Write my law essay
Unit Conversion Problems Chemistry Practice
Tuesday, March 31, 2020
What Is Substances In Chemistry?
What Is Substances In Chemistry?What are substances in chemistry? The search for the answer can take a turn. There are some theories that define substances. A substance is generally considered as an element or combination of elements.Every element, molecule and formula is represented by one or more chemicals known as chemical symbols. These symbols are created using alphabets and numerals that represent the number of protons, neutrons and electrons that make up the atoms. If a substance is in two categories, then it is usually treated as one category.First of all, a substance in chemistry is made up of atoms. And these atoms are separated from each other using a very thin layer of atoms known as a bonded bond. These atoms are linked together using covalent bonds. They can also be linked by ionic bonds. And they can be linked in different ways depending on their density, size and chemical make-up.Second, a substance in chemistry is made up of molecules. Molecules are made up of smalle r atoms. They are usually grouped together using molecular bonds. There are molecules that contain multiple elements and atoms; these are known as combinations of substances.There are two categories of substances in chemistry. These are ionic and covalent. An ionic substance is an unstable one and can be easily broken down by enzymes. Such substances are generally unstable. Because of this they are not usually useful to us.Covalent substances can be relatively stable. However, this does not mean that they are ideal to us. They are relatively unstable and their properties tend to change constantly. We will discuss how they are categorized in more detail later on.Ionic substances are classified into two categories. The first of these categories is referred to as the basic ionic category. The second category is the metallic ionic category. The basic ionic category consists of cations and anions. The metallic ionic category consists of metals and alloys.These are the two categories that we have been talking about in the article. Each of them contains all the substances in chemistry. The category of covalent substances is already explained above. It includes all the covalent bonding between atoms.
Saturday, March 21, 2020
Chemistry Solvometry Problems and Their Solutions
Chemistry Solvometry Problems and Their SolutionsThere are several different types of chemistry stoichiometry problems. One type is the use of modality, which describes the chemical formula for a compound. The problem for this type of problem is the conversion from molecular weights to molar weights. Other problems involve the mixture of compounds or absorption.One of the most common solutions to these problems is mixing. In addition to clarity, the solution to the first problem involves setting up a molar solution that can be decomposed by hydrolysis to gain insight into a structure. Another problem is the decomposition of an aqueous solution, which involves mixing and either boiling or freezing. A very difficult situation occurs when one has a solid and a liquid at the same time.Mixtures of solids, gases, liquids, and solutes are known as stoichiometry problems. Common solutions to stoichiometry problems can include the use of different temperature conditions, variations in viscosi ty, or the elimination of solid or liquid phases. For example, solving a mixture of a solid and a liquid can involve using different temperatures and pressures to release or preserve the solids or liquid phases.Many of the chemistry stoichiometry problems require an understanding of absorption, inclusion, surface, etc. The methods used for solving these problems may also involve the addition of different elements to or from a solution. Other stoichiometry problems can involve dissolving, separation, or solubility. Solutions to these problems usually involve multiple ingredients or liquid and solid components.Solvents and solute-soluble gels are other solute-soluble gels. This type of substance must be mixed with another substance to form a layer that is solid or liquid. Other solute-soluble gels include Kraft paste, crack, fudge, ice cream, and baby powder.Solvents are another substance that can be used in chemistry stoichiometry problems. One example of a solvent is petroleum jelly , which can be used to create a solid and liquid solution. For example, many solvents have a different viscosity, hardness, and boiling point for different applications.As previously mentioned, there are many types of chemistry stoichiometry problems. However, the biggest one used in chemistry is the fractional distillation method. This method involves the addition of a higher concentration of a lower concentration of the sample for a specific temperature. The more than 70% yield of solids that comes from this method is considered a successful solution.
