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What is combustion ?...

What is combustion ?

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The complete oxidation of a carbon compound leading to the formation of `CO_2` and `H_2O` is called combustion.
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Knowledge Check

  • In the combustion of 4g of CH_4, 2cdot 5 kcal of heat is liberated. The heat of combustion of CH_4 is

    A
    `0 cdot 1 kcal mol^(-1)`
    B
    `10 kcal mol^(-1)`
    C
    `1 cdot 0 kcal mol^(-1)`
    D
    `100 kcal mol^(-1)`

  • The heats of combustion of rhombic and monoclinic sulphur are respectively 70960 and 71030 calories. What will be the heat of conversion of rhombic sulphur to monoclinic?

    A
    70960 calories
    B
    71030 calories
    C
    - 70 calories
    D
    + 70 calories

  • The standard heat of combustion of solid boron is equal to

    A
    `Delta H_(f)^@ (B_2O_3)`
    B
    `1/2Delta H_(f)^@ (B_2O_3)`
    C
    `2Delta H_(f)^@ (B_2O_3)`
    D
    `-1/2Delta H_(f)^@ (B_2O_3)`

    • Similar Questions

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    Which is incorrect statement about heats of combustion ?

    Correct order of the heats of combustion of above compounds is:

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    The heat of combustion of solid benzoic acid at constant volume is - 321 cdot 30 k j mol^(-1) at 300 k. the heat of combustion at constant pressure is

    The combustion of benzene (l) gives CO_2(g) and H_2O(l) . Given that heat of combustion of benzene at constant volume is - 2363 cdot 9 k J mol^(-1) at 25^@C , heat of combustion (in kJ mol^(-1) ) of benzene at constant pressure will be (R= 8 cdot 314 Jk^(-1))

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