What do you mean by the chemical effect of current

What causes most sediment to wash or fall into a river

Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released

High-pressure liquid chromatography (hplc) is a method used in chemistry and biochemistry to purify chemical substances. the pressures used in this procedure range from around 500 kilopascals (500,000 pa) to about 60,000 kpa (60,000,000 pa). it is often convenient to know the pressure in torr. if an hplc procedure is running at a pressure of 1.03×108 pa , what is its running pressure in torr?