[" A balloon has "5.0" mole of helium at "7^(@)C" .Calculate."],[" (a) the number of atoms of the helium in the balloon."]

A balloon has 5.0 mole of helium at 7^(@)C . Calculate (a) the number of atoms of helium in the balloon. (b) the total internal energy of the system.

A balloon has 5.0 mole of helium at 7^(@)C . Calculate (a) the number of atoms of helium in the balloon. (b) the total internal energy of the system.

A balloon has 5.0 g mole of helium at 7^(@)C Calculate (a) the number of atoms of helium in the balloon, (b) the total internal energy of the system.

A ballon has 5.0 g mole of helium at 7^(@)C Calculate (a) the number of atoms of helium in the balloon, (b) the total internal energy of the system.

A ballon has 5.0 g mole of helium at 7^@C calculate the number of atoms of helium in the ballon.

A ballon has 5.0 g mole of helium at 7^@C calculate the total internal eneryg of the system.

Calculate the number of moles in 22g of helium.

Balloon has 5 mole of helium at 7^@C . The total internal energy of the system is

Calculate the mean KE of one mole of helium gas at 300 K.

A partially inflated balloon contains 500 m^3 of helium at 27^@ C and 1 atm pressure. What is the volume of the helium at an altitude of 18000 ft , where the pressure is 0.5 atm and the temperature is -3^@ C ?