Give five examples of common-use items of which their concentration is important

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.