# Reações & taxas

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Clique para Iniciar
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• Reação
• Cinemática
• Concentração
• Equilíbrio

### Descrição

Explore what makes a reaction happen by colliding atoms and molecules. Design experiments with different reactions, concentrations, and temperatures. When are reactions reversible? What affects the rate of a reaction?

### Amostra das Metas de Aprendizagem

• Explain why and how a pinball shooter can be used to help understand ideas about reactions.
• Describe on a microscopic level what contributes to a successful reaction (with illustrations).
• Describe how the reaction coordinate can be used to predict whether a reaction will proceed or slow.
• Use the potential energy diagram to determine: The activation energy for the forward and reverse reactions; The difference in energy between reactants and products; The relative potential energies of the molecules at different positions on a reaction coordinate.
• Draw a potential energy diagram from the energies of reactants and products and activation energy.
• Sketch how the number of reactants and products will change as a reaction proceeds.
• Explain how they know that a system has reached equilibrium from a graph of number of reactants and products versus time.
• Predict how raising or lowering the temperature will affect a system in the equilibrium position.
• Describe the relative sizes of the forward and reverse rates at equilibrium.
• Explain what effects whether the equilibrium position favors the products or the reactants.
• Predict how addition of a reactant or product will affect the forward and reverse reaction rates, and once this new system reaches equilibrium how the reactant and product concentrations will compare to the original system at equilibrium.
• Compare graphs of concentration vs. time to determine which represents the fastest or slowest rate.
Versão 1.07

### Dicas para Professores

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

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Albanian Tudo shqip Reaksionet dhe shpejtësitë
Arabic Tudo العربية التفاعلات وسرعتها(معدلها)
Arabic (Saudi Arabia) Tudo العربية (السعودية) التفاعلات وسرعتها(معدلها)
Basque Tudo Euskara Erreakzioak eta abiadura
Bosnian Tudo Bosanski HEMIJSKE REAKCIJE I PROMJENE
Chinese (Simplified) Tudo 中文 (中国) 化学反应平衡
Chinese (Traditional) Tudo 中文 (台灣) Reactions & Rates 化學反應和反應速率
Croatian Tudo hrvatski Brzina reakcija
Czech Tudo čeština Reakce a ceny
Danish Tudo Dansk Reaktioner og størrelser
Dutch Tudo Nederlands Reacties en reactiesnelheid
English Tudo English Reactions & Rates
Estonian Tudo Eesti Reaktsioonid ja nende hindamine
French Tudo français Réaction et cinétique
Galician Tudo Gallegan Reaccións e Rtos
Georgian Tudo ქართული რეაქციები და შედეგები
German Tudo Deutsch Reaktionen & Geschwindigkeiten
Greek Tudo Ελληνικά Αντιδράσεις και Ταχύτητα Αντίδρασης
Hebrew Tudo עברית תגובות וקצבים
Hungarian Tudo magyar Reakciók: sebesség & egyensúly
Indonesian Tudo Bahasa Indonesia Reaksi dan Tingkatannya
Italian Tudo italiano Reazioni e velocità di reazione
Japanese Tudo 日本語 反応と速度
Kazakh Tudo Kazakh Реакцияның & шамалары
Khmer Tudo Khmer ប្រតិកម្ម និង​ល្បឿន
Korean Tudo 한국어 반응과 반응속도
Macedonian Tudo македонски ХЕМИСКИ РЕАКЦИИ И ПРОМЕНИ
Mongolian Tudo Монгол (Монгол) Урвал ба Тооцоо
Persian Tudo فارسی واكنش ها و سرعت ها
Polish Tudo polski Reakcje i ich szybkości
Português (Brazil) Tudo português (Brasil) Reações e Taxas
Russian Tudo русский Скорость реакций
Serbian Tudo Српски ХЕМИЈСКЕ РЕАКЦИЈЕ И ПРОМЕНЕ
Slovak Tudo Slovenčina Reakcie & Hodnoty
Slovenian Tudo Slovenščina Reakcije in hitrosti reakcij
Spanish Tudo español Velocidades de reacción
Spanish (Mexico) Tudo español (México) Velocidades de reacción
Spanish (Peru) Tudo español (Perú) Velocidad de las Reacciones
Swahili Tudo Swahili majibu ya utendaji
Swedish Tudo svenska Reaktioner & reaktionshastigheter
Thai Tudo ไทย ปฏิกิริยาและอัตราการเกิดปฏิกิริยาเคมี
Turkish Tudo Türkçe Reaksiyonlar & Oranlar
Turkmen Tudo Turkmen Reaksiýalar we mukdarlar
Vietnamese Tudo Tiếng Việt Phản ứng và tốc độ phản ứng
Windows Macintosh Linux
Microsoft Windows
XP/Vista/7/8.1/10
OS X 10.9.5 or later
Equipa de Design Bibliotecas de Terceiros Agradecimentos Para
• Ron LeMaster (developer)
• Trish Loeblein
• Kathy Perkins
• Interviewer: Mindy Gratny