Robbins e. Drucker 7. Some people who are not in formal leadership positions nonetheless have referent power and exert influence over others because of their: a. emotional effects b. likability c. charismatic dynamism Th ink sw ap Do cu me nt d. all of the above 8. All of the following are strengths of a simple organisational structure EXCEPT: a. it’s inexpensive to maintain. b. it’s flexible. c. accountability is clear. d. it’s
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The data gathered and calculated in the experiment accurately portrayed the way the reactions would have taken place. The chloride analysis was a little bit off from other groups due to the fact that our AgCl was in clumps‚ creating less surface area‚ thus our product took longer to burn and may not have burned correctly compared to other groups; yet there are several experimental factors that could have caused us to have different results than other groups‚ i.e. different measurements for samples
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The Displacement Reactions Purpose: to see how displacement reaction works with different chemicals and what chemical has more reactivity series then other Hypothesis: Iron + Copper Sulfate: Iron will displace copper because it is more reactive and it is going to end up as Iron Sulphide + Copper Copper + Silver Nitrate: Copper will displace Silver because it is more reactive and it is going to end up as Copper Nitride + Magnesium + Copper oxide: Magnesium will displace Copper because it
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season. Consider an item that retails for $45 dollars and costs LL Bean $25. The liquidation price for this item will be $15. The sales forecast for this item is 12‚000. What order quantity would LL Bean choose for this item? Based on the Cu/(Co+Cu) ratio that equals 20/(10+20) =0‚667 and the A/F distribution‚ we end-up with a probability of 0‚676 given the round up rule. Hence LL Bean should order 12 000 * 1‚179975 = 14160 items to maximize its profit. (We used the distribution derived from
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reactants for each reaction: • zinc – Zn copper sulfate – CuSO4 In well 1A there was a chemical reaction which turned the zinc black‚ while the copper sulfate was still blue. AX + B → A + BX Zn + CuSO4 → ZnSO4 +Cu • aluminum – Al copper sulfate – CuSO4 In well 2A there was no reaction between the aluminum and copper sulfate. The aluminum floated and there was no change in color‚ gas released‚ or precipitates which identifies that there
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occupy 22400 cm3 at 0oC. (For chlorine‚ a = 6.49 L2-atm/mol and b = 0.0562L/mol.) (10 marks) 5. (a) The standard potential of Zn2+/Zn electrode is -0.76V‚ and the standard potential of the cell Zn(s)│Zn2+(aq)║Cu2+(aq) │Cu(s) is 1.10V. What is the standard potential of the Cu2+/Cu electrode? (2 marks) (b) What will be the potential if the zinc ion concentration and the copper ion concentration are 0.025M and 0.25M respectively? (5 marks) (c) Calculate‚ (i) the change in the free energy of the
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and ns orbitals and (b) extra stability of half filled and completely filled orbitals in case of Cr and Cu in 3d series. Cr : Is 2 2s2 2p6‚ 3s2 3p6 4s1 3d5 Cu : Is2 2s2 2p6‚ 3s2 3p6 4s1 3d10 To write the electronic configuration of Mn+‚ the electrons are first removed from ns orbital and then from (n - 1) d orbitals of neutral‚ atom (if required). For example‚ the electronic configuration of Cu+‚ Cu2+ and Cr3+ are respectively 3d10 4s°‚ 3d9 4s° and 3d3 4s°. m o .c y a d with the help of above. The
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I bought a new security token and all I got was this lousy phish— Relay attacks on visual code authentication schemes Graeme Jenkinson‚ Max Spencer‚ Chris Warrington‚ Frank Stajano {graeme.jenkinson‚ max.spencer‚ chris.warrington‚ frank.stajano}@cl.cam.ac.uk University of Cambridge Computer Laboratory‚ Cambridge‚ UK Abstract. One recent thread of academic and commercial research into web authentication has focused on schemes where users scan a visual code with their smartphone‚ which is a convenient
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r Lab Report 5 Introduction to the Classes of Chemical Reactions Course: Chem. 1151L‚ Tuesday & Thursday June 23‚ 2011 Mr. Nasir Uddin Pre Lab Questions: 1. CaBr2 (aq) + K3PO4 (aq) → CA(PO4)2(S) + KBr (aq) = Ca3(PO4)2 + 6 KBr Double Replacement 2. Li(s) + O2(g) = Li2O(s) =2 Li2O Decomposition 3. CH4 + O2 = CO2 + H2O = CO2 + 2 H2O Combination 4. AgBr(s) = Ag (s) + Br2(l) = 2 Ag + Br2 Combination 5. Mg(s) + H2SO4 (aq) = MgSO4 + H2
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Aim To prepare a sample of cuprammonium rayon threads from filter paper Apparatus Required a) Conical flask (preferably 250 ml) b) Funnel c) Glass rod d) Beaker (preferably 250 ml) e) Water bath f) Filter paper (Whatman paper or ordinary filter paper sheets. Preferably‚ Whatman) Chemicals Required a) CuSO4 b) NaOH solution c) Liquor ammonia solution d) Dilute H2SO4 e) Whatman Paper f) Distilled H2O Background Rayon is a synthetic
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