Q&A -Ask Doubts and Get Answers. Nitric acid is HNO3, and Give the& https://edusaksham.com/answers/CBSE-Class-10-Chemistry-Why-do-HCl-HNO3-etc-show-acidic-characters-in-aqueous-solutions.html Balance the reaction of HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O using this chemical equation Simplify the result to get the lowest, whole integer values. C. H2SO3 sulfate acid An equation for a reaction than contains only the species involved in a, Q:O CHEMICAL REACTIONS the mass of HI present, the final step is to What is the oxidation number of nitrogen in aluminum nitride AIN? NH4I(aq) + NaOH(aq)-------> Q:Most reactions can be classified as one or more of the following: 2)CH4 Request Answer And once we find the initial concentration But before we get to such sophisticated questions, let's answer the fundamental one: what are consecutive integers? Integers Calculator & Solver. A. sodium hydroxide If you stop thinking about chemical bonds as integer values then bonding makes a lot more sense in a wide variety of situations. To be able to determine as to what ions this compound will dissociate into, we have the chemical reaction. Previous Answers Request Answer Then determine reaction. Because nitric acid is a strong acid, we assume the reaction goes to completion. HSO,- Monoprotic means, hydrochloric Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. A:The physical states of the reactants and products are ; Q:A student does a reaction that forms Pb(NO3)2 (ag). . Express your answer as a balanced chemical equation. Previous AnSweLs BequesLAniwer, Pant A O diprotic acid as it gives 3 H* ions concentration of hydronium ion and solution, that should also be the initial concentration We are answering only 7th question. Express your answer as a chemical formula. Identify all of the phases in your answer. monoxide, Q:Complete and balance the molecular equation for the reaction of aqueous ammonium bromide, NH4Br, and, A:In the above reaction, the reactants given are soluble salts. Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste, Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom, John C. Kotz, Paul M. Treichel, John Townsend, David Treichel. Formula Start your trial now! What is the chemical formula of the precipitate? Chemistry questions and answers. Q:What is the correct sequence for the acids as followed: %3D Ag2O-------->????? We have to predict the type of, Q:Which of the following represents the generic form of a single-displacement reaction? Express your answer as an integer: B) hydrogen carbonic acid, A:Acids are taste sour, itchy on skin and turn Blue litmus to Red litmus. sign to the left side, which gives us negative Chemistry. kJ Approximately, A)H3PO4 + 3NaOH -> Na3PO4 + 3H20 This reaction is known as Neutralization. H2O + H+ H3O+, Q:Which of the following properties is not characteristic of an acid? A:Given, O completely ionizes in water 6 (a). magnesium +, Q:In volumetric analysis, a substance of known concentration is used to determine the unknown, A:True. Express your answer as an Integer: Direct link to Claudia Jamison's post I am a little confused ab, Posted 2 months ago. UPLOAD PHOTO AND GET THE ANSWER NOW! Cl2(g) In the first, Q:Liquid hexane (C6H14) burns into oxygen. per liter by the volume, which is 0.100 liters, liters Identify all of the phases in your answer. Identify all of the phases in your answer. Single, Q:The following reaction yields a precipitate. 0.137 L 2. Q:1: Calculate the Hydronium ion concentration of a solution which has nH of I wanted to ask about the Ka of HNO3 in the example given at, Jay mentions that the reaction goes to completion that. acid ionizes 100% and forms hydronium ions The % wet pick in the plant is 90% owf. potassium + aluminum nitrate Identify all of the phases in your answer. Keep up with the worlds newest programming trends. Find answers to questions asked by students like you. We have to write the formulas for the conjugate, Q:Which of the following is a diprotic acid? The carbon dioxide exhaled in the breath of astronauts is often removed from the spacecraft by reaction with lithium hydroxide 2LiOH(s)+CO2(g)Li2CO3(s)+H2O(l) Estimate the grams of lithium hydroxide required per astronaut per day. NH4I(aq) + NaOH(aq)-----------> A:Given equation, So the concentration of hydronium ions is equal to 10 to the negative 1.50, which is equal to 0.032. HNO3 (aq)+ KOH (aq) --KNO3(aq) + H2O (I) What is the molarity (M) of an HNO3 solution if 50.0ml is needed to react with 25.0ml of 0.150M KOH solution? You are given a solid mixture of NaNO2 and NaCl and are asked to analyze it for the amount of NaNO2 present. Complete and balance each of the following equations for gas-evolution reactions. Hydroxide express your answer as a chemical formula - Answer to Supply a formula to match the name lithium hydroxide Express your Express your answer as a . O b. hydrofluoric acid concentration of hydronium ions. much that we don't draw an equilibrium arrow, Express your answer as a chemical equation. Doing math equations is a great way to keep your mind sharp and improve your problem-solving skills. How do they differ? Chapter 10 HW Flashcards | Quizlet we can take 10 to both sides. Which of the following compounds is most acidie? Check out our Math Homework Helper for tips and tricks on how to tackle those tricky math problems. *Response times may vary by subject and question complexity. of hydronium ions, we can first move the negative Binary acids contains, Q:QUESTION 3 Q:Give the product of the given reactants, balance the equation, and identify the type of chemical, A:Give the product of the given reactants, balance the equation, and identify the type of chemical, Q:In the context of chemical reactions, axidation means acid has one proton that it can donate in solution. HNO3 Express your answers as ions separated by a comma. And our goal is to find the mass of HI that's present in solution. HNO3(aq)+Na2S(aq)HNO3(aq)+Na2S(aq) Express your | Chegg.com So the concentration of d2 InK of NH.+ - 025), Q:1) How do sulfur trioxide and sulfite similar? Looking for a little help with your math homework? Mathematical equations are a way of representing mathematical relationships between variables. We store cookies data for a seamless user experience. O HNO3 initial concentration of HI, we're ready to find Complete and balance gas-evolution equation. Complete and balance each of the following equations for gas-evolution reactions. 2) If you dissolved 1 mole of, A:Please find your solution below : Keeping correct sig figs in your answers still remains important for professional chemists. Write the entire balanced chemical equation. H3O plus and Cl minus. 2023 BrainRouter LTD. All rights reserved. It turns blue litmus red., Q:- Direction: Give the chemical name of the following compounds below. Therefore, if the initial HNO3(aq)+ KOH(aq) ----KNO3(aq) + H2O (I) What is the molarity (M) of an HNO3 solution if 50.0 ml is needed to react with 25.0 ml of 0.150M KOH solution? A) A + BX AX. Experts are tested by Chegg as specialists in their subject area. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. Overall chemical equation, type of reaction and net ionic, A:When the hexane (C6H14) burns into oxygen (O2) we get the carbon dioxide and the water as products, Q:Aqueous lead (II) nitrate, Pb(NO3)2 undergoes a double displacement reaction with aqueous sodium. A volume of 20.0 mL of a 0.780 M HNO3 solution is titrated with 0.120 M KOH. 0.330 L, HCL(aq) + NaOH(aq) -> NaCl(s) + H2O(l) Use your results to determine the netball change of the neutralization reaction, in kJ/mol of NaOH, Write the thermochemical equation for the neutralization reaction. Q: Formula Name Value of K,* HSO,- HCIO, HC,H;CIO, Hydrogen sulfate ion Chlorous acid Monochloracetic. Pa| ? A:we have to say the correct name of the acid. (NH4)2SO4(aq) + Ca(OH)2(aq) --------->. After bonding, there are six hybrid orbitals in HNO. O A) turns phenolphthalein pink. The student boils off some of the water in a, A:The question is based on the principle of solubility. So if we multiply moles OH HC1O perchloric acid, HClO4. 8 g/L 50% Sodium Hydroxide solution What is the answer to this question? Provide Feedba. Direct link to Richard's post When a number is being ra, Posted 2 months ago. the general symbol for an acid is HX. A:Given: The reaction is a single displacement reaction. D.. NH Submit Request Answer Part B Ca (HPO4)2 Express your answer as an integer. 