2c+ca=cac2
ca2+2h2o=ca(oh)2+c2h2
c2h2+h2o=ch3coh
ch3coh+[o]=ch3cooh
ch3cooh+br2=ch2brcooh=+hbr
ch2brcooh+nh3=ch2-nh2-cooh + hbr
(ch2-nh2-cooh+ch2-nh2-cooh= nh2-ch2-co-nh2-ch2-cooh+h2o)
добавил сюда
2c+ca=cac2
ca2+2h2o=ca(oh)2+c2h2
c2h2+h2o=ch3coh
ch3coh+[o]=ch3cooh
ch3cooh+br2=ch2brcooh=+hbr
ch2brcooh+nh3=ch2-nh2-cooh + hbr
(ch2-nh2-cooh+ch2-nh2-cooh= nh2-ch2-co-nh2-ch2-cooh+h2o)
добавил сюда