Plz download the doc and answer its due in 20 mins like bro wth

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Calculate the number of molecules present in 0.750 mol of mgo.