Mechanical model of a gas: Vibrating balls strike piston on OHP.
4D30.10 • C+55+10
Mechanical Model of a Gas: Vibrating balls strike piston on OHP. The Apparatus is a simple mechanical model to represent gas molecules in a cylinder colliding with a moveable piston with increasing energy as the gas is heated. Projected Image Model of a Gas: Electric Motor vibrates the steel balls. Piston changes the volume. Note: Same set-up as A+35+30 and C+10+5
Related Demos
C+55+0 Mechanical model of a gas: Vibrating balls on OHP. C+55+5 Hexstat probability device. C+55+15 Brownian motion: Smoke particles viewed using TV camera. C+55+20 Brownian motion: Like C+55+0, with an aluminum disk added. C+55+25 Stoekle's apparatus: Heated tube with mercury and glass bits. C+55+30 Ruchardt's tube: Ball oscillates in a vertical glass tube on jug. C+55+35 Diffusion of Ammonia and HCl. C+55+40 Osmosis of helium through semi-porous cup. C+55+45 Viscosity of air: One rotating disk drives another. C+55+55 Breathe helium, voice pitch rises; breathe SF6, voice pitch lowers. C+55+60 Equipartition of Energy: Different mass balls bounce out at different times. C+55+65 Applet: Gas Properties C+55+70 Applet: A molecular explanation of pressure C+55+75 Applet: Brownian motion C+55+85 Applet: Maxwell's Demon