Write the equilibrium expression for the chemical equation: N2 + 3H2 + 2NH3

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

The clouds are grey and ground is wet. a quantitative b qualitative

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