relation between pressure and boiling point
TRANSCRIPT
RELATION BETWEEN PRESSURE
AND BOILING POINT
BY: JOHNS JOSEPH
WHAT IS THE BOILING POINT OF WATER ?
WE ALL HAVE A COMMON ANSWER
BUT IT IS 100 DEGREES CELSIUS AT
1 ATMOSPHERE PRESSURE
AS THE PRESSURE CHANGES THE BOILING POINT WILL ALSO
CHANGE
WATER BOILS AT 76OC ON MT. EVEREST AT 0.333 ATMOSPHERE
PRESSURE
AS THE PRESSURE DECREASES THE BOILING POINT WILL ALSO DECRESASES
FOR PROPER COOKING PROPER TEMPERATURE IS
REQUIRED
THE PRESSURE COOKER WAS
INVENTED BECOUSE OF THIS REASON
• PRESSURE COOKER WORKS BY KEEPING THE VOLUME CONSTANT AND
INCREASING THE PRESSURE
• AS THE PRESSURE RISES, THE TEMPERATURE OF THE WATER AND STEAM
INSIDE THE PRESSURE COOKER ALSO RISES ABOVE THE NORMAL 100ºC
(212ºF) BOILING POINT TEMPERATURE.
• HIGHER THE PRESSURE, THE SHORTER THE COOKING TIME.
THANKYOU
Prepared BY:JOHNS JOSEPH