1) A
2)A
3)C
4)A
That should be all of them. Hope this helps?
Answer: 
is the limiting reagent
Explanation:
To calculate the moles :
The balanced chemical reaction is :
According to stoichiometry :
1 moles of require = 2 moles of 
Thus 0.625 moles of will require=
of
Thus is the limiting reagent as it limits the formation of product and is the excess reagent as it is present more than the required amount.
The answer is B. Cellular Respiration, for sure.
Answer:
Ba(OH)2 + H2SO3 = BaSO3 + H2O -
Explanation:
The answer would be Rocks, metals, hydrogen compounds, hydrogen and helium, all in gaseous form.
