Question

calculate the volume of 4g of hydrogen at 4atm

Answer 1

At 1 ATP volume of any gas occupies 23.4lit volume.
therefore at 4 ATP volume of any gas occupies 23.4*4lit volume.
4grams of hydrogen means two moles of hydrogen.
therefore 23.4*4*2
simply the value 23.4*4*2.

Answer 2

Explanation:

The SI unit of electrical energy is kWh. The Wh defines the amount of power consumed by the device in the duration of 1 hour