What is the hydroxide ion concentration of a solution whose pOH is 6.42?
Your
3.8 x 10-7M
2.6 x 10-7M
2.6 x 10-8 M
3.8 x 10-8 M

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

Which of the following describes a situation where competition between producers exists

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.