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chemistry
october 2019
18

Chemistry Questions and Answers October 18, 2019

Expert-verified solutions to help you succeed

What is the lead concentration of a saturated solution of lead(II) sulphate containing 0.020 M Na 2 SO 4 ? Ksp for PbSO 4 = 6.3 x 10-7.

With Van der waals equation we know that P = (R*T/v-b) - (a/v^2), a,b are van der waals coefficients. Find out a,b of Helium and plot 2-phase zone diagram of Helium with different Temperature by matlab. (a=0.035 / b=0.024 from Google)

a) A liquid is contained in a reactor vessel at 115 bar absolute pressure. It is transferred to a storage vessel through a 50 mm internal diameter commercial steel pipe. The storage vessel is nitrogen blanketed, and pressure above the liquid surface is kept constant at 1500 Nm gauge. The total run of pipe between the two vessels is 200 m. The

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