?Two neutral species, A and B, with diameters 655 pm and 1820 pm, respectively, undergo
Chapter 18, Problem E18B.4(a)(choose chapter or problem)
Two neutral species, A and B, with diameters 655 pm and 1820 pm, respectively, undergo the diffusion-controlled reaction \(\mathrm{A}+\mathrm{B} \rightarrow \mathrm{P}\) in a solvent of viscosity \(2.93 \times 10^{-3} \mathrm{\ kg} \mathrm{\ m}^{-1} \mathrm{\ s}^{-1}\) at \(40^{\circ} \mathrm{C}\). Use eqn 18B.3 to calculate the initial rate d[P]/dt, given that the initial concentrations of A and B are \(0.170 \mathrm{\ mol} \mathrm{\ dm}^{-3}\) and \(0.350 \mathrm{\ mol} \mathrm{\ dm}^{-3}\) , respectively. Then repeat the calculation by using eqn 18B.4. Comment on the validity of the approximation that leads to eqn 18B.4.
Text Transcription:
A+B rightarrow P
2.93 times 10^-3 kg m^-1 s^-1
40^circ C
0.170 mol dm^-3
0.350 mol dm^-3
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