5.
用\(\rm{CH_{4}}\)催化还原\(\rm{NO_{X}}\)可以消除氮氧化物的污染\(\rm{.}\)例如:
\(\rm{①CH_{4}(g)+ 4NO_{2}(g)= 4NO(g)+ CO_{2}(g)+ 2H_{2}O(g)}\) \(\rm{\triangle H_{1}}\)
\(\rm{②CH_{4}(g)+ 4NO(g)= 2N_{2}(g)+ CO_{2}(g)+ 2H_{2}O(g)\triangle H_{2} = -1160kJ⋅mol^{-1}}\)
已知\(\rm{NO}\)、 \(\rm{NO_{2}}\)混合气体的密度是相同条件下氢气密度的\(\rm{17}\)倍,\(\rm{16g}\)甲烷和该混合气体恰好完全反应生成\(\rm{N_{2、}CO_{2}}\)、\(\rm{H_{2}O(g)}\)放出\(\rm{1042.8 kJ}\)的热量,则\(\rm{\triangle H_{1}}\)是\(\rm{(}\) \(\rm{)}\)