5.1.1 Endothermic: A reaction in which energy is absorbed. If your reactants are at a lower energy level than your products then the reaction is endothermic this means it has a + ΔH° Exothermic: A reaction in which energy is released. If your reactants are at a higher energy level than your products then the reaction is exothermic this means it has a ΔH° Standard Enthalpy ( ΔH°) The internal energy stored in the reactants. Only changes in enthalpy can be measured
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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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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education *9202671358* CAMBRIDGE INTERNATIONAL MATHEMATICS Paper 4 (Extended) 0607/04 October/November 2010 2 hours 15 minutes Candidates answer on the Question Paper Additional Materials: Geometrical Instruments Graphics Calculator READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. Do not use
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Comparative Analysis of the Subjects (Filipino & History) and the Performances of Grade 7 Students. Authors: Alison Angeline Shaina D. Balois Ponciano S. Felias III Carissa May R. Pascua Donita C. Peñaranda Gio Mar C. Porto Fourth Year – S.Y 2012-2013 New Buenavista Academy Table of Contents Content Page Title Page . . . . . . . . . . . . . . . . . . . . . . . . Table of Contents . . . . . . . . . . . . . . . . .
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www.ifgict.org Version 2. 2014 History IFGICT Standards IFGICT sustainability standards dedicated to all ICT products‚ services‚ and companies involved in ICT. The IFGICT standards provide criteria and guidelines for manufacturers‚ service providers‚ and companies to work toward sustainability and reach IFGICT certifications. www.ifgict.org Process - Steps to become certified Registration Audit Program Onsite Visit/ Conference Call Certification Benefits The world
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FATHER INVOLVEMENT IN CHINESE AMERICAN FAMILIES AND CHILDREN’S SOCIO-EMOTIONAL DEVELOPMENT Lillian Elizabeth Wu B.A.‚ University of California‚ Berkeley‚ 2005 THESIS Submitted in partial satisfaction of the requirements for the degree of MASTER OF ARTS in EARLY CHILDHOOD EDUCATION at CALIFORNIA STATE UNIVERSITY‚ SACRAMENTO FALL 2009 FATHER INVOLVEMENT IN CHINESE AMERICAN FAMILIES AND CHILDREN’S SOCIO-EMOTIONAL DEVELOPMENT A Thesis by Lillian Elizabeth Wu Approved
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Math Review for the Quantitative Reasoning Measure of the GRE® revised General Test www.ets.org Overview This Math Review will familiarize you with the mathematical skills and concepts that are important to understand in order to solve problems and to reason quantitatively on the Quantitative Reasoning measure of the GRE revised General Test. The following material includes many definitions‚ properties‚ and examples‚ as well as a set of exercises (with answers) at the end of each
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EUROPEAN SCHOOL Mathematics Higher Level Portfolio Type 1 SHADOW FUNCTIONS Candidate Name: Emil Abrahamyan Candidate Number: 006343-021 Supervisor: Avtandil Gagnidze Session Year: 2013 May Candidate Name: Emil Abrahamyan Candidate Number: 006343-021 Mathematics Higher Level Type 1: Shadow Functions SHADOW FUNCTIONS The Aim of the Investigation: The overall aim of this investigation is to investigate different polynomials with different powers and create shadow function
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The purpose and value of creativity in primary mathematics education Within this essay I am going to discuss the complex notion of creativity‚ in specific relation to creative teaching within the subject of mathematics. I will define the issues of interpreting creativity and the debates surrounding these issues. Secondly I am going to look at theories of creativity and the different views which have been argued. In relation to pedagogy‚ I will examine if the amount of assessment that teachers
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respects‚ it is missing certain important higher-level skills and values of critical thinking. Most significantly‚ it fails to consider‚ in good faith‚ viewpoints that contradict its own viewpoint. It lacks fair-mindedness. Another traditional name for the weak-sense thinker is found in the word sophist. Sophistry is the art of winning arguments regardless of whether there are obvious problems in the thinking being used. There is a set of lower-level skills of rhetoric‚ or argumentation‚ by which
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