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C(s)("graphite") rarr C(g), DeltaH = 716...

`C(s)("graphite") rarr C(g), DeltaH = 716.7 kJ`
`DeltaH` is the heat of ……………….of graphite.

Text Solution

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(a) Sublimation
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C(s)("diamond") rarr C(g), DeltaH =- 714.8 kJ DeltaH is the heat of …………….of diamond.

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Knowledge Check

  • Given that C_("(graphite)") rarr C_((g)), DeltaH=+716.7 kJ . C_("(diamond)") rarr C(g), DeltaH=714.8 kJ . The DeltaH for the following reaction is C_("(graphite)") rarr C_("(diamond)")

    A
    1.9 kJ
    B
    `-1.9 kJ`
    C
    Zero
    D
    714.8 kJ

  • The enthyalpy change for the process C_("(graphite)") rarr C_((g)), DeltaH= + x kJ represents enthalpy of

    A
    Fusion
    B
    Sublimation
    C
    Combustion
    D
    Vapourisation

  • Given : C("diamond")+O_(2)rarrCO_(2),DeltaH=-395 kJ C("graphite")+O_(2)rarrCO_(2),DeltaH=-393 kJ The enthalpy of formation of diamond from graphite is

    A
    `+ 2.0 kJ`
    B
    `-1.5 kJ`
    C
    `-788 kJ`
    D
    788 kJ

    • Similar Questions

    Explore conceptually related problems

    H_(2)O(g) rarr H_(2)O(l), DeltaH =- 40.7 kJ DeltaH is the heat of……………….of water.

    H_(2)O(s) rarr H_(2)O(l), DeltaH = 6.01 kJ DeltaH is the heat of …………………of ice.

    H_(2)O(l) rarr H_(2)O(s), DeltaH =- 6.01 kJ DeltaH is the heat of ……………….of water.

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