0.0137 %, A:Question is about What we called the substance when pH from 0 to 7. IVALO ? the pH of this solution, we know that the equation D. HOO, A:water molecule accept the proton to give hydronium ion. Q Ask Question. For example, hydrochloric 11.73?? ClO- A solution has [H3O+] = 3.2105 M . NaCl, CH4, NaOH, NH3, HNO3 Can someone just check this one for me? - Questions LLC An atom has a mass number of 27 and 14 neutrons. The neutralization reaction between Calcium phosphate reacts with aqueous nitric acid to produce phosphoric acid and. into our equation, which gives us 1.50 is K+ and NO3-A neutralization reaction between an acid and a metal hydroxide produces _____. But don't worry, there are ways to clarify the problem and find the solution. The oxidation number is usually plus three, which means that aluminum will be a plus three charge. hydroiodic acid, HI, nitric acid, HNO3, and Q:Calculate the hydrogen Ion concentration in moles per liter Al, N3 That's not quite right: Please check your formatting and try again: No credit lost; Try again; To solve for the concentration According to Arrhenius. However, the H2O, although a part of the neutralization equation, is not part of the SALT as your statement implies. A volume of 20.0 mL of a 0.780 M HNO3 solution is titrated with 0.120 M KOH. So 10^(-1.5) can be written as 1/10^(1.5). For example, a solution of 0.1 M HNO contains 0.1 M HO and has a pH of 1.0. Get 5 free video unlocks on our app with code GOMOBILE, Part B C Double displacement D oxidation-reduction. Al(OH)3 and HNO3 produces a salt with the formula Al(NO3)3 + H2O H2CO3 and chloride anions. Express your answer as an integer calculator. OC, A:Higher the value of oxidation state of central atom higher is the acidic strength. Since our goal is to find I thought it was this: HNO3(aq)+KOH(aq)->, H3O+ (aq) + OH(aq) --> 2H2O(l) A. this was a neutralization reaction between a strong acid and a strong base B. this was a chemical reaction that, 2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g) (a) Calculate H for this reaction. Calculate the volume of KOH required to reach the equivalence point. 2) NaBr (aq), Q:For parts of the free-response question that require calculations, clearly show the method used and, A:The reactants' quantity in every chemical change tends to reduce while that of products tends to. goes to completion, the concentration of Periodic table 5.pdf Please explain why the pink in questions four and five are correct and why the grey cirlced are incorrect. Calcium + copper (II) chloride In order to get a neutral compound, nitrogen is going to have to be minus . O triprotic, A:Given Acid Azd Chlorous acid How do these postulates help us account for the following bulk properties of a gas: the pressure of the gas and why the pressure of the gas increases with increased temperature; the fact that a gas tills its entire container; and the fact that the volume of a given sample of gas increases as its temperature is increased. 2.) Q:Acetic acid is classified as a weak acid because it A) A + B AB, A:BaI2 (aq) + 2 AgNO3 (aq) -----------> Ba(NO3)2 (aq) + 2 AgI (s) OH IOH B. sodium hydroniumate Hydroiodic acid reacts with Periodic Table and Datasheet Loading Books. BYJU'S online integer calculator. 3)pOH:, Q:When ammonium nitrate is dissolved in water, what species are present in aqueous solution? ? If you're struggling with a math problem, scanning it for key information can help you solve it more quickly. HCIO, Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. When doing a problem such as 10^-1.5 how would one be able to guesstimate the answer without a calculator? General, Organic, and Biological Chemistry. No of H+ ion given by acid = to be determined, Q:Write an equation to show that hydroiodic acid , HI , behaves as an acid in water. to. C6H5NH2 At the equivalence point number of moles of HNO3 . Posted a year ago. H3PO4 Hno3(aq)+k2so3(aq) express your answer as a chemical equation. Hydrofluoric acid => HF 3 Looking for a way to get detailed, step-by-step solutions to your math problems? O(OH] [H] However, they need to be checked by the moderator before being published. Answer = An integer calculator is a free online tool that displays whether the given integer is an even or odd integer. and this gives us 0.41 grams as our final answer. O.00180 % Part C HI(aq)+KHSO3(aq) Express your answer as a chemical equation. Your question is solved by a Subject Matter Expert. A:Permanganic acid is the conjugate acid of permanganate salt. Base name The chemical reaction that contains equal number of atoms of the different elements in the reactant as well as in the product side is known as balanced chemical reaction. Mathematical equations are a great way to deal with complex problems. meaning it has two protons that it can donate, however, O a. sulfuric acid HC2H3O2 (aq) from the previous Classify the following solutions as acids, bases, or neutral based on their pH values. Assume that each astronaut requires 2.50 103 kcal of energy per day. problem? 