(i) ` NH_(3) (excess) + cl_(2) rarr ….....+….......`
(ii) ` NH_(3) + Cl_(2) (excess) rarr …...............`
(iii) ` AgCl + NH_(4)OH rarr …..........`
(iv) ` Ag(NH_(3))_(2) + Cl + HNO_(3) rarr …..........`
(v) `Ca_(3)(PO_(4))_(2) + SiO_(2) + C rarr CaSiO_(3) + CO + ..........`

Explanation

To complete the reactions given in the question, we will analyze each reaction step by step and provide the balanced equations.

### Step-by-Step Solution:

**(i) Reaction of NH₃ (excess) with Cl₂:**
1. **Reactants:** Ammonia (NH₃) in excess and chlorine gas (Cl₂).
2. **Products:** The reaction leads to the formation of nitrogen gas (N₂) and hydrochloric acid (HCl).
3. **Balanced Equation:**
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