Which condition did you change?
Labs / Chemistry
Ideal Gas Law
Every dot is a gas molecule flying in a straight line until it slams into a wall — and every slam is a nudge of pressure. Drag the piston to squeeze the gas, crank up the temperature, or pour in more molecules, and watch the readouts keep P, V, T, and n locked into PV = nRT.
Labs / Chemistry / Ideal Gas Law
Ideal Gas Law
Every dot is a gas molecule flying in a straight line until it slams into a wall — and every slam is a nudge of pressure. Drag the piston to squeeze the gas, crank up the temperature, or pour in more molecules, and watch the readouts keep P, V, T, and n locked into PV = nRT.
Why it matters
Why explore this?
Chemistry connects events too small to see with changes we can measure. This model helps you link particles, energy, and conditions to an observable result.
Explore
Try the model
P 101 kPaV 2.00 LT 300 Kn 60PV 202
Investigate
Questions to test
Predict first, try it in the model, then use what you observe to answer.
What to try
- Drag the piston to halve the volume at a fixed temperature. What happens to the pressure — and why does the PV number barely budge? (That's Boyle's law.)
- Heat the gas without touching the piston. Do the molecules just move faster, or do they also hit harder and more often?
- Watch the amber (fast) molecules mingle with the slow ones. Where does that spread of speeds come from if they all started the same?
- Double the number of molecules. Is the pressure change proportional, and does the average speed (temperature) stay put?
- Cool the gas toward 100 K while keeping the volume fixed. How low would the pressure go if you could keep chilling it?
Explain
Make sense of what happened
Describe what happened at the particle or energy level, then connect it to the result you saw. A strong explanation names both the cause and the evidence.
Check
Before you leave
What happened to the particles or energy?
What observation supports your explanation?
If you can answer all three using evidence from the model, you understand the main idea. If not, return to Explore and change one setting at a time.