Lab 4 Kinetic Theories-> Work by Gases from different temperature gas inside flask, First Law of Thermodynamics, Molecular Dynamic Applet presentation, The Fire Syringe<-

Work by Gases from different temperature gas inside flask

Pictorial demonstration.

The lab setup was to put flask to either hot or cold beakers of water.

Setup
Setup for work done by gas. as Flask full of air with increased temperature push up, or decreased temperature goes back down.

The effect was that the hot beaker makes the syringe go higher, and cold syringe makes it go lower.

Molecular Dynamic Applet presentation
*http://physics.weber.edu/schroeder/software/mdapplet.html

Dynamic Molecular Applet

The model shows how particles move when different conditions are changed. For example, higher temperature will increase the particles movement speed because there is excess heat energy introduced into the system.

Fire Syringe

Note:  The paper flashpoint of 451 degrees Fahrenheit is well known to readers of Ray Bradbury’s famous science fiction novel, Fahrenheit 451, about book burning for the sake of maintaining a stable society.

Fire Syringe lighting fire using by the adiabatic process.

Radius .5 cm and volume calculation .49^2pi*initial or final air column

Final L= 1.97, wrong in the picture.
V1T1^5/2=VfTf^5/2
Tf=(H/Hf*T^5/2)^2/5=612
Compare to true value 451
   percent error:(612 -451)/451= 31.5%