Step ( 2 ) : The experimental value of | F ( u ) |, calculated from the diffraction pattern via the signal equation, is then substituted for | G _ k ( u ) |, giving an estimate of the Fourier transformation:
42.
The limit to the precision of the method is the measurement of " F " : the best experimental value has a relative uncertainty of 1.6 ppm, about thirty times higher than other modern methods of measuring or calculating the elementary charge.
43.
Useful tabulated values of van der Waals radii are obtained by taking a weighted mean of a number of different experimental values, and, for this reason, different tables will be seen to present different values for the van der Waals radius of the same atom.
44.
This disagreement between the equipartition prediction and the experimental value of the molar heat capacity cannot be explained by using a more complex model of the molecule, since adding more degrees of freedom can only " increase " the predicted specific heat, not decrease it.
45.
Besides, almost all bonds to fluorine are highly polar because of its large electronegativity, so the use of a covalent radius to predict the length of such a bond is inadequate and the bond lengths calculated from these radii are almost always longer than the experimental values.
46.
Using this expression for the total energy of an atom ( or ion ) as a function of the shielding constants and effective quantum numbers, Slater was able to compose rules such that spectral energies calculated agree reasonably well with experimental values for a wide range of atoms.
47.
Using the HO model to obtain the impact force of real climbing ropes as a function of fall height " h " and climber's weight " mg ", one must know the experimental value for " E " of a given rope.
48.
This Hartree Fock model gives a reasonable description of H 2 around the equilibrium geometry-about 0.735?for the bond length ( compared to a 0.746?experimental value ) and 84 kcal / mol for the bond energy ( exp . 109 kcal / mol ).
49.
Since \ psi ^ * = \ sqrt { 1-\ alpha ^ 2 } \ vert M _ d \ rangle-\ alpha \ vert L _ { np } \ rangle, the above expression relating intensity and quantum transition operators can be simplified to use experimental values:
50.
He also thought that the blue light that also comprises the white light beam was a negligible factor that had no effect on the apparent hue shift . Sir Abney was able to prove his hypothesis experimentally by matching his experimental values of percentage composition and luminosities of red, green, and blue sensations to the calculated values almost exactly.
