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What are the limitations of chemical …

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What are the limitations of chemical equation explain

    • Posted by Vikas Jaiswal 5 years, 2 months ago

    CBSE > Class 10 > Science
    • 1 answers

    Gaurav Seth 5 years, 2 months ago

     

    A chemical equation has its own limitations. They do not provide information about: 

    1. The physical state of reactants and products Hence, the symbols ‘s’ for solid, ‘l’ for liquid, ‘g’ for gas and ‘vap’ for vapour are added. 
    2. Conditions such as temperature, pressure and catalyst affecting the reaction 
    3. Concentration of reactants and products Hence, in some cases, for dilute ‘dil.’ and for concentrated ‘conc.’ are added. 
    4. The nature of the chemical reaction; whether it is reversible or irreversible reaction. 
    5. Speed of the reaction 
    6. Heat changes accompanying the reaction; whether heat is given out or absorbed 
    7. Time taken for completion of the reaction A reaction may or may not be complete, and the equation does not reveal it.

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