Enthalpy of Neutralization Ms. Wilkins - SCI510: AP Chemistry Student Name Removed Jan 14, :48:22 PM
|
|
- Benjamin Stephens
- 6 years ago
- Views:
Transcription
1 Smart Science Report Enthalpy of Neutralization Ms. Wilkins - SCI510: AP Chemistry Student Name Removed Jan 14, :48:22 PM Any instructor comments appear in a box below each answer. Report is ready for grading. Introduction: Briefly describe the physical behavior you investigated. What is the exploration about? What are you trying to discover? Relate to any previous work. Use new vocabulary words, if you can. This exploration was about determining whether all neutralizations have positive or negative enthalpies, that they have either of them, or if neutralization reactions have inconsistent enthalpies. I am trying to discover what types of enthalpies neutralizations have. I cannot relate to any previous work. Procedure: Describe the apparatus and the values graphed. Describe the apparatus briefly (picture on right). How did you collect data? What quantity does the data represent? The apparatus consisted of an analytical balance, a calorimeter on a magnetic stirrer, and a thermometer. I collected the data by running several acid/base reactions in a calorimeter and then measuring the temperature to determine whether it went up or down and recorded the results on graphs. The quantity that the data represents (what I measured) is the temperature of each neutralization reaction.
2 Online HCl-NaOH Neutralization=HCl-NaOH
3 Online 2HCl-NaOH Neutralization=2HCl-NaOH
4 Online H2SO4-NaOH Neutralization=H2SO-NaOH
5 Online 2HCl-NH3 Neutralization=2HCl-NH
6 Online NaOH-HOAc Neutralization=NaOH-HOAc
7 Results: Describe how the results from each experiment differ. What is the meaning of your data? Explain differences in your graphs. Explain differences in any summary information shown above your graphs. Note data errors. The meaning of my data is that it shows that all neutralizations have negative enthalpies. The differences in my graphs are that the temperature increases faster for some of the reactions and it also increases more for some than for others. The differences in the summary information shown above my graphs are that the slope is larger for some of the graphs than for others. Errors in the data may occur from calibrations of the calorimeter that are not accurate, not reading the thermometer correctly, faults in volume measurements, mistakes in solution preparations, and calorimeter heat loss or gain. Hypotheses All neutralization reactions have negative enthaplies. All neutralization reactions have positive enthaplies. Neutralization reactions may have negative or positive enthaplies. Neutralization reactions show inconsistent results. Conclusions: Explain how your results prove hypotheses are false. How did you decide which hypotheses were false? How do your graphs and data support your decision? If you have more than one hypothesis not marked false, explain. I decided which hypotheses were false by calculating the temperature change for each of the reactions and determining whether the temperature went up or down. Since the temperature went up in all of the reactions, and since an increase in temperature indicates a negative enthalpy, I concluded that all neutralization reactions have negative enthalpies. The way that my graphs and data support my decision is that they show that the temperature for each of the reactions went up, and that indicates a negative enthalpy for each of the reactions, so therefore the graphs support my hypothesis that all neutralization reaction have negative enthalpies. I do not have more than one hypothesis not marked false. Quiz (25.00%) grade: 3.00 Warm-up quiz (57.14%) grade: 0.00 Patent No. 6,529,705 Smart Science Trademark Registration No. 2,941,025. Copyright Smart Science Education Inc., smartscience.net
Systems of Linear Equations
4 Systems of Linear Equations Copyright 2014, 2010, 2006 Pearson Education, Inc. Section 4.1, Slide 1 1-1 4.1 Systems of Linear Equations in Two Variables R.1 Fractions Objectives 1. Decide whether an
More information6-4 Solving Special Systems
6-4 Solving Special Systems Warm Up Lesson Presentation Lesson Quiz 1 2 pts Bell Quiz 6-4 Solve the equation. 1. 2(x + 1) = 2x + 2 3 pts Solve by using any method. 2. y = 3x + 2 2x + y = 7 5 pts possible
More informationChapter 2 Functions and Their Graphs
Chapter Functions and Their Graphs Section (, ) + ( ) ( ) + or or We must not allow the denominator to be + ; Domain: { } > > < Solution set: { < } or (, ) independent; dependent 6 range 7 [, ] We need
More informationTable 1. Data for Heat Capacity Trial 1 Trial 2
Thermochemistry: Measuring Enthalpy Change in Chemical Reactions Experiment created by the UMaine InterChemNet Team. Adapted with permission. Print this form and bring it with you to lab. You will complete
More informationName: Section: Score: /10 PRE LABORATORY ASSIGNMENT EXPERIMENT 7
Name: Section: Score: /10 PRE LABORATORY ASSIGNMENT EXPERIMENT 7 1. Is the sign of Δ r H for an exothermic reaction positive or negative? Why? 2. When 4.21 grams of potassium hydroxide are added to 250.
