1. Using the given image arrange the following acids in increasing order of their strength and give a suitable reason. HF, HCl, H3PO4, CH3COOH, H2CO3
2. Write equilibrium equation for the following:
C6H5NH + H2O ↔ C6H5NH2+ + OH-
HCOOH + H2O ↔ H3O+ + HCOO-

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".

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.