Home
Class 12
CHEMISTRY
C+ZnO rarr Zn+CO,"at 1273 K," Delta(f)G(...

`C+ZnO rarr Zn+CO,"at 1273 K," Delta_(f)G_("(C,CO)")^(@)="360kJ.mol"^(-1),Delta_(f)G_("(Zn, ZnO)")^(@)" is "-"460kJ.mol"^(-1)`

Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 6|10 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise ADDITIONAL QUESTION (Write the reactions involved in)|4 Videos

  • EQUILIBRIUM

    CHHAYA PUBLICATION|Exercise PRACTICE TEST 7|14 Videos

  • HALOAKANES AND HALOARENES

    CHHAYA PUBLICATION|Exercise Practise set 10 (Answer the following questions)|10 Videos

Similar Questions

Explore conceptually related problems

Predict whether the reaction is feasible or not Al_(2)O_(3)+2Cr rarr Cr_(2)O_(3)+2Al," at 1773K, " Delta_(f)G_(("Al,Al"_(2))O_(3))^(@)=-"900kJ. Mol"^(-1) and Delta_(f)G_(("Cr, Cr"_(2)O_(3)))^(@)=-"500kJ.mol"^(-1)

Calculate Delta_(r)G^(@) of the following reaction: Ag^(+)(aq)+Cl^(-)(aq)rarr AgCl(s) Given: Delta_(r)G^(@)(AgCl)=-"109kJ.mol"^(-1) , Delta_(r)G^(@)(Cl^(-))=-"129kJ.mol"^(-1), Delta_(r)G^(@)(Ag^(+))="77.kJ.mol"^(-1) . Represent the reaction in the form of E^(@) of the cell. Find log_(10)K_(sp)" of "AgCl .

Determine the standard enthalpy of formation of isoprene(g) at 298K temperature. Given: at 298K, DeltaH^(0)(C-H)=413kJ*mol^(-1) DeltaH^(0)(H-H)=436kJ*mol^(-1) DeltaH^(0)(C-C)=346kJ*mol^(-1) , DeltaH^(0)(C=C)=611kJ*mol^(-1) , C("graphite, s")toC("graphite, g"), DeltaH^(0)=717kJ*mol^(-1)

In the given reaction, calculate standard free energy change at 25^(@)C:2NO(g)+O_(2)(g)to 2NO_(2)(g) . Is the reaction spontaneous under standard conditios? [Given: At 25^(@)C,DeltaG_(f)^(0)[NO(g)]=88.57kJ*mol^(-1) and DeltaG_(f)^(0)[NO_(2)(g)]=51.30kJ*mol^(-1) .

At 1273 K, the Delta_(f)G^(@) of MgO(s) and CO(g) and -941 and -"439 kJ.mol"^(-1). But at 2273 K, the Delta_(f)G^(@) of MgO(s) and CO(g) are -314 and -"628kJ.mol"^(-1) . On the basis of the given values of Delta_(f)G^(@) , predict the temperature at which carbon is used as a reducing agent for MgO(s).

The value of (Delta_(f)G^(@)) for formation of Cr_(2)O_(3) is -"540kJ.mol"^(-1) and that of Al_(2)O_(3) is -"827kJ.mol"^(-1) . Is the reduction of Cr_(2)O_(3) possible with Al?

Calculate enthalpy change on freezing 1 mol water at 10^(@)C to ice at -10^(@)C. Delta_("fus")H= 6.03 " kJ mol"^(-1) " at " 0^(@)C . C_(p)[H_(2)O(l)]= 75.3 " J. mol"^(-1). K^(-1) , C_(p)[H_(2)O(s)]= 36.8 " J mol"^(-1). K^(-1) .

Calculate the standard enthalpy of formation of CH_(3)OH(l) from the following data: (1) CH_(3)OH(l)+(3)/(2)O_(2)(g)toCO_(2)(g)+2H_(2)O(l),Delta_(r)H^(0)=-726kJ*mol^(-1) (2) C(s)+O_(2)(g) to CO_(2)(g),Delta_(c)H^(0)=-393kJ*mol^(-1) (3) H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l),Delta_(f)H^(0)=-286kJ*mol^(-1) .

Calculate standard enthalpy for the reaction at 298K: C_(2)H_(5)Cl(g)toC_(2)H_(4)(g)+HC l(g) . Given: DeltaH^(0)(C-H)=413kJ*mol^(-1),DeltaH^(0)(C-C)=346kJ*mol^(-1) , DeltaH^(0)(C=C)=611kJ*mol^(-1),DeltaH^(0)(C-Cl)=339kJ*mol^(-1) , DeltaH^(0)(H-Cl)=432kJ*mol^(-1) .