A. Predict if entropy would increase or decrease during the following phase changes. (2 points)

i. H2O(g) H2O(l) (1 point)

ii. H2O(s) H2O(l) (1 point)

b. Predict whether the entropy would increase or decrease in the reaction KCl(s) K+(aq) + Cl–(aq). Explain your answer. (2 points)

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate