POVRATNI (REVERZIBILNI) PROCESI

POVRATNI (REVERZIBILNI) 
PROCESI Screenshot
Browser-Compatible Version
  • Termodinamika
  • Temperatura
  • Toplota
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Sadržaj

  • Termodinamika
  • Temperatura
  • Toplota
  • Gas
  • Reakcija
  • Toplotna energija

Description

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.

Primjeri obrazovnih ciljeva

  • 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.
Version 3.15

Teacher-Submitted Activities

Entropy, Microstates, and Probability - Interactive Lecture Demonstration Guide A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Ovu Aktivnost dizаjnirаo je PhET. Ted Clark, Julia Chamberlain UG-Intro (VSŠ) Demo Hemija
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. Ovu Aktivnost dizаjnirаo je PhET. Trish Loeblein UG-Intro (VSŠ)
HS (VŠ)
Lab
KP
Hemija
Inquiry Equilibrium activity A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Joshua Manner HS (VŠ) Guided
Lab
Hemija
Equilibrium Inquiry and Experiment Activity A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Ryan White HS (VŠ) Lab Hemija
How do PhET simulations fit in my middle school program? Ovu Aktivnost dizаjnirаo je PhET. Sarah Borenstein MS (SŠ) Ostalo Fizika
Biologija
Hemija
Nauka o Zemlji
PhET Sims Aligned to the Chemistry Curriculum Ovu Aktivnost dizаjnirаo je PhET. Julia Chamberlain UG-Intro (VSŠ)
HS (VŠ)
Ostalo Hemija
MS and HS TEK to Sim Alignment Elyse Zimmer MS (SŠ)
HS (VŠ)
Ostalo Hemija
Biologija
Fizika
Le Chatelier's Principle Demos Laura Conrad HS (VŠ) KP
Lab
Demo
Hemija
Basic Thermodynamics Inquiry Dan Kohler HS (VŠ) KP Hemija
가역반응 SIM 사용지침서 Wha Kuk Lee HS (VŠ)
UG-Intro (VSŠ)
Ostalo
Lab
Hemija

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Dizajn tim Nezavisne baze i biblioteke Hvala:
  • Jack Barbera
  • Linda Koch (lead)
  • Ron LeMaster (developer)
  • Interviewer: Wendy Adams