Awater-filled manometer is used to measure the pressure in an air-filled tank. one leg of the manometer is open to atmosphere. for a measured manometer deflection of 250 cm water, determine the absolute pressure and the gauge pressure of the tank. barometric pressure is 101.3 kpa abs.

Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. in essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. suppose a current of 480.ma is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 46.0 seconds. calculate the mass of pure silver deposited on a metal object made into the cathode of the cell. round your answer to 3 significant digits. also, be sure your answer contains a unit symbol. ×10μ

What causes the formation of ocean currents?

When doing scientific research ,the sources used should be ?