pH Scale inquiry-based intro to acid-base En gold-star betyder høj kvalitet, undersøgelsesbacerede aktiviteter som følger PhET's retningslinier.

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Tittel pH Scale inquiry-based intro to acid-base
Beskrivelse This is an inquiry based activity to introduce pH. The lessons can be used with the Java or html5 sim. I plan to write a quantative activity soon. Learning goals: Determine if a solution is acidic or basic using pH; H3O+/OH- ratio (molecular size representation of just the ions in the water equilibrium);Hydronium/Hydroxide concentration 2.Relate liquid color to pH. 3.Predict if dilution and volume will increase, decrease or not change the pH 4.Organize a list of liquids in terms of acid or base strength in relative order with supporting evidence. 5.Write the water equilibrium expression. Describe how the water equilibrium varies with pH.
Emne Biologi, Geografi, Kemi
Niveau Bachelor - intro, Gymnasium, Mellemskole
Type Koncept spørgsmål, Laboratorie
Varighed 60 minutter
Svar inkluderet Nej
Sprog Engelsk
Nøgleord acid, base, equilibrium, ions, ph, phet, water
Simuleringer pH-skala (HTML5), pH skala

Forfattere Trish Loeblein
Kontakt email
Skole / organisation PhET
Dato for tilmelding 06-04-09
Dato for opdatering 27-05-15