A weak acid has pKa = 3.4. What is the KA of this acid?

Compare and contrast physical changes with chemical changes.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How can one make a supersaturated solution? (apex)