How does aspirin work as an anti-inflammatory drug?

Which one of the following statements about acids/bases  is correct.

Plasticizers are additives that increase the plasticity or decrease the viscosity of a material. These substances are compounded into certain types of plastics to render them more flexible. They accomplish this by:  

Write the chemical formula for an ionic compound composed of the 1+ copper ion and the sulfur ion.

On a typical periodic table of elements, how to identifiy the molar mass and the atomic number of an atom?

Write the balanced chemical equation for the dissociation of Ba(OH)2.

Which of the following sets of elements are the most similar to each other?                                           

Write the proper name for the  ionic compound (NH4)3PO4

What’s the name of the substance O2?

The pH values of some solutions are given below. Which solution is basic?