Friday, March 6, 2020
Domain and Range Algebra 2 Help
Domain and Range Algebra 2 HelpDomain and Range Algebra 2 is a course that focuses on the marketing of services. It is designed to teach the necessary theories and understanding needed for being able to actually market services or products on a highly professional level. Although this may sound like an easy course to enroll into, it will demand great dedication and constant practice of the techniques taught in order to master them and be able to draw the best out of it.Domain and Range Algebra 2 is a simple course, that is perfect for students who are interested in running their own business. In general, Domain and Range Calculus are about the mathematical calculations of a number of factors and conditions. These factors and conditions may be a fixed size or a variable size. The equations are usually presented in a different way than they are presented to real people. This means that real people will not be able to see what are presented to them, but what can be done is to memorize t he processes and apply it to real people and see if it will work or not.Domain and Range Calculus are divided into two, which are labeled as the domain and the range. Domain Calculus is used to analyze the properties of a variable and then use the formula to solve for a given variable. Range Calculus is used to solve for a given variable and also for a fixed value. Both of these are just first steps towards solving a problem that would involve variable values.Domain Calculus can be considered the base of Domain Calculus. Domain Calculus is really concerned with the properties of a variable and therefore the name. Domain Calculus makes use of Geometry, which uses a series of angles to form the ratio.Domain Calculus is defined as an abstract mathematics study that is an extension of Geometry. Domain Calculus is also useful in giving a name to another branch of mathematics called ContourIntegration. Contour Integration is using to estimate functions and is an alternative to Area Limits .Domain and Range Calculus is about solving problems and equations for a variable and solve for a specific value. Domain and Range Calculus is so used when one is trying to make out how many dimensions would fit on a given surface and how to divide the surface to find the area of the shape. These two concepts are rather confusing for students to understand, but they will become easier to comprehend once you have learned the basics of Domain and Range Calculus. Domain and Range Calculus can help students with their plan of becoming a sales person, because it is essential to have good sales skills.Domain and Range Calculus are not difficult and it is just an extension of Geometry. It is perfect for students who are not very good at math and would need some help in helping them to apply and study Geometry.
Thursday, March 5, 2020
How to Sing Higher, Clearer, and On Pitch 3 Simple Fixes
How to Sing Higher, Clearer, and On Pitch 3 Simple Fixes Suzy S. Most beginner vocalists come across the same types of issues such as struggling to learn how to sing higher and stay on pitch during practice and performances. Read on as Grand Rapids, MI teacher Kelsey P. explains why, plus three simple fixes! Having trouble hitting those high notes while staying on pitch and producing a clear tone? Do you ever feel like singing is really hard work, and notice your voice feels and sounds tired after just a short amount of singing? In most cases, all of these problems can be traced back to posture, tension, and breath. Posture First things first. Are you standing up straight? A lot of the time we think we are when we actually stand with a slight slouch. Proper posture frees up the space in our chest for our lungs to expand effortlessly. When we slouch, breathing is a lot harder. Pretend that youre one of those old marionette puppets with a string attached to the top of your head pulling your head up and elongating your spine. Feet should be shoulder width apart, knees slightly bent to avoid locking (locking your knees on stage can lead to passing out!), tailbone tucked in, chest out, and shoulders relaxed. Avoid standing like a tin soldier with raised shoulders, or lifting/shrugging the shoulders when you breathe. Tension It can be a lot to think about when you start, but eventually proper posture will feel more comfortable. The key is to relax! There should not be any tension in the shoulders or neck. These muscles are supporting your vocal cords and tension can encourage you to strain your voice, leading to all sorts of nasty damage. Before you warm up, do some stretches. Reach your hands up over your head. Then bend over and touch your toes. Roll your shoulders back and stretch the neck by leaning the head to one side and then the other. Pretend to yawn and youâll start yawning for real. This actually helps relax your voice, since itâs stretching out the soft palate in the back of the mouth. It also trains your throat to relax when you sing. You can hum lightly and pretend you have an egg in your mouth, which will also stretch the soft palate and relax the