1) If 400 grams of ethane(C2H6) goes through complete combustion, how many grams of oxygen would be
needed?
balanced
Equation: 2 C2H6 + 702 → 4 CO2 + 6 H20

How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use