How many moles are in 98.3 grams of aluminum hydroxide

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.

The correct answer should be "electrons orbit the nucleus in circular motions exactly as shown on the classic bohr model."