40 170 101 1400 1000 400 200 50 150 102 1590 1060 530 190 60 130 103 1770 1130 640 180 70 110 104 1940 1210 730 170 80 90 105 2100 1300 800 160 90 70 106 2250 1400 850 150 100 50 107 2390 1510 880 140 110 30 108 2520 1630 890 130 120 10 109 2640 1760 880 120 130 -10 110 2750 1900 850 110 140 -30 Chapter 2 (1‚4‚17 pp. 66-70) 1. The The X-Corporation produces a good (called X) that is a normal good. It’s competitor‚ Y-Corp.‚ makes a substitute good that it markets under the name “Y‚” Good
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Determining the composition of pennies with redox reactions Introduction: The understanding of oxidation and reduction must be clear to carry out this lab. With the understanding of these concepts we can calculate or hypothesize for the properties of each element or compound. Oxidation involves the gain of electrons of hydrogen or the loss of oxygen or decrease in oxidation state. If zinc completely reacts with HCL‚ then the theoretical yield of copper should be equivalent to the actual yield
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Chemistry 101 Chapter 4 Practice Test February 2013 1. A 20.0-g sample of HF is dissolved in water to give 2.0 102 mL of solution. The concentration of the solution is: a) 1.0 M b) 3.0 M c) 0.10 M d) 5.0 M e) 10.0 M Ans: d) 5.0 M Page: 4.3 2. Which of the following aqueous solutions contains the greatest number of ions? a) 400.0 mL of 0.10 M NaCl b) 300.0 mL of 0.10 M CaCl2 c) 200.0 mL of 0.10 M FeCl3 d) 200.0 mL of 0.10 M KBr e) 800.0 mL of 0.10 M sucrose ANS:
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edition of the C3. This was also the first time that a Corvette was used as a Pace Car for the Indianapolis 500.[26] Engines and chassis components were mostly carried over from the C2‚ but the body and interior were new. The 350 cu in (5.7 L) engine replaced the old 327 cu in (5.36 L) as the base engine in 1969‚ but power remained at 300 bhp (224 kW). 1969 was the only year for a C3 to optionally offer either a factory installed side exhaust or normal rear exit with chrome tips. The all-aluminum ZL1
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STK 1084 Inorganic Chemistry I‚ LU 3 Oxidation – Reduction Reactions‚ Prepared By: Dr. Tay Meng Guan‚ Faculty of Resource Science and Technology‚ Universiti Malaysia Sarawak. LU 3 Oxidation and Reduction Reactions 3.1 Ideas of Oxidation and Reduction Oxidation of an atom can be occurred in the following conditions: 1. Losing an electron from the orbitals. e.g.: A A+ + e- 2. Adding an electronegative element (e.g.: F‚ Cl‚ Br‚ O) to a molecule. e.g.: A + F AF 3. Losing hydrogen
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kvt\ln°msXbpamWv \mw Pohn°p∂Xpw acn°p∂Xpw. kµ¿`w Bhiys∏Sp∂ps≠¶n¬ AXnsemcp ¢otjbpan√. {]WbIYt]mse as‰¥p ¢otjbmWp≈Xv. ckIcambn ssIImcyw sNøp∂nStØmfw Imew AXv \ne\n¬°p Ibpw sNøp∂p’’. hn{ipX \S\mb Nm¿en Nmπn≥ C‚¿hyq°mc\mb dn®m¿Uv sadnamt\mSv ]d™XmWv Cu hm°pIƒ. AtX‚ PohnXsØ FgpXm\mWv Hmtcm FgpØpImcpw {ian°p∂Xv. AhnsSbmWv Nm¿en Nmπns‚ hm°pIƒ tN¿∂pt]mIp∂Xv. Nnc]cnNnXhpw \nch[n BfpIƒ FSpØp{]tbmKn°p∂Xpamb PohXsØØs∂ FgpXphm≥ XpSßptºmƒ AXv D]tbmKn®p]gInb Id≥kn t]mse apjn™p t]mbn´pw Id≥knbmbXn\m¬ D]tbmKnt°≠n
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of each type and the total charge must be equal on each side of the equation. Equations 1) Cu + 4H+(aq) + 2NO3-(aq) Cu2+(aq) + 2NO2 + 2H2O 2) Cu2+(aq) + 2-OH(aq) Cu(OH)2 3) Cu(OH)2 + heat CuO + H2O (Balanced) 4) CuO + H2SO4 Cu2+(aq) + SO42-(aq) + H2O (Balanced) 5) Cu2+(aq) + Zn + Cu + Zn2+(aq) (Balanced) Stage 1 Dissolution of Copper Mass of vial
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Introduction to Materials Science and Engineering Chapter 1. Introduction Hyung-Joon Shin School of Mechanical and Advanced Materials Engineering Ulsan National Institute of Science and Technology (UNIST) UNIST 2011 Spring AME20201 Introduction • Course Objective: Introduce fundamental concepts in Materials Science • You will learn about: • material structure • how structure dictates properties • how processing can change structure the final grade. Please actively take part in the class
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(well‚ it is chemical potential energy to be precise. Concentration gradient is not sufficient condition for diffusion.) Interdiffusion • Interdiffusion: In an alloy‚ atoms tend to migrate from regions of large concentration. Initially Cu 100% 0 After some time Ni 100% Concentration Profiles 0 Concentration Profiles DIFFUSION MECHANISMS Substitutional diffusion and interstitial diffusion (1) Substitutional (Vacancy) Diffusion: • applies to substitutional impurities
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1. a. The simulation indicates that 584 is the optimum stocking quantity. Daily profit at this stocking quantity is $331.4346. b. Using the newsvendor model‚ Cu = 1 - 0.2 = 0.8 and Co = .2. Cu /(Cu + Co) = .8. Using the spreadsheet‚ we found Q* = NORM.INV(.8‚500‚100) = 584.16. The simulation and newsvendor model give the same optimal stocking quantity. 2. a. According to the simulation spreadsheet‚ 4 hours of investment in creation maximizes daily profit at $371.33. b. Sheen would choose an
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