question

Asked by sweetynam | 17th Feb, 2009, 11:11: PM

Expert Answer:

1)we can easily know the states of reactants and products .

2)we can know about the exo or endo thermic reaction.

3 we can know about the no of noles of reacants and products

by writing  chemical equation for the presentation of a chem reaction.

Answered by  | 18th Feb, 2009, 03:10: PM

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