methods used and the actual class work can be reviewed and discussed. While online chemistry tutor can provide instructor and student feedback at any time, the instructor can discuss things that pertain to the online labs or classes. The tutor has access to all of the lab manuals and lecture notes, which he can review again during the work day.This online chemistry tutor includes a hyperlink to the class website, allowing the instructor to see when the tutor is available and which textbooks to download for certain topics. A hyperlink also links to lab manuals, notes, quizzes, and assignments.An online chemistry tutor provides grading options such as a grade point calculator, short-answer sheet, and a student report. It also features an automatic calendar feature, complete with reminders to complete exams, to keep students on track . The assignment calendar allows students to know when assignments will be due and for how long.The online chemistry tutor also includes all of the materials necessary for the laboratory or class, including the lab guide, projects, notes, and lesson plans. When it comes to class material, there are no issues with materials, because the online chemistry tutor will provide all the materials needed. The classroom has a host of internet programs, including textbooks, projects, quizzes, lesson plans, assessment tests, study guides, and even websites and blogs to help students learn more.Whether online chemistry tutor is used in a traditional classroom setting or a lab, it makes a difference to both the instructor and the students. They have easier access to teachers, standardized tests, and labs, and students have access to all of the resources needed to learn chemistry.

What to Know Before You Buy Drums

What to Know Before You Buy Drums What You Should Know Before Buying Drums ChaptersDifferent Types of DrumsWhat Are the Best Drumsticks?What Are the Best Drum Kits to Buy?How Much Does a Drum Kit Cost?How to Tune a Drum KitA Guide to Drum Kit MaintenanceMaybe you were one of the lucky ones who got to see Rush in concert before Neil Peart retired.Or perhaps you’ve read the discussion boards of whether Lars Ullrich is or is not a good drummer.It could be that you or someone you know is taking drum lessons!In any of these cases, your fascination with percussion is evident.What Superprof is going to do is feed it a meal of facts, figures and fabled drummers, all with the intent to help you finally get the kit you’ve always dreamed of.Do you have a concrete idea of the kit you want? Then maybe Superprof can help you flesh out your drum set; maybe with eclectic percussion instruments or perhaps by helping you choose the right stick.drum mimics human speech.Gongs of AsiaIn Asia is where the cymbal came to prominence. Sure, they had their drums: war drums in Ch ina, ceremonial drums in Japan...You might say that the drums complement the cymbals! Or is it the other way around...?Either way, gongs and cymbals take centre stage in traditional Asian music.Today, the Asian influence prevails in the name of the Big Three cymbal companies, all of which originated in Asia:Zildjian â€" over 400 years in the business!Sabian: an offshoot of Zildjian, founded in Canada by the brother of Armand, who became CEO of the companyRobert nevertheless made use of the Zildjian technique for cymbal-making!Paiste: an Indo-European company founded in EstoniaAnd, of course, some of the finest cymbals on the market, the Istanbul Mehmets, are made in Turkey!Naturally, we have to include Meinl in the big cymbal names, but this company got its start less than 100 years ago, in Germany.Drumming in EuropeThe art of drumming remained essentially unchanged for over a thousand years until the snare drum was created in the 15th century.Its use, particularly by the military, revolutionised drum making and drum playing!Drum rudiments, the paradiddle and the drag among them, seem to have developed with the snare drum.As military campaigns became further-reaching, so too did the influence of snare drums, until they became ubiquitous.Today, they are essential for any jazz, rock or marching band!What are you going to beat yours with?The type of drumstick you play with will affect your sound and your playing Source: Pixabay Credit: PexelsWhat Are the Best Drumsticks?Categorising anything as best is, in principle, a subjective affair.And when it comes to drumsticks... so many variables go into the choice of sticks you use to beat your kit with!What type of music do you play?What level player are you: beginner, intermediate... advanced?What size are you? â€" nothing