Solução ácido-base

Solução ácido-base Captura de Ecrã  Descarregar  Embutir
  • Ácidos
  • Bases
  • Equilíbrio
Java Logo Simulação Original e Traduções

Tópicos

  • Ácidos
  • Bases
  • Equilíbrio
  • Dissociação
  • Soluções

Descrição

Como ácidos fortes e fracos são diferentes? Use ferramentas de laboratório no seu computador para descobrir! Mergulhe o papel ou a sonda em solução para medir o pH, ou colocar nos eletrodos para medir a condutividade. Então, veja como a concentração e a força afectam o pH. Poderá uma solução de ácido fraco ter o mesmo pH da solução de ácido forte?

Amostra das Metas de Aprendizagem

  • Given acids or bases at the same concentration, demonstrate understanding of acid and base strength by: 1.Relating the strength of an acid or base to the extent to which it dissociates in water 2.Identifying all of the molecules and ions that are present in a given acid or base solution. 3.Comparing the relative concentrations of molecules and ions in weak versus strong acid (or base) solutions. 4.Describing the similarities and differences between strong acids and weak acids or strong bases and weak bases.
  • Demonstrate understanding of solution concentration by: 1.Describing the similarities and differences between concentrated and dilute solutions. 2.Comparing the concentrations of all molecules and ions in concentrated versus dilute solutions of a particular acid or base.
  • Use both the strength of the acid or base and the concentration of its solution in order to: 1.Describe in words and pictures (graphs or molecular drawings) what it means if you have a: Concentrated solution of a weak acid (or base) or Concentrated solution of a strong acid (or base) or other combinations. 2.Investigate different combinations of strength/concentrations that result in same pH values.
  • Describe how common tools (pH meter, conductivity, pH paper) help identify whether a solution is an acid or base and strong or weak and concentrated or dilute.
Versão 1.2.21

Dicas para Professores

Descarregar dicas para professores PDF Revisão dos controlos das simulações, simplificação dos modelos, e instropeção ao pensamento do aluno (PDF). ( PDF ).

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Atividades Submetidas por Professores

Preguntas de razonamiento para todas las simulaciones HTML5 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Diana López Graduado
Primário
Univ-Intro
Univ-Avan
Básico
Secundário
TPC
Discuss
Química
Física
Matemática
Astronomia
Acid Concentration and Strength Investigation A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Julia Chamberlain, Susan Hendrickson Secundário
Univ-Intro
Guided
TPC
Química
Acid Base Solutions - Concentration and Strength A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein Secundário
Univ-Intro
TPC
CCs
Lab
Química
Strong and Weak Acids A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Kelly Lancaster, Laurie Langdon Secundário
Univ-Intro
CCs
TPC
Lab
Química
PhET Sims Aligned to the Chemistry Curriculum This contribution was designed by PhET. Julia Chamberlain Secundário
Univ-Intro
Outro Química
Alignment of PhET sims with NGSS This contribution was designed by PhET. Trish Loeblein Secundário Outro Ciências Naturais
Química
Biologia
Física
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein Básico Outro Química
Biologia
Física
Ciências Naturais
acidity PH and its influance on amino acids residual and on proteins Nurit Hechel Secundário Guided Biologia
MS and HS TEK to Sim Alignment Elyse Zimmer Básico
Secundário
Outro Biologia
Química
Física
Acid-Base WebLab PhET HTML5 Melissa Venable Secundário Lab Química
Student Guide for PhET - Acid Base Solutions in html5 Brian Libby Básico
Secundário
TPC
Guided
Química
Acid/Base Solutions Angela Yochum Secundário
Básico
Lab Química
Acid-Base WebLab PhET HTML 5 Version Melissa Venable Secundário Lab Química

Idioma Descarregar ou Correr Tips
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The new HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems.

iPad:
iOS 11+ Safari
iPad compatible sims

Android:
Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.

Chromebook:
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The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims

Windows Systems:
Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Google Chrome.

Macintosh Systems:
macOS 10.9.5+, Safari 9+, latest version of Chrome.

Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.

Equipa de Design Bibliotecas de Terceiros Agradecimentos Para
  • Kelly Lancaster (lead)
  • Chris Malley (developer)
  • Bryce Gruneich
  • Patricia Loeblein
  • Emily B. Moore
  • Robert Parson
  • Kathy Perkins
  • almond-0.2.9.js
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  • fontawesome-webfont-3.0.2.svg
  • jama-1.0.2
  • jquery-2.1.0.js
  • lodash-2.4.1.js
  • pegjs-0.7.0.js
  • text-2.0.12.js
  • Royal Society of Chemistry
  • Mobile Learner Labs