Which of the following processes does not involve a change in chemical properties? rusting fermenting burning boiling

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 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?