For proper ph balance within the human body, what is the ratio of bicarbonate ions to carbonic acid molecules?

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball