All of the following require breaking and forming chemical bonds except
a. burning coal
b. rusting iron
c. evaporating water
d. tarnishing silver

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

може ли да зареждате повече информация, моля