Density of silver is `10.8 g/cm^3` with molar mass 107.8 g/mol and edge length `4.05xx10^(-8)` cm. Find the no of silver a toms in each unit cell.

An element with molar mass 27/mol forms cubic unit cell with edge length 405 pm. If density is given 2.7 g/cm^3 find the type of cubic unit cell it forms. We try to find the no. of atoms in each unit cell.

Sikver crystallizes in fcc structure with edge length of unit cell, 4.07 xx 10^(-8) cm and if density of metallic silver is 10.5g cm^(-3) . Calculate the molecular mass of silver.

The density of iron is 8.54 (g(cm^-3)) . Edge length is 2.8 no and atomic mass 56 (g (mol))^-1 . Find on of atoms in unit cell.

A spherical drop of oil falls at a constant speed of 4 cm//s in steady air. Calculate the radius of the drop. The density of the oil is 0.9 g//cm^3 , density of air is 1.0 g//cm^3 and the coefficient of viscosity of air is 1.8 xx 10^-4poise , ( g = 980 cm//s^2 )

A body has mass 200 g and volume 100 cm^3 . Find its density and relative density.

Sodium metal crystalizes in bcc structure with the edge length of unit cell 4.29xx10^(-8) cm. Calculate the radius of sodium atom.

An atom crystallises in fcc crystal lattice and has a density of 10 g cm^(-3) with unit cell edge length of 100 pm. Calculate number of atoms present in 1 g of crystal.

In orthorhombic crystal system, the value of a, b and c are respectively 4.2 Å , 8.6 Å and 8.3 Å . The molecular mass of the solute is 155 g mol^(-1) and density is 3.3 g/cc , the number of formula units per unit cell is ______.

A vertical U-tube of uniform inner cross section contains mercury in both sides of its arms. A glycerin (density =1.3 g//cm ^(3)) column of length 10 cm is introduced into one of its arms. Oil of density 0.8 gm //cm^(3) is poured into the other arm until the upper surfaces of the oil and glycerin are in the same horizontal level. Find the length of the same horizontal level. Find the length of the oil column, Density of mercury =13.6 g//cm^(3)