implied in that question; stick diameter and weight is important in selecting the right stickWhat sound are you looking for?What kind of kit do you have?A good drummer would have a stick bag replete with an assortment of drumsticks: oval heads and round ones; teardrop-shaped and barrel-shaped. Nylon-coated or pure wood...Each of these tips, along with the anatomy of the drumstick will affect what sound your drums make and how they respond to your playing.Furthermore: most sticks are made of either hickory wood, oak or maple; each type of wood brings its own properties to your sound.You can drum quickly with maple sticks because they are light, but they would not stand up to heavy rock drumming, for example.The rule of thumb for beginners is to learn to play with a set of 5A hickory sticks. They are of average weight and mid-sized diameter, and absorb vibration well.From there, you may opt to go for a heavier stick or one made out of nylon-coated graphite â€" a much lighter material that helps forestall fatigue.And then, you might experiment with brushes and mallets, just to see what kind of sound you can coax from your kit!time and patience.While some instrument techs advocate tuning your snare and bass drum first and then ranging the toms within that pitch spectrum, others insist you should start with the smallest drum and work your way through the sizes, finishing with the kick drum.Either way, you will start with your snare!One important distinction between tuning this drum and the rest of your kit is that you will tune the batter head first, and then the resonant head.With the other drums, that order is reversed.When tuning your drums, remember that you are tuning the heads to the tone and pitch of the shell â€" see what we mean by needing a good ear?You should tap the side of the drum with a stick as often as necessary to internalise its tone, and then, using the drum key, turn the tension rods in quarter-turn increments until the drum head makes a complementary sound.Always remember to work diagonally: work with the tension rod closest to you first, and then the one opposite to it.Never travel the circumference of the drum, loosening or tightening as you go, unless you are replacing the drum head!The best drummers agree that you should tune your drums before you play them, whenever there is a change in condition â€" from hot to cold or after they travel; and whenever you change the drum head.In fact, tuning should be a part of your regular drum maintenance!A drum key is vital to the proper tuning of your drums! Source: Wikipedia Credit: AlnoA Guide to Drum Kit MaintenanceAlthough drums exist for the purpose of getting beat on, that doesn’t mean that you shouldn’t treat them with loving care!Some drummers seldom/never bother to take on extensive drum maintenance and we daresay that big-name professional drummers hire instrument techs to take care of their drums.We urge you to not be one of those drummers who only wipe the dust off the heads prior to playing!With a bit of care, your drums and all of the drum accessories you kitted it out with, could last a good long time.Cleaning Your KitAbout once a year, you should totall y tear down your drums, removing everything, down to the lugs. Cover the badge up with masking tape and...Do not use household cleaners on them!T-Cut colourfast scratch remover would be the ticket to cleaning and restoring your shells’ lustre. If, after buffing them out, you feel like they need a coat of wax, apply it sparingly and let it dry before polishing them.Now the CymbalsThe most important thing when cleaning them is to work with the lathing!Cleaning them from the bell to the edge is sure to affect the tonal grooves, meaning your cymbal won’t sound the same.While there is substantial debate on what exactly should be used to clean them, Brasso or some other metal polish, experts advocate for Groove Juice, a mildly acidic cleanser.If your cymbal’s label is important to you, be careful of where you spray said Juice: being acidic, it will eat the brand name away!Acoustic drum sets and electronic drums are an investment: of money, of time and of your passion.Choosing the ri ght drum set, the right drum heads and the right drumsticks; even down to your selection of drum throne will all impact your love and ability to play the drums.Taking care of your investment through regular tuning and proper maintenance, from the drum hoops to the drum hardware means that you will have it to play on for a long time to come.Sure, you could upgrade your kit, but once you’ve found the one you want...Happy playing to you!

