FL$06$

$4\mathrm{.}62290$ K $1100$ m$3/$h $$: $4$NH$3+502+6$H$2$O $+4$NO $$: $2$NO $+$ O$2+2$NO$2$ NO$2503$NO$2+$ H$2$O $2$HNO$3+$ NO $$ NH$3+202$ HNO$3+$ H$2$O $2085\%90\%$: $($a$)1290$ K $$ m$/$h $($b$)$ m$3/$h $0\mathrm{.}951000$ K $($c$)\%$