voice before singing. SEE ALSO: Baritones Can Sing High Notes Breath And last but not least: BREATHE! A lot of students donât realize that the voice is a WIND INSTRUMENT! Think of any other wind instrument. A flute, clarinet, saxophone⦠thereâs no sound without wind. Thatâs just how the voice works. We only use about a third of our lung capacity when we speak, so when we sing, weâre not used to breathing as much as we need to in order to produce a fuller, longer tone. But this is where the problems start. You arent breathing enough. The solution? Do some breathing exercises, which will help you sing higher and stay on pitch. Start by laying on your back on a flat surface. Place a shoe or a book on your stomach while you breathe. Notice that the object rises and falls with your stomach, and your shoulders donât really move at all because they donât need to! Stand up straight with proper posture. Inhale for four counts and hiss on an âsâ sound for eight counts. The next time, hiss for 10 counts. Keep adding more and more counts and see how long you can hiss. With these three points in mind, and some practice, singing should become much easier! Youll learn how to sing higher, at the top of your range, and how to sing fuller longer. Keep working at it and you will definitely see improvement! Kelsey P. teaches singing, songwriting, and guitar lessons in Grand Rapids, MI. She has a Bachelors in Music and has been a full time musician for three years. Learn more about Kelsey 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 Tracy Byrns
Bass vs Guitar The Differences, Difficulty, and How to Decide
Bass vs Guitar The Differences, Difficulty, and How to Decide Jessica Dais For aspiring musicians trying to decide between bass vs guitar, there are many factors to consider. What style of music do you want to play? What do you find most enthralling about that style? And, where do you see yourself fitting into that style? These are all key questions to answer when considering which instrument to learn. Here, well uncover the pros and cons of playing each instrument. One important thing to realize is that whichever instrument you start with, youâll learn concepts that apply to other instruments as well. This is all part of your musical journey and will help you become a multi-faceted musician. To help you find the better fit for you, lets start by breaking down the differences between the bass player and the guitar player. Already made up your mind? Cast your vote on the best instrument to learn below! Which instrument do you prefer: bass or guitar? Bass Guitar View Results Loading ... Bass vs Guitar: How to Decide Bass Guitar The bass guitar is the foundation for all music. Without bass, there is nothing to weigh the music down and bring it all together. Oftentimes, the bass player is the most essential element in creating a successful band. They determine the âfeelâ of the music by laying down a pattern of notes according to their rhythmic pattern with the drums. Bass players are often understated individuals who appreciate the improvisational nature of their instrument. While other instruments have to stick with their respective written parts, the bass player has a greater ability to play what they feel is right (especially in blues and jazz progressions). For this reason, the bass player usually learns to be fluent with scales and chordal patterns so they can lay down an awesome bass line! When considering bass, you must ask yourself: is this the role I want to play? Are you the âunderstated foundationâ of the band? If you feel like this is the right place for you, then the next thing you should do is consider the style of music you want to play. A Note About 4, 5, or 6 String Basses A bass player has a unique choice in the number of strings they want on their bass guitar. You can purchase basses with 4, 5, or even 6 strings. For the most part, the only real difference between basses with more strings is the availability of higher or lower notes on the instrument. Most 4-string basses are tuned like a guitar, that is: E-A-D-G. With 5 or 6 string basses you can choose to add lower notes, like B-E-A-D-G, or higher notes. While a 5 or 6 string bass can seem enticing, a majority of the time all you will need is 4 strings. Pros of Bass: Bass is arguably the most important instrument in a band. A song without bass just isnât right. Bass allows you to improvise and be active in the creation of a song. You can choose between a wide variety of bass guitars including 4, 5, or 6 string basses. Tabs for bass guitar are readily available. Cons of Bass: Since the strings on a bass are bigger to provide the right tone, bass players have to work to get really strong fingers. The neck of a bass is also very long, so starting out on a full-size bass might be difficult for musicians with smaller frames. Guitar The guitar is a very flexible instrument. A talented guitarist can fulfill several roles including rhythm section, lead guitar, or a mix of both! But generally, if you like to be the center of attention, the guitar is a good fit for you. Guitarists play a defining