Reações reversíveis

Reações reversíveis Captura de Ecrã  Descarregar  Embutir
  • Termodinâmica
  • Temperatura
  • Calor


  • Termodinâmica
  • Temperatura
  • Calor
  • Gás
  • Reação
  • Energia Térmica


Watch a reaction proceed over time. How does total energy affect a reaction rate? Vary temperature, barrier height, and potential energies. Record concentrations and time in order to extract rate coefficients. Do temperature dependent studies to extract Arrhenius parameters. This simulation is best used with teacher guidance because it presents an analogy of chemical reactions.

Amostra das Metas de Aprendizagem

  • Describe on a microscopic level, with illustrations, how reactions occur.
  • Describe how the motion of reactant molecules (speed and direction) contributes to a reaction happening.
  • Predict how changes in temperature, or use of a catalyst will affect the rate of a reaction.
  • On the potential energy curve, identify the activation energy for forward and reverse reactions and the energy change between reactants and products.
  • Sketch how the concentrations of reactants and products change as a reaction proceeds.
  • From a graph of concentration as a function of time, students should be able to identify when a system has reached equilibrium.
  • Calculate a rate coefficient from concentration and time data.
  • Determine how a rate coefficient changes with temperature.
  • Compare graphs of concentration versus time to determine which represents the fastest or slowest rate.
Versão 3.15

Atividades Submetidas por Professores

Entropy, Microstates, and Probability - Interactive Lecture Demonstration Guide A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ted Clark, Julia Chamberlain Univ-Intro Demo Química
Salts and Solubility 3: Solution Equilibrium and Ksp (Inquiry Based) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein Univ-Intro
Inquiry Equilibrium activity A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Joshua Manner Secundário Guided
Equilibrium Inquiry and Experiment Activity A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Ryan White Secundário Lab Química
PhET Sims Aligned to the Chemistry Curriculum This contribution was designed by PhET. Julia Chamberlain Secundário
Outro Química
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein Básico Outro Biologia
Ciências Naturais
가역반응 SIM 사용지침서 Wha Kuk Lee Secundário
MS and HS TEK to Sim Alignment Elyse Zimmer Básico
Outro Química
Le Chatelier's Principle Demos Laura Conrad Secundário CCs
Basic Thermodynamics Inquiry Dan Kohler Secundário CCs Química

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