More informationSection 10.1 (Part 2 of 2) Significance Tests: Power of a Test
1 Section 10.1 (Part 2 of 2) Significance Tests: Power of a Test Learning Objectives After this section, you should be able to DESCRIBE the relationship between the significance level of a test, P(Type
More informationGUIDED NOTES 2.2 LINEAR EQUATIONS IN ONE VARIABLE
GUIDED NOTES 2.2 LINEAR EQUATIONS IN ONE VARIABLE LEARNING OBJECTIVES In this section, you will: Solve equations in one variable algebraically. Solve a rational equation. Find a linear equation. Given
More informationCalorimetry and Hess s Law Prelab
Calorimetry and Hess s Law Prelab Name Total /10 1. What is the purpose of this experiment? 2. Make a graph (using some kind of graphing computer software) of temperature vs. time for the following data:
More informationaverage speed instantaneous origin resultant average velocity position particle model scalar
REPRESENTING MOTION Vocabulary Review Write the term that correctly completes the statement. Use each term once. average speed instantaneous origin resultant average velocity position particle model scalar
More informationTitle: Does Size Matter?: A student investigation of the inverse relationship between molecule size and per-unit-volume concentrations.
Title: Does Size Matter?: A student investigation of the inverse relationship between molecule size and per-unit-volume concentrations. Author: Eric Kolb Date: May 5, 2003 Background: When comparing two
More informationModification of Procedure for Experiments 17 and 18. everything with distilled water and dry thoroughly. (Note: Do not use acetone to rinse cups.
Modification of Procedure for Experiments 17 and 18 I. Calorimeter Constant Obtain two polystyrene cups, a lid for one of the cups and a magnetic stirrer. Rinse everything with distilled water and dry
More informationINSTRUCTOR RESOURCES
INSTRUCTOR RESOURCES The CCLI Initiative Learning Objectives The objectives of this experiment are to... analyze an acid mixture by titration with NaOH solution. use the MicroLAB interface to gather and
More informationThermochemistry. Energy. 1st Law of Thermodynamics. Enthalpy / Calorimetry. Enthalpy of Formation
Thermochemistry Energy 1st Law of Thermodynamics Enthalpy / Calorimetry Hess' Law Enthalpy of Formation The Nature of Energy Kinetic Energy and Potential Energy Kinetic energy is the energy of motion:
More informationHeat of Solution for Aqueous Potassium Nitrate
CHEM 331L Physical Chemistry Laboratory Revision 2.2 Heat of Solution for Aqueous Potassium Nitrate In this laboratory exercise we will measure the Integral of Solution for the solvation of Potassium Nitrate
More informationCalculate the energy required to melt a 2.9 kg block of ice. Melting is a phase change - there is no change in temperature
Calculation of Heat During a Phase Change or Reaction During a phase change, a physical process or chemical reaction, the temperature of the system does not change. Therefore the formula q = mc T would
More informationThermodynamics Enthalpy of Reaction and Hess s Law
P.O. Box 219 Batavia, Illinois 60510 1-800-452-1261 flinn@flinnsci.com Visit our website at: www.flinnsci.com 2003 Flinn Scientific, Inc. All Rights Reserved. Your Safer Source for Science Supplies Thermodynamics
More informationTitration a solution of known concentration, called a standard solution
Acid-Base Titrations Titration is a form of analysis in which we measure the volume of material of known concentration sufficient to react with the substance being analyzed. Titration a solution of known
More informationMATH 240. Chapter 8 Outlines of Hypothesis Tests
MATH 4 Chapter 8 Outlines of Hypothesis Tests Test for Population Proportion p Specify the null and alternative hypotheses, ie, choose one of the three, where p is some specified number: () H : p H : p
More informationDate: Hybrid Chemistry Regents Prep Ms. Hart/Mr. Kuhnau. Unit 1: All About Atoms Lesson 1.1: Parts of an atom
