ПОМОГИТЕ ПОЖАЛУЙСТА нужны уравнения

$C_{2}H_{2}+H_{2}(t,Ni)-\ \textgreater \ C_{2}H_{4}$
$C_{2}H_{4}+H_{2}O(t,H_{2}SO_{4})-\ \textgreater \ C_{2}H_{5}OH$
$2C_2H_5OH -\ \textgreater \ CH_2=CH-CH=CH_2+H_2+ H_2O + H_2$ реакция лебедева
$CH_2=CH-CH=CH_2+H_2-\ \textgreater \ CH_2-CH=CH-CH_2$
$CH_2-CH=CH-CH_2+H_{2}O(t,H_{2}SO_{4})-\ \textgreater \$ 2-CH2-CH(OH)-CH_2