Find the AH° for the reaction of two moles of aqueous ammonium hydroxide and one mole of aqueous calcium chloride that produces two moles of aqueous ammonium
chloride and one mole of solid calcium hydroxide.
2NH4OH(aq) + CaCl2(aq) 2NH4Cl(aq) + Ca(OH)2(s)

A) -31.04kJ

B) -1585.41kJ

C) -67.2kJ

D) -3103.61kJ

E) -1518.2kJ

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".