Current Attempt in Progress The diffusion constant for the amino acid glycine in water is 1.06 x 109 m²/s. In a 2.0-cm-long tube with a cross-sectional area of 1.4 x 104 m², the mass rate of diffusion is m/t = 4.2 x 10-14 kg/s, because the glycine concentration is maintained at a value of 7.9 × 103 kg/m³ at one end of the tube and at a lower value at the other end. What is the lower concentration?
Current Attempt in Progress The diffusion constant for the amino acid glycine in water is 1.06 x 109 m²/s. In a 2.0-cm-long tube with a cross-sectional area of 1.4 x 104 m², the mass rate of diffusion is m/t = 4.2 x 10-14 kg/s, because the glycine concentration is maintained at a value of 7.9 × 103 kg/m³ at one end of the tube and at a lower value at the other end. What is the lower concentration?
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Transcribed Image Text:Current Attempt in Progress
The diffusion constant for the amino acid glycine in water is 1.06 x 10 m²/s. In a 2.0-cm-long tube with a cross-sectional area of 1.4 x
104 m², the mass rate of diffusion is m/t = 4.2 x 10-14 kg/s, because the glycine concentration is maintained at a value of 7.9 × 10³
kg/m³ at one end of the tube and at a lower value at the other end. What is the lower concentration?
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