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Why is respiration considered an exother...

Why is respiration considered an exothermic reaction? Explain.

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Respiration is considered as an exothermic reaction because in respiration oxidation of glucose takes place which produces large amount of heat energy. `C_(6)H_(12)O_(6)(aq)+6O_(2)(g)rarr6CO_(2)(g) + 6H_(2)O(l)+` Energy.
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Knowledge Check

  • In exothermic reaction

    A
    Heat absorbed is given negative sign
    B
    Change in enthalpy is given positive sign
    C
    Heat evolved is given positive sign
    D
    None of these.

  • In exothermic reaction

    A
    `H_(R)= H_(P)`
    B
    `H_(R) gt H_(P)`
    C
    `H_(R) lt H_(P)`
    D
    `Delta H=0`

  • For an exothermic reaction

    A
    `H_p` of the products is less than `H_r` of the reactants
    B
    `H_p` of the products is more than `H_r` of the reactants
    C
    `H_p` of the products is equal to `H_r` of the reactants
    D
    `triangleH` is always positive

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