((2.644)^(2)-(2.356)^(2))/(0.288)

[(?)^(2)+(18)^(2)]-:125=3.56(a)11(b)12(c)14(d)15(e) None of these

{:(12,13,16),(3,5,6),(8,8,?),(288,520,384):}

Find the foci, vertices and length of major and minor axis of the conic 4x^(2) + 36y^(2) + 40 x - 288y + 532 =0 .

The voltage of the cell Pb(s)|PbSO_(4)(s)|NaHSO_(4)(0.600M)||Pb^(2+)(2.50 xx 10^(-5)M)|Pb(s) is E = +0.061V . Calculate K_(2) = [H^(+)] [SO_(4)^(2-)]//[HSO_(4)^(-)] the dissociation constant for HSO_(4)^(-) . Given Pb(s) +SO_(4)^(2-) rarr PbSO_(4) +2e^(-) (E^(@) = 0.356V),E^(@) (Pb^(2+)//Pb) =- 0.126V .

The voltage of the cell Pb(s)|PbSO_(4)(s)|NaHSO_(4)(0.600M)||Pb^(2+)(2.50 xx 10^(-5)M)|Pb(s) is E = +0.061V . Calculate K_(2) = [H^(+)] [SO_(4)^(2-)]//[HSO_(4)^(-)] the dissociation constant for HSO_(4)^(-) . Given Pb(s) +SO_(4)^(2-) rarr PbSO_(4) +2e^(-) (E^(@) = 0.356V),E^(@) (Pb^(2+)//Pb) =- 0.126V .

Answer the following questions: Identify the electronic configuration of the inert gas elements, third row elements,seventeen group elements,second group elements: (2,8,2) (2,8,8) (2,8,1) (2,7) (2,2) (2,8) ( 2,8,7)