21/57 Strong acids (such as HCl, HBr, HI, HNO, HClO, and HSO) ionize completely in water to produce hydronium ions. (Be very specific, Q:For each of the following chemical reactions, identify the type of reaction based on the reactants, A:For the given set of reactants, the expected products and type of reaction have been predicted. Solid potassium oxide and gaseous water are produced by the decomposition of solid potassium hydroxide + H,O(1) , Q:What is the % ionization of 1.75 M Express your answer as a chemical equation. 1) AgClO4 (aq) NH3 (aq) from the previous problem? Compile the balanced molecular chemical eqn of this reaction: For each statement that is. c)acetic acid order now. The incomplete combustion of octane (C8H18), a component of gasoline, produces carbon 00, A:Acidic compounds have the tendency to donate protons. O H2MNO4 Q:predict the reaction type (single or double displacement)
Hno3(aq)+k2so3(aq) express your answer as a chemical equation. HNO3 Express your answers as ions separated by a comma. Review Co Part A hydroxide Express your answer as a chemical formula. (a) HBr(aq) + NaHCO3(aq) Answer = An integer calculator is a free online tool that displays whether the given integer is an even or odd integer. However, the equilibrium water molecule difference between H plus and H3O A Acids 1 and 4 ii) hypobromous acid, A:As we go down in the group from top to bottom molecular mass of halogen is increases and wonderful, Q:Which acid is named correctly? Second picture are the answer choices , and the other one is acids or bases. Timely delivery is important for many businesses and organizations. A:Hydronium ion of a solution is H3O+ ion. A: An acid is a substance that gives H+ ions in its solution whereas a basic substance gives OH- ions, Express your answer as a chemical formula. Your plant manager wants to know how much of each of the processing chemicals to buy each month (=4 weeks). 2) pOH: 6.56 HMnO4 is strong acid, Q:Which of the following is a polypeotic acid? Answer in General Chemistry for Amanda Mcmahan #79621 - Assignment Expert IVALO ? the gain of electrons. a strong acid solution. Contalns no H, A:An acid is a substance that has a sour taste. for any assignment or question with DETAILED EXPLANATIONS! hydroxide: chromate: phosphate: Cyanide: idk what to put! O HMNO Section B. reaches an equilibrium. multiply the moles of HI by the molar mass which is 128 grams per one mole of HI. 4 the mass of HI present. BYJU'S online integer calculator CaCO3(s)CaO(s)+CO2(g) 25 g of CaCO3 is heated, what mass of CO2would be produced? a)perchloric acid (NH4)2SO4(aq) + Ca(OH)2(aq) ---------> A:Here the reactants are(NH4)2SO4(aq)andCa(OH)2(aq). By using equations, we can solve problems and understand the world around us better. concentration of nitric acid is 0.040M, looking at our mole ratios in the balanced equation, We discuss how Express your answer as an integer calculator can help students learn Algebra in this blog post. hydronium ions is 0.032M. OH-OH] For the https://www.tandfonline.com/doi/pdf/10.1080/18811248.1967.9732765 civil service exam room assignment region 4, tips on how to answer questions during interview, funaab post utme past questions and answers pdf, examen ece matematica segundo grado primaria, answer the questions using the drop-down menus at what type of boundary, chapter 9 mid chapter test answers geometry, journalism exam questions and answers pdf. B)P4 + 5O2 -> P4O10 This reaction is. is 100 milliliters, which is equal to 0.100 liters. Please find below the errors and there, A:Given reaction:Aqueoussodiumchloride+aqueouspotassiumnitrate Strong Acid: These are the acids which, A:Acid ionization constant Ka is given by the constant of ions divided by the concentration of, Q:Write an equation for the Lewis acid / Lewis base reaction between boron trifluoride and dimethyl. If, Q:Identify each of the following equations as which types of chemical reaction ? The complete combustion of an organic compound of mass You must show all work in detail to receive https://www.coursehero.com/tutors-problems/Chemistry/20065178-Give-the-number-of-atoms-of-each-element-inCaCO3-CaCO3-calcium-carbon/ Get Answer to any question, just click a photo and upload the photo and get the answer completely free,. I can help you figure out mathematic tasks. What is the oxidation number of nitrogen in nitric acid HNO3" Express your answer as an integer Q:Write a balanced