a. The process of filtration is performed in the laboratory to * O form precipitates o remove water from solutions O separate dissolved particles from the solvent o separate insoluble substances in an aqueous mixture​

Idid the calculation and i get 875,000,000 which can be written as 8.75 x 10^6?

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.