pH Scale inquiry-based intro to acid-base Une étoile d'or indique, les activités de haute qualité fondées sur la recherche qui suivent les directives de conception PhET.


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Titre pH Scale inquiry-based intro to acid-base
Description These are inquiry based activities to introduce pH. In 2020, Remote versions were added for students working at home using the HTML5 sim. 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. Determine if a solution is acidic or basic using molecular size representations H3O+/OH- ratio Hydronium and/or Hydroxide concentration 6. Relate pH to H3O+/OH- ratio, Hydronium and/or Hydroxide concentration
Sujet Biologie, Chimie, Science de la Terre
Niveau Collège, Lycée, Premier cycle - Intro
Type Apprentissage à distance, Devoirs, Labo, Questions conceptuelles à choix multiples
Réponses incluses Non
Langue Anglais
Mots clés acid, base, equilibrium, ions, ph, phet, water
Simulation(s) Échelle de pH (HTML5), Echelle de pH, Échelle de pH : Les bases (HTML5)


Auteur(s) Trish Loeblein
Ecole / Organisation PhET
Date de soumission 06/04/09
Date de mise à jour 11/04/20