Long Answer TypeExplain the following terms with examples:
1. Skeleton equation
2. Balanced equation
3. Thermochemical equation.
Short Answer TypeWhat do you mean by 'balancing a chemical equation'? On what principle the balancing of a chemical equation is based?
Long Answer Type
Magnesium hydroxide + Ammonia
Balance the given skeletion equation 
by partial equation method.
It involves the following steps:
(i) Nitric acid decomposes to liberate nascent oxygen.
...(1)
(ii) Nascent oxygen reacts with phosphorus to form phosphorus pentoxide.
...(2)
(iii) 
dissolves in water to form phosphoric acid.
...(3)
Balancing the partial equations by hit and trial methods,
...(5)
...
(6)
Multiplying the partial equations (4) and (6) by 10 and 2 respectively and adding all the three equations, we have,
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