If an ice cube melts at 0°c but water freezes at 0°c what is the difference between melting and freezing in terms of energy involved with phase changes and be particles of substances during the phase changes?

Which process is represented by the pv diagram? a. the isobaric process b. the isovolumetric process c. the isothermal process d. the adiabatic process

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space.a. zerob. πc. π/2d. not determinable by the information provided