Question 1
Which of the following processes is spontaneous?
◦ a mixture of two liquids separating into pure compounds
◦ reaction of sodium with oxygen
◦ water flowing uphill
◦ precipitation of solute from a unsaturated solution
Question 2
For which of the following will the entropy of the system increase?
◦ condensation of steam
◦ sublimation of dry ice
◦ reaction of zinc with oxygen to form zinc oxide
◦ reaction of nitrogen and hydrogen to form ammonia