Which of the following is the general definition of a gas? matter with a fixed volume and a fixed shape. matter with no fixed volume and no fixed shape. matter with a fixed volume but no fixed shape. matter with a fixed shape but no fixed volume.

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

If a solution had a ph of 7 what is the solution

What is one measurement needed to calculate the speed of an object?