Which is an example of a solution? a. flour and water b. sand and water c. salt and water d. oil and water e. ice and water

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)