5.1 5.2 Apply the net present value (NPV) capital budgeting technique to determine the NPVS for the two drill presses. (13) Recommend to Global's management which one of the two drill presses should be considered as the replacement and substantiate your decision. (5)

5.1 5.2 Apply the net present value (NPV) capital budgeting technique to determine the NPVS for the two drill presses. (13) Recommend to Global's management which one of the two drill presses should be considered as the replacement and substantiate your decision. (5)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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4.14
1. A boiler burns fuel oil with the following analysis by mass : 80% C 18% H2 2%S 30% excess air is supplied to the process. Calculate the stoichiometric ratio by mass and the % Carbon Dioxide present in the dry products. (15.62/1 14.9% CO2) 2. A boiler burns coal with the following analysis by mass : 75% C 15% H2 7%S remainder ash Calculate the % Carbon Dioxide present in the dry products if 20% excess air is supplied. (16.5% CO2) 3. Calculate the % of each dry product when coal is burned stoichiometrically in air. The analysis of the coal is: 80% C 10% H2 5% S and 5% ash. (76.7%N, 22.5% CO2 0.8% SO2)
A fuel composed entirely of methane (CH 4 ) and nitrogen (N 2 ) is burned withexcess air. The flue gases analyze 7.5% CO 2 , 7% O 2 and the remainder, N 2 .Calculate:(a) percentage of excess air(b) analysis of fuel gas(c) analysis of flue gas (wet basis)
Nitroglycerin is a dangerous powerful explosive that violently decomposes when it is shaken or dropped. The Swedish chemist Alfred Nobel (1833-1896) founded the Nobel Prizes with a fortune he made by inventing dynamite, a mixture of nitroglycerin and inert ingredients that was safe to handle. 1. Write a balanced chemical equation, including physical state symbols, for the On decomposition of liquid nitroglycerin (C;H;(NO3),) into gaseous dinitrogen, gaseous dioxygen, gaseous water and gaseous carbon dioxide. 2. Suppose 74.0 L of carbon dioxide gas are produced by this reaction, at a temperature of - 13.0 °C and pressure of exactly 1 atm. Calculate the mass of nitroglycerin that must have reacted. Round your answer to 3 significant digits.
7.10 Before solving the problem please also give a brief explanation of the concept or associated equation(s) and variables. Believe answers should be something like... a) 2.2 x 10-20 J b) 9.2 micrometers
Nitroglycerin is a dangerous powerful explosive that violently decomposes when it is shaken or dropped. The Swedish chemist Alfred Nobel (1833-1896) founded the Nobel Prizes with a fortune he made by inventing dynamite, a mixture of nitroglycerin and inert ingredients that was safe to handle. 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of liquid nitroglycerin (C,H;(NO3),) into gaseous dinitrogen, 5 gaseous dioxygen, gaseous water and gaseous carbon dioxide. x10 2. Suppose 30.0 L of carbon dioxide gas are produced by this reaction, at a temperature of -7.0 °C and pressure of exactly 1 atm, Calculate the mass of nitroglycerin that must have reacted. Round your answer to 3 significant digits. g
2. Use the Group I known mixture of Ag Pb Hg.pdf _ to help identify which Group I metal cations are in your unknown. Your unknown code will be sent in a message via Canvas Oct 3. Open the Group I unknowns page and open the letter of your unknown from the message. Respond in the same text box as for questions 1,2, and 3 with Group I metal ions present in your unknown: metal ions absent: and How did you conclude these metal ions were present? (Write a sentence or two - do not be flippant or vague.)
Photosynthesis in plants converts carbon dioxide and water into glucose (C6H1206) and oxygen according to the equation below. 6CO2 (g) + 6H20a → C6H1206 (s) + 602 (g) Substance СО2 (8) H20M C6H1206 (s) 02 (g) kJ AH°; (mol -393.5 -285.8 -1273.3 J H° mol. k 213.6 69.9 209.2 205.0 Calculate the AHº, ASº, and AGº. Is the reaction spontaneous at standard conditions?
8:27 AA A bartleby.com = bartleby E Q&A cience / Chemistry / C... / Iron reacts with hydrochloric aci... : Iron reacts with hydrochloric acid to p... napter 10, Problem 31PS Textbook Problem Iron reacts with hydrochloric acid to produce iron(II) chloride and hydrogen gas: Fe(s) + 2 HCl(aq) → FeCl2(aq) + H2(g) The H2 gas from the reaction of 2.2 g of iron with excess acid is collected in a 10.0-L flask at 25 °C. What is the pressure of the H2 gas in this flask? Want to see the full answer? Check out a sample textbook solution.
(5) A standard sclution of hydrated iron(II) sulphate, FeSO,.XH20, was preparcd by dissolving 5.8 g of the salt in a volumetric flask and making it up to 250 mL (250 cm³). Twenty-five millilitres (25 mL (25 cm³)) of this solution was acidified and found to react exactly with, 22.8 cm³ (22.8 mL), of 0.018 M potassium 3 permanganate solution. The half-equations for the reaction are: JAS 00 MAC aJTT MNO4 (aq) + 8H*(aq) Fe*(aq) + Mn2“(aq) + 4H20(1) → Fe*(aq) + e MOTTAMIMAXE 2+ (i; What is the indicator for the titration of a solution of iron (II) sulphate and potassium permanganate soluticn? (ii) Indicate the colour at the end point if the permanganate is in the burette. blood ofieido rosd sl (iii) Why is it necessary to acidify the iron(II) solution before titration? o sd am eorsiuols
Solid baking soda (soolim bicarboncte) reacts with vinegar to groowee carbon dibxrde, water and sodium acetate (agueous). Hqueous lead (1D nitrate rea cts with potasesium sulfide (aqueous to produce a greciprtate of lead () sulfide and agueoos potasslum nitrode . * All equations must be balaned ŷ state symbole must be Activity included of symbols
4. (cont.) (e) CO2 (g) + H20 (1) → 5. Balance the following equations; write the ionic equations and the corresponding balanced net ionic equation with the proper phase symbols (if different from the ionic equation). H2SO4 (aq) + NaOH (ag) > Na2SO4 (aq) + H20 (1) (a) (b) Al203 (s) + HCl (aq) → AIC13 (aq) + H20 (1) (c) H2SO3 (aq) КОН (aq) > K2SO3 (aq) + H20 (1) (d) HC2H3O2 (aq) + Ca(OH)2 (aq) →. Ca(C2H3O2)2 (aq) +. H20 (1) 55