Unit 3: Energy Changes & Rates of Reaction
Overall Expectations
By the end of this unit, students will:
-analyse technologies and chemical processes that are based on energy changes, and evaluate them in terms of their efficiency and their effects on the environment;
-investigate and analyse energy changes and rates of reaction in physical and chemical processes, and solve related problems;
-demonstrate an understanding of energy changes and rates of reaction.
By the end of this unit, students will:
-analyse technologies and chemical processes that are based on energy changes, and evaluate them in terms of their efficiency and their effects on the environment;
-investigate and analyse energy changes and rates of reaction in physical and chemical processes, and solve related problems;
-demonstrate an understanding of energy changes and rates of reaction.
Useful Websites
I will neaten this up soon....
Virtual Calorimetry http://www.chm.davidson.edu/vce/
Hess Law Tutorial http://www.ausetute.com.au/hesslaw.html
Bomb Calorimetry http://www.youtube.com/watch?v=ohyA9amFfsc
Molar Enthalpy Table http://library.thinkquest.org/C004970/thermo/index.htm
Kinetic Molecular Theory http://www.chm.davidson.edu/vce/kineticmoleculartheory/basicconcepts.html
Collision Theory http://www.saskschools.ca/curr_content/chem30_05/2_kinetics/kinetics2_1.htm
Activation Energy http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/activa2.swf
Maxwell Boltzman Curve http://www.chm.davidson.edu/vce/kineticmoleculartheory/Maxwell.html
Potential Energy Diagrams http://www.kentchemistry.com/links/Kinetics/PEDiagrams.htm
Explaining Factors Tutorial http://www.chemguide.co.uk/physical/basicrates/introduction.html
Beer's Law Tutorial http://hlsweb.dmu.ac.uk/ahs/elearning/RITA/Spec4/Spec4.html
Thermochemistry & Equilibria http://science.uwaterloo.ca/~cchieh/cact/applychem/gibbsenergy.html
Free Energy & Equilibrium http://www.chem1.com/acad/webtext/thermeq/TE5.html#FIG13
Chemistry Rates of Reaction http://www.s-cool.co.uk/gcse/chemistry/rates-of-reaction/revise-it/the-rate-of-a-chemical-reaction
Bond Energy Reference Site http://www.science.uwaterloo.ca/~cchieh/cact/c120/bondel.html
Nuclear Energy Article http://discovermagazine.com/2009/jun/08-new-tech-could-make-nuclear-best-weapon-against-climate-change
Good website for explaining concepts in this unit - http://www.chemguide.co.uk/physmenu.html#top
calorimetry app - http://www.chm.davidson.edu/java/calorimetry/calorimetry.html
rates of reaction & rate law - http://www.chm.davidson.edu/java/bromate/bromate.html & http://chem.salve.edu/chemistry/predict3.asp#model
http://www.khanacademy.org/science/organic-chemistry/v/pi-bonds-and-sp2-hybridized-orbitals
I will neaten this up soon....
Virtual Calorimetry http://www.chm.davidson.edu/vce/
Hess Law Tutorial http://www.ausetute.com.au/hesslaw.html
Bomb Calorimetry http://www.youtube.com/watch?v=ohyA9amFfsc
Molar Enthalpy Table http://library.thinkquest.org/C004970/thermo/index.htm
Kinetic Molecular Theory http://www.chm.davidson.edu/vce/kineticmoleculartheory/basicconcepts.html
Collision Theory http://www.saskschools.ca/curr_content/chem30_05/2_kinetics/kinetics2_1.htm
Activation Energy http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/activa2.swf
Maxwell Boltzman Curve http://www.chm.davidson.edu/vce/kineticmoleculartheory/Maxwell.html
Potential Energy Diagrams http://www.kentchemistry.com/links/Kinetics/PEDiagrams.htm
Explaining Factors Tutorial http://www.chemguide.co.uk/physical/basicrates/introduction.html
Beer's Law Tutorial http://hlsweb.dmu.ac.uk/ahs/elearning/RITA/Spec4/Spec4.html
Thermochemistry & Equilibria http://science.uwaterloo.ca/~cchieh/cact/applychem/gibbsenergy.html
Free Energy & Equilibrium http://www.chem1.com/acad/webtext/thermeq/TE5.html#FIG13
Chemistry Rates of Reaction http://www.s-cool.co.uk/gcse/chemistry/rates-of-reaction/revise-it/the-rate-of-a-chemical-reaction
Bond Energy Reference Site http://www.science.uwaterloo.ca/~cchieh/cact/c120/bondel.html
Nuclear Energy Article http://discovermagazine.com/2009/jun/08-new-tech-could-make-nuclear-best-weapon-against-climate-change
Good website for explaining concepts in this unit - http://www.chemguide.co.uk/physmenu.html#top
calorimetry app - http://www.chm.davidson.edu/java/calorimetry/calorimetry.html
rates of reaction & rate law - http://www.chm.davidson.edu/java/bromate/bromate.html & http://chem.salve.edu/chemistry/predict3.asp#model
http://www.khanacademy.org/science/organic-chemistry/v/pi-bonds-and-sp2-hybridized-orbitals
Week 14
Monday, May 4th, 2015Lesson Key Questions
How can concentrations of products and reactants help determine the rate of a reaction? What factors effect the rate of a chemical reaction? Lesson Sequence Introduction to Chemical Kinetics - Mini Investigation Rates of Reactions 1 (ppt) - calculating average rate & instantaneous rate Measuring the rate of reaction Note & questions Homework: Complete the questions on the Mini Investigation and/or questions on the measuring rate of reaction (skip question one) or the questions from your Hess' Law Lab Resources TEDeD - Collisions . Wednesday, May 6th, 2015Lesson Key Questions
Lesson Sequence Homework: Resources . Friday, May 8th, 2015Lesson Key Questions
Lesson Sequence Finish the in class Thermochemistry Assignment Discussion regarding Reaction Mechanisms Homework: Practice questions Resources Reaction Mechanisms (ppt) Elementary Rate Laws Mechanisms and Rate Determining Step - Khan Academy Khan Academy - Catalysts Reaction Mechanisms Reaction Mechanism - Brightstorm . |
Tuesday, May 5th, 2015Lesson Key Questions
How can concentrations of products and reactants help determine the rate of a reaction? What factors effect the rate of a chemical reaction? Lesson Sequence Quiz Reaction Rates Discussion - Factors that affect the rate of reactions Review - Thermochemistry & measuring the rate of reaction Homework: Resources Factors that affect rate of reaction (ppt) Rate Law inquiry activity Resource: Rate Law Equation (ppt) Reaction Mechanisms (ppt) Rate of Reactions (video) Factors that Effect Reaction Rate (video) . Thursday, May 7th, 2015Lesson Key Questions
Lesson Sequence In Class Thermochemistry assignment Homework: Resources . |
Week 13
Wednesday, April 29th, 2015Lesson Key Questions
How can we use the bond energies of the reactants and products to determine the enthalpy of reaction? Lesson Sequence Quiz - Enthalpy changes Using bond energies to determine the enthalpy change of a reaction. Practice - Sage and Scribe calculating Enthalpy change using bond energies Intro to Hess' Law (ppt) Note with questions (did not get to this) Homework: Complete one of the two last questions on the sage N scribe worksheet, read over the Hess' Law handout and complete at least one question from it for tomorrow. Practice practice practice. Take a look at the communicating enthalpy note sheet and measuring enthalpy notesheet and do some questions. The answers are on the bulletin board outside of class. Resources Bond Energies ppt (Slides 27-33) Hess' Law Tutorial video . Friday, May 1st, 2015Lesson Key Questions
How do thermochemical equations express energy changes? How can we use standard enthalpies of formation to calculate the heat of a chemical reaction? Lesson Sequence Quiz - Hess' Law Investigation 2 - Hess' Law Standard Enthalpy of Formation - questions (ppt) Homework: Complete questions on the Enthalpy of Formation note sheet Resources Enthalpy of Formation tutorial video . |
Tuesday, April 28th, 2015Lesson Key Questions
How can we use standard enthalpies of formation to calculate the heat of a chemical reaction? How can Hess's Law be used to calculate energy changes in a chemical reaction? Lesson Sequence Quiz - What is Enthalpy? Molar Enthalpy...take three (ppt) 4 ways to represent enthalpy changes Homework: Finish the learning checkpoint on slide 24. Draw a thermochemical equation (both ways) & a potential energy diagram for this reaction. Resources The Christmas Story - Flash freezing video Thermochemical equations practice video . Thursday, April 30th, 2015Lesson Key Questions
Lesson Sequence Quiz - Bond Energies Hess' Law - Investigation 2 Hess' law Note Homework: Complete some questions on the Hess' Law worksheet Read over the Standard enthalpy of formation notesheet & the lab sheet Resources . |
Week 12
Monday, April 20th, 2015Lesson Key Questions
What is Thermodynamics? What are the Laws of Thermodynamics? How can energy changes be measured? Lesson Sequence Introduction to Thermochemistry Melting Ice Demo & Class discussion - just what is going on? DEMO - exothermic & endothermic TPS - What are the most important factors of the DEMO that could be used to calculate the energy released? Energy Note & Questions Exit Card - Describe how to calculate the energy released from a chemical reaction using temperature change. Homework: prepare for the test Resources Intro to thermochemistry video Thermochemistry (ppt) Heat and Energy video Specific Heat Capacity The Christmas Story - Flash freezing video . Wednesday, April 22nd, 2015Lesson Key Questions
How can energy changes be measured? What is calorimetry? Lesson Sequence Calorimetry - **Work period since majority of the class was away for sports. Homework: Resources Calorimetry video; video 2 Measuring the change in heat of a mass video . Friday, April 24th, 2015 |
Tuesday, April 21st, 2015Lesson Key Questions
Lesson Sequence Chapter 4 Test Energy cont'd Homework: Questions & Thermodynamics Vocabulary Sheet (pdf) Resources Intro to thermochemistry video Thermochemistry (ppt) Heat and Energy video Specific Heat Capacity The Christmas Story - Flash freezing video . Thursday, April 23rd, 2015Lesson Key Questions
How can energy changes be measured? What is calorimetry? Lesson Sequence Quiz - What is Heat? Discussion - How can we measure the heat absorbed/produced from our baggie DEMO? Lab 1: Measuring the temperature of our Bunsen burners Exit Card Homework: Resources What is Energy - SciShow Calorimetry video . |
