Among the following gases, for how many gases, the compressibility factor is greater than unity at any pressure. H_2, He, SO_2, CO_2, CH_4, N_2, C_2H_6 O_2

Among the following gases, for how many gases, the compressibility fac

1.	Among the following gases, for how many gases, the compressibility factor is greater than unity at any pressure. H_2, He, SO_2, CO_2, CH_4, N_2, C_2H_6 O_2
Answer» SOLUTION :`H_2 , He , Z > 1`.