Which property of a substance indicates whether the substance is a liquid or a solid at room temperature?

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

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

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?