Web Helps – Index

 

This page contains a listing of web sites by Chapter.  Descriptions of what kind of help these web sites have to offer are included as part of the link name.

 

Chapter 2  (Data Analysis – includes density)

         Triple Beam Balance – interactive reading mass

         Triple Beam Balance – add & remove masses & move sliders WOW– Java (needs latest) – (Explorelearning)

         Mathematics in Chemistry – excellent review – several areas

         Using Your Calculator 

         Scientific Notation – good tutorial (from NYU)

     Problem Solving Skills – VERY IMPORTANT – VERY GOOD

         Problem-Solving Skills – Tutorial (CHP)

     Significant Figures – Helps

         Significant Figures – rules for sig. figs. and rounding (U. of Idaho)

         Significant Figures - excellent background and Quiz w ans

         Significant Figures – 2 questions and step-by-step interactive answers

         Significant Figures – free download of calculator – sig figs, sci notation, logs

Significant Figures Problems – interactively check your answers (CSUDH)

    Density Helps

         Density - simple and interactive tutorial

         Density, Mass & Volume - detailed and interactive tutorial

         Density Problems – interactive with answer (Glenbrook S. High)

Density Problems – interactively check your answers (CSIDH)

    Conversion Helps

         Unit conversions – all – calculator – java applet

         Unit conversion 2 – all – calculator – java applet

         Temperature converter – check your temp conversions

         Temperature converter 2 – check your temp conversions

         Conv units of meas - quiz applet   

 

Chapter 3  (Matter – Properties and Changes)

         Chemical vs Physical Changes and Types of Matter - Practice Quizzes

         Chromatography - background and types   

Elemnt, cmpd, mix (molecular level w MDL models you can rotate)- applets USC

         Law of Multiple Proportions – applets of various N compounds can be rotated - USC

Dictionary Definitions – Multiple & Definite proportions

Law_of_Multiple_Proportions

Law_of_Definite_Proportions

Multiple vs Definite Proportions

         Hydrologic-Water Cycle – demonstrating physical changes in nature

         Chemical Bonding – excellent tutorial w great flash animations (Visionlearning)

         Covalent Bonding between H2 atoms –  Flash simulation (Visionlearning)

         Water Molecule – covalent bonding – intramolecular - flash sim (Visionlearning)

         Three States of Matter  -  Flash animations for solid, liquid & gas of water  (Visionlearning)

         Three States of Matter – MDL animations of solid, liquid & gas of NaCl

         Hydrogen Bonding in water & dipole - animation

         Water dimer animation – hydrogen bonding 

 

Chapter 4  (The Structure of the Atom)

Atomic theories

         Dalton's Atomic Theory

Dalton's Theory - another explanation

Rutherford Experiment – interactive, audio & stop points - McGrawHill

Rutherford Experiment – very interactive, modify experiment – (National High)

         Rutherford Experiment – xlnt interactive tutorial on his exp – (WW Norton)  -  scroll down to 3.2

         Rutherford in his lab in 1903 – (Access Excellence)  (scroll down to bottom of page)

         J.J. Thompson’s Experiments with cathode ray tubes

         JJ Thompson & Rutherford discoveries  

         JJ Thompson & Rutherford – good explanation w graphic re Rutherford’s experiment (Visionlearning)

Chapter 5  (Electrons in Atoms)

         Lewis Structure drawing tutorial

Lewis Structures how to – animations in ppp type presentation - WW Norton  scroll to section “6.3 Bonding” and click on view tutorial to the far right, then look at the link right below “6.3 Lewis Dot Structures” – a little slow without broadband but WOW – Also check out 6.3 Bonding (tells about ionic and covalent bonding) - thank you Min for finding this one, it’s great

         Spectra – great applets (Physics 2000)

         Wavelength – move slider to see wavelength against EM spectrum above & below visible – Bio Coach

         Quantum & spectra relationship

         Emission Spectrum of H2 – interactive, relates each wavelength to excited electron drops – Flash - McGrawHill  very good

