ХЕМИСКИ РЕАКЦИИ И ПРОМЕНИ
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Содржина
- Реакција
- Кинематика
- Концентрација
- Рамнотежа
Description
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?
Примери за целите на учење
- 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.
Version 1.07
Клучни зборови
Teacher Tips
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Водичот за наставници (pdf) содржи совети создадени од тимот на PhET.. ( PDF ). |
Teacher-Submitted Activities
Наслов |
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Автори | Ниво | Тип | Subject |
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Using PhET in High School Chemistry- all my activities in pdf |
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Trish Loeblein | ВШ ДД-Вовед |
Лаб ДомР Демо |
Хемија |
Concept Questions for Chemistry using PhET |
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Trish Loeblein | ДД-Вовед СШ ВШ |
MC | Хемија |
Reactions and Rates 4: Equilibrium LeChatlier |
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Trish Loeblein | ДД-Вовед ВШ |
Лаб ДомР |
Хемија |
Reactions and Rates 4 lessons (Inquiry Based) |
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Trish Loeblein | ДД-Вовед ВШ |
Демо КП Лаб ДомР |
Хемија |
Salts and Solubility 5 Activities in pdf |
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Trish Loeblein | ВШ ДД-Вовед |
Друго | Географија Хемија |
Reactions and Rates 3: Introduction to Equilibrium (Inquiry Based) |
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Trish Loeblein | ВШ ДД-Вовед |
КП ДомР Лаб |
Хемија |
Reactions and Rates 2: Intro to Kinetics (inquiry based) |
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Trish Loeblein | ВШ ДД-Вовед |
ДомР Лаб КП |
Хемија |
Reactions and Rates College version for tab 3- kinetics (Inquiry Based) |
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Trish Loeblein | ДД-Нап | Лаб | Хемија |
Reactions and Rates 1 Introduction to reactions (Inquiry Based) |
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Trish Loeblein | ВШ ДД-Вовед |
Лаб КП Демо |
Хемија |
Exploring Equilibrium 2 (Le Chatelier's Principle) |
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Amy Jordan | ВШ | Лаб | Хемија | |
Exploring Equilibrium |
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Amy Jordan | ВШ | Лаб | Хемија | |
Kinetics Guided Inquiry |
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Chris Dewberry | ДД-Вовед | Друго Лаб КП ДомР |
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Reaction Rates |
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Emily Firchau | ВШ | Лаб | Хемија | |
PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | ДД-Вовед ВШ |
Друго | Хемија | |
Alignment of PhET sims with NGSS |
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Trish Loeblein | ВШ | Друго | Хемија Географија Физика Биологија |
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How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | СШ | Друго | Биологија Географија Физика Хемија |
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Reactions and Rates: Learning Goals from the design team (Inquiry Based) |
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Trish Loeblein, Linda Koch | ДД-Нап ДД-Вовед ВШ |
Друго | Хемија | |
MS and HS TEK to Sim Alignment | Elyse Zimmer | ВШ СШ |
Друго | Биологија Физика Хемија |
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Understanding Rates of Reactions | Lauren Petersen | ДД-Вовед ВШ СШ |
Guided Лаб ДомР |
Хемија | ||
Reactions and Rates | Jefferson County Middle School Workshop | СШ | Лаб | Хемија | ||
LeChateilier's Principle - Concentration | Robert Strauss | ВШ | Лаб | |||
반응과 반응속도 SIM 사용지침서 | 이화국(Wha Kuk Lee) | ВШ ДД-Вовед |
Лаб Демо Друго |
Хемија Биологија |
Windows | Macintosh | Linux |
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Microsoft Windows XP/Vista/7/8.1/10 Latest version of Java
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OS X 10.9.5 or later Latest version of Java
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Latest version of Java
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Развоен Тим | Библиотеки од трети лица | Благодарност до |
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