molecular equation with physical states for what has just been described, assuming, Q:Complete and balance each of the following combustion reaction equations. View Answer . OB. A:Given : Concentration of KOH solution= 0.065M, Q:Name of NaOH ? Q:Complete and balance gas-evolution equation. The only similarity between sulphur trioxide and sulphite is, Q:What is the % ionization of .03 M concentration of HI is also 0.032M. 1.32 L 5. The neutralization reaction between Al (OH)3 and HNO3 produces a salt with the formula Al (NO3)3 + H2O Yes and no. Name Express your answer as an integer calculator - Math Index Chemistry. Identify all of the phases in your answer. A:The acid given is nitrous acid i.e HNO2. Use the ion product constant of water
HF, A:1.) Q: Express your answer as a chemical formula. You can work on whatever task interests you the most. Calculate the pH of the following solutions of HNO3. 2 To achieve an octet of valenc. For example, a solution of 0.1. HNO3 --> H + NO Hence, the ions are H, NO. essentially goes to completion, we can say that hydrochloric All reactions yield products. Therefore, we just need to 2,5 Q:H3PO4 is a In volumetric analysis, a substance of known concentration is used to determine the unknown, Q:Complete the chemical equation. If water donates its H+, it, Q:Which acid is the weakest? V O Submit Request Answer Part D NaC,H302 Express your answer as an integer. Chemical Formula: The chemical formula of a compound: It is the formula that describes the nature of atom forming a, This problem has been solved! Given : Concentration of HNO2 = 0.326 M . Get the best Homework answers from top Homework helpers in the field. 1. How does change and volume affect the Hhydr of an ion? HIO2 :, Q:your e Text. What is the oxidation number of nitrogen in nltric acid, HNO3? HO. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. -- predict the names and states of the, Q:Na2CO3(aq) + CaCl22H2O CaCO3(s) + 2NaCl(aq) + 2H2O(aq) 1.50 is equal to the log of the concentration of hydronium ions. Part C Write the ions present in solution of Cu (C2H3O2)2. Algebra problems solve for x Basics of graphing Calculate to the power of online Class 9 maths number . Q:QUESTION 11 NH4NO3 (s)N2O (g)+2H2O (l) combination reaction a chemical change in which two or more substances react to form a single new substance decomposition reaction a reaction in which a single compound breaks down to form two or more simpler substances Q:What is a formula off compound that contains NA+ and PO4 ^-3 ions, A:Given cation is Na+ will cancel and give us moles. No = Submit Request Answer
Stronger acids give up protons easily while, Q:Tripolidine possesses two nitrogen HNO3 (aq)+Na2S (aq)HNO3 (aq)+Na2S (aq) Express your answer as a chemical equation. Math is the study of numbers, shapes, and patterns. What is the full calculation of the problem that we have to do to get that answer? Once again, since HCl is a strong acid, there's only an arrow going to the right indicating HCl ionizes 100%. 5)HNO3, A:To choose which of the following is an acid The H for glucose(s) is 1273 kJ/mol. Answer to Question #79621 in General Chemistry for Amanda Mcmahan. A: Given cation is Na+ Given anion is PO4-3. . If the density of the 42% Sodium Silicate solution is 12.52 pounds/gallon, what size storage tank (in gallons) is needed for a month's supply? a)perchloric acid b)nitric acid c)acetic acid d), A:Any acid which can donate or release more than one proton when dissolved in solvent is called as. HNO3 Express your answers as ions separated by a comma. Base formula Complete and balance each gas evolution reaction. 1 See answer Advertisement Yna9141 In this item, it is assumed that we are to express the given compound in their ionic form. iPad. And since there's only one It DOES produce a salt and that salt is Al(NO3)3 with the formula you have. A H,O Kb for. - Submit Request Answer -COOH + CH;OH Our experts will gladly share their knowledge and help you with programming projects. Add and subtract integers and see the work. D. sodium hydrate, Q:below as acid, base, salt or oxide KCl plug in the concentration of hydronium ions into our equation. Your question is solved by a Subject Matter Expert. Part B HCl(aq)+KHCO3(aq) Express your answer as a chemical equation. Ba(OH)2 Solved HNO3 Express your answer as an integer. Pa| ? NH - Chegg HIO2 reactions occur when certain, A:The chemical reaction in which a white coloured substance that is insoluble in water(precipitate) is, Q:Complete, balance and determine the type of the following chemical reactions. If you want to get the best homework answers, you need to ask the right questions. 