Light emission and absorption and absorption – Animated Tutorial  (WW Norton)  scroll down to “Section 3.3  Light Emission and Absorption”

         Bohr theory explained – also great Flash sims & spectra (Visionlearning)

         Bohr’s atom – electron jumps - Flash simulation (Visionlearning)

         Bohr’s atom – electron jumps, photon in & photon out– applet (Physics 2000)

         De Broglie – animation of wave / mechanics & background

De Broglie & Schrodenger – simple explanation & good applets! (Physics 2000)  - 

         Vibrating atoms – electron orbitals & other cool stuff  (Physics 2000)

         2-slit experiment – wave interference, fuzzy edges – great applet (Physics 2000)

2-slit experiment – video explaining wave vs particle behavior of electrons (YouTube) – very clear & simple particle vs wave explanation!!!

         Wave interference – water & electronic - great applets (Physics 2000)

         Build an atom – applet with velocity & direction (Physics 2000)

         Orbital electron probability for 1s and 2px orbitals - MDL

         Orbital filling chart applet – does all energy levels, some spectra (Webelements)

         Orbital chart applet – shows s, p & d filling and electron distances (David’s Whizzy)

         Orbital applet interactive – electron density in each orbital type

         Relative sizes and trends in atomic radii - applet

         Electron Configuration – tutorial on how to figure (WW Norton)  - scroll down to 3.10

      Light Emission and Absorption

         Example Coloring Applet

         Emission Spectrum

         Absorption Spectrum

         Single Filter Emission

         Spectra of several elements – click periodic chart – common elements in sun’s spectrum – gas discharge (Achilles.net) 

 

Chapter 9  (Covalent Bonding)

         Name, Formula & Structure matching + (from General Chemistry on-line – Fostburg)

         Name from 3-D molecule make-up – Chime applets – (from USC)  

         Naming tutorial – step-by-step guidance – text only (from USC)

  Games for learning how to name binary ionic compounds (Types I and II cations) – These games will only work if Flash is installed on your computer.  Flash is available for free by following the link I have provided on my home page.

      Naming Binary Ionic Compounds - matching game – (from Quia) 

      Naming Binary Ionic Compounds - concentration game – (from Quia) 

      Naming Binary Ionic Compounds - flash cards – (from Quia)

  Games for learning how to name ionic compounds with polyatomic anions (Types I & II cations)

      Naming Ionic Compounds with Polyatomic Anions – matching game – (from Quia)

      Naming Ionic Compounds with Polyatomic Anions – concentration game – (from Quia)

      Naming Ionic Compounds with Polyatomic Anions – flash cards – (from Quia) 

Binary and tertiary compounds & Acids

         Nomenclature links to understanding binary, tertiary cmpds & acids – (from ECSU)

               (from E. Connecticut State U)

 

Chapter 10  (Chemical Reactions)

Tutorial – Interactive Balancing of Equations (Dr. Yue-Ling) – blackboard approach, several practice problems

         Balancing Chemical Equations – practice balancing several equations – interactive (Chem Practice) 

         Balancing Chemical Equations – great interactive tutorial & practice problems (WW Norton)

         Chem Balancer – interactive balancing equation practice, visual of #’s of atoms both sides – has wksht to go with

Tutorial – Balance Equations with practice problems (DBHS)  dry, but lots of practice problems

Tutorial – Interactive Balancing of Equations (Dr. Yue-Ling)            Acid –Base – Quicktime move of HCl + NaOH neutralization – 4 MB - USC

         Precipitation – interactive animation, mix 3 diff. solutions & predict – Flash - McGrawHill

Formation of Water from H2 & O2 – Flash sim (Visionlearning)

         Na reacts w Cl2 (forms salt) – Flash sim (Visionlearning)    

         Solubility Rules – practice the rules with this Java applet - USC

         Solubility Practice applet – shows Ksp and solubility in g/L - USC

         Thermite Reaction – Demo in still pictures and Quicktime Movie (ILPI)

