Place the coefficients that correctly balance the chemical equation. Answer choices may be used as many times as necessary. C2H2(g) + O2(g) → CO2(g) + 2H2O(g)

Coefficient options: 1 2 3 4

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?