An investigation that is controlled

What reaction is taking place? 02 + c3h8 = h20 + co2

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy