Download Reaction Rate Phet

Name __________________________________
Period _______
Phet simulation: Reactions and Rates
Instructions:
Go to http://tinyurl.com/phetrate
Click run now
Select single collision tab.
Click the green + separation view
Click the green + energy view
Explore the simulation.
Manipulate
 the molecule launched
 the launcher options
 raising and lowering the temperature
 different reactions
Answer the following questions:
1. Do all collisions result in a chemical reaction? Explain.
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2. Describe the effect of changing the kinetic energy (temperature) of the reactant on the
formation of the product.
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3.
Describe the effect of changing the angle of collision on the formation of a product.
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4.
Describe the relationship between particle motion and the energy vs. reaction coordinate
graph.
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5.
Describe the relationship between the “total energy” green line and the particle motion.
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Select the many collisions tab.
Click the green + energy view
In the Options category, select “bar”
Explore the simulation.
Manipulate
 the molecule launched
 the launcher options
 raising and lowering the temperature
 different reactions
Answer the following questions:
6.
Describe what happens when you add equal amounts of each reactant.
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7.
Describe the relationship between temperature and rate of converting reactant to product.
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8.
Select 6 particles of each reactant. Add a little heat. Observe. Explain why the “current
amounts” values stay pretty much the same?
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