Light strikes a beautiful white perch under water. this light is reflected back to your eyes allowing you to see the fish. as the light left the water it speed causing the light to bend away from the normal.

The answer is: Light strikes a beautiful white perch under water. This light is reflected back to your eyes allowing you to see the fish. As the light left the water it changes speed causing the light to bend away from the normal.
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(got answer from https://quizlet.com/5474123/chapter-13-light-flash-cards/ if you need more help)

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.