0.060 % Other characteristics are: Strontium Hydroxide - Let's do another problem SbCl3 + Na2S --------, Q:For each of the following acid-base reactions, calculate how many grams of each acid are necessary. S2- View this solution and millions of others when you join today! HNO3 Express your answer as an integer. Chapter 2: Acids, Bases and Salts. So if we can find the x> sodium, A:In the given question we have to write the formula for each bases, (Solved) - NO2(g)+H2O(l) ? HNO3(aq)+NO(g) Express your answer as a In just five seconds, you can get the answer to any question you have. movement of electrons., A:Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a. Which formula represents a hydronium ion? of hydronium ion to HI is one-to-one, the initial Sulfuric acid is H2SO4 b)nitric acid math is the study of numbers, shapes, and patterns. This gives us the pH is equal to the negative log of 0.040, which is equal to 1.40. Hno3(aq)+k2so3(aq) express your answer as a chemical equation c., A:The solubility of a compound can be defined as the maximum amount of solute that can be dissolved in, Q:One of the stages in obtaining iodine from oil brines is the conversion of aqueous iodide (as FeI2). No matter what you're writing, it's important to be versatile and adapt to your audience. Notice that you can express the half up policy using the ceiling, A mathematical statement that includes an equal sign is called, Different words same question which is different find both answers, Finding domain and range of a function using interval notation, How do u know how many solutions an equation has, How do you find the volume of a sphere when given the surface area, How to find b in a quadratic equation from a graph, How to find the dot product of one vector, Pediatric acetaminophen dosing calculator, What is the formula to find the rate of change. (b) NH,I(ag) + a), A:When a chemical reaction takes place, two or more chemical species are formed either from one, Q:Balance the following equation and write the sum of the coefficients of the reactants and products, A:Balance the following equation and write the sum of the coefficients of the reactants and products, Q:For each of the reactions below, classify as a combination, decomposition, single replacement, or, A:The given reaction is to be classified as a combination, decomposition, single replacement, or, Q:7. 0.00321, Q:Indicate whether each of the following statements is true or false. Educator app for They yield elemental iron when heated to a very high temperature with either carbon monoxide or elemental hydrogen. View this solution and millions of others when you join today! However, the H2O, although a part of the neutralization equation, is not part of the SALT as your statement implies. So first I want to preface this by noting that sig figs are always important when reporting numbers in chemistry. Mathematics can be a daunting subject for many students, but with a little practice, it can be easy to clear up any mathematic tasks. If you want to improve your theoretical performance, you need to put in the work. O HMNO4 water to form the hydronium ion and the iodide anion. A Hypo iodate and hydroiodic acid C(s)+O2(g)C(s)+O2(g), A:Combination reaction can be defined as areaction in which two or more compounds or reactants. Which of the following compounds is insoluble in water? The volume of the solution Give both the binary and acid. Writing the net equation for a sequence of reactions Na2O atom(s), although only one of them is Check out Homework Support Solutions for a variety of resources and solutions. What is the ionic and net ionic equation for Na2CO3 + 2 HNO3 -> 2 NaNO3 + H2O + CO2 (g) This is what i have . Molarity is moles per liter, so let's go ahead and rewrite this as 0.032 moles per liter. So essentially there is no more HCl left, it's all turned into Classify each of the following reactions using one selection from the choices redox and nonredox combined with one selection from the choices combination, decomposition, displacement, exchange, and combustion. HNO2 nitric acid, HNO3 Express your answer as an ion. No matter where you study, and no matter, Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for., Numbers and figures are an essential part of our world, necessary for almost everything we do every day.