Номера 18 и 19 срочно!!))

Question

Номера 18 и 19 срочно!!))

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Answer 1

19)2CH4=C2H2+3H2
C2H2+H2=C2H4
C2H4+HCl=C2H5Cl
C2H5Cl+Cl2=C2H4Cl2+HCl
C2H4Cl2+2NaOH=2NaCl+2H2O+C2H2
18)C20H42=C10H22+C10H20
C10H20+Br2=C10H20Br2
C10H20Br2+2NaOH=C10H20+2NaBr+2H2O
C10H20+HCl=C10H21Cl
2C10H21Cl+2Na=C20H42+2NaCl
2C20H42+61O2=40CO2+42H2O

Comments

спасибо!!!!!!!!

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есть на свете добрые люди )))