Physical Chemistry Virial Pressure

a) What is the virial pressure of 0.693 moles of O2S gas at 350K in a 1000 cm3 container, given B = -7 cm3mol1-? atm (Report to 2 significant figures.)

b) The sign of the virial coefficient indicates ________ are present under these conditions.
1) repulsions
2)attractions

c)If the temperature of this ga…