Explain quantitatively the order of magnitude differnece between the diamagnetic susceptibility of `N_2 (~5 xx 10^-9)(at STP) Cu(~10^-5)`.

simplify: frac(3^5 xx 10^5 xx 25)(5^7 xx 6^5)

Calculate the half life period of a first order reaction whose specific rate constant is 5.5 xx 10^(-14) s

Find: 0.5xx10

Calculate the force of gravitation between the earth and the sun, given the mass of earth = 6xx 10^24 kg and of the sun = 2 xx10^30 kg . Average distance between the two is 1.5xx 10^10m .

The decomposition of NH3 on platinum surface is zero order reaction. What are the rates of production of N_2 and H_2 if k = 2.5 xx 10^(-4) mol L^(-1) s^(-1) ?

Which of the following cannot be resiultant of the vector of magnitude 5 and 10?

The susceptibility of magnesium at 300 K is 1.2 xx 10^-5 , At what temperature will the susceptibility equal to 1.44 xx 10^-5 ?