Name S- Effect of Heat on the Oxidation of H CO a- Write a general con.docx

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Chapter 4 Problems 1. Which of these compounds is a strong electrolyte? A. H2O B. O2 C. H2SO4 D. C6H12O6 (glucose) E. CH3COOH (acetic acid) 2. Which of these compounds is a nonelectrolyte? A. NaF B. HNO3 C. CH3COOH (acetic acid) D. NaOH E. C6H12O6 (glucose) 3. Based on the solubility rules, which one of these compounds should be insoluble in water? A. NaCl B. MgBr2 C. FeCl2 D. AgBr E. ZnCl2 4. Based on the solubility rules, which of these processes will occur when a solution containing about 0.1 g of Pb(NO3)2(aq) is mixed with a solution containing 0.1 g of KI(aq)/100 mL? A. KNO3 will precipitate; Pb2+ and I- are spectator ions. B. No precipitate will form. C. Pb(NO3)2 will precipitate; K+ and I- are spectator ions. D. PbI2 will precipitate; K+ and NO3- are spectator ions. E. Pb2+ and I- are spectator ions, and PbI2 will precipitate. 5. Give the oxidation # for the following atoms: a. N in NaNO3 _________ b. Mn in KMnO4 _________ c. Cl in ClO3- _________ 6. Which of these equations does not represent an oxidation-reduction reaction? A. 3Al + 6HCl ( 3H2 + AlCl3 B. 2H2O ( 2H2 + O2 C. 2NaCl + Pb(NO3)2 ( PbCl2 + 3NaNO3 D. 2NaI + Br2 ( 2NaBr + I2 E. Cu(NO3)2 + Zn ( Zn(NO3)2 + Cu 7. What element is oxidized in the chemical reaction NiO2 + Cd + 2H2O ( Ni(OH)2 + Cd(OH)2? A. Ni B. Cd C. O D. H E. This is not a redox reaction. 8. Which of these chemical equations describes a precipitation reaction? A. 2H2(g) + O2(g) ( 2H2O(l) B. CaBr2(aq) + H2SO4(aq) ( CaSO4(s) + 2HBr(g) C. 2KNO3(s) ( 2KNO2(s) + O2(g) D. 2KBr(aq) + Cl2(g) ( 2KCl(aq) + Br2(l) E. 2Al(s) + 3H2SO4(aq) ( Al2(SO4)3(aq) + 3H2(g) 9. The common constituent in all acid solutions is A. H2. B. H+. C. OH-. D. H2SO4. E. Cl-. 10. Which of these chemical equations describes an acid-base neutralization reaction? A. 2Al(s) + 3H2SO4(aq) ( Al2(SO4)3(aq) + 3H2(g) B. SO2(g) + H2O(l) ( H2SO3(g) C. LiOH(aq) + HNO3(aq) ( LiNO3(aq) + H2O(l) D. 2KBr(aq) + Cl2(g) ( 2KCl(aq) + Br2(l) E. CaBr2(aq) + H2SO4(aq) ( CaSO4(s) + 2HBr(g) 11. Which of these chemical equations describes a combustion reaction? A. 2C2H6(g) + 7O2(g) ( 4CO2(g) + 6H2O(l) B. LiOH(aq) + HNO3(aq) ( LiNO3(aq) + H2O(l) C. N2(g) + 3H2(g) ( 2NH3(g) D. 2Na(s) + 2H2O(l) ( 2NaOH(aq) + H2(g) E. 2Al(s) + 3H2SO4(aq) ( Al2(SO4)3(aq) + 3H2(g) 12. What is the molarity of a solution that contains 5.0 moles of solute in 2.00 liters of solution? 13. What mass of K2CO3 is needed to prepare 200. mL of a solution having a concentration of 0.150 M? 14. A 50.0 mL sample of 0.436 M NH4NO3 is diluted with water to a total volume of 250.0 mL. What is the ammonium nitrate concentration in the resulting solution? 15. During a titration the following data were collected. A 10. mL portion of an unknown monoprotic acid solution was titrated with 1.0 M NaOH; 40. mL of the base were required to neutralize the sample. What is the molarity of the acid solution? 16. 34.62 mL of ...

