The following chemical equation is not balanced: cacl2 + agno3 agcl + ca(no3)2 when this chemical equation is correctly balanced, what is the coefficient of the silver chloride molecule? a. 1 b. 2 c. 3 d. 4

It changes food into energy that the organism can use.

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.