Never mind i got the answer, you

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

What energy is it when you flip on a switch on a lamp