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Mechanics of solids Mechanics of solids Solution Mechanics of solids - S cience concerned with stress,deformation and failure of solid materials and structures Stress- When an external force acts on a body,it undergoes deformation. At the same time the body resists deformation. The magnitude of the resisting force is numerically equal to the applied force. This internal resisting force per unit area is called stress. Stress = Force/Area Strain- When a body is subjected to an external force, there is some change of dimension in the body. Numerically the strain is equal to the ratio of change in length to the original length of the body Strain = Change in length/Original length e = L/L .

Mechanics of solids Mechanics of solidsSolutionMechanics of solids -.docx

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Measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from 8360 decaysperminute to 3115 decaysperminute over a period of 3.00 days . What is the half-life T1/2 of this isotope? Solution The fraction of an isotope remaining after a given period of time is: At/Ao = 2^(-t/h) At = the amount at time t Ao = the initial amount t is the elapsed time h is the half-life. 3115/8360 = 0.3726 = 2^(-3.00/h) Take logs: log (0.3726) = -3.00/h * log(2) -0.4287 = -3.00/h * 0.3010 Divide both sides by -0.4287; multiply both sides by h: h = -3.00 * 0.3010 / -0.4287 = 2.11 Since t was in days, h is in days, so h = 2.11 days .

Measurements of the radioactivity of a certain isotope tell you that t.docx

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May someone please help me solve this problem. Thank you very much I highly appreciate your help. May Yahuwah bless you. Kindly, ~Diana~ =) QUESTION Major Funds What are the three types of government funds? How are they used? Solution Governments and non-profit organisations comes under the Governmental Accounting Standard Board. There are three types of funds. Fiduciary Fund, 2. Proprietary Fund, 3. Governmental Funds Fiduciary Funds It is also called .

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MBO works by cascading objectives down through the organization, and these objectives become more ? At lower levels of organization. Solution MBO works by cascading objectives down through the organization, and these objectives become more SPECIFIC At lower levels of organization. Explanation: MBO works by cascading objectives down through the organization; that is, objectives are structured in a unified hierarchy, becoming more specific at lower levels of the organization. Top managers set general organizational objectives, which are translated into divisional objectives, which are translated into departmental objectives. The hierarchy ends in individual objectives set by each employee. .

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Material Science: What are the possible effects if you add a Dopant to a powder before sintering. If you were given a SEM (Scanning Electron Microscopy) image of the microstructure of a organic ceramic what effect would you see when you use a dopant on the microstructure? Sintering = make (a powdered material) coalesce into a solid or porous mass by heating it (and usually also compressing it) without liquefaction. Solution Dopants increase the porosity but when added before it might result in providing unnecessary vacancies like point defects. Grain - boundary effect will be observed when an organic ceramic with dopant is observed under SEM. .

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Match the letter with each item below to indicate how net income is ad.docx

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McDonnell-Myer Corporation reported net income of $1,150 million. The company had 469 million common shares outstanding at January 1 and sold 42 million shares on Feb. 28. As part of an annual share repurchase plan, 6 million shares were retired on April 30 for $32 per share. Calculate McDonnell-Myer\'s earnings per share for the year. Solution Number of Shares Outstanding = 469 Million Add: Shares sold= 42 Million = 42 (10/12) = 35 Less: Shares repurchased = 6 Million = 6 (8/12) = 4 Total Shares Outstanding = 500 Million Earning per share = Earning / No. of Shares EPS = 1,150 / 500 = $2.30 PER SHARE .

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Name two specific non-manufacturing costs that might be included in activity based costing that are not included in traditional product costing ? Solution Two specific non-manufacturing costs that might be included in activity based costing that are not included in traditional product costing are:- 1. Administrative Cost.:- defined as an expense incurred in controlling and directing an organization, but not directly identifiable with financing, marketing, or production operations. 2. Marginal Cost : -The increase or decrease in the total cost of a production run for making one additional unit of an item .

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Name seven (7) characteristics that impact the design of a foundation. Solution Assume only points are required (no expalanations) 1. Loads from the superstructure(includes dead and live loads) 2. Type of the soil (whether caleyey or expansive or cohesive, because the settlement depends on type of soil) 3. Bearing capacity and settlement rate of soils . 4. THe climate( Frost depth in cold climate or if the superstructure will experince wind loads due to high windy climate.) 5 geographic location( Whetehr it is in an active seismic zone etc). 6 Topography(hilly terrain or plane etc) 7 Location of water table and permeability of soils 8. Size and shape of founadtion . 9 proximity of adjacent structures. .

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Name some of the problems the ARC has encountered with handling donation money. Solution ame some of the problems the ARC has encountered with handling donation money. The American Red Cross (ARC) is an independent organization, supported by public financial donations and volunteerism. Its mission is to Ã¢â‚¬Å“provide relief to victims of disasters and help people prevent, prepare for and respond to emergencies.Ã¢â‚¬ The ARC responds to more than 70,000 disasters annually. However, the ways in which it handled 9/11 in 2001 and Hurricane Katrina in 2005 were widely criticized as being inadequate and poorly managed. The ARC has had to address allegations of fraud, bribery, and even theft on the part of volunteers and employees working for the organization. The ARC also has faced a number of internal challenges due to high turnover, as well as charges of overcompensation and possible corruption among its board of directors and upper management. .

Name some of the problems the ARC has encountered with handling donati.docx

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Name and briefly describe three different uses for interrupts. Solution Introduction : Interrupts are used to ensure adequate service response times by the processing. Sometimes, with software polling routines, service times by the processor cannot be guaranteed, and data may be lost. The use of interrupts guarantees that the processor will service the request within a specified time period, reducing the likelihood of lost data. Uses for interrupts : 1. Multiple shared devices at the same time : Interrupt Response Time Interrupt Latency .

Name and briefly describe three different uses for interrupts-Solution.docx

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Name Problem # 2 ( 2e prs ) anging not straight down, but at an angle 0 of 15 e box below She holds her n t iN sitting inside an airplane as it speeds up the runway bfon ecklace with a finger and observes it n pethe vertical, as shown in the picture inside the bok ofunknown m er necklace has a cord of negligible mass holding a heavy p hat is the magnitude of her airplane\'s acceleration a 0 i1n Solution Here , let the tension in the cable is T in the horizontal direction T * sin(?) = m*a In the vertical direction T * cos(?) = m * g Now , from the above equations sin(?)/cos(?) = (m*a)/(m*g) a = g * tan(?) the magnitude of acceleration is g*tan(?) .

Name Problem # 2 ( 2e prs ) anging not straight down- but at an angle.docx

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nalyze and explain why it is important for management to provide employees with continuous formal and informal feedback-whether it be positive or critical/constructive. Solution The specific reasons for doing employee performance reviews vary among small businesses. Objectives should help build a commitment to do the reviews, build enthusiasm for the reviews within the management team , and gain support from employees. Possible objectives include: Such a list can be a starting point for discussion in the management team and with key employees. Their support will be critical to success with employee reviews. Facing misunderstanding, skepticism, fear, and outright rejection comes most easy early in the planning process. Consensus building on objectives can be used to promote honest discussion. .

nalyze and explain why it is important for management to provide emplo.docx

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myctfitemView?offset-next&assignmentProblemID-; 103375190 Based on position in the periodic table and electron Rank the elements from highest to lowest ionization energy. To rank items as equivalent, overlap them. View Available Hintts) configuration, arrange these elements in order of decreasing E Reset Help Highest ionization energy Lowest ionization energy Se As Ga Rb The correct ranking cannot be determined Submit Previous Answers Incorrect; Try Again; 3 attempts remaining: no points deducted Fs - Fs F7 Fe FVO Solution Ionization energy is the energy required to remove an electron from a gaseous atom or ion. Generally as we go across a period from left to right, the first ionization energy increases, on the other hand first ionization energy decrease in going down a group. Hence the order of ionization enerfy from highest to lowest is as follows: S> As > Se> Ga>K>Rb .