         Thermite Reaction – describes reaction & Quicktime Movie (Univ. Nebraska, Lincoln)

         Thermite Reaction – stills pics & description, done on cast iron skillet, melts through! (Allatoms) 

         Oxidation – Reducction reasource index  (Wilton High)

Balancing Oxidation - Reduction Reactions (Wilton High)

 

Chapter 11  (The Mole)

         Professor Mole’s Web Site – great information on the mole, including a few good jokes 

         Formula of a Hydrate Lab – uses CuSO4 m

         Molecular Weight calculator – set up as a periodic chart – (U of W Madison)

         Molecular Weight calculation – set up as list of elements in alphabetical order – (Imno Engineering) 

         Diatom Iodine – solid or gas still diatomic – (Virtual ChemBook) 

Problem-Solving Skills – Tutorial (CHP)  Problem Solving Skills – VERY IMPORTANT – VERY GOOD

         Mole <---> grams conversion tutorial

         Stoichiometry – 3 examples worked out in detail (CHP)

         Percent Yield – background and tutorials (Univ. of Wash.)

         Stoichiometry Background Help

         Chemical Reactions & Stoichiometry – lots of background in several areas, very helpful (ISU)

         Stoichiometry – lots of background on several areas, very helpful (DBHS)

         Percent Yield – background and tutorials (Univ. of Wash.)

         Moles and Balancing Equations, Soln. Stoichiometry (So. Ill. Univ, Carbondale)

         Chemistry Coach (Wilton High)

 

Chapter 12  (Stoichiometry)

Limiting Reagent – 2NO + O2 ----> 2NO2 interactive animation, simple – Flash - McGrawHill

 

Chapter 13  (States of Matter)

         Dipole-dipole animation & London forces animations – Frostburg, Gen’l Chem On-Line  

Liquid, Gas – animations & tutorial & hydrogen bonding - Visionlearning  - compare gas & liquid & learn hydrogen bonding

Solid, Liquid, Gas – animations at molecular level & tutorial - Visionlearning  - compare gas, liquid & solid

Carbon Dioxide Behaves as an Acid in Water movie 

Vapor Pressure and Evaporation – flash sim (McGraw-Hill)

NaCl animation in 3 phases - USC

Crystal Structures – types – can rotate - USC

Ice Crystal – molecule orientations, can rotate - NYU

Ice Crystals-2 – molecule orientations (more molecules), can rotate - NYU

Water – dimer – intermolecular attraction shown between 2 water molecules – GREAT !!! - NYU

Carbon – molecular shape – graphite, diamond, buckyball, buckytube, all rotate - NYU

Water – liq. & solid – side by side molecules rotate - NYU            

Phase Diagram for water (Encarta)

Phase Diagrams – generalized and then compared to water (U of Idaho)

Hydrogen Bonding in water – animation showing bonds being made and broken - NYU

Carbon – molecular shape – graphite, diamond, buckyball, buckytube, all rotate - NYU

Hydrolysis of Salt (dissolving) – animation (Iowa State U) – helpful in understanding why volume of water could decrease when a polar molecule is dissolved in water. (homework questions 29 & 30)

Phases of water from below zero to over 100°C – java animation   wonderful animation of what happens on the molecular level when water is heated from below 0°C to over 100°C

 

Animations found by Mrs. Taylorson – Thank You!

