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