Is boiling salt water until just salt remains a physical or chemical change?

An aerosol can contains gases under a pressure of 4.50 atm at 20.0 degrees Celsius. If the can is left on a hot, sandy beach, the pressure of the gases increases to 4.78 atm.

Suppose you stir a little baking soda into water until the water looks clear again how could you prove to someone the material is a solution and not a compound

What is true in a saturated solution

What is the name of the element with the atomic number 79

What is most likely to happen when two fluorine (F) atoms bond? Electrons will be equally attracted to both atoms. One atom will attract electrons more strongly than the other.

Give two examples of chemical energy being transformed into electrical energy

Name the following compounds. NH4OH

How many minutes will be required to deposit 1.00 g of chromium metal from an aqueous?

Does a gas discharge tube filled with boron emit the same wavelength

What is HNO3 it's formula