[" If "X_((g))^(-)rarr X_((g))^(+2)+3e^(-)Delta H_(1)=900kJ],[X_((g))rarr H_((g))^(2+)Delta H_(2)=650Kj],[" Then find "Delta H_(eg)" of "X]

If {:(X(g)^(-) rarr X(g)^(2) +3e^(-),DeltaH_(1)= 900 kJ),(X(g) rarr X(g)^(2+),DeltaH_(2)=650kJ):} Then find DeltaH_(eg) of X.

H_(2(g)) rarr 2H_((g)) , DeltaH = 400 KJ , then DeltaS_("system") at 2000 K is

H_(2)O_((g)) rarr H_((g))+OH_((g))Delta H = x_(1) OH_((g)) rarr H_((g))+O_((g))Delta H = x_(2) Based on the these value, BE of O-H bond is

For the process X_((g)) + e^(-) rarr X_((g))^(-), Delta H =x and X_(g)^(-) rarr X_(g) + e^(-) , Delta H = y Select correct alternat :

Given C_((s)) + O_(2(g)) rarr CO_(2(g)), Delta H = -395 kJ , S_((g)) + O_(2(g)) rarr SO_(2(g)) , Delta H = -295 kJ , CS_(2(l)) + 3O_(2(g)) rarr CO_(2(g)) + 2SO_(2(g)) , Delta H = -1110 kJ The heat of formation of CS_(2(l)) is

Given C_((s)) + O_(2(g)) rarr CO_(2(g)), Delta H = -395 kJ , S_((g)) + O_(2(g)) rarr SO_(2(g)) , Delta H = -295 kJ , CS_(2(l)) + 3O_(2(g)) rarr CO_(2(g)) + 2SO_(2(g)) , Delta H = -1110 kJ The heat of formation of CS_(2(l)) is

Given the following equations and values, determine the enthalpy of reaction at 298 K for reaction: C_(2)H_(4)(g) + 6F_(2)(g) rarr 2CF_(4)(g) + 4HF(g) H_(2)(g) + F_(2)(g) rarr 2HF(g) " "Delta H_(1)^(@) = -537 kJ C(s) + 2F_(2)(g) rarr CF_(4)(g) " "DeltaH_(2)^(@) = -680 kJ 2C(s) + 2H_(2)(g) rarr C_(2)H_(4)(g) " "Delta H_(3)^(@) =52 kJ

Given : (i) NH_(3) (g) + 3Cl_(2)(g) rarr NCl_(3)(g)+3HCl(g) , Delta H_(1) (ii) N_(2)(g) + 3H_(2)(g) rarr 2NH_(3)(g) , Delta H_(2) (iii) H_(2)(g)+Cl_(2)(g) rarr2HCl(g) , Delta H_(3) Express the enthalpy of formation of NCl_(3)(g)(Delta H_(f)) in terms of DeltaH_(1), Delta H_(2) and Delta H_(3) :