is phosporus or calcium more reactive and why is that?

How is the bubbles video an example of Newton s third law? Prepare a statement using the following terms: action force, reaction force, and opposite direction.

suggest a reason why each compound produces a flame of a different color even though they all contain chlorine

At STP, which volume is made up of 60.0g atoms

Under what conditions is AG for a reaction always positive? A. When A His positive and AS is negative O B. When AH and AS are both negative C. When A His negative and ASis positive O D. When A Hand AS are both positive