A certain gas has a molecular weight of 30.0, a critical temperature of 310 K, and a critical pressure of 4.5 MPa. Calculate the density in kg / m 3 kg/m3 of this gas at 465 K and 9.0 MPa (a) if the gas is ideal and (b) if the gas obeys the law of corresponding states

Explanation:

(a)  We know that,

or,           P =

                  =

                  = 69.8  

Hence, if the gas is ideal then its density is 69.8 .

(b)   It is known that,

                       =

                       = 1.5

                     =

                     = 2

Expression for the compressibility factor is as follows.

             Z =

                 = 0.84

  and,       P =

                    =

                    = 83.095

Therefore, if the gas obeys the law of corresponding states then its density is 83.095 .

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.