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Consider a rigid, thick-walled tube that is fi lled with H2O liquid and vapor at 0.1 MPa. After it is sealed, it is heated so that it passes through its critical point. What fraction of the mass in the tube is liquid

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okpalawalter8

The fraction of the mass in the tube is liquid is mathematically given as

kg =0.99876 kg liquid/kg

What fraction of the mass in the tube is liquid?

Generally, the critical volume is mathematically given as

Vc=0.0560* 1/18

Vc=0.00311m3/g

at state 1, at saturated condition having volume 0.003111 m3/kg

for 0.1mpa

V1=0.00104KJ/kg

Vg=1.6720KJ/kg

Hence, the  quality of the vapor-liquid mixture is

Q=[tex]\frac{0.00311-0.001043}{1.6720 - 0.001043}[/tex]

Q=0.001237kgv/kgm

Mass fraction of liquid present = (1-x)

M=(1-x)

Hence

M=(1-0.001237)

kg =0.99876 kg liquid/kg

In conclusion, a fraction of the mass in the tube is liquid

kg =0.99876 kg liquid/kg

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