The diagrams above represent physical changes for potassium. Which of the following correctly identifies the physical process and provides the correct AS for the process in the indicated diagram? A In diagram 1, the process is freezing and AS freezing is negative. B In diagram 2, the process is melting and AS melting is negative. C In diagram 3, the process is boiling and AS boiling is negative. D In diagram 4, the process is condensation and AS condensation is positive