$(5)$ Find $H$ for $N_2{H}_4(I)+C{H}_{4}O(I)C{H}_{2}O(g)+N_2(g)+3H_2(g)$ given the reactions:

$2N{H}_3(g)N_2{H}_4(l)+H_2(g),H=22\mathrm{.}5kJ$

$2N{H}_3(g)N_2(g)+3H_2(g),H=57\mathrm{.}5kJ$

$C{H}_{2}O(g)+H_2(g)C{H}_{4}O(l),H=81\mathrm{.}2kJ$

$(6)$ Find $H$ for $\frac{1}{2}{H}_2(g)+\frac{1}{2}C{l}_2(g)HCl(g)$ give the reactions:

$COC{l}_2(g)+H_{2}O(l)C{H}_{2}C{l}_2(l)+O_2(g)$

$2HCl(g)+\frac{1}{2}{O}_2(g)H_{2}O(l)+C{l}_2(g)$

$C{H}_{2}C{l}_2(l)+H_2(g)+\frac{3}{2}{O}_2(g)COC{l}_2(g)+2H_{2}O(l)$

$H=47\mathrm{.}5kJ$

$H=105kJ$

$H=-402\mathrm{.}5kJ$