Answer: 3.35x10²³atoms H2
Explanation: solution attached:
Convert mass of Al to moles
Do the mole to mole ratio between Al and H2
Convert moles of H2 to atoms using Avogadro's number.
Explanation:
option A skeleton system is correct option
hope this helps you !
This problems answer is contact force because you are touching it
Answer:
when the rates of the forward and reverse reactions are equal
Explanation:
In a chemical system, the reaction reaches a dynamic equilibrium when the rate of formation of product equals the rate of formation of reactants. This implies that both the forward and revered(backwards) reaction are occurring at the same rate.
Answer:
particles larger than 5 microns are normally expelled. -particles smaller than 5 microns may enter into alveolar sacs. ... -chemical can penetrate skin and go into bloodstream.
Explanation: