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Internal pressure is a measure of how the internal energy of a system changes when it expands or contracts at constant temperature. It has the same dimensions as pressure, the SI unit of which is the pascal. Internal pressure is usually given the symbol . It is defined as a partial derivative of internal energy with respect to volume at constant temperature:

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  • Der Binnendruck, der von den Kohäsionskräften der Teilchen eines Gases abhängt, ist ein Maß für die Änderung der inneren Energie eines Gases, wenn es sich bei konstanter Temperatur ausdehnt oder zusammenzieht. Es hat dieselbe Einheit wie der Druck, die SI-Einheit ist also Pascal. Der Binnendruck eines idealen Gases ist immer Null. (de)
  • Internal pressure is a measure of how the internal energy of a system changes when it expands or contracts at constant temperature. It has the same dimensions as pressure, the SI unit of which is the pascal. Internal pressure is usually given the symbol . It is defined as a partial derivative of internal energy with respect to volume at constant temperature: (en)
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  • Der Binnendruck, der von den Kohäsionskräften der Teilchen eines Gases abhängt, ist ein Maß für die Änderung der inneren Energie eines Gases, wenn es sich bei konstanter Temperatur ausdehnt oder zusammenzieht. Es hat dieselbe Einheit wie der Druck, die SI-Einheit ist also Pascal. Der Binnendruck eines idealen Gases ist immer Null. (de)
  • Internal pressure is a measure of how the internal energy of a system changes when it expands or contracts at constant temperature. It has the same dimensions as pressure, the SI unit of which is the pascal. Internal pressure is usually given the symbol . It is defined as a partial derivative of internal energy with respect to volume at constant temperature: (en)
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  • Binnendruck (de)
  • Internal pressure (en)
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