What can be said about a reaction with H=-890 kJ/mol and AS= -0.24 kJ/(mol-K)? A. it is never spontaneous B. it is always spontaneous C. it is spontaneous at 2000 k D. it is at equilibrium at 371 k

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car