DANI243IN DANI243IN Chemistry Answered 5. Consider the combustion of ethylene, C₂H4 (g) + 3 02 (g) → 2 CO₂ (g) + 2 H₂O (g). If the concentration of C₂H4 is decreasing at the rate of 0.036 M/s, what are the rates of change in the concentrations of CO₂ and H₂O?