How many coulombs are provided by a current 0.010 mA in the calculator battery that can operate for 1000 hours?

How many hour are required for a current of 3.0 ampere to decompose 18 g water?

How many coulomb of electricity are consumed when 100 mA current is passed throught a solution of AgNO_3 for 30 minute during an electrolysis experiment:

A certain current liberates 0.5 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?

A certain current liberates 0.5g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution ?

A certain current liberates 0.5g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution ?