shown in the figure, a tank fitted with an electrical resistor of negligible er a period of 10 minutes, electric power Eelectric of 0.35 kW is provided gnitude 10.5 kJ occurs from the nitrogen to its surroundings. Assume i termine the final temperature, in °C, and the final pressure, in MPa. Nitrogen, N₂

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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As shown in the figure, a tank fitted with an electrical resistor of negligible mass holds 2 kg of nitrogen (N₂), initially at 27°C, 0.1 MPa.
Over a period of 10 minutes, electric power Eelectric of 0.35 kW is provided to the resistor. During this same period, a heat transfer of
magnitude 10.5 kJ occurs from the nitrogen to its surroundings. Assume ideal gas behavior, but do not assume constant specific heats.
Determine the final temperature, in °C, and the final pressure, in MPa.
Nitrogen, N₂
m = 2 kg
T₁ = 27°C
P₁ = 0.1 MPa
eeeeeee
Qout, 12 = 10.5 kJ
É electric
At 10 minutes
Transcribed Image Text:As shown in the figure, a tank fitted with an electrical resistor of negligible mass holds 2 kg of nitrogen (N₂), initially at 27°C, 0.1 MPa. Over a period of 10 minutes, electric power Eelectric of 0.35 kW is provided to the resistor. During this same period, a heat transfer of magnitude 10.5 kJ occurs from the nitrogen to its surroundings. Assume ideal gas behavior, but do not assume constant specific heats. Determine the final temperature, in °C, and the final pressure, in MPa. Nitrogen, N₂ m = 2 kg T₁ = 27°C P₁ = 0.1 MPa eeeeeee Qout, 12 = 10.5 kJ É electric At 10 minutes
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