Unit 1: All About Atoms Lesson 1.1: Parts of an atom Do Now: By the end of today, you will have an answer to: How do we determine the number of subatomic particles in an atom? 1. A neutron has a charge
More informationExperiment #12. Enthalpy of Neutralization
Experiment #12. Enthalpy of Neutralization Introduction In the course of most physical processes and chemical reactions there is a change in energy. In chemistry what is normally measured is ΔH (enthalpy
More information8th Grade Physical Science CRCT Review
8th Grade Physical Science CRCT Review Which of the following best represents the structure of a lithium (Li) atom? A B C D Which of the following best represents the structure of a lithium (Li) atom?
More informationPearson Education Limited Edinburgh Gate Harlow Essex CM20 2JE England and Associated Companies throughout the world
Pearson Education Limited Edinburgh Gate Harlow Essex CM20 2JE England and Associated Companies throughout the world Visit us on the World Wide Web at: www.pearsoned.co.uk Pearson Education Limited 2014
More informationChapter 2 Functions and Their Graphs
Precalculus 0th Edition Sullivan SOLUTIONS MANUAL Full download at: https://testbankreal.com/download/precalculus-0th-edition-sullivan-solutionsmanual/ Precalculus 0th Edition Sullivan TEST BANK Full download
More informationStudent Exploration: Titration
Name: Date: Student Exploration: Titration Vocabulary: acid, analyte, base, dissociate, equivalence point, indicator, litmus paper, molarity, neutralize, ph, strong acid, strong base, titrant, titration,
More informationTo use calorimetry results to calculate the specific heat of an unknown metal. To determine heat of reaction ( H) from calorimetry measurements.
Calorimetry PURPOSE To determine if a Styrofoam cup calorimeter provides adequate insulation for heat transfer measurements, to identify an unknown metal by means of its heat capacity and to determine
More informationErrors and Uncertainties in Chemistry Internal Assessment
Errors and Uncertainties in Chemistry Internal Assessment The treatment of errors and uncertainties is relevant in the internal assessment criteria of: data collection, aspect 1 (collecting and recording
More informationSections 8.1 & 8.2 Systems of Linear Equations in Two Variables
Sections 8.1 & 8.2 Systems of Linear Equations in Two Variables Department of Mathematics Porterville College September 7, 2014 Systems of Linear Equations in Two Variables Learning Objectives: Solve Systems
More informationAP CHEMISTRY SCORING GUIDELINES
Mean 5.64 out of 9 pts AP CHEMISTRY Question 1 CO(g) + 1 2 O 2 (g) CO 2 (g) 1. The combustion of carbon monoxide is represented by the equation above. (a) Determine the value of the standard enthalpy change,
More informationStudent Exploration: Titration
Name: Date: www.explorelearning.com enroll in class class code: FPGJNNJE9R Student Exploration: Titration Vocabulary: acid, analyte, base, dissociate, equivalence point, indicator, litmus paper, molarity,
More informationAcid And Base Quiz Answer Key
We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with acid and base quiz answer
More informationSection 4.1 Polynomial Functions and Models. Copyright 2013 Pearson Education, Inc. All rights reserved
Section 4.1 Polynomial Functions and Models Copyright 2013 Pearson Education, Inc. All rights reserved 3 8 ( ) = + (a) f x 3x 4x x (b) ( ) g x 2 x + 3 = x 1 (a) f is a polynomial of degree 8. (b) g is
More informationLab 6. Current Balance
Lab 6. Current Balance Goals To explore and verify the right-hand rule governing the force on a current-carrying wire immersed in a magnetic field. To determine how the force on a current-carrying wire
More informationModels, Mass and Stoichiometry David A. Katz. All rights reserved. Permission for educational use as long as the original copyright is included.
