身近な科学
Why does a pressure cooker cook faster?
At fixed volume and amount, doubling absolute temperature in the ideal model doubles pressure.
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短い答え
At fixed volume and amount, doubling absolute temperature in the ideal model doubles pressure.
本当は何が起きている？
Combustion releases energy to the surroundings; at constant pressure this is described by a negative enthalpy change.
役立つイメージ
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Higher pressure raises water's boiling temperature. Food can therefore cook in liquid water and steam at a temperature above the usual boiling point at standard atmospheric pressure.