How many electrons are in the ππ system of borazine.

In an energy pyramid, which level has the most available energy?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Why does his teacher ask him to balance the equation by including the correct coefficient