Question

6. The data below correspond to solubility of oxygen in water (gOy/100 gH:0) T°C S) 0 0.006945 SER FLER 0.006072 10 SENE 0.00
0 0
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Answer #1

a)

x1=T

x2=solubility

在 《 —0.007/ -0.006 0.006945 0.006072 0.005368 -0.005 10.00480 0.004339 -0.0044 0.003931 0.003588 0.003315 -0.003 0.003082 0.0

b)

Cubic Polynomial is best fit for given data.

mv 0:007 0.004339 0.003931 -0.006 0.003588 0.003315 -0.005 0.003082 0.002858 0.002657 -0.004 0.002274 0.001856 -0.003 Y; ~ax

The Cubic equation is:

y = -3.0103 · 10-87 + 0.0000035995.62 – 0.000192047.0 + 0.00695291

or

Solubility = -3.0103-10-873 +0.000003599512-0.000192047T +0.00695291

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