Given the equation C2H6(g) + O2(g) → CO2(g) + H2O(g) (not balanced), determine the number of liters of O2 consumed at STP when 85 grams of C2H6 is burned.

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

Scientist think that animals with remarkably similar embryo development probably shared a common ancestor

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?