Define the term limiting reactant explain- link limiting reactant to number of moles link limiting reactant to the masses in grams dont give short answers, im looking for some detail here.

Here is the answer to your question^. I hoped that I have answered you questions.

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.