The ph of a 0.74 m solution of alloxanic acid (hc4h3n2o5) is measured to be 3.39.
calculate the acid dissociation constant ka of alloxanic acid.
be sure your answer has the correct number of significant digits.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

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

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots