A gas balloon has a volume of 80.0 mL at 300K, and a pressure of 50.0kPa. If the pressure changes to 80.0kPa and the temperature rises to 320K, what is the new volume of the balloon in milliliters?

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

Which method would be best to separate a mixture of sand and gravel

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate