First, you convert liters to moles.
Usually you have to go to grams but this is STP.
Get moles directly by dividing the 4 by STP (22.4)

About

or 0.18 moles whichever your teacher prefers
... liquid water are two different forms of the same chemical substance, water. A chemical substance is a form of matter that has constant chemical ...
Hope this helps
Answer- 1 mole
Answer:
Eletrical
Explanation:
The electric transfers 70% of the input energy to kinetic energy 30% is wasted output energy in the form of thermal energy and sound.