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Selección de Simulaciones científicas
Elementos y medidas
This Flash animation visually compares the relationship between a cubic meter, cubic decimeter, cubic centimeter, and cubic milllimeter.
Estructura atómica
This illustration and animation shows the formation cathode rays (electrons) and canal rays (protons) produced by hitting hydrogen atoms with high energy electrons in a vacuum tube.
Energía Nuclear
NuclearReactor.html This animation shows the components of a typical water cooled fission nuclear reactor.
Chain_Reaction.html

This animation shows the neutron induced fission chain reaction for the uranium-235 isotope.

GeigerTube.html This animation shows the components and operation of a Geiger counter tube as it counts radioactive particles.
Estequiometria (Moles)
Decomposition.html Cu(HCO3)2 (s) --> CuO(s)+2CO2 (g)+H2O(g)
This animation shows the decomposition of a metal hydrogen carbonate upon heating.
Dissolving_NaCl-Electrolyte.html

This animation shows the dissolving of an ionic compound, NaCl, in water and its separation into individual ions.

Dissolving_Sugar_Non-electrolyte.html This animation shows the dissolving of a molecular compound, sugar, in water and its separation of the molecules.
DoubleDisp_Reaction-AcidToBase.html

HCl(aq)+NaOH(aq) --> NaCl(aq)+H2O(l)
This animation shows the double displacement and acid base reaction between a strong acid and a strong base.

DoubleDisp_Reaction-GasProduction.html NaHCO3(aq)+HCl(aq) --> H2O(l)+NaCl(aq)
This animation shows the double displacement and acid base reaction between a strong acid and a metal carbonate to form carbon dioxide.
DoubleDisp_Reaction-Precipitation.html

Pb(NO3)2(aq)+2KI(aq) --> PbI2(s)+2KNO3(aq)
This animation shows the double displacement reaction between two soluble ionic compounds to form a slightly soluble precipitate.

SingleDisp_Reaction-MetalToAcid.html Mg(s)+2HCl(aq) --> MgCl2(aq)+H2(g)
This animation shows the single displacement reaction between a metal and a strong acid to form hydrogen gas.
SingleDisp_Reaction-MetalToMetal.html

This animation shows the single displacement reaction between a metal and a metal ion to form a new metal and a new metal ion.

Synthesis.html 2H2(g)+O2(g) --> 2H2O(g)
LimitingReactant.html

This animation shows a reaction with a limiting reactant and excess reactant remaining at the end of the reaction.

Stoichiometry.html This animation shows a reaction where the reactants are in the same ratio as the coefficients in the balanced equation.
Leyes de los Gases
MolecularDistribution.html This animation shows the generation of a molecular speed distribution graph using metal vapor.
Avogadro'sLaw.html

This animation shows how the volume of a gas changes with the number of moles of gas at constant temperature and pressure.

Boyle'sLaw.html This animation shows how the pressure of a gas changes with the volume of gas at constant temperature and moles.
CharlesLaw.html

This animation shows how the volume of a gas changes with the temperature of gas at constant pressure and moles.

Gay-Lussac'sLaw.html This animation shows how the pressure of a gas changes with the temperature of gas at constant volume and moles.
AtmosphericPressure.html

This animation shows how atmospheric pressure is exerted on a person and how it is calculated.

Enlaces químicos
CovalentBonding.html This animation shows the sharing of electrons and the formation of a nonpolar covalent bond.
IonicBonding.html

This animation shows the transfer of electrons from a metal to a nonmetal to form ions and the structure of an ionic crystal.

PolarBonding.html This animation shows the formation of polar covalent bonds. Two molecules with different geometries are shown.
Cambios de fase
Calorimeter.html This animation shows the components of a calorimeter.
HeatingCurve.html

This animation shows the change in energy associated with a change in physical state.

KineticEnergy-Solid.html This animation shows the motion of the particles in a solid.
KineticEnergy-Liquid.html

This animation shows the motion of the particles in a liquid.

KineticEnergy-Gas.html This animation shows the motion of the particles in a gas.
VaporPressure.html

This animation shows the evaporation of a liquid producing an equilibrium vapor pressure.

Propiedades coligativas
OsmoticPressure.html This animation shows the separation of a solvent and a solution by a semipermeable membrane, osmosis, and osmotic pressure.
VaporPressure_Aq_Solution.html

This animation shows the transfer of solvent from a solution of low concentration to a solution of high concentration through the vapor phase.

Termodinámica
BondRotation.html This animation shows the rotation around a single bond in a molecule.
GasMixing.html

This animation shows the change in entropy for two gases mixing.

PotentialEnergy.html This animation shows the change in potential energy as a ball falls down a flight of stairs.
StretchingVibration.html

This animation shows the change in bond length in a molecular vibration.
Work-2step.html This animation shows the work done in a two-step isothermal expansion of an ideal gas.
Work-4step.html

This animation shows the work done in a four-step isothermal expansion of an ideal gas.

Equilibrio químico
Solubility_of_AgCl.html This animation shows the equilibrium between an ionic solid and the ions in solution for slightly soluble AgCl.
N2-O2_Equilibrium.html

This animation shows a gas phase equilibrium system.

CaO-CaCO3.html This animation shows a solid and gas equilibrium system and the effect adding additional solid on the position of the equilibrium.
2NO2-N204.html

This animation shows the effect of change the volume of a gas phase equilibrium mixture where the numbers of reactant and product molecules are different.

H2I2_equilibrium.html This animation shows the effect of change the volume of a gas phase equilibrium mixture where the numbers of reactant and product molecules are the same.
Cinética química
Catalyst_1.html This animation shows a solid state catalysis.
Catalyst_2.html

This animation shows the solid state catalytic hydrogenation of an alkene.
EnzymeCatalyst.html This animation shows the basic function of a enzyme as a catalyst.
Molecular_collision_Ea.html

This animation shows the change in potential energy as two molecules collide.

Energy_of_Activation.html This animation shows the change in the number of molecules with energy greater than the energy of activation as the temperature increases.
Ácido- base
WeakAcidEquilibrium.html This animation shows the low percent ionization of a weak acid in water.
StrongAcidIonization.html This animation shows the 100% percent ionization of a strong acid in water.

Electroquímica
ElectrochemCell_pt_1.html Part One in a set of six Flash animations with narration explaining how a voltaic cell works.
ElectrochemCell_pt_3.html

Part Three in a set of six Flash animations with narration explaining how a voltaic cell works.

ElectrochemCell_pt_4.html Part Four in a set of six Flash animations with narration explaining how a voltaic cell works.
ElectrochemCell_pt_5.html

Part Five in a set of six Flash animations with narration explaining how a voltaic cell works.

ElectrochemCell_pt_6.html Part Six in a set of six Flash animations with narration explaining how a voltaic cell works.
Estructura y geometría molecular
Polar_vs_Nonpolar.html
This animation shows the interaction of a polar and a nonpolar liquid separating into two different layers.
VisionChemistry.html

This animation shows the conversion of 11-cis-retinal to 11-trans-retinal by absorbing a photon of light and the transfer of that absorption to the brain.

Biología
FrogLifeCycle.html This fun Flash animation was designed for middle school students. With interactive buttons, motion and sound, it takes them through a simplified generic life cycle of a frog.
AtmosphericPressure.html

A Flash animation showing how atmospheric pressure figures into the equation for gaining acceleration to leave the earth's gravity and fly into outer space.