If 3.92 mol of an ideal gas has a pressure of 2.45 atm and a volume of 79.61 L, what is the temperature of the sample in degrees Celsius

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present