Simulasi Praktikum Kimia

Chemistry Experiment Simulations and Conceptual Computer Animations

Chemical Education Research Group
Department of Chemistry
3051 Gilman Hall, Iowa State University
Ames, IA, 50011 USA
(515) 294-7718

Tom Greenbowe (tgreenbo@iastate.edu)
Professor of Chemistry and Coordinator of General Chemistry
Iowa State University
Ames, IA 50011

These files are zipped files. To save the files, click on the links and save the files.
Please use software such as “winzip” to extract the files and then open the “.html” files in the web browser to use the simulations/animations.

Thank you.

ELECTROCHEMISTRY
Simulations
	Reactions of Metals and Metal Ions Experiment
	Electrochemical Cell Experiment
	Concentration Cells Electrochemical Cell Experiment
	Electrolysis Electrochemical Cell Experiment
Animations
	Zinc copper REDOX transfer
	Lead silver REDOX transfer
	Zinc Copper electrochemical cell
	Standard hydrogen electrode – zinc cell
	Standard hydrogen electrode – copper cell
	Dry cell (Zinc-Carbon)
	Car battery (Lead-Lead oxide)
	Car battery (Lead-Lead oxide)
	Flashlight

REDOX TITRATION
	Redox Titration Experiment

GAS LAWS
Simulations
	Boyle’s Law
	Charles’ Law
	Charles’ Law (Director version)
	Effusion Experiment (Micromolecular level, Flash version)
	Effusion Experiment (Micromolecular level, Director version)
	Effusion Experiment (Macromolecular level, Flash Version)
	Effusion Experiment (Macromolecular level, Director Version)
	Manometer Experiment
	Crush the Can

THERMOCHEMISTRY
Simulations
	Heat of neutralization experiment Reacting an acid with a base in a calorimeter (Flash version).
	Heat of solution experiments Dissolving ionic salts in water in a calorimeter.
	Heat transfer between metals and water experiment. Placing a hot piece of metal in water in a calorimeter.
	Particulate nature of matter view of a metal at different temperatures
	Particulate nature of matter view of dissolving a solid salt, NaCl, in water

SOLUTIONS
Simulations
	Conductivity simulation
	Using a Spec-20 to determine the concentration of solutions.
	Boiling-point elevation and freezing-point depression experiment
	Vapor pressure experiment
Animations
	Sodium chloride dissolving in water.

ACID-BASE EQUILIBRIA
Simulations
	pH Measurements of Acids & Bases
	pH Measurements: Salts & Buffers
	Acid-base pH titration simulation
Animations
	Water (two molecules, collision)
	Water (equilibrium system)
	Proton transfer (representation of a fast proton transfer reaction)
		HCl(aq) (an HCl collides with a water molecule)
		NH3(aq) (equilibrium system)
		HF(aq)
		Acetic acid(aq)
		HNO2(aq)
		Acetic acid buffer
		Reaction of HCl with NaOH (HCl – NaOH titration)
		NH4Cl(aq) equilibrium animation
GENERAL EQUILIBRIA
	Bromine liquid-gas equilibrium animation
	Cobalt chloride equilibrium animation
	NO2 N2O4 equilibrium animation

STOICHIOMETRY
Simulations
	Empirical formula of a compound
	Amount of moles and atoms in metals
	Combustion reactions of hydrocarbons with excess oxygen
	Combustion reactions of hydrocarbons (with oxygen gas) – limiting reagent present
	Acid-base titration

MEASUREMENT
Simulations
	Functions and variables associated with stretching springs

KINETICS
Simulations
	Method of initial rates simulation
	Method of Initial Rates at the molecular level
	Rate of a chemical reaction
	Arrhenius Equation. Temperature, Rate Constants, and Activation Energy Experiment
Animations
	NO + O3 bimolecular collision
	H2 + Br2 –> 2HBr mechanism
	ethylene + H2 —> ethane, Pt catalyst mechanism
	2NO –> N2 + O2 – Pt, catalyst mechanism

PREDICTING THE PRODUCTS OF CHEMICAL REACTIONS
Simulations
	Periodic Trends in electronegativity
	Chemical Bonds using Spartan electron density maps
	Hydrogen Bonding Between Water Molecules
	SN2 reactions using Spartan electron density maps

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