Models, Mass and Stoichiometry David A. Katz. All rights reserved. Permission for educational use as long as the original copyright is included. As a college chemistry teacher, I must begin by stating
More informationSlide 2 / 118. Thermochemistry
Slide 1 / 118 Slide 2 / 118 Thermochemistry Slide 3 / 118 Table of Contents The Nature of Energy State Functions** Click on the topic to go to that section Enthalpy Measuring Enthalpy Changes: Calorimetry
More informationGeneral Practical Chemistry EXPERIMENTS REOPRTS 101 Chem & 104 Chem
King Saud University Faculty of Science Chemistry Department General Practical Chemistry EXPERIMENTS REOPRTS 101 Chem & 104 Chem Text Book: Practical General Chemistry By Dr. Ahmad Al-Owais & Dr. Abdulaziz
More informationSampling Distributions: Central Limit Theorem
Review for Exam 2 Sampling Distributions: Central Limit Theorem Conceptually, we can break up the theorem into three parts: 1. The mean (µ M ) of a population of sample means (M) is equal to the mean (µ)
More informationHydrolysis of Salts Weak Acids and Bases
elearning 2009 Introduction Hydrolysis of Salts Weak Acids and Bases Publication No. 9117 Show the effects of hydrolysis of salts on the acidbase properties of a solution with this colorful demonstration
More informationAP LAB 9b: Indirect Enthalpy Changes
AP LAB 9b: Indirect Enthalpy Changes Aim To indirectly determine the enthalpy change for the combustion of magnesium Apparatus Coffee-cup calorimeter, thermometer, weighing boat, spatula, goggles, electronic
More information1 Your full name (PLEASE PRINT) First hour test page 1 of 5 September 25, 2008 Your scheduled Tuesday quiz section (please circle) B hr E hr
1 CHEM 111 Your full name (PLEASE PRINT) First hour test page 1 of 5 September 25, 2008 Your scheduled Tuesday quiz section (please circle) B hr E hr Your scheduled Tuesday quiz instructor: Make sure your
More informationCHE 105 EXAMINATION II March 11, 2010 University of Kentucky Department of Chemistry
CHE 105 EXAMINATION II March 11, 2010 University of Kentucky Department of Chemistry READ THESE DIRECTIONS CAREFULLY BEFORE STARTING THE EXAMINATION! It is extremely important that you fill in the answer
More informationThermodynamics and the Solubility of Sodium Tetraborate Decahydrate
Thermodynamics and the Solubility of Sodium Tetraborate Decahydrate In this experiment you, as a class, will determine the solubility of sodium tetraborate decahydrate (Na 2 B 4 O 7 10 H 2 O or Na 2 [B
More information1. (4) For this reaction: NO 2. + H 3 AsO 3 D H 2 AsO 3
Exam 1 Chem 1B, Spring 2017 Fossum Name: There are 6 points of extra credit built in to this exam. Always show your work and explain your reasoning, include units, and check significant figures. Note:
More informationCalorimetric Determination of Reaction Enthalpies
H + (aq) + OH - q H 2 O Calorimetric Determination of Reaction Enthalpies Purpose: Determine the enthalpy of dissociation of CH 3 COOH CH 3 COOH (aq) CH 3 COO - (aq) + H + (aq) Techniques: Calorimetry
More informationAcid Base Equilibrium Review
Acid Base Equilibrium Review Proof of true understanding of acid base equilibrium culminates in the ability to find ph of any solution or combination of solutions. The ability to determine ph of a multitude
More informationAP Biology. Investigation 5: Photosynthesis. Investigation 5: Photosynthesis. Investigation 5: Photosynthesis
AP Biology Learning Objectives To design and conduct an experiment to explore the Investigation 5: Photosynthesis effect of certain factors, including different environmental variables, on the rate of
More informationCREATE A MOTION. Purpose Demonstrate your understanding of motion graphs by creating real-world motion(s) that match a graph(s) you ve been given.
