P$3\mathrm{.}3$ Given the reaction

$C{H}_4+2O_{2}C{O}_2+2H_{2}O$

If ${}^{}=4$gmol$/$min$,$ determine: $r_{O_2}^{},r_{C{O}_2}^{},r_{H_{2}O}^{},r_{C{H}_4}^{},R_{C{H}_4}^{},R_{O_2}^{},R_{C{O}_2}^{},R_{H_{2}O}^{}.$