What is the mechanism for the copolymerisation reaction between styrene and methyl methacrylate (using benzoyl peroxide as the initiator)?

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

0.09 moles of sodium sulfate in 12 ml of solution