Achild goes to the kitchen sink to rinse the glass from which he just drank grape juice. as the water runs into the glass, the juice residue turns from ppurple to light blue what is happening

Find the mass, in grams, of 5.00*10^23 molecules of f2

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.