How long does it take to cook potatoes in a pressure cooker?

Physics

2 answers:

Artist 52 [7]3 years ago

7 0

It can only take 15 minutes to 20 minutes

BARSIC [14]3 years ago

3 0

For sliced or pieces, as well as new or small potatoes, about 5-7 minutes. For whole medium-big potatoes, 10-12 minutes

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A 59.1 g sample of iron is put into a calorimeter (see sketch attached) that contains 100.0 g of water. The iron sample starts off at 85.0 °C and the temperature of the water starts off at 23.0 °C. When the temperature of the water stops changing it's 27.6 °C. The pressure remains constant at 1 atm.

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(Question attached)

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When the system reaches equilibrium the iron and water will be the same temperature, $T_{e}$ . The energy lost from the iron will be equal to the energy gained by the water. It is assumed that the only heat exchange is between the iron and water and no exchange with the surroundings.