CREATE A MOTION Purpose Demonstrate your understanding of motion graphs by creating real-world motion(s) that match a graph(s) you ve been given. Materials Motion Detector, Interface, Dynamics Cart, Dynamics
More informationAP * Calculus Review. Limits, Continuity, and the Definition of the Derivative
AP * Calculus Review Limits, Continuity, and the Definition of the Derivative Teacher Packet Advanced Placement and AP are registered trademark of the College Entrance Examination Board. The College Board
More informationChapter 1.4 Student Notes. Presenting Scientific Data
Chapter 1.4 Student Notes Presenting Scientific Data Line Graph Type Described Use Line Compares 2 variables Shows trends Bar Graph Type Described Use Bar Compares Shows Data Bar Graph Type Described Use
More informationSolving and Graphing Inequalities
Solving and Graphing Inequalities Graphing Simple Inequalities: x > 3 When finding the solution for an equation we get one answer for x. (There is only one number that satisfies the equation.) For 3x 5
More informationASTROVENTURE Extend Lesson Concept Activities
Extend Lesson Concept: Carbon dioxide and water vapor are greenhouse gases that absorb energy radiated from Earth s surface and release some of it back towards the Earth, increasing the surface temperature.
More informationHow to Write a Lab Report
How to Write a Lab Report Each section of your report should be clearly identified. Reports must be done on the computer. If you do not have access to a computer at home, you will have to use the computers
More information6-6 Solving Systems of Linear Inequalities 6-6. Solving Systems of Linear Inequalities
6-6 Solving Systems of Linear Inequalities Warm Up Lesson Presentation Lesson Quiz 1 2 pts 3 pts 5 pts Bell Quiz 6-6 Solve each inequality for y. 1. 8x + y < 6 2. 3x 2y > 10 3. Graph the solutions of 4x
More informationCH.9 Tests of Hypotheses for a Single Sample
CH.9 Tests of Hypotheses for a Single Sample Hypotheses testing Tests on the mean of a normal distributionvariance known Tests on the mean of a normal distributionvariance unknown Tests on the variance
More information1. Entropy questions: PICK TWO (6 each)
1. Entropy questions: PICK TWO (6 each) 1.00 mole of water freezes at 0.00ºC and 1 atm, releasing 6.01 kj of heat. Calculate the change in entropy and free energy for the process. Calculate the entropy
More informationTHER Mo CHEMISTRY: HEAT OF Ne UTRALIZATION
Experiment 11 Name: 42 THER Mo CHEMISTRY: HEAT OF Ne UTRALIZATION In this experiment, you will use calorimetry to experimentally determine the heat of neutralization of NaOH-HCl, or the enthalpy of the
More informationSolubility Reactions. objectives
Solubility Reactions objectives (#4 2) How do chemicals undergo a solubility reaction? (#4 2a) A student shall be able to identify if a reaction is a solubility reaction? (#4 2b) Students should be able
More informationTopic: Titration and Molarity
1 Topic: http://gaia.fc.peachnet.edu/tutor/molarity.html Grade 9-Adult An integrated lesson plan covering one session of approximately 1.5-2 hours. Lesson-Planning Approach Some learners perceive their
More informationName: C4 TITRATIONS. Class: Question Practice. Date: 97 minutes. Time: 96 marks. Marks: GCSE CHEMISTRY ONLY. Comments:
C4 TITRATIONS Question Practice Name: Class: Date: Time: 97 minutes Marks: 96 marks Comments: GCSE CHEMISTRY ONLY Page of 3 Sodium hydroxide neutralises sulfuric acid. The equation for the reaction is:
More informationCopyright 2012 Pearson Education, Inc. Publishing as Prentice Hall.
