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(a) Calculate (i) root-mean-square speed...

(a) Calculate (i) root-mean-square speed and (ii) the mean energy of 1 mol of hyderogen at STP given that density of hydrogen is `0.09 kg//m^(3)`. (b) Given that the mass of a molecule of hydergen is `3.34 xx 10^(-27)` kg, calculate Avogadro's number. (c ) Calculate Boltmann's constant.

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