Which of the following is the balanced chemical equation for the combustion of methane, CH4? A) CH4 (g) + 2O2 (g) → CO2 (g) + 2H20 (g)

B) 2CH4 (g) + O2 (g) → 2CO2 (g) + H20 (g)

C) CH4 (g) + 2O2 (g) → 2CO2 (g) + 2H20 (g)

D) CH4 (g) + 2O2 (g) → CO2 (g) + H20 (g)

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

What is the force of attraction between the particles in a salt crystal

How have the greenhouse gasses increased from the year 2000 to 2018