For the reaction, `2NOrarrN_(2)+O_(2)`, the expression `-(1)/(2)(d[NO])/(dt)` represents:

For the reaction 2HItoH_(2)+I_(2) the expression -1/2(d[HI])/(dt) represents

For the reaction: 2HIrarr H_(2)+I_(2) , the expresison -d(HI)//2dt represents

For the reaction: 2HIrarr H_(2)+I_(2) , the expresison -d(HI)//2dt represents

For the reaction, 2NO_(2)rightarrow2NO+O_(2) ,rate is expressed as : (a) -(1)/(2)(d[NO_(2)])/(dt)=(1)/(2)(d[NO])/(dt)=(d[O_(2)])/(dt) (b) -(1)/(2)(d[NO_(2)])/(dt)=-(1)/(2)(d[NO])/(dt)=(d[O_(2)])/(dt) (c) -(2d[NO_(2)])/(dt)=(2d[NO])/(dt)=(d[O_(2)])/(dt) (d) -(d[NO_(2)])/(dt)=(d[NO])/(dt)=(d[O_(2)])/(dt)

For the reaction A+2BrarrC+D,(d[A])/(dt)k=[A][B]^(2) the expression for (d[B])/(dt) will be :

For the reaction, 2NO(g)+2H_(2)(g)rarrN_(2)(g)+2H_(2)O(g) the rate expression can be written in the following ways : {(d[N_(2)])/(dt)}=k_(1)[NO][H_(2)], {(d(H_(2)O))/(dt)}=k[NO][H_(2)], {(d[NO])/(dt)}=k_(1)'[NO][H_(2)], {(d[H_(2)])/(dt)}=k_(1)''[NO][H_(2)]. The relationship between k,k_(1),k_(1)' and k_(1)''

For the reaction 2N_(2)O_(5)rarr4NO_(2)+O_(2) the rate equation can be express as (d[N_(2)O_(5)])/(dt)=k[N_(2)O_(5) and (d[NO_(2)])/(dt)=k'[N_(2)O_(5)] k and k' are related as

For the reaction : 2N_(2)O_(5) rarr 4NO_(2) +O_(2) , the rate of reaction in terms of O_(2) is d[O_(2)] /dt. In terms of N_(2)O_(5) , it will be :