ПОМОГИТЕ ПОЖАЛУЙСТА нужны уравнения

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