Reactions & Rates

Ev şêwekar hêj ji bo vî zimanê nehatiye wergerandin. Dîsa jî hun dikarin guhertoya bi Îngilîzî ya li jêr bixebitînin.

Reactions & Rates Wêneya Dîmenê  Daxîne  Çalkirin
  • Reaction
  • Livînzanî
  • Tîrbûn

Naverok

  • Reaction
  • Livînzanî
  • Tîrbûn
  • Hawsengî

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?

Mînakên Armancên Fêrbûnê

  • 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

Di rêbera mamosteyan (pdf) de rêwazên aliyê koma PhET ve hatine afirandin hene. ( 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
HS
PKêş
ST
Ez.geh
Kîmya
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 MS
HS
UG-Intro
MC Kîmya
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 UG-Intro
HS
ST
Ez.geh
Kîmya
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 UG-Intro
HS
PT
PKêş
ST
Ez.geh
Kîmya
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 HS
UG-Intro
Yên din Kîmya
Erdzanî
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
HS
ST
PT
Ez.geh
Kîmya
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 UG-Intro
HS
Ez.geh
PT
ST
Kîmya
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 Ez.geh Kîmya
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 HS
UG-Intro
PKêş
PT
Ez.geh
Kîmya
Exploring Equilibrium 2 (Le Chatelier's Principle) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Amy Jordan HS Ez.geh Kîmya
Exploring Equilibrium A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Amy Jordan HS Ez.geh Kîmya
Kinetics Guided Inquiry A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Chris Dewberry UG-Intro ST
PT
Yên din
Ez.geh
Reaction Rates A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Emily Firchau HS Ez.geh Kîmya
PhET Sims Aligned to the Chemistry Curriculum This contribution was designed by PhET. Julia Chamberlain HS
UG-Intro
Yên din Kîmya
Alignment of PhET sims with NGSS This contribution was designed by PhET. Trish Loeblein HS Yên din Zindîwerzanî
Erdzanî
Fîzîk
Kîmya
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein MS Yên din Kîmya
Zindîwerzanî
Erdzanî
Fîzîk
Reactions and Rates: Learning Goals from the design team (Inquiry Based) This contribution was designed by PhET. Trish Loeblein, Linda Koch UG-Intro
HS
UG-Adv
Yên din Kîmya
MS and HS TEK to Sim Alignment Elyse Zimmer MS
HS
Yên din Zindîwerzanî
Fîzîk
Kîmya
Understanding Rates of Reactions Lauren Petersen MS
UG-Intro
HS
Ez.geh
Guided
ST
Kîmya
Reactions and Rates Jefferson County Middle School Workshop MS Ez.geh Kîmya
LeChateilier's Principle - Concentration Robert Strauss HS Ez.geh
반응과 반응속도 SIM 사용지침서 이화국(Wha Kuk Lee) UG-Intro
HS
Ez.geh
PKêş
Yên din
Zindîwerzanî
Kîmya

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Koma Pêşnûmakeriyê Danegehên Kesê-sêyemîn Spas Ji Bo
  • Linda Koch (lead)
  • Ron LeMaster (developer)
  • Trish Loeblein
  • Kathy Perkins
  • Interviewer: Mindy Gratny