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The value of Delta H - Delta U for the f...

The value of `Delta H - Delta U` for the following reaction at `27^(@)C` will be : `N_(2(g)) + 3H_(2(g)) rarr 2NH_(3(g))`

A

910 K

B

1110 K

C

510 K

D

710 K

Text Solution

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The correct Answer is:
B
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Find out the value of equilibrium constant for the following reaction at 298 K. 2NH_3 (g) +CO_2 (g) Leftrightarrow NH_2 CONH_2 (aq)+H_(2)O(l) Standard Glbbs energy change, triangle_r G^@ at the given temperature is -13.6 Kj mol^(-1) .

Derive the relation between K, and K for the equilibrium reaction N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g)

Knowledge Check

  • The following two reactions are known Fe_(2) O _(3 (s)) + 3 CO _((g )) to 2 Fe _((s)) +3 CO _(2 (g)) , Delta H =- 26.8 kJ//mol FeO _((s)) + CO _((g)) to Fe _((s)) +CO _(2 (g)), Delta H =- 16.5 kJ//mol The value of Delta H for the following reaction Fe _(2) O _(3 (s)) + CO _((g)) to 2 Feo_((s)) + CO _(2 (g)) is

    A
    `+10.3kJ//mol`
    B
    `-43.3 kJ//mol`
    C
    `-10.3 kJ//mol`
    D
    `+6.2kJ//mol`

  • Which one of the following equations is correct for the reaction N_(2)(g) + 3H_(2)(g) to 2NH_(3)(g) ?

    A
    `3(d[NH_(3)])/(dt)=2(d[H_(2)])/(dt)`
    B
    `2(d[NH_(3)])/(dt)=3(d[H_(2)])/(dt)`
    C
    `3(d[NH_(3)])/(dt)=-2(d[H_(2)])/(dt)`
    D
    `3(d[NH_(3)])/(dt)=-2(d[H_(2)])/(dt)`

  • Which of the indicated relationship is correct for the following exothermic reaction carried out at constant pressure? CO_((g)) + 3H_(2(g)) rarr CH_(4(g)) + H_(2)O_((g))

    A
    `Delta E = Delta H`
    B
    `Delta E gt Delta H`
    C
    `W lt 0`
    D
    `q gt 0`

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