Balance the following chemical equation :
`Fe+H_(2)O to Fe_(3)O_(4)+H_(2)`

a) List any three observation that determine that a chemical reaction has taken place. Also list three in formation that cannot be obtained about a chemical reaction merely by its chemical equation. b) Balance the following chemical equations i) Fe+H_(2)O to Fe_(3)O_(4) +H_(2) ii) CO_(2)+H_(2)O to C_(6)H_(12)O_(6) +O_(2) OR a) Explain the following in terms of gain or lose of oxygen with two examples each. i) Oxidation ii) reduction. b) Balance the following chemical equations. 1) HNO_(3)+Ca(OH)_(2) to Ca(NO_(3))_(2)+H_(2)O ii) NaOH + H_(2)SO_(4) to Na_(2)SO_(4) + H_(2)O

(i) State the law which is followed in balancing a chemical equation . (ii) Balance the following chemical equation: Fe+H_(2)Orarr Fe_(3)O_(4)+H_(2)

(a) List any three observations which determine that a chemical reaction has taken place . Also list three informations that cannot be obtained about a chemical reaction, merely by its chemical equation. (b) Balance the following chemical equations. (i) Fe+H_(2)OrarrFe_(3)O_(4)+H_(2) (ii) CO_(2)+H_(2)O rarr C_(6)H_(12)O_(6)+O_(2)

Balance the following chemical equation FeCl_(2)+H_(2)S to FeS+HCl

Balance the following chemical equations : NH_(3)+CuO to Cu+N_(2)+H_(2)O

Balanced the following chemical equations : NaOH+H_(2)SO_(4)toNa_(2)SO_(4)+H_(2)O .

Balance the following chemical equation P_(4)+O_(2)toP_(2)O_(5)

Balance the following chemical equation Zn+HCl to ZnCl_(2)+H_(2)