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Hess' Law

Complete the ...

Question

Complete the following reaction. Mg+__=Mgo Mgo+H20=_ Zn+Hcl=Zhcl2+ Cu+O2+Co2+H2o=_ Fe+O2+H2o= So3+H2o= S+=So2

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Solution

2Mg + O₂ = 2MgO

MgO + H₂O = Mg(OH)₂

Zn + 2HCl = ZnCl₂ + H₂

2Cu + O₂+ CO₂ + H₂O = CuCO₃.Cu(OH)₂

4Fe + 3O₂ + 2H₂O = 2Fe₂O₃.H₂O

SO₃ + H₂O = H₂SO₄

S + O₂ = SO₂

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Similar questions

M n O_{2} + H C l \to M n C l_{2} + C l_{2} + H_{2} O

N H_{4} C l + C a (O H)_{2} \to N H_{3} + C a C l_{2} + H_{2} O

B a C l_{2} + A l_{2} (S O_{4})_{3} \to B a S O_{4} + A l C l_{3}

N a A l O_{2} + H_{2} O + C O_{2} \to A l H_{3} + N a_{2} C O_{3}

N H_{3} + O_{2} \to N O + H_{2} O

Z n + H N O_{3} \to Z n (N O_{3})_{2} + N O_{2} + H_{2} O

H_{2} S + O_{2} \to H_{2} O + S O_{2}

P b O + C \to P b + C O_{2}

B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} + H C l

C H_{4} + O_{2} \to C O_{2} + H_{2} O

C u + H_{2} S O_{4} \to C u S O_{4} + {S O}_{2} ↑ + H_{2} O

F e + H_{2} O \to {F e}_{3} O_{4} + H_{2} ↑

{C H}_{4} + O_{2} \to C O_{2} + H_{2} O

C u + H_{2} {S O}_{4} - \to C u S O_{4} + {S O}_{2} ↑ + H_{2} O

F e + + H_{2} O - \to {F e}_{3} O_{4} + H_{2} ↑

{C H}_{4} + O_{2} \to C O_{2} + H_{2} O

Complete and balance the following reactions.

(a) $N a + H_{2} O \to$ _________ + _________

(b) $C a + H_{2} O \to$ __________+_________

(d) $Z n + H_{2} O \to$ ___________+_________

(e) $F e + H_{2} O \to$ ____________+_________

(f) $Z n + H C l \to$ _____________+__________

(g) $A l + H_{2} S O_{4} \to$ __________+_________

(h) $F e + H C l \to$ ___________+____________

(i) $Z n + N a O H \to$ __________+____________

(j) $A l + K O H + H_{2} O$ _________+____________

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