Hydrogen Guidelines
3Fe(s)+4H2O(g) = Fe3O4(s)+4H2(g) HELP!?
My little sister has this problem its been a while since ive done this and down want to lead her through the wrong steps please help me so i can have a guideline to help her with thank you.
a) What volume of Hydrogen at STP can be produced by the reaction using 6.28g of iron?
b) What mass of iron will react with 500.L of steam at 250℃ and 1.00 atm of pressure?
c) If 285 g of Fe304(s) are formed, what volume of Hydrogen, measured at 20.℃ and 1.06 atm, is produced?
All stoichiometry and Ideal Gas Law questions.
A).
1. 6.28g Fe / 55.845 grams per mole Fe = moles Fe
2. x moles Fe x (4 moles H2 / 3 moles Fe) = moles of H2
3. V = nRT / P mol H2 x 0.0821 x 273 / 1 = vol. H2
B)
1. n = PV / RT (1 x 500) / (0.0821 x (250+273)) – moles H20
2. Stoich using similar to above
C)
Have your little sister use the above examples!
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