Khan Academy on a Stick : Reacciones químicas (estequiometría)

Khan Academy on a Stick

Química

Molecular and Empirical Formulas (EN)
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Introduction to molecular and empirical formulas. Calculating molecular mass.
El mole y el número de Avogadro (ES)
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Introducción a la idea de un mole como un número (y no un animal)
Formula from Mass Composition (ES)
Figuring out the empirical formula from a molecules mass composition
Another mass composition problem (ES)
Another exercise converting a mass composition to an empirical formula.
Balancing Chemical Equations (ES)
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The art of balancing equations in chemistry!
Stoichiometry (ES)
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Introduction to stoichiometry
Problema de Ejemplo de Estequiometría 1 (EN)
Problema de Ejemplo de Estequiometría 2 (ES)
Stoichiometry: Limiting Reagent (ES)
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Stoichiometry problem where we have a limiting reagent!
Problema de Ejemplo de Reactivo Limitante 1 (ES)
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Spectrophotometry Introduction (EN)
Spectrophotometry, Transmittance, Absorbance and the Beer-Lambert Law
Spectrophotometry Example (EN)
Spectrophotometry Example - Determining concentration based on absorbance