Determine the concentration of hydroxide ions if the molarity of hydrogen ions is 7.3x10-6.

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

In a copper wire, a temperature increase is the result of which of the following

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.