Chapter : Equations, Inequalities, and Problem Solving ISM: Intermediate Algebra. + + 0 The solution set is [0, ).. () The solution set is [, ). 0. >.. > >. The solution set is (., ).. The solution set
More informationExperiment 6 Heat of Neutralization
CHEM 102 GENERAL CHEMISTRY Experiment 6 Heat of Neutralization Purpose: To calculate enthalpy change of a reaction by using calorimeter and understand the difference between endothermic and exothermic
More informationAP Physics C: Electricity and Magnetism
2017 AP Physics C: Electricity and Magnetism Sample Student Responses and Scoring Commentary Inside: RR Free Response Question 3 RR Scoring Guideline RR Student Samples RR Scoring Commentary 2017 The College
More informationClass Note #20. In today s class, the following four concepts were introduced: decision
Class Note #20 Date: 03/29/2006 [Overall Information] In today s class, the following four concepts were introduced: decision version of a problem, formal language, P and NP. We also discussed the relationship
More informationName Class Date. As you read Lesson 17.1, use the cause and effect chart below. Complete the chart with the terms system and surroundings.
Name Class Date Thermochemistry 17.1 The Flow of Energy As you read Lesson 17.1, use the cause and effect chart below. Complete the chart with the terms system and surroundings. Process Cause Effect endothermic
More information6-4 Solving Special Systems
Warm Up Solve each equation. 1. 2x + 3 = 2x + 4 2. 2(x + 1) = 2x + 2 3. Solve 2y 6x = 10 for y Solve by using any method. 4. y = 3x + 2 2x + y = 7 5. x y = 8 x + y = 4 Know: Solve special systems of linear
More informationIntroduction to the Simplex Algorithm Active Learning Module 3
Introduction to the Simplex Algorithm Active Learning Module 3 J. René Villalobos and Gary L. Hogg Arizona State University Paul M. Griffin Georgia Institute of Technology Background Material Almost any
More informationAP Problem Set 5: Due New Topics: Heat Transfer, Enthalpy, Hess s Law, Specific Heat, Calorimetry
AP Problem Set 5: Due New Topics: Heat Transfer, Enthalpy, Hess s Law, Specific Heat, Calorimetry Directions: Complete all assigned problems. Show your work for all problems, write in complete sentences
More informationStudent Worksheet for Acids and Bases
Student Worksheet for Attempt to work the following practice problems after working through the sample problems in the videos. Answers are given on the last page(s). Relevant Equations Kw = 1.0*10-14 =
More informationEconomics 205, Fall 2002: Final Examination, Possible Answers
Economics 05, Fall 00: Final Examination, Possible Answers Comments on the Exam Grades: 43 possible; high: 413; median: 34; low: 36 I was generally happy with the answers to questions 3-8, satisfied with
More informationAP Chemistry Summer Assignment
Dear AP Chemistry Students and Parents, AP Chemistry Summer Assignment Welcome to AP Chemistry! We are so excited to start the new school year! We hope that you are having a great end to this school year
More informationLab #3 ph and Buffers
Page1 Lab #3 ph and Objectives: Learn to construct a proper data table and line graph Understand how the ph scale works Use a ph meter to measure the ph of common household substances Understand the meaning
More informationUnit 4 Systems of Equations Systems of Two Linear Equations in Two Variables
Unit 4 Systems of Equations Systems of Two Linear Equations in Two Variables Solve Systems of Linear Equations by Graphing Solve Systems of Linear Equations by the Substitution Method Solve Systems of
More informationAlgebra 1. Standard 1: Operations With Real Numbers Students simplify and compare expressions. They use rational exponents and simplify square roots.