Phases of Matter – Molecular Level (U. Windsor)

Phases of Matter – Molecules in diff. phases in different containers (U. Windsor)

States of Matter – 3 Quicktime Movies – 3 phases (P U)

Phases of Matter – Solid at different temps (U Windsor)

Phase Changes – Sublimation (P U)

Elastic collisions of Gas Particles (U Windsor)

Heating/Cooling Curve (P U)

Collision of NH3 and H2O forming NH4OH (Ia State U)

     Animated Tutorials w Questions  - from WW Norton

         Intermolecular Forces & Liquids – WW Norton

               Section 9.2 (2nd one down) – Intermolecular Forces – types & effects on melting & boiling pts

               Section 9.7 (5th one down) – Phase diagrams

               Section 9.8 (6th one down) – Hydrogen Bonding in Water

         Salt Dissolving in Water – BEST EVER animation with repeat capability etc showing ion hydration (I State U)

 

Chapter 14  (Gases)

         Animations of Gas Laws & Their applications

         Boyle’s Law – animation like our lab, move piston, record data EXCELLENT (Ia State U)

         Boyle’s Law – animation with piston and graph – picture of Boyle

         Charles’s Law – animation with piston and graph, a little history on Charles

         Charles’s Law – another animation w piston & graph, more realistic

         Charles’s Law – animation, adjust temp, see graph EXCELLENT (Ia State U)

Virtual Gas Lab (U. Oregon)  Allows you to test all variables in PV = nRT & get graph of results

Gas Laws – movies and activities    some direct links from this page are given below, movies need Quicktime

               Carbon Dioxide Behaves as an Acid in Water movie 

               Diffusion of Bromine Vapor movie

               Kinetic Energies in a Gas movie

               P-V Relationships – Boyle’s Law - movie

               Airbags movie

         Look nside a working engine

         onverters & Calculators

         Converter for units of measure used in gas laws - USC

         Converter CALCULATOR – all types of units of measure conversions – applet  (Berkley)

         Gas Simulators that work

         Gas Simulator – controls for V, T & n (number of particles or moles) – one particle type only - applet

         Gas Simulator – controls for size, mass, speed, V, T, n – one particle type only – applet  (USC)

         Gas Simulator – controls for size, mass, speed, V, T, n – two particle types – applet  (USC)  

         Gas Simulator – controls for V, T, 1n  - two particle types – can remove barrier & mix gases – applet  (Berkeley)

         Best Gas Law simulator – all the controls, better visually – Java apple  (Oklahoma State)   -  fabulous!!!

         activity available link at bottom of page, allows you to check out all of the laws above by click-hold-and-moving of controls

         Ideal Gas – java applet for motion of molecules + tutorial, control particles, pressure & velocity – very interactive

 

Chapter 15  (Solutions)

Salt Dissolving in Water – BEST EVER animation with repeat capability etc showing ion hydration (I State U)

Solutions – create 3 different solutions, very interactive – Flash - McGrawHill  WOW – very good, volumetric flasks & scale

Conductivity Testing – animation for acid, base, salt and unknown – interactive animation (I State U)

 

Chapter 16  (Energy and Chemical Change)

Periodic Table w Specific Heat for all elements

Enthalpy – melt & freeze animation – macro/micro, heat of fusion – Flash - McGrawHill use with new textbook!!!

 

Chapter 18   (Chemical Equilibrium)

Equilibrium Tutorials – general and LeChatlier – WW Norton – go to Sec. 15.1, Equilibrium,  outstanding, equilibrium basic w well digging, Keq  and simple interactive problems on calculating Keq 

LeChatelier Principle – animation allowing conc., pressure & temp changes – really pretty (McGraw-Hill) – here you get to see 3 different interactive animations that show you what happens when concentration (amount of an ion or gas), temperature or pressure change and the effect they have on equilibria.

Energy of Activation – flash simulation (McGraw-Hill)

Orientation of Collision – how it affects reaction – flash simulation (McGraw-Hill)

Equilibrium – molecular level animation of NO2 <----> N2O4  , can stop & start to get reaction (Shockwave)

         Equilibrium – blue <---> red particles, can change temp and # of particles – Java applet - Berkeley  

         LeChatelier’s Principle - tutorial     

         Equilib Applet - % complete slider (Collective)  - calc K for 79% (equilibrium position), 40% and 90%

         Equjilibrium – CoCl2 animation, watch equilibrium change (I State U)

 

Chapter 19  (Acids & Bases)

