Home
Class 11
CHEMISTRY
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

`8.314 xx 273 xx (-2)J`

B

`8.314 xx 300 xx (-2)J`

C

`-600R`

D

`8.314 xx 300 xx 2J`

Text Solution

Verified by Experts

The correct Answer is:
B, C
`Delta H - Delta U = - 2RT = (-2) xx 8.314 xx 300`
`= - 2 xx R xx 300`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE- II) (LEVEL- II (ADVANCED) LINKED COMPREHENSION TYPE QUESTIONS)|5 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE- II) (LEVEL- II (ADVANCED) MATRIX MATCHING TYPE QUESTIONS)|2 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE- II) (LEVEL- II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)|4 Videos

  • CHEMICAL THERMODYANMICS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|28 Videos

  • ELECTRON MIGRATION EFFECTS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

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)`

  • The value of Delt H and Delta S for the reaction, C _(("graphite")) + CO _(2 (g)) to 2 CO _((g)) are 170 kJ and 170 JK^(-1), respectively. This reaction will be spontaneous at

    A
    910 K
    B
    1110 K
    C
    510 K
    D
    710 K

    • Similar Questions

    Explore conceptually related problems

    Suggest a scheme of classification of the following redox reactions (a) N_(2) (g) + O_(2) (g) rarr 2 NO (g) (b) 2 Pb (NO_(3))_(2) (s) rarr 2 PbO (s) + 4 NO_(2) (g) + O_(2) (g) (c) NaH(s) + H_(2) O (l) rarr NaOH (aq) + H_(2) (g) (d) 2NO_(2) (g) + 2OH^(-) (aq) rarr NO_(2)^(-) (aq) + NO_(3)^(-) (aq) + H_(2) O (l)

    Balance the following equation by electron transfer method. NH_(3)(g) + O_(2)(g) rarr NO (g) + H_(2)O(l)

    Variation of K_(p) with temperature T is given by for the following cqulibrium 2NH_(3(g)) hArr N_(2(g)) + 3H_(2(g)) Thus, decomposition of NH_(3(g)) can be prevented by

    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))

    For the gas-phase reaction, 2NO hArr N_(2) + O_(2) : Delta H = -43.5 keal. Which one of the following is false for the reaction N_(2) (g) + O_(2) (g) hArr 2NO(g)

    Home
    Profile