Reactions & Rates

हे सादृश्य या भाषेत अजून अनुवादीत केले गेलेले नाही, याची इंग्रजी आवृत्ती खाली उपलब्ध आहे.

Reactions & Rates संकल्पनाचित्र  उतरवून घ्या  अंतःस्थापित
  • प्रतिक्रिया
  • शुद्धगतिकी
  • संहती

आशय

  • प्रतिक्रिया
  • शुद्धगतिकी
  • संहती
  • समतोलत्व

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?

नमुना शैक्षणिक उद्दिष्ट्ये

  • 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

Teacher Tips

teacher's guide (pdf) मध्ये PhET चमूने तयार केलेल्या उपयुक्त सुचना आहेत. ( PDF ).

Teacher-Submitted Activities

Using PhET in High School Chemistry- all my activities in pdf A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein UG-Intro
उच्च
HW
गृहपाठ
प्र.शाळा
रसायनशास्त्र
Concept Questions for Chemistry using PhET A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein उच्च
UG-Intro
माध्य.
MC रसायनशास्त्र
Reactions and Rates 4: Equilibrium LeChatlier A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein उच्च
UG-Intro
प्र.शाळा
HW
रसायनशास्त्र
Reactions and Rates 4 lessons (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 उच्च
UG-Intro
CQs
HW
गृहपाठ
प्र.शाळा
रसायनशास्त्र
Salts and Solubility 5 Activities in pdf A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein उच्च
UG-Intro
इतर भू विज्ञान
रसायनशास्त्र
Reactions and Rates 3: Introduction to Equilibrium (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 UG-Intro
उच्च
HW
प्र.शाळा
CQs
रसायनशास्त्र
Reactions and Rates 2: Intro to Kinetics (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 उच्च
UG-Intro
प्र.शाळा
HW
CQs
रसायनशास्त्र
Reactions and Rates College version for tab 3- kinetics (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 UG-Adv प्र.शाळा रसायनशास्त्र
Reactions and Rates 1 Introduction to reactions (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 उच्च
UG-Intro
गृहपाठ
CQs
प्र.शाळा
रसायनशास्त्र
Exploring Equilibrium 2 (Le Chatelier's Principle) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Amy Jordan उच्च प्र.शाळा रसायनशास्त्र
Exploring Equilibrium A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Amy Jordan उच्च प्र.शाळा रसायनशास्त्र
Kinetics Guided Inquiry A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Chris Dewberry UG-Intro प्र.शाळा
इतर
HW
CQs
Reaction Rates A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Emily Firchau उच्च प्र.शाळा रसायनशास्त्र
PhET Sims Aligned to the Chemistry Curriculum This contribution was designed by PhET. Julia Chamberlain उच्च
UG-Intro
इतर रसायनशास्त्र
Alignment of PhET sims with NGSS This contribution was designed by PhET. Trish Loeblein उच्च इतर जीवशास्त्र
भू विज्ञान
भौतिक्शास्त्र
रसायनशास्त्र
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein माध्य. इतर भौतिक्शास्त्र
जीवशास्त्र
भू विज्ञान
रसायनशास्त्र
Reactions and Rates: Learning Goals from the design team (Inquiry Based) This contribution was designed by PhET. Trish Loeblein, Linda Koch UG-Adv
उच्च
UG-Intro
इतर रसायनशास्त्र
MS and HS TEK to Sim Alignment Elyse Zimmer उच्च
माध्य.
इतर रसायनशास्त्र
जीवशास्त्र
भौतिक्शास्त्र
Understanding Rates of Reactions Lauren Petersen माध्य.
उच्च
UG-Intro
प्र.शाळा
Guided
HW
रसायनशास्त्र
Reactions and Rates Jefferson County Middle School Workshop माध्य. प्र.शाळा रसायनशास्त्र
LeChateilier's Principle - Concentration Robert Strauss उच्च प्र.शाळा
반응과 반응속도 SIM 사용지침서 이화국(Wha Kuk Lee) उच्च
UG-Intro
गृहपाठ
इतर
प्र.शाळा
जीवशास्त्र
रसायनशास्त्र

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संकल्पना संघ तृतीयपक्षी संदर्भ यांचे आभार
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  • Ron LeMaster (developer)
  • Trish Loeblein
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  • Interviewer: Mindy Gratny