An object has a mass of 4 ounces and a volume of 17 cups. What is the density? oz/cup (your answer should *only* be a number, round to one decimal place if needed) *

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.