Express the constant `k( = 10^(-13) s^2 m^(-3))` in days and kilometres.

Calculate the momentum of electrons, if their wavlength is 3 overset @A . Given that Plank.s constant , h=6.626 xx 10^(-34) Js, mass of electron, m=9.1xx10^(-31) kg.

Identify the reaction order from each of the following rate constants. k = 2.3 xx 10^(-5) L mol^(-1) s^(-1)

Identify the reaction order of the following rate constants. k= 2.3xx10^-5 L mol^(-1) s^(-1) .

Listed in the table are forward and reverse rate constants for the reaction 2NO(g)hArrN_(2)(g)+O_(2)(g) {:(,Temperature(K),k_(f)(M^(-1)s^(-1)),k_(b)(M^(-1)s^(-1))),(,1400,0.29,1.1xx10^(-6)),(,1500,1.3,1.4xx10^(-5)):} Select the correct statement: a) Reaction is exothermic and value of eqilibrium constatnt (K_(eq)) at 1400 K is 3.79xx10^(-6) b) Reaction is endothermic and value of k_(eq) 1400 K is 2.63xx10^(5) c) Reaction is exothermic and value of k_(eq) 1400 K is 2.63xx10^(5) d) Reaction is endothermic and value of k_(eq) 1500 K is 9.28xx10^(4)

For the decomposition of ethyl iodide : C_2H_5I rarr C_2H_4+ HI the rate constants are 1.60xx10^-5 s^-1 and 6.36xx10^-3 at 600K and 700K respectively. Calculate the activation energy for the reaction .

The dissociation constant of a weak acid is 1.6xx10^(-5) and the molar conductivity at infinite dilution is 380xx10^(-4) S m^2mol^(-1) . If the cell constant is 0.01 m^(-1) then conductace of 0.01M acid solution is :

The reaction A(g)toB(g)+2C(g) is a first order reaction with rate constant 2.772xx10^(-3)s^(-1) , Starting with 0.1 mole of A in 2 litre vessel, find the concentration of A after 250 sec when the reaction is allowed to take place at constant pressure and at 300 K? a) 0.0125 M b) 0.025 M c) 0.05 M d) none of these

Given that K_(w) for water is 10^(-13) M^(2) at 62^(@) C, compute the sum of pOH and pH for a neutral aqueous solution at 62^(@) C: