Current necessary to produce hydrogen gas at the rate `1 CC` per second under standard conditions is

Calculate aprooximately how much current is necessary to produce oxygen gas at rate of 1 mL per second ?

The density of nitrogen under standard conditions is

How much current is necessary to produce O_2 gas at the rate of 1 ml/sec from acidulated water ?

In the electrolysis of acidulated water, it is desired to obtain hydrogen at the rate of 1cc per second at STP conditions. What should be the current passed?

A reaction attains equilibrium state under standard conditions, then:

A reaction attains equilibrium state under standard conditions, then:

It is desired to fill a cylinder of 1 L capacity at 82 atm and 27^(@)C with hydrogen. What will be the density of the hydrogen in the cylinder? What will be the volume of hydrogen under standard conditions of temperature and pressure?

Which one is necessary to test for a hydrogen gas ?