Given that mass of an atom of helium gas is `6.68 xx 10^(-27) kg`. Calculate Avogadro's number. Molecular weight of He = 4.

(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.

(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.

Weight of one atom an element is 6.44 xx 10^(23) g . Calculate g atom of elements in 40 kg .

Weight of one atom an element is 6.44 xx 10^(23) g . Calculate g atom of elements in 40 kg .

Weight of one atom an element is 6.44 xx 10^(23) g . Calculate g atom of elements in 40 kg .

Calculate the number of atoms in 52 g of Helium (He)

Avogadro number of helium atoms have a mass of