Credit: ANIMATED HEALTHCARE LTD/SCIENCE PHOTO LIBRARY

Caption: Animation showing two gases at different pressures equalising their pressure when contact is made. The dials at the sides show the pressures (P) of each chamber. Initially, the chamber at left contains far more molecules of gas, which collide more frequently with the walls of the chamber, leading to a higher pressure. The chamber at right has fewer molecules and therefore fewer collisions. When the barrier is lifted, the molecules can travel into the adjacent chamber. More molecules from the high-pressure chamber move to the low-pressure side than vice versa, eventually leading to the pressure equalising. This animation is part of a series on the ideal gas laws. See K003 3525-3530 for the complete set.

Release details: Model release not required. Property release not required.

Keywords: atom, atoms, barrier, bounce, bouncing, box, boxes, chamber, chambers, demonstrating, demonstration, door, education, educational, equalising, equilibrium, gas, gauges, high, ideal, law, laws, low, mechanics, molecule, molecules, motion, movement, moving, opening, particle, particles, physical, physics, pneumatics, portal, pressure, pressures, stabilising, statistics, volume, white background

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Gas pressure equalising

K003/3528 Rights Managed

Downloadable master

Duration: 00:00:30.01

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 453.7M

Original

Capture format: QuickTime Animation

Codec: Photo - JPEG

Please contact Science Photo Library if you require the original, or other formats.

 

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