If 3.6 L of CO2 is formed at STP, exactly how many molecules of C3H8 would have been needed? Assume that the other reactant was in excess.

In the reading, yao chen-yuan describes traveling to deliver a message. why was he willing to risk danger to travelto tientsin? he wanted to the boxers with their cause

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Non renewable resources like petroleum eventually