why are a weak acid and the salt of its conjugate base used in preparing a buffer, rather than a strong acid and a salt of its conjugate base?

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases. as altitude increases, air density increases. air pressure and density are lowest at sea level. denser air exerts more pressure than less dense air.

What is the equilibrium constant of aa+bb=cc+dd

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?