How do I rewrite equations as ionic equations? Somebody help me pls?

Can you help me with these?

1) Zn + H2SO4 = ZnSO4 + H2
2) FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl
3) Ca + 2HCl = H2 + CaCl2
4) H2SO4 + 2NaOH = Na2SO4 + 2H2O
5) BaCl2 + H2SO4 = BaSO4 + 2HCl

Answer:
I'm not sure about this. I've done ionic equation but that was on precipitate. You have to write out the ions of the solid precipitate first and then balance the equation. Eg. the 2nd question's answer is this
1.) Fe3+ (aq) + 3OH- (aq) = Fe(OH)3 (s)

aq stands for aqueous solution and s stands for precipitate solid
i have no idea. i never studied any of that in school.
you have to balance each side?

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