role in the style of a band. If you listen to artists like Stevie Ray Vaughan and Kirk Hammett (from Metallica), and then compare them to Tommy Emmanuel, youâll see just how much flexibility there is with this instrument. Guitar players are often at the forefront of the band. While the bass provides the foundation of the music, the guitar player builds upon it. By building chord progressions from bass licks and matching them with a drum beat, the guitarist can create some awesome songs! Pros of Guitar: While bass does have more freedom within a song, if there is a solo it usually goes to the lead guitar player. The strings on a guitar are smaller than on a bass, so there is less finger strength required to learn the guitar. There are numerous styles of guitar. You can play like Tommy Emmanuel or Kirk Hammett the possibilities are endless! Tabs for music are readily available. Cons of Guitar: The guitar is just as much a rhythmic instrument as a lead instrument, so it requires you to learn more chord shapes than bass. There is never a shortage of guitar players, so getting a gig can be difficult. Musical Styles for Bass vs Guitar What style of music do you hope to learn to play? What do you listen to in the car? Do you listen to rock, country, blues, jazz, or classical? Both the guitar and bass have unique responsibilities within each genre of music. Neither guitar nor bass is any better than the other for a certain style of music; they simply perform different tasks. For example, blues music offers improvisational freedom for both the bass and guitar. The bass player gets to make unique bass lines and the guitarist gets to play solos. Where Do You Fit In? If youre still trying to decide between bass vs guitar, try taking a few introductory lessons. There are many guitar and bass teachers online and locally. Taking beginner level classes or lessons will give you a taste of each instrument so you can make a more informed decision. Post Author: Donnie E. Donnie teaches acoustic, electric, and bass guitar online, as well as locally in Nixa, MO. He has a Bachelorâs from Liberty University and has been teaching since 2015. Donnie enjoys rock, jazz, blues guitar, and more. Learn more about Donnie here! Need Private Lessons? Search thousands of teachers for local and live, online lessons. Sign up for convenient, affordable private lessons today! Search for Your Teacher
Equivalence Point
Equivalence Point Equivalence Point The Equivalence point is also called as the stoichiometric point. In an acid base titration it is a point at which chemically equal quantities of acids and bases are mixed. In simple words its the point where the number of moles of acid is equal to the number of moles of the base. So when the acids and bases are mixed in the right proportions they can neutralize each other. Understanding Titration: The qualitative chemical analysis titration is a laboratory method which is used to find the concentration of an unknown quantity. In this method the titrant which is the known concentration of a solution is added to the analyte the solution with an unknown concentration until the reaction is completed. The equipment used for carrying out a titration is burette, clamp, conical flask, pipette and pH indicator (this depends on the type of reactants used.) Alkalimetry and Acidimetry: An acid-base titration is when quantitative analysis is used to find the concentration of the unknown acid or base. Mentioned below are the two types of acid base titrations. The acid-base titration which is used to determine the concentration of a basic substance is called as alkalimetry. The acid-base titration which is used to determine the concentration of an acidic substance is called as Aciditmetry. Depending on the type of acid base titration the pH indicator needs to be chosen. Mentioned below are the different methods used in determining the equivalence point. Use of pH indicators in a titration: The pH indicators are used to determine the equivalence point in a titration. This implies at equivalence point there is a change in color observed. A drop of the indicator is added in the beginning of the titration at the end point observing the color change the equivalence point can be approximated. Conductance: The ions present in the solution determine the conductivity of a given solution. There is a certain amount of conductivity during the starting of the reaction. After the titration occurs and the neutralization takes place there is a change in the conductivity. Therefore, by calculating the change in the conductivity the equivalence point can be approximated. Color change: During few reactions there is a noticeable change in the color of the solution at the equivalence point. This change can be observed even without adding any indicator. Precipitation: During a chemical reaction sometimes there is a precipitation occurring at the equivalence point. Precipitate is a solid residue formed as a result the titration. Calorimeter: The isothermal titration calorimeter is a used to determine the equivalence point of a titration. This instrument detects the heat