Gas Law Demonstrations
Published on Apr 04, 2014
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MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
BELL JAR
Photo by ducksandbooks
Hypothesis
WHAT WILL HAPPEN WHEN THE MACHINE IS TURNED ON?
INITIAL
DURING
WHAT HAS BEEN CREATED?
a Vacuum!
- air molecules lost inside the bell jar
- pressure inside decreases
- pressure outside forces the jar to seal
- the suction is a result of the vacuum inside
Photo by JD Hancock
After
CAN THE BELL JAR BE LIFTED BY ITSELF?
After
NO!
FINAL RESULTS
Pressure released back into the system.
Hypothesis
WHAT WILL HAPPEN TO THE BALLOON IN THE VACUUM?
Initial
BEFORE THE VACUUM IS TURNED ON.
During
VACUUM IS RUNNING.
During
VACUUM IS RUNNING.
During
VACUUM IS RUNNING.
Final
THE BALLOON HAS "SHATTERED"!
Final
THE BALLOON HAS "SHATTERED"!
WATER
Photo by A Guy Taking Pictures
Hypothesis
WHAT WILL HAPPEN TO WATER IN A VACUUM?
Initial
BEFORE THE VACUUM IN TURNED ON.
During
VACUUM RUNNING
During
VACUUM RUNNING
During
VACUUM RUNNING
During
VACUUM RUNNING. WHAT IS HAPPENING?
IS THE WATER HOT?
IS THE WATER HOT?
NO, IT IS ONLY ROOM TEMPERATURE.
Remember
PHASE DIAGRAMS SHOW HOW BOILING POINT RELATES TO PRESSURE.
Untitled Slide
HYPOTHESIS
WHAT WILL HAPPEN IF A "PEEP" IS IN THE VACUUM?
INITIAL
BEFORE THE VACUUM IS TURNED ON.
During
Vacuum is running
During
Vacuum is running
During
Vacuum is running
During
Vacuum is running
Releasing Pressure
VACUUM IS OFF. Normal Pressure returning.
Final Results
Final Results
want to see that again?
Photo by Squire of Cydonia
