Agraphical presentation of Eq. (8.30), a double reciprocal plot of i/uo versus 1/A, will show a family of straight lines with a common intersection point on the ordinate if the concentration of substrate B is kept constant and the concentration of product Q is steadily increased. In this case, a replot of Slope,/a versus 0 wiU provide the value of the dissociation constant of the EBQ complex (IfiiQ) (Fig. 7). [Pg.131]

Fig. 6 shows a double logarithmic plot of Q against concentration (c) for PVC samples. The slope Is within experimental uncertainty equal to the theoretical value 4 given In Eq. 13. The average value of the constant a is found to be 7.7. = 8. [Pg.141]

The hypothesis of pure precession (Van Vleck, 1929) is often used in the estimation of A-doubling constants. These constants, in the o,p, q notation suggested by Mulliken and Christy (1931), are introduced into the effective Hamiltonian [Pg.327]

For g3, Kirkwood s superposition approximation is assumed. Next a double derivative of Eq. (115) is taken and Laplace inversion is performed. Now equating the terms in this expression and in Eq. (119) (after setting q = 0) of the order of (1/z3) the following expression for the binary time constant is obtained [Pg.108]

Here 0 is the sector angle (2.5° for a double-sector centerpiece), and h is the cell thickness which can vary from 12 mm (most common) to 30 mm. Since and h are constants, they drop out. Note that for a sectorshaped cell dv = Ohd(r2)/2. One can also write the conservation of mass equation for the total concentration this is done by summing Equation 18a over all q solutes. Thus [Pg.247]

Similar equations for o,p, and q may be derived for generalized pure precession situations involving two or more open shells. The validity of these pure precession equations depends on many assumptions, yet experimentalists are very quick to use them to explain the sign or even the magnitude of observed A-doubling and spin-rotation constants or to use these constants to infer /eff values for valence-shell a and 7r orbitals. [Pg.331]

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