Standard 1: Operations With Real Numbers Students simplify and compare expressions. They use rational exponents and simplify square roots. A1.1.1 Compare real number expressions. A1.1.2 Simplify square
More informationMeasuring Enthalpy Changes
Measuring Enthalpy Changes PURPOSE To observe changes in enthalpy in chemical processes. GOALS To identify exothermic and endothermic processes. To relate enthalpy changes and entropy changes to changes
More informationK-12 Environmental Education
UCSD TIES adapted from NYSERDA Energy Smart www.schoolpowernaturally.org Solar Kit Lesson #12 Calibration Curve for a Radiation Meter TEACHER INFORMATION LEARNING OUTCOME After using measurement, students
More informationWelcome to Navigate Powered by NIDES Chemistry 12! Please note that the First Assignment is a requirement to be registered in the course.
Welcome to Navigate Powered by NIDES Chemistry 12! Please note that the First Assignment is a requirement to be registered in the course. Legal last name: First name: Student Email: Cell Phone #: Other
More informationPractice Test: Energy and Rates of Reactions
Practice Test: Energy and Rates of Reactions NAME: /65 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. (20 marks) 1. What is the symbol for
More informationPart 1: You are given the following system of two equations: x + 2y = 16 3x 4y = 2
Solving Systems of Equations Algebraically Teacher Notes Comment: As students solve equations throughout this task, have them continue to explain each step using properties of operations or properties
More informationSimulation: Gas Laws FOR THE TEACHER
Simulation: Gas Laws FOR THE TEACHER Summary In this simulation, students will investigate three of the fundamental gas laws, including Boyle s Law, Charles Law and Gay-Lussac s Law. Students will have
More informationCalorimetry. Enthalpy of Neutralization
Calorimetry Enthalpy of Neutralization Introduction A calorimeter is a device that can measure the heat absorbed or released by a reaction (Petrucci, 2011). A calorimeter is thermally insulated from its
More informationWorking Scientifically Physics Equations and DfE Maths skills BOOKLET 1
Working Scientifically Physics Equations and DfE Maths skills BOOKLET 1 Published date: Summer 2016 version 1 3 Working scientifically Science is a set of ideas about the material world. We have included
More informationph Measurement and its Applications
ph Measurement and its Applications Objectives: To measure the ph of various solutions using indicators and ph meters. To perform a ph titration. To create and study buffer solutions. To determine the
More informationMath 101: Elementary Statistics Tests of Hypothesis
Tests of Hypothesis Department of Mathematics and Computer Science University of the Philippines Baguio November 15, 2018 Basic Concepts of Statistical Hypothesis Testing A statistical hypothesis is an
More informationAP CALCULUS BC 2007 SCORING GUIDELINES
AP CALCULUS BC 2007 SCORING GUIDELINES Question 4 Let f be the function defined for x > 0, with f( e ) = 2 and f, the first derivative of f, given by f ( x) = x 2 ln x. (a) Write an equation for the line
More informationANALYSIS OF CARBONATE MIXTURES
ANALYSIS OF CARBONATE MIXTURES AIM The main objective of this experiment is to determine the constituents in a solution containing Na CO 3, NaHCO 3 and NaOH alone or in a mixture by using titrimetry. INTRODUCTION
More informationStudent Exploration: Free-Fall Laboratory
Name: Date: Student Exploration: Free-Fall Laboratory Vocabulary: acceleration, air resistance, free fall, instantaneous velocity, terminal velocity, velocity, vacuum Prior Knowledge Questions (Do these
More information2 The Way Science Works
CHAPTER 1 Introduction to Science 2 The Way Science Works SECTION KEY IDEAS As you read this section, keep these questions in mind: How can you use critical thinking to solve problems? What are scientific
More informationChapter 24. Comparing Means. Copyright 2010 Pearson Education, Inc.
