Which is a true statement?
a)the particles in a colloidal system are affected by gravity
b)a solution is heterogeneous
c)particies can be filtered from a suspension
d)a colloidat system does not exhibit the tyndall effect.

Ithink it’s 3 as the answer.

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.

500bc indiais the answer.

It is 4.92 e-4 sorry if i am wrong