O gás butano (C4H10) é um dos componentes do gás de cozinha (GLP - Gás Liquefeito de Petróleo). Se a velocidade de consumo do gás butano for de mol\

\[\eqalign{ & {\text{2}}{{\text{C}}_{\text{4}}}{{\text{H}}_{{\text{10}}}}_{{\text{(g)}}}{\text{ + 13}}{{\text{O}}_{\text{2}}}_{{\text{(g)}}}{\text{ }} \to 8{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + 10}}{{\text{H}}_{\text{2}}}{{\text{O}}_{{\text{(g)}}}} \cr & 116g({{\text{C}}_{\text{4}}}{{\text{H}}_{{\text{10}}}}) - - - 352g({\text{C}}{{\text{O}}_{\text{2}}}) \cr & 1000g({{\text{C}}_{\text{4}}}{{\text{H}}_{{\text{10}}}}) - - Xg({\text{C}}{{\text{O}}_{\text{2}}}) \cr & \boxed{X = 3034g}{\text{C}}{{\text{O}}_{\text{2}}} \cr & \boxed{X = 3,034kg}{\text{C}}{{\text{O}}_{\text{2}}} }\]