Answer:
wouldn't it be the #2 because +∆H um I forgot
The flow of electricity is an electric current. The path that an electric currents floes is a circuit.
Answer:
it is a viral disease . it is infected by one person to other .
To determine whether the amount of H2 in the lab is dangerous, we first need to know how much hydrogen gas is present in the room in units of percent by volume. For this particular problem, we cannot exactly determine since we do not know the total volume of the room. Hope this answers the question.
Answer:
V=0.3×22.4=6.72 liters hope this helps