1 harc
A=B+C
B+C2H5Cl=D+A
D+C2H5Cl=E+A
B+TiCl4=F+A
B+C2H4Cl2=G+A
B+NO2=NO+L Gtnek A,B,C,D,E,F,
G,L nyuter@ ete A nyut@ covi jrin dar@ ham e talis, B,C,F nyuter@ parz nyuter en, 1 ev 4 reakcianer@ @tanum en bardzr jermastichanum, 2 reakcian @mtanum e dietileteri mijavayrum. Reakcianeri gorcakicner@ texadrvac chen.
Harc 2
1.16 gram A parz nyut@ poxazdel e 3.89844 gram B nyuti het. Stacvel d C nyut@ vr@ taqacnelis arajacnum e D nyut@ ev 1.989 gram E ax@. A nyut@ poxazdum F ttvi het (M=123) arajacnelov E ax@.
Gtnel A,B,C,D,E,F nyuter@
Harc 3
Ca(HCO3)2=>X1
X1=>CaO
Ca(HCO3)2=>X2
X2=>CaO
X1<=>X2
Gtnel X1 ev X2 nyuter@.
Harc 4
500'C stacel en havasarakshrayin xarnurd N2, H2, NH3 mijev. Aynuhetev jermastichan@ bardzracrel en minchev 700'C ev stacel nor havasarakshrayin xarnurd. Erku xarnurdnerum el azoti cavalayin bajinner@ havasar en. Gtnel azoti cavalayin bajin@.