Account for the observation that a solution of sodium chloride is neutral while that of sodium fluoride is Base

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

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

What is an example of a physical property?