Sepapro - Quiz 1

Chemical Engineering Society Council of Student Organizations De La Salle University – Manila

SEPAPRO QUIZ#1 REVIEWER

Questionnaire:................................ ............................

I. Multiple Choie (open handbook only for !s "#$% "& 't a give given n pres pressu sure re a li)u li)uid id *i+t *i+tur ure e of  benzene and toluene is in e)uilibriu* ,ith its vapour& -he available degree(s% of freedo* is (are%. a& zero b& " c& / d& 0 /&-h &-he te*perature of the solution in a batch1 batch1di2 di2er erent entia iall dis distil tillat lation ion proce process ss as distillation progresses at a constant pressure is a& 3ncreasing b& Decr ecreasing c& 4e*ai e*ain n cons consta tant nt d& 5one of these ese 0&-he relative volatility of ' ,ith respect to 6 in a *i+ture of ' and 6 is 01/& 7hat is the *ole fracti fraction on of 6 in the the 8rst 8rst drop droplet let of li)u li)uid id conden condensed sed fro* fro* an e)ui*o e)ui*olar lar satura saturated ted vapor *i+ture of ' and 69 a& :&0 b& :&; c& :&< d& :&= ;&'n e)ui*olar li)uid *i+ture of species " and / is in e)uilibriu* ,ith its vapour at ;::>& 't this te*perature the vapor pressures of the species " and / are "$: >?a and "/: >?a respectively& 'ssu*ing 4aoult!s la, is valid the value of the *ole fraction of species " in the vapor phase is a& :&< b& :&= c& :&@ d& :&$