Predict whether the following changes represent an increase or decrease in the entropy of the system.  Provide an explanation for each.  a) the freezing of juice to make a popsicle b) O2 (g) --> 2O (g) c) condensation forms on the outside of a glass of cold water

Match each reaction or description to the change in entropy. by freezing water to form ice b Gasoline vaporizes in the carburetor of an automobile engine av PCl₂(g) + Cl₂(g) PCI, (g) COz(8) + H2O(l) H₂CO3(aq) av Raindrops form in a cloud a mixing of two gases into one container b boiling water to form steam ----> b b MAXI av S0₂(g) + CaO(s) -----> CaSO (s) av BaF₂ (s) - Ba²+ (aq) + 2F (aq) av Moisture condenses on the outside of a cold glass by melting ice to form water a 2Hg (1) + O₂ (g) --> 2Hgo (s) a Cao(s) + 2 HCl(g) -> CaCl₂(s) + H₂O(l) Sugar dissolves in coffee Frost forms on the windshield of your car av seperating solute particles throughout a solvent b Air is pumped into a tire a C₂H4(8) + H₂(g) - > av Ni(s) +2 HCl(aq) by dissolution of solid KCL in water a 2NO₂ (g)-> N₂O4 (8) C₂H6(g) > H₂(g) + NiCl₂(aq) Search a. AS-0 b. AS-0

Identify the change in phyical state that is a decrease in entropy.   water boiling   ice melting   water evaporating   water freezing

pick the substance and conditions which would have the higher entropy. a) fructose (C6H12O6) b) sucrose (C12H24O12)

Classify the following scenarios as positive or negative ΔS (entropy).

2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of water dissolves. The entropy of the sugar and water increases. b) A block of dry ice sublimates to CO2 gas. The entropy change is positive. c) Wood bums and becomes ash, smoke and gases. The entropy change increases. d) Building a house from building blocks (bricks, stones and mortar). The entropy increases. e) A snowman melts on a spring day. 3. Which of the following processes involve an increase in AS ? i. Br:() H. 2H:(9) + O:(g) il. 2KCIO:(s) iv. 2H9O(s) Br:(g) 2H:0(g) 2KCI(s) + 30:(g) 2Hg(1) + O:(g) a) i only b) i only c) i and iv only d) i, i, and iv only e) i, ii, ii, and iv only 4. Predict the sign of AS" of the reaction, and indicate the reason for the change 2H:(g) + O:(g) 2H;0(g) (Select all that apply.) il. i. iv. due to the dissolving of a compound due to the precipitation of a compound due to an increase in the number of moles of gas due to a decrease in the number of…

Which of the following processes results in the largest decrease in Entropy? The heat of fusion of water is 333 J/g, and the heat of vaporization of water is 2260 J/g. The freezing point of water is 0 °C, and the boiling point of water is 100 °C. The vaporization of liquid water to water vapor The condensation of water vapor to liquid water. The cooling of liquid water from 100 C to 0 C The melting of ice to liquid water. The freezing of liquid water to ice.

For each of the following, indicate whether entropy is increasing or decreasing: Arranging flowers Baking a cake C6H1206 (s) + 602(g)6CO2(g) + 6H2O(g)

Which of the following represents an increase in entropy? a) freezing of water b) boiling of water c) crystallization of salt from a supersaturated solution d) the reaction 2 NO(g) → N½O2(g) e) the reaction 2 H2(g) + O2(g) → 2 H2O(g)

2. Predict whether the following reaction leads to an increase or a decrease in entropy. Explain Why. Ag'ma) + Clag) → AgCl