.3333333 as a repeating decimal
The higher the current, the more likely it is lethal. Since current is proportional to voltage when resistance is fixed (ohm's law), high voltage is an indirect risk for producing higher currents.
440 cause mass cant be created or destroyed
There are 34 g of oxygen in the container.
We can use the<em> Ideal Gas Law</em> to solve this problem.
But
, so
and

STP is 0 °C and 1 bar, so

The final temperature of the lead-water system will be lower than the final temperature of the copper-water system.