How do you find out whether a compound is a (s), (l), (g), or (aq)?

Question

the periodic table just show the states for elements.

Answer 1

You know in the room temperature how is the state of the Element.For example if you go to 0 water becomes a (s) you have to know in which temperature one element changes state

Answer 2

Usually it will symbolize in an equation that a compound is solid, liquid, gas, or aqueous. For example,

C2H5OH(l) + 3O2(g) => 2CO2(g) + 3H2O(g)

C2H5OH is a liquid and O2, CO2, and H2O is a gas.

I hope this helps. :)

Answer 3

You have to learn them.