The pair in which `1^(st )` atom has more EA than `2^(nd)` atom is.
1) `O(g),S(g)`
2) `F(g),Cl(g)`
3) `P(g),N(g)`
4) `I(g),Br(g)`

Consider the following reaction at equilibrium and determine which of the indicated changes will cause the reaction to proceed to right. (1) CO(g)+3H_(2)(g)hArrCH_(4)(g)+H_(2)O(g) (add" "CH_(4)) (2) N_(2)(g)+3H_(2)(g)hArr2NH_(3)(g) ("remove" NH_(3)) (3) H_(2)(g)+F_(2)(g)hArr2HF(g) (addF_(2)) (4) BaO(s)+SO_(3)(g)hArrBASO_(4)(s) (add BaO)

For the first order reaction 2N_(2)O_(5)(g) rarr 4NO_(2)(g) + O_(2)(g)

Which has more number of atoms? 100g of N_(2) or 100g of NH_(3)

Determine K_(c ) for the reaction (1)/(2)N_(2)(g)+(1)/(2)O_(2)(g)+(1)/(2)Br_(2)(g)hArrNOBr(g) from the following data at 298 K . The equilibrium constants for the following reaction 2NO(g)hArrN_(2)(g)+O_(2)(g) and NO(g)+(1)/(2)Br_(2)(g)hArrNOBr(g) are 2.4xx10^(30) and 1.4 , respectively.

K_(1) and K_(2) are equilibrium constants for reaction (i) and (ii) N_(2)(g)+O_(2)(g) hArr 2NO(g) …(i) NO(g) hArr 1//2 N_(2)(g)+1//2O_(2)(g) …(ii) then,

K_(1) and K_(2) are equilibrium constants for reaction (i) and (ii) N_(2)(g)+O_(2)(g) hArr 2NO(g) …(i) NO(g) hArr 1//2 N_(2)(g)+1//2O_(2)(g) …(ii) then,

Determine which of the following reactions at constant pressure represent surrounding that do work on the system environment : (P) 4NH_(3)(g) + 7O_(2)(g) to 4 NO_(2) (g) + 6H_(2)O(g) (Q) CO(g)+ 2H_(2)(g) to CH_(3)OH(l) (R) C("s,graphite")+H_(2)O(g) to CO(g)+H_(2)(g) (S) H_(2)O(s) to H_(2)O(l)

If f(x)=x^(2) and g(x)=2x , then evaluate, (i) (f+g)(3)" "(ii) (f-g)(2) (iii) (f*g)(1)" "(iv) ((f)/(g))(5)

Which of the following reactions will get affected by increasing the pressure? Also, mention whether change will cause the reaction the reaction to go into forward of backward direction. a. COCl_(2)(g) hArr CO(g)+Cl_(2)(g) b. CH_(4)(g)+2S_(2)(g) hArr CS_(2)(g)+2H_(2)S(g) c. CO_(2)(g)+C(s) hArr 2CO(g) d. 2H_(2)(g)+CO(g) hArr CH_(3)OH(g) e. CaCO_(3)(s) hArr CaO(s)+CO_(2)(g) f. 4NH_(3)(g)+5O_(2)(g) hArr 4NO(g)+6H_(2)O(g)

For the reaction CO(g)+(1)/(2) O_(2)(g) hArr CO_(2)(g),K_(p)//K_(c) is