States of Matter

If the potential energy between two molecules in given by U = A/r¹² - B/r? then at equilibrium, separation between molecules, and the potential energy are:

In a solid AB, A atoms are in ccp arrangement and B atoms occupy all octahedral sites. If two atoms from the opposite face are removed, then the resultant stoichiometry of the compound is A_xB_y. The value of x is ___________(nearest integer)

Geraniol, a volatile organic compound, is a component of rose oil. The density of the vapour is 0.46 gL^-1 at 257°C and 100 mm Hg. The molar mass of geraniol is___________ g mol^-1 (Nearest Integer).

[Given R = 0.082 L atm K^-1 mol^-1]

The wavelength of an electron and a neutron will become equal when the velocity of the electron is x times the velocity of neutron. The value of x is ___________. (Nearest Integer)

(Mass of electron is 9.1 * 10^-31kg and mass of neutron is 1.6 * 10^-27kg)

A mixture of hydrogen and oxygen contains 40% hydrogen by mass when the pressure is 2.2 bar. The partial pressure of hydrogen is __________ bar. (Nearest Integer)

A 10g mixture of hydrogen and helium is contained in a vessel of capacity 0.0125 m³ at 6 bar ansd $27°$ C. The mass of helium in the mixture is__________g. (nearest integer)

The minimum uncertainty in the speed of an electron in an one dimensional region of length 2a₀ (Where a₀ = Bohr radius 52.9 pm) is__________ km s^-1.

(Given: Mass of electron = 9.1 * 10^-31 kg, Planck's constant h = 6.63 * 10^-34 Js)

Which amongst the given plots is the correct plot for pressure (p) vs density (d) for an ideal gas?

vkyujvjhvhjbkjnkjoikckcjkancaSNclkAScnlkaScAS

5.42.  State and explain Dalton's law of partial pressures. Can we apply Dalton's law of partial pressures to a mixture of carbon monoxide and oxygen?