Which of the following is true about the relationship between the energy gap (DE) between the spin states for a 1H nucleus and t
he strength of the external magnetic field?A. they are inversely proportionalB. they are directly proportionalC. there is no relationshipD. the magnetic field is slightly lessE. none of these
<span> Substance 1 was activated by the heat and inactivated by ice, Substance 2 was activated by the change in concentration, and Substance 3 increased the surface area.</span>
)