# Problem 12.027 SI One kmol/sec of helium (He) at 25°C, 4 bar enters an insulated chamber...

###### Question:

Problem 12.027 SI One kmol/sec of helium (He) at 25°C, 4 bar enters an insulated chamber at steady state as shown in the figure below, where it mixes with nitrogen (N2) entering as a separate stream at 277°C, 4 bar. The mixture exits at 3.8 bar with the molar analysis 55% He, 45% N2. Kinetic and potential energy effects can be ignored. Не 298 K 1 4 bar T3, 3.8 bar N2 550 K 4 bar Step 1 Determine the temperature of the exiting mixture, T3, in °C. °C T3 = the tolerance is +/-2% By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor. SUBMIT ANSWE Attempts: 0 of 15 used SAVE FOR LATER

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