produced or consumed during a reaction and the change in the heat can be used to approximate the equivalence point. Thermometric Titrimetry: As the name suggests, thermometric indicates the thermal change of a given chemical reaction. In this method the equivalence point is estimated by observing the rate of change of the temperature (that is the rise or fall of the temperature.) Spectroscopy: This is a very interesting method to estimate the equivalence point of a reaction. In this method the equivalence point is determined by the amount of light absorbed by the reactants and the products. Amperometry: This method is used for generally the redox reactions. In this method the equivalence point is estimated according the rate of change in the current. Equivalence point Vs end point in a titration: Though the names sound similar both equivalence point and the end point are different. The equivalence point is determined by the theoretical calculations by equating the number of moles of the titrant and the analyte in a reaction. The end point is whereas determined in the laboratory by observing the color change or the instruments. The ideal situation is when the equivalence point is very close to the end point in a titration. The most commonly used pH indicators are: The table below list the type of indicator and the color it holds in the acidic side and the basic side. Indicator Acidic side Basic side Methyl violet Yellow Violet Methyl Orange Red Yellow Methyl Red Red Yellow Litmus Red Blue Phenolphthalein Colorless Pink Bromothymol Blue Colorless Blue The pH rules for the formation of different kinds of solutions: A neutral solution is formed by the reaction of a strong acid and a strong base. (pH = 7) An acidic solution is formed by the reaction of strong acid and a weak base. (pH 7) A basic solution is formed by the reaction of weak acid and a strong base. (pH 7)
The 7 Best Bass Guitar Songs to Learn
The 7 Best Bass Guitar Songs to Learn Sign up successful So to all the seasoned bass players out there, if youâre just starting to learn the bass, here are seven of the best bass guitar songs to learn with the most recognizable and hip bass lines in music history. The 7 Best Bass Guitar Songs to Learn Queen Under Pressure Difficulty level: 2 This bass line is a staple of the instrument. Its distinct rhythm and groove is instantly recognizable and it is surprisingly not difficult to play at all. Letâs not forget that there is some controversy over whether the pop artist Vanilla Ice used this line for his hit Ice Ice Baby. Red Hot Chili Peppers Give it Away Now Difficulty level: 6 This line is probably more suitable once you have a little more experience under your belt. With a line like this, the term âfunkâ is instantly incorporated into the music. One has to feel the funk to get down with a bass line of this caliber. Michael Jackson Billie Jean Difficulty level: 5 You can tell from the way that Michael dances in this song that he is getting his groove from this groovy bass line. Its a not-so-difficult line to play but its always moving so you have to keep the groove up. Primus American Life Difficulty level: 9 This is one of the best bass guitar songs on this list. When you hear the bass lines youll automatically think âI want to play that!â Les Claypools bass lines are more like guitar licks or melody lines. He gives the bass a distinct sound and a dominant role in any song he plays in, which also makes his bass lines on the more difficult side. Pink Floyd Money Difficulty level: 4 The bass line that comes in after a variety of clicking sounds is an unforgettable one. This popular song by Pink Floyd is a hit in anyones playlist and this bass line, with its rhythm of 7/4, is one every bassist should know how to play. Johann Pachelbel Pachelbel Canon in D Major Difficulty level: 3 This is not generally a song thought of when talking about bass lines. However, this line known as the basso continuo is in fact a legit Baroque period bass line. It is so legit that it is even featured in more familiar songs, such as Coolioâs âC U When U Get Thereâ and Green Dayâs âBasket Case.â This is a rockinâ canon and exemplifies how far back bass history really goes. Herbie Hancock Chameleon Difficulty level: 2 This funky/jazzy bass line is a standard and staple of the bass repertoire that every bass player should know. If bass lines had a holy grail, this might be it. This line is smooth, classy, and above all, groovy. Herbie made this song popular, but it was the bass line that made it immortal. Itâs not difficult to play, so why not learn it? These are some of the best bass guitar songs to learn, and they all helped in making the bass the immense instrument that it is today. The songs here give any bassist some good grooves to learn that will develop his or her skills. Christopher S. teaches bass guitar and composition in Jamaica Plain, MA. He received his Bachelors from Humboldt State and is currently working toward a Master of Music degree. Learn more about Christopher S. 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: Ethan Prater
Subscribe to:
Posts (Atom)