HClO4(aq)+ H2O(l)→H3O+(aq)+ClO4−(aq) Express your answers as chemical formulas. Enter your answers in the order given in the question separated by commas.

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

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

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)