Powers of 10 – macro & micro – flash applet,  picture sequence from 10-16 to 10+23  

         Acid – Base and pH Tutorial – very well done

         Carbon Dioxide Behaves as an Acid in Water - movie 

pH activities – Miami Museum of Science  - play here with different ideas about pH, click the “EXPLORE” button to play with the pH meter and test the pH of some common substances

pH slider shows substances with various pH values – interactive– John Kyrk  pH scale, slider can move to show you substances that have certain pH values

Bronsted-Lowry acid-base gif – made by Areg

Arrhenius Theory of Acids & Bases from the Chem Team

Logs – slide rules to calculators – interesting history – (U of Alabama)

Logs – slide rules – make one & relate logs to slide rules – fun - (Peter Fox, UK)

What is a log anyway? – (U of Utah)  (if you want to know what a log is, go here.  It also has a log calculator)

Johannes Brψnsted and Thomas Lowry: Broadening the Concept of Acids and Bases

Brψnsted-Lowry Acid-Base Explanation

Acid Ionization – weak vs strong – flash sim (McGraw-Hill)

Buffers – animation, interactive – Flash – McGrawHill

 

Here are several animations that deal with pH created at IA State.  Very interactive!!!  All of these are at http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/animationsindex.htm  with several other animations.

         http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/simDownload/index4.html  has downloadable animations of all kinds!

pH meter – select acids, bases, or salts (IA State)  and Activity Sheet – pH meter

pH meter – buffers w activity sheet link (IA State) 

Acid-Base Titration Experiment (IA State) and Activity Sheet – Titration

Acid-Base neutralization animation – NaOH added to HCl (aq) (IA State)  l

 

Equilibria Systems

Water molecules collide – H3O & OH ions (IA State)

Water molecules collide – equilibrium shown (IA State)

HCl(aq) collisions w H2O molecules (IA State)

NH3 (aq) equilibrium system animation (IA State)

HF(aq) equilibrium system animation (IA State)

Acetic Acid (aq) equilibrium system animation (IA State)

Acetic Acid (aq) buffer equilibrium system animation (IA State)

HNO2 (aq) equilibrium system animation (IA State)

HCl w NaOH equilibrium system animation (IA State)

NH4Cl (aq) equilibrium system animation (IA State)

Buffers – create and measure with pH meter, animation (IA State)

                

 

Chapter 22  (Hydrocarbons) – the guys with carbon & hydrogen (also called Organic Chemistry)

         Molecule Gallery – MDL arranged alphabetically – large library & well done

Organic Chem section – good MDL models that move - USC   Scroll down to almost bottom of page on left side to “Organic Chemistry” section.  Lots of help here.

Organic Chem molecules – 3-D & they can be moved – Creative Chem from UK

         Organic molecule “modeler” – build your own alkanes (unsaturated) w Molanic 2.0 - applet

         Organic molecules of all types – 3-D & they can be rotated – by Dr. David Woodcock 

         Organic Chemistry – Dr. David Woodcock’s index of organic and general chem resources for his course

 

Chapter 24  (The Chemistry of Life)

         Peptide Bond formation – Java applet – very simply animation - USC

         Protein Synthesis – Flash animation, very detailed, slow without broadband– advanced - Tidepool

         Protein Synthesis – Flash animation, from nucleus to ribosomal linking – U. of Nebraska 

         Protein Synthesis – Flash animation, shows t-RNA bringing in aa’s – at ribosome only – Dawson College  

         Protein Denaturing – Flash animation - Sumanasinc

         Amino Acid basics – interactive naming, rotation, peptide linking, secondary structure – John K

         DNA – “Journey into DNA” – Flash animation - PBS 

         RNA structure and MDL models to rotate, general background on RNA - USC

              

Chapter 25  (Nuclear Chemistry)

         Nuclear Fusion at atomic level – Flash sim (Visionlearning)

         Nuclear Fission at atomic level – Flash sim (Visionlearning)