Chapter 24 Comparing Means Copyright 2010 Pearson Education, Inc. Plot the Data The natural display for comparing two groups is boxplots of the data for the two groups, placed side-by-side. For example:
More informationExcellence International School Chemistry Academic Year Grade 9 Revision sheet 3 Topic: unit 8 speed of reaction
Unit 9 : 9.1&9.2 Name:... Class:.. Date: Paper 2 Excellence International School Chemistry Academic Year 2016-2017 Grade 9 Revision sheet 3 Topic: unit 8 speed of reaction 1 st term 1. A student was investigating
More informationThe CCLI Initiative Computers in Chemistry Laboratory Instruction
Experiment Determining the Coordination Number of Ni and Cu The CCLI Initiative Computers in Chemistry Laboratory Instruction by Enthalpy The objectives of this experiment are to... LEARNING OBJECTIVES
More informationHow bad is that snack anyway?
Physical Sciences 11 Experiment 1 How bad is that snack anyway? Monday, 2/10 Wednesday, 2/12 Science Center Room 117 Please read this entire document and complete the attached prelab before your lab. This
More informationPHYSICS LAB. Newton's Law. Date: GRADE: PHYSICS DEPARTMENT JAMES MADISON UNIVERSITY
PHYSICS LAB Newton's Law Printed Names: Signatures: Date: Lab Section: Instructor: GRADE: PHYSICS DEPARTMENT JAMES MADISON UNIVERSITY Revision August 2003 NEWTON S SECOND LAW Purpose: 1. To become familiar
More information3-1 Graphing and Writing Inequalities. Warm Up Lesson Presentation Lesson Quiz
3-1 Graphing and Writing Inequalities Warm Up Lesson Presentation Lesson Quiz Holt Holt Algebra Algebra 1 1 Bell Quiz 3-1 Compare. Write , or =. 2 pts 1. 3 2 2 pts 2. 6.5 6.3 1 pt for putting your
More informationCHAPTER 15 APPLICATIONS OF AQUEOUS EQUILIBRIA
Advanced Chemistry Name Hour Advanced Chemistry Approximate Timeline Students are expected to keep up with class work when absent. CHAPTER 15 APPLICATIONS OF AQUEOUS EQUILIBRIA Day Plans for the day Assignment(s)
More informationPolitical Science 236 Hypothesis Testing: Review and Bootstrapping
Political Science 236 Hypothesis Testing: Review and Bootstrapping Rocío Titiunik Fall 2007 1 Hypothesis Testing Definition 1.1 Hypothesis. A hypothesis is a statement about a population parameter The
More informationLesson 23 Linear Equations With One Variable
We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with lesson 23 linear equations
More informationT.I.H.E. IT 233 Statistics and Probability: Sem. 1: 2013 ESTIMATION AND HYPOTHESIS TESTING OF TWO POPULATIONS
ESTIMATION AND HYPOTHESIS TESTING OF TWO POPULATIONS In our work on hypothesis testing, we used the value of a sample statistic to challenge an accepted value of a population parameter. We focused only
More information17.4 Calculating Heats Essential Understanding Heats of reaction can be calculated when it is difficult or
17.4 Calculating Heats of Reaction Essential Understanding Heats of reaction can be calculated when it is difficult or impossible to measure them directly. Lesson Summary Hess s Law Hess s law provides
More informationAdditional Calculations: 10. How many joules are required to change the temperature of 80.0 g of water from 23.3 C to 38.8 C?
Additional Calculations: 10. How many joules are required to change the temperature of 80.0 g of water from 23.3 C to 38.8 C? q = m C T 80 g (4.18 J/gC)(38.8-23.3C) = 5183 J 11. A piece of metal weighing
More informationCAMOSUN COLLEGE. Chemistry 121 Section 03
CAMOSUN COLLEGE Chemistry 121 Section 03 Instructor: H. M. Cartwright Page 1 Midterm 2 Examination, March 25 th, 2015, 6.30 p.m. Time: 1 ½ hours Name Student Number Answer all questions on the examination
More information