http://phet.colorado.edu/sims/ideal-gas/gas-properties_en.jnlp 1. Open Gas Prope

Question

http://phet.colorado.edu/sims/ideal-gas/gas-properties_en.jnlp

1.  Open Gas Properties and then use the pump to put a little gas into the box.

a.     Observe gas particles’ behavior.

b.     Pump in some lighter particles and talk about the similarities and differences that you see between heavy and light particles.

c.      Use the simulation to see how changing the temperature affects the behavior of the gas particles.

d.     Write a description for a gas based on your observations; include diagrams to help with your description.

2.  Using the simulation, check how fast the air particles move at a selected temperature. For evidence, include how you used the simulation to collect data, and any calculations.

3.  Determine the size of the heavy particle using the simulation tools and then relate molecule size to something you are familiar with. A common way to relate two things is to say something like: 1000 particles of sand fit in the palm of your hand. Show your calculations with the units clearly labeled.

4.  Write a paragraph that explains the differences and similarities between solid, liquid and gas particle motion; include drawings to help with your explanations.

Explanation / Answer

1.1. The particles bounce and bounce.

2. The heavy particles move slower than the light particles.

3. As T increases P increases as well. As a consequence the gas particles will adquire more energy and they will move faster.

4. Gas are a conjuntion of molecules which have a lot of disorder and they are separated enough.

We can gladly help you with the other questions but you should post them again.

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