6. States of Matter : Gaseous and Liquid States MHT CET 2021

The unit of viscosity is

Which of the following is true for 2 moles of an ideal gas ?

Intermolecular forces in liquid are –

Interactive forces are ………. in ideal gas

At constant temperature the pressure of 22.4 dm³ volume of an ideal gas was increased from 105 kPa to 210 kPa, New volume could be

Which among the following gases can be liquified easily?

If average velocity of a sample of gas molecules at 300 K is 5 cm s^–1, what is RMS velocity of same sample of gas molecules at the same temperature ? (Given, α : u : v = 1 : 1.224 : 1.127)

Match the pairs of the following :
‘A’                                                                                              ‘B’
a. Boyle’s law                                                               i. at constant pressure and volume
b. Charles’ law                                                             ii. at constant temperature
iii. at constant pressure

5.5 mg of nitrogen gas dissolves in 180 g of water at 273 K and one atm pressure due to nitrogen gas. The mole fraction of nitrogen in 180 g of water at 5 atm nitrogen pressure is approximately

The statement that is NOT correct is

What is the ratio of kinetic energies of 3g of hydrogen and 4 gms of oxygen at T(K)?

What are the conditions under which the relation between volume (V) and number of moles (n) gas plotted? (P = pressure; T= temperature)

Temperature below which, the gas does not obey ideal gas laws is called

The molecular velocity of any gas is

For one mole of an ideal gas, increasing the temperature from 10°C to 20°C ______.

A syringe has a volume of 10.0 cm³ at pressure 1 atm. If you plug the end so that no gas can escape and push the plunger down, what must be the final volume to change the pressure to 3.5 atm?

The volume of a given mass of a gas at 0ºC is 2 dm³. Calculate the new volume of the gas at constant pressure when  The temperature is increased by 10ºC

A hot air balloon has a volume of 2800 m³ at 99º C. What is the volume if the air cools to 80º C?

At 0º C, a gas occupies 22.4 liters. How much hot must be the gas in celsius and in kelvin to reach volume of 25.0
liters?

A 20 L container holds 0.650 mol of He gas at 37º C at a pressure of 628.3 bar. What will be new pressure inside the container if the volume is reduced to 12 L. The temperature is increased to 177º C and 1.25 mol of additional He gas was added to it?

Nitrogen gas is filled in a container of volume 2.32 L at 32ºC and 4.7 atm pressure. Calculate the number of moles
of the gas

At 25 º C and 760 mm of Hg pressure a gas occupies 600 mL volume. What will be its pressure at the height where temperature is 10 º C and volume of the gas 640 mL ?

Calculate the pressure in atm of 1.0 mole of helium in a 2.0 dm³ container at 20.0ºC

Calculate the volume of 1 mole of a gas at exactly 20 º C at a pressure of 101.35 kPa.

Calculate the number of molecules of methane in 0.50 m³ of the gas at a pressure of 2.0×10² kPa and a temperature of exactly 300 K.