3.2.2 Quiz: Energy of Chemical Relons Question 9 of 10 The energy diagram shows the changes in energy during a chemical reaction Which statement best describes the total energy change of the system? Potential energy Reaction progress​

What is the most useful equation for electric power?

Which of these metals are magnetic?

Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.