A balloon is filled with 1200 mL of air at 26°C and a pressure of 1.2 atm what is the pressure if the volume is now 898 mL and the temperature is 18°C

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

What four properties do all waves have in common