Calculate the volume of 2.5% solution (r = 1.017 g/mL) and the water volume to prepare 80 mL of 0.05% KMnO4 solution (r = 1.003 g/mL).

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Adepositional also feature that forms where a stream enters a lake or an ocean is a