What will cause an object to move?

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

What is the number of atoms in 3.54 mol s