         Nuclear fission (controlled & uncontrolled) – Flash sim (Visionlearning)

Nuclear Chemistry – explain fission & fusion & links to animation 

Radioactive Decay – java applet – from LON-CAPA – Learning On-Line Network

Halflife – great interactive discussion from Physics 2000

Radioactive Decay – discussion & tutorial on radioactivity – created at Boston University

Radioactive Decay – compares 3 types, somewhat interactive – flash – McGraw Hill

Three Types of Radioactive Decay – presentation from ThinkQuest – submission with good graphics, but nothing moves

 

 

 

 Other / Multiple Subjects

         www.chemthink.com   Free site, tutorials on chem. for High Schoolers.  Not all subjects, but what they have is amazing!!!!

         Essentials of Chem – McGraw-Hill

         Our Textbook – Student Site- Lots of good stuff including molecule library

         Chem Textbook support on-line – like WW Norton, many subjects and animations

         Animations – many subjects (McGraw-Hill)

         Index of Flash Animations (all with narration, all somewhat interactive) – Essential Chemistry – McGraw Hill

         Molecule Gallery – MDL arranged alphabetically – large library & well done

         Interactive question/ans for all types of calculations in Chemistry (CSUDH)

         Library of animations, tutorials & simulations – exceptionally nice (Iowa State U.)

               Electrochemistry           General Equilibria         Measurement

               Redox titration              Solutions                      Kinetics

               Gas Laws                     Acid-Base Equilibria     Periodic trends & chem bonding (Ch 10)

               Thermochemistry          Stoichiometry

         Iowa State U – index to animations of hydrolysis of salt and many other - GREAT

         Animations of hydrolysis of water, acid-base reactions with probes and other measuring devices, etc

         Mega Site of great chemistry links

         Towson U. tutoring center – several “handouts” on several subjects

         Our Textbook – Introductory Chemistry, a Foundation – by Zumdahl

         Chem Demos on Real Player by Lee Marek   

               Burning Gummy Bears and Red Hots                Soda Pop fountain

               Fire in Ice                                                         Thermite Reaction – ball bearings & powder

               55 Gal drum collapse                                        4 ft Bunsen burner

               Chemistry of disappearing ink                           Breaking a Concrete Block

               Burning Methane bubbles                                  Exploding Ostrich Egg

         Chem 105a Resources (general chem) from USC 

         Chem 105b Resources (general chem) from USC

         Chem 115 Resources (advanced chem) from USC

         Chem 322a Resources (organic chem) from USC

         Chem 322b Resources (organic chem) from USC 

         General Chem Demo Lab – background and movies of 5 topics (ILPI)

               Surface Tension, Equilibrium (pressure & volume effects), Mg burns in CO2 (s) , Thermite, Liquic N2 

         Chemical Activities – virtual labs – many different labs

         QuickTime Movies -   ~100 subjects of demonstrations – (Purdue)

         Fortuna Union High School – flashcards 19 subjects, simulations & movies from Addison Wesley text

         High School Chem – Tutorials on multi-subjects – (chemistrycoach.com)

         Interactive questions on all subjects – CSUDH       

         Interactive questions on all subject – CSUDH (Lecture Help Pages)

http://jchemed.chem.wisc.edu/JCESoft/CCA/CCA1/R1MAIN/CD1R0.HTM    This web site has video clips of the chemical reactions of two substances and they are categorized under the type of chemical reactions they are. Great use if Mr. Wigger wants to show an experiment, but he can’t. He can use this web site to show the actual reactions. 

Creative Chem – UK – models you can move & lots of other general chem stuff, including puzzles etc

Chemistry Tutorials: Wilton High School (chemistrycoach.com)  Good material on all aspects of high school chem

http://chemfiesta.com/   free chem/science teacher resources – good labs, tests, worksheets etc

Iowa State – wow

http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/animationsindex.htm  with several other animations.

http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/simDownload/index4.html  has downloadable experiments of all kinds!!!