Determining Stoichiometric Ratios: NaOH and HCl & NaOH and H2SO4 Reactions Contents Introduction 3 Materials & Procedure 4 Raw Data 8 Processed Data 15 Graphs 16 Conclusion & Evaluation 17 Introduction Background Information Stoichiometry is a critical component in chemistry‚ and helps in understanding the quantitative relationship between the number of moles of reactants and products in a reaction. Objective In this experiment‚ the reactions
Premium Hydrochloric acid Chemical reaction Thermodynamics
Fish Production Gold Medal Heights INTRODUCTION What is the purpose of this document? This document contains new tasks for the portfolio in mathematics SL. These tasks have been produced by the IB‚ for teachers to use in the examination sessions in 2012 and 2013. It should be noted that most tasks previously produced and published by the IB will no longer be valid for assessment after the November 2010 examination session. These include all the tasks in any teacher support material (TSM)‚ and
Premium Olympic Games Task Ancient Olympic Games
Certificate of Education Advanced Subsidiary Examination SOCIOLOGY Unit 1 Specimen Paper Showing Layout from 2005 In addition to this paper you will require: an 8-page answer book. SCY1 Time allowed: 1 hour 15 minutes Instructions • Use blue or black ink or ball-point pen. • Write the information required on the front of your answer book. The Examining Body for this paper is AQA. The Paper Reference is SCY1. • This paper is divided into three Sections. Choose one Section and answer all parts
Premium Question Answer Completeness
Internal Assessment IB Physics-7 Mr. Parent 14 January 2012 I. Design • Purpose: o To determine how the surface area of a coffee filter affects the average velocity of the coffee filter from the same height. • Variables: o Independent Variable ▪ Surface area- The area of the surface after the folds have been made o Dependent Variable ▪ The Average velocity- calculated by measuring the time and dividing by
Premium Area Surface area
Hoang‚ Sophia Candidate # 001430096 Artist Statement I create art because this passion and curiosity has been with me ever since I was a toddler‚ running around and doodling on any surface possible. In this course I wanted to learn techniques that would help me improve my style. I wanted to broaden my creativity by creating abstract works and designing dresses that mimic Alexander McQueen’s. And also to learn new mediums to create mixed media art because I find those artworks to be unusual
Premium Design Creativity Graphic design
Chemistry SL Internal Assessment: Enthalpy Change Design Lab Experiment: Reaction of distilled water and solid sodium hydroxide RESEARCH QUESTION How does the heat released during the reaction between distilled water and Group 1 elements (lithium‚ sodium and potassium) vary as one goes down the group? OBJECTIVE The objective of the experiment is to measure the heat change during the reactions with minimal heat loss to the surroundings. MATERIALS The materials to be used in this experiment
Premium Sodium Potassium Lithium
Math Studies: Units Project Talha Mirza 1A Gilmartin Dear noble tribe leaders of T-Island‚ I have created a brand-new system of units for us to use in our daily lives called the T-Dog system. You will find this system to be quite useful‚ as it includes six unique units which measure temperature‚ length‚ time‚ weight/mass‚ volume/displacement‚ and currency. By utilizing these units‚ life will be made easier for us. Moreover‚ if it is ever decided to switch to other well-known systems‚ it is
Premium Units of measurement Metric system Measurement
Imagine living in a Puritan society where everyone loves God‚ almost to the point of obsession‚ and will judge a person on anything they think defies his will. The Scarlet Letter by Nathaniel Hawthorne is about a women in a puritan society who committed the crime of adultery and has to wear a scarlet A on her chest to cause public shame. At the end of the book it is revealed that Arthur Dimmesdale was her companion in this affair. Dimmesdale is a very complex character who changes many times throughout
Free Nathaniel Hawthorne The Scarlet Letter Hester Prynne
Dependency of a Boxer’s Win rate on Reach and Gender Antonio Paolo Gomez Candidate No. 003902-006 Northbridge International School Cambodia Math Studies Internal Assessment Word Count: 1655 Statement of Task 3 Plan 3 Data 4 Math Processes 5 Simple math processes: 5 Pearson’s Correlation Coefficient r: 7 Chi-Square 8 Discussion/Validity 10 Conclusion 10 Works Cited 11 Statement of Task Boxing is a very well known sport around the world‚ where two disciplined athletes face off in a ring
Premium Gender Male Female
Version 1.0 abc General Certificate of Secondary Education Mathematics 4360 Unit 3 Foundation Tier 43603F Mark Scheme Specimen Paper Mark Schemes Principal Examiners have prepared these mark schemes for specimen papers. These mark schemes have not‚ therefore‚ been through the normal process of standardising that would take place for live papers. Further copies of this Mark Scheme are available to download from the AQA Website: www.aqa.org.uk Copyright © 2009 AQA and its licensors
Premium General Certificate of Secondary Education England