Thermochemistry IB questions 1. Ammonium nitrate‚ NH4NO3‚ dissolves readily in water according to the equation: NH4NO3(s) NH4+(aq) + NO3-(aq) H = 28kJ mol-1 Which of the following contribute(s) to the occurrence of this process? I. The system moves to lower enthalpy. II. The system becomes more disordered. a. I only b. II only c. Both I and II d. Neither I nor II 2. Which substance has the largest lattice energy? a. NaF b. KCl c. MgO d. CaS 3. A certain reaction is spontaneous
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IB CASE STUDY * CHAPTER 2 [OBJ 2] Successful companies have insightful strategies‚ great supply chains and sharp financial systems. Ultimately‚ though‚ success is a function of the people who start and sustain the company. The challenge of putting the right person into the right job in the right place at the right time for the right compensation takes us to the front lines of international business. One can evaluate HRM from many perspectives. Two reasons motivate an executive perspective
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ENGG1100 Introduction to Engineering Design Introduction to Engineering Drawing Professor Yunhui Liu Dept. of Mechanical and Automation Engineering Spring‚ 2014 MAE Dept.‚ The Chinese University of Hong Kong 1 What is Engineering Drawing? An engineering drawing is a type of technical drawing used to fully and clearly define requirements for engineered items (from en.wikipedia.org) • a formal and precise way (graphic language) for communicating information about the shape
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IB Physics Internal Assessment Andy Tang Research Question In this internal assessment‚ I am given a cantilever to find the physical properties of it. I decide to investigate the relationship between the force I act on one side of the cantilever and the maximum acceleration the tail can reach. This experiment will be also showing the elasticity of the cantilever. Since I pull down one side of it and fixed the other side‚ when I cut the string‚ it will bounce up and down until all the internal
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Name of activity: Marching Band CAS: Creative- Summer 2011 Learner Outcome: Planned and initiated activities‚ worked collaboratively with others Contact: Lisa Brininstool- lbrinistool@hanover.k12.va.us The marching band season began the first week of August with band camp from 8:00 am to 5:00 pm. The show‚ titled “Essentially Elemental”‚ integrated both hard technical musical skills with an intense drill to create a creative and emotional show that truly captured the watcher’s attention. In
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CARIBBEAN EXAMINATIONS COUNCIL Car ib b e an Se con d ar y Ed ucat ion Ce r t if icat e ® CSEC® BIOLOGY SYLLABUS a) Effective for examinations from May–June 2015 NCH 2.SYLLABUS CXC 20/G/SYLL 13 Published by the Caribbean Examinations Council All rights reserved. No part of this publication may be reproduced‚ stored in a retrieval system‚ or transmitted in any form‚ or by any means electronic‚ photocopying‚ recording or otherwise without prior permission of the author or
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Chapter 01 A View of Life 1. Organisms belonging to the same _____ would be the most closely related. A. kingdom B. phylum C. family D. class E. order 2. A university biology department wishes to hire a scientist to work on the relationships among the wolves‚ moose‚ trees and physical features on an island. If you were charged with writing the job description‚ you should title the position A. population geneticist. B. molecular biologist. C. community ecologist. D. organismal physiologist
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areas of knowing the strongest contradiction is between human science and natural science. Human sciences are also known as the social sciences which include anthropology and psychology. Natural sciences on the other hand include sciences such as biology and pharmacology. As we are in the quest of knowledge in these two divergent areas of knowledge‚ the type of knowledge we are searching for is important to determine. If one is to make progress in a subject that represents what he or she has learned
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2013-2014 Standard Level IB Business and Management Internal Assessment Will the acquisition of Tumblr by Yahoo significantly help this former “internet pioneer regain traction with younger internet users”? Word Count: 1438 Candidate Name: Phoebe‚ Leung Ching Lam Candidate Number: 003069-037 Class: F6.CassiaContents Page 1. Introduction The purpose of this essay is to investigate whether the acquisition of Tumblr by Yahoo will significantly help the former Internet pioneer regain
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The pieces concentrate on the relationship between biological systems and changing architectural design approaches and methods through their history‚ method and development. In his article Bioconstructivisms‚ Detlef Mertins focuses on the relation of emerging approaches for architectural design in the last century to the explorations and new understandings in science. Addressing Otto’s design on complex and dynamic curvature structures and showing a beginning for a kind of new era; the writer
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