demo solid gas liquid

1. What atom did you chose?

Step 2 – Select a starting state, observe the atoms in the simulation for a minimum of 10 seconds. Below, write a sentence or two about what you observed for each state.

2. Solid

3. Liquid

4. Gas

PHYS 110 – 1077 Demo – States of matter 4/9/2020

Step 3 – Click solid for your state. Absolute zero occurs at -273°C. The simulation will not go lower than -271°C. Reduce the temperature to -271°C.

5. What do you notice about the motion of the atoms at -271°C compared to when you click solid?

Step 4 – Click gas for your state. Increase the temperature by a minimum of 100°C. The simulation does not seem to have a maximum temperature.

  1. What is your new temperature?
  2. What do you notice about the motion of the atoms at your new temperature compared to when you clicked gas?

Step 5- Choose a phase change (solid to liquid, or liquid to gas). Increase or decrease the temperature from the starting temperature to the value in the table above.

  1. What phase change are you looking at? What state did you start in?
  2. What do you notice about the atom motion? Is it more similar to the starting state or the new one? Include a screen shot of your system.
  3. Allow the simulation to run for 1 minute, do you notice a change in motion? If so, what changed?

Step 6 – Increase or decrease the temperature by 1°C, in the direction you already began moving in Step 3.

11. What do you notice about the motion now? What has changed? What has stayed the same? Again, include a screenshot of your system.

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