Definition of Coordinate

Definition of Coordinate Definition of coordinate is an introduction to coordinate geometry. In geometry the position of any point on a plane is described by pair of numbers called ordered pairs. The coordinate plain is given below. It has two lines perpendicular to each other. In the plane, the horizontal line is x-axis and vertical line is y-axis. The point where both the axis crosses is the origin and it is the point where x and y remains zero. In x-axis, the values to the right of origin are positive and to left are negative. In y axis, the values above the origin are positive and below the origin are negative. The below 2 examples show you how to plot a point in graph. Example 1: Plot the point (3, -6) on graph Solution: The center point is the origin and it is written as point (0, 0) because both x and y are zero at this point. = From the given point (3, -6) = X is positive 3 and y is -6 = So move 3 units to the right on x axis and 6 units down on y axis = (3, -6) is the point where it meets. Example 2: Find location of point on graph? Solution: Start from origin = Draw lines from the point that cuts x axis and y axis respectively. = Since, the line cuts at point 3 on x axis and at point 4 on y axis. = Therefore x= 3 and y=4 = So, the point shown in graph is (3, 4)

Harvard University A Student Interview

Harvard University A Student Interview The tutors behind Varsity Tutors are not just here to teachtheyre sharing their college experiences as well. Keena is a Chicago tutor and 2006 graduate of Harvard University, where she studied psychology. She specializes in math tutoring, psychology tutoring, and a number of other subjects. See what she had to share about her time at Harvard University: Describe the campus setting and transportation options. Keena: Harvard University is located in Cambridge, Massachusetts, which is really just a smaller part of Boston. The campus is pretty urban, but borders on residential areas which makes it feel a bit quieter and more neighborhood-y on the edges (I always liked this part because there were lots of people walking dogs, and I missed mine). Harvard has a shuttle bus that can transport students to and from various parts of the campus. The shuttle is a great option for students, since the campus itself is huge and it can take a long time to walk from one side to the other especially if you include the athletic facilities and graduate education buildings. A bike is also a good idea but be careful! Cambridge is known as the bike theft capital of the country and given the number of thefts Ive seen on campus, I believe it. How available are the professors, academic advisers, and teaching assistants? Keena: The professors, academic advisors, and teaching assistants make themselves fairly available, but its important to remember that they are all involved in their own research or professional projects and often its difficult to get on their schedules. Sign up early, and make sure you know what youre going to talk about when you go to office hours. How would you describe the dorm liferooms, dining options, location, socialization opportunities with other students? Keena: The Houses at Harvard are one of the best parts of the University, in my opinion. Each House has its own personality and traditions, and being part of such a vibrant mini-community in the University has a very humanizing effect, especially since Harvard can be a cold and intense place at times. The Houses each have a dining hall and host various social activities for both house members and visitors, and it can be great to go from House to House experiencing the different atmospheres. I think its extremely important to take time to build a social network and put down your work for a while, especially at a place thats as academically intense as Harvard is. Youre supposed to be having fun, too! Which majors/programs are best represented and supported at Harvard University? Keena: Im not sure I can speak to which programs are best represented and supported I do know that a lot of students come to Harvard and dive into a particular field without giving themselves the freedom to experience new fields, which I think is a big mistake. As an example, I started school thinking I wanted to be pre-med, but switched out of that track midway through my sophomore year because I didnt like organic chemistry. I graduated with a degree in social psychology, but if you asked me now what I would have done in retrospect, I would have chosen history or creative writing, since thats what I liked the best. Its incredibly important to take classes in new fields and focus on what you really enjoy doing, not just what you or someone else thinks you should be doing. 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? Keena: It was easy for me to make friends as a freshman. Harvard offers incoming freshmen the chance to go on a hiking trip with other new students before classes start (its called the Freshman Outdoor Program, or FOP) and it was through FOP that I met some of my best friends, friends I am still close with today. There are a lot of socialization opportunities within the dorms as well, and each entryway has two Prefects assigned to it upperclassmen who host weekly social activities with their freshmen, to help them make friends and integrate into the community. Greek life plays a pretty minimal role on campus; there are a handful of fraternities and sororities around, but they dont have houses and operate completely independently from the University itself. How helpful is the Career Centerand other student support services? Keena: I dont remember the Career Center being particularly helpful. I do remember a lot of huge companies recruiting on campus my senior year, mostly through dinners and social events designed to show students how fancy their lives could be after graduation. Some of my friends went this route, and had good experiences. For me, finding professors in fields I liked and who I could connect with gave me the most insight into what I wanted to do after school. Harvard is a big place, but finding upperclassmen and professors who you can connect with can help a lot in figuring out what you want to do. How are the various study areas such aslibraries, the student union, and dorm lounges at Harvard University? Keena: The libraries at Harvard are the coolest. There are two main libraries (though I read somewhere that Harvard has more than 90 in total across various campuses): Widener (absolutely massive), and Lamont (smaller, more Undergraduate-focused). Widener is a lot of fun to explore, and there are many little nooks and crannies for students to hole up in for hours at a time to do work. Lamont is more social and feels warmer since its a bit smaller and has big, public study spaces. I studied at both and really liked having the opportunity to work in such interesting and well-designed spaces. They are both easily available. Describe the surrounding town. Keena: Cambridge is a very interesting town. There are a lot of stores, restaurants, and bars, and it feels urban but without the size of downtown Boston. A lot of establishments have been in the same place for decades, so its always possible to go back to your favorite haunts when you visit. Most undergraduates will tell you that the Kong is a perennial favorite among the students, though I also enjoyed going to Graftons, Cambridge Common, and Pinocchios Pizzeria. Its very easy to take the T to downtown Boston, though most students stay near campus since there is so much to do. How big or small is the student body? Were you generally pleased or displeased with the typical class sizes? Keena: The student body felt big to me, though in reality the undergraduate enrollment is only around 7,000 students. Many of the introductory lecture classes are very large, but these always include smaller group sessions made up of 8-12 students with a Teaching Assistant. The smaller lecture classes are often between 10 and 30 students, though you are able to find classes with only a few students in some of the smaller fields. Describe one memorable experience with a professor and/or class. Perhaps one you loved the most or one youregretthe most. Keena: Harvard is famous for its Human Sexuality class in the Psychology department. This class covers a wide variety of topics from sexual orientation and gender identity, to societal views of sexuality and sexuality in the media. Its an extremely popular class and was one of my favorites. The lectures were often so thought provoking that my friends and I would go out after class and spend hours talking about what we learned in class and how we felt about it. I would highly recommend every student taking this class if they can. In terms of regrets I regret taking too many classes that I thought I had to take (conceptual mathematics, organic chemistry, etc.) instead of classes I wanted to take. I didnt realize the freedom I had to dictate my own curriculum, and I wish I had figured that out earlier in my undergraduate career. Check out Keenas tutoring profile. The views expressed in this article do not necessarily represent the views of Varsity Tutors.