myctfitemView-offset-next&assignmentProblemID-- 103375190 Based on pos.docx

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Mrs. F has invited several wives of delegates to the United Nations for an informal luncheon. She plans to seat her 9 guests ina row such that each lady will be able to converse with the person directly to her left and right. She has prepared the following list. Mrs. F speaks English only. Mrs. G speaks English and French. Mrs. H speaks English and Russian. Mrs. J speaks Russian only. Mrs. K speaks English only. Mrs. L speaks French only. Mrs. M speaks French and German. Mrs. N speaks English and German. Mrs. O speaks English only. How many distinct seating arrangements are possible? Give all possible seating arrangements. Note that ABCD and DCBA are the same. Solution 126 distinct seating arrangements are possible. :) .

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Match the Interface with its most efficient implementation. Map: TreeMap, HashMap, EnumMap, TreeSet, HashSet, EnumSet, ListMap, or ListSet? Set: TreeMap, HashMap, EnumMap, TreeSet, HashSet, EnumSet, ListMap, or ListSet? Set (of enumeration types) TreeMap, HashMap, EnumMap, TreeSet, HashSet, EnumSet, ListMap, or ListSet? SortedSet TreeMap, HashMap, EnumMap, TreeSet, HashSet, EnumSet, ListMap, or ListSet? Solution Please find below the interface and its corresponding efficient implementations: Map : HashMap Set : HashSet Set (of enumeration types) : EnumSet SortedSet : TreeSet .

Match the Interface with its most efficient implementation- Map- TreeM.docx

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My Notes Ask Your Teach Two identical diverging lenses are separated by 17 cm. The focal length of each lens is -8.0 cm. An object is located 4.0 cm to the Ie left of the lens that is on the left. Determine the final image distance relative to th Additional Materials ASection 26.9 Solution here, the sepration , d = 17 cm for the first lens focal length , f1 = -8 cm object distance , do1 = 4 cm let the image distance be di1 1/f1 = 1/di1 + 1/do1 - 1/8 = 1/di1 + 1/4 solving for di1 di1 = - 2.67 cm for the seccond lens focal length , f2 = -8 cm object distance , do2 = 19.67 cm let the image distance be di2 1/f2 = 1/di2 + 1/do2 - 1/8 = 1/di2 + 1/19.67 solving for di2 di2 = - 5.69 cm .

My Notes Ask Your Teach Two identical diverging lenses are separated b.docx

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My Notes Ask Your Tesch away using a camera that has a lens with a focal length of 50 mm. She then takes a second picture when she is only 7.0 km away, What is the ratio of the height or the mountain\'s lmage on the film for the second picture to its height on the film for the first picture? Additional Materials D Section 26.8 Solution The height of the mountain\'s image hi = - ho ( di/ do ) The image distance di is determined from thelens equation 1 / f = 1 / di + 1 / do as do >>compared to f, 1 / f >> 1 / do therefore, di =f Therefore, the image height, hi= ho ( f / do ) Applying for the two pictures\' hi1 = ho f / do16km ) and hi2 = ho f/ do 7km ) 0r hi16 / hi7 = do7km / do 16km =7 / 16 0r hi7 / hi16 =16 / 7 = 2.286 .

My Notes Ask Your Tesch away using a camera that has a lens with a foc.docx

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MUS101 Women made huge steps for being recognized musically in the Romantic Period in the 19th century. What were some of the difficulties women had faced during this time? Can you compare the treatment of women then, with the society of today? (PLEASE NO PLAGIARISM). Solution he music of Fanny Mendelssohn Hensel has been neglected until recent years, when she was lifted from the shadow of her famous brother, Felix, to reveal her genuine talents. Well-educated in music and recognized in her lifetime as a gifted composer, she remained reluctant to make her compositions public. Her story enhances our modern-day understanding of the challenges faced by Romantic-era women musicians. Fanny Mendelssohn Hensel .

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