Chemical Engineering > GATE 2011 > Diffusion
Ammonia (component 1) is evaporating from a partially filled bottle into surrounding air (component 2). The liquid level in the bottle and the concentration of ammonia at the top of the bottle are maintained constant. Ni is the molar flux relative to a fixed location in space and Jt is the molar flux with respect to the average molar velocity of the constituent species in the gas phase. Assume that air in the bottle is stagnant. Which ONE of the following is CORRECT?
A
N1= constant, N2=0, J1+J2=0
B
N1+N2=0, J1+J2=0
C
N1+N2=0, J1= constant, J2=0
D
N1= constant, N2=0, J1= constant, J2=0

Explanation

Correct : a

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