15. The entropy will usually increase when I. a molecule is broken into two or more smaller molecules. II. a reaction occurs that results in a decrease in the number of moles of gas. II. a liquid changes to a solid. IV. a gas changes to a liquid. *

Q: Gibb's Free Energy is   a. the spontaneous energy of a reaction   b. the chemical energy that can…

A: In a chemical or physical change, the Gibbs free energy is a useful quantity that used in the…

Q: 14. Consider the reaction at 25 oC : A (g) + B (s) + 2 C (g) ------ D (g) + 2 E (s) kp = 2.40 What…

A: The given reaction is -               A (g) + B (s) + 2 C (g) ------ D (g) + 2 E (s) Now, the…

Q: chapter 12:  16) The following reaction has these standard thermodynamic parameters: ΔHºrxn =…

A: Given;  ΔHºrxn = –32.6 kJ/mol.  ΔSºrxn = –63.8 J(mol •  K). C(g)+D(g)--->E(g).

Q: Consider the reaction 2 NO2(g)  N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3…

A:

Q: If you place a teaspoon of sugar in the bottom of a glass of water, it will dissolve completely over…

A: Entropy is used to measure disorder and randomness in a system. It is generally associated with…

Q: Global warming refers to unusual increased of the Earth's temperature due to the greenhouse gases…

A: Ans.1 Entropy and global warming: Global warming impacts the thermodynamics of the climate system by…

Q: The decomposition of magnesium carbonate is shown MgCO3(s) ⟷⟷ MgO(s) + CO2(g) ΔHo =…

A: A)increase the temperature

Q: 1. Particles of the reactants (1) must not only have enough energy upon collision for a reaction to…

A: The collision theory describes that a reaction will take place when the reactant of the reaction…

Q: Explain what is meant by the term entropy.

A: The term entropy has to be defined.

Q: Which reaction is accompanied by an increase in entropy? Select one: O a. BaO(s) + CO2(g) → BaCO3(s)…

A: when less number of gaseous reactants form more gaseous products, there will be an increment in…

Q: Predict how the entropy of the substance is affected in each of the processes. Ar(1) → Ar(g) entropy…

A:

Q: gaseous N2O4: N2O4(g) → 2 NO2(g) ΔH° = +57.1 kJ/mol; ΔS° = +175.8 J/mol K a) Is the reaction…

A: We will give information about all parts

Q: Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

A:

Q: Energy > The image below shows two confgurations of a system of 4 particles. Energy levels increase…

A:

Q: system AG and the entropy of the universeAS, universe and plot it on two graphs. Which one of the…

A: Applying concept of spontaneity of ∆G and ∆S.

Q: 1. The entropy will usually increase when I. a molecule is broken into two or more smaller…

A: Since you have posted more than one question, we will solve only first question for you. If you want…

Q: 10. What is the correct equation in solving for the entropy of a chemical reaction?  A. Σentropy of…

A: Entropy of a system can be defined as the degree of disorder in system or degree of randomness in…

Q: Indicate which substance in the given pairs has a higher entropy value. Explain your choices. (a)…

A: Entropy is a measure of degree of randomness of the system. As the randomness of the system…

Q: 18. A reaction has AH° = +38.7 kJ/mole, AS° = 112 J/mol K, and AG° = +5.32 kJ/mole. Complete the…

A: Given : ΔHo = 38.7 KJ/mol = 38700                                              ( Since 1 KJ = 1000…

Q: Describe and explain entropy of this situation 1.Cleaning the whole living room before and after 2…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: 17.23 Calculate the standard entropy change that accompanies each reaction: (b) 2NAHCO3(s) Na2CO3(s)…

A:

Q: Consider the reaction 2 NO2(g)  N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3…

A:

Q: 13. (Entropy) For each of the following processes, tell whether the entropy of the universe…

A: Entropy of a system can be defined as the degree of disorder of a system. More the degree of…

Q: Energy > The image below shows two configurations of a system of 4 particles. Energy levels increase…

A: We know that  Entropy S = Kb ln W Where W is the no of arrangement or no of microstate possible .…

Q: I need help getting started. explain how free energy and equilibrium relate to chemical reactions

A: The solution is given below -

Q: 5. What is the effect of a catalyst on a reaction? A. It increases the rate. B. It decreases the…

A: A catalyst decreases energy of activation. It does not have effect on equilibrium, entropy or…

Q: What can be interpreted if only given the following? C6H12O6(s) ----> C6H12O6(aq) The enthalpy of…

A: We know when sugar is dissolved in water the temperature of solution increases.

Q: How can you tell if a certain reaction shows an increase in entropy? a) If the reactant is in…

A:

Q: Dissolution of ionic compounds generally involves an increase in entropy (+ΔS°), but for a few…

A: entropy is measurement of randomness.As the randomness increase entropy also increase. In…

Q: Which substance has the higher entropy? a. a sample of pure silicon (to be used in a computer chip)…

A: answer

Q: 77 How does the entropy of the system change for each of the following processes? al A liquid boils.…

A: (a) A liquid boils--> Increase  (b) A liquid freezes--> Decrease (c) A solid sublimes - - >…

Q: (d) What is the sign of the standard reaction ENTROPY? Does the entropy provide a favorable or…

A: The equilibrium reaction given is, =>

Q: "hich process is accompanied by an increase in entropy? elect one: O a. setting up a stack of…

A: Entropy is defined as the degree of randomness or disorderliness of the System. if the molecules of…

Q: For each of the following irreversible processes, explain how you can tell that the total entropy of…

A: a) Entropy increases for boiling pasta because we have apply heat to the pasta and thus the…

Q: An endothermic reaction that has a negative entropy change would be described as what?  Spontaneous…

A: Endothermic process is any process with an increase in enthalpy H (or internal energy U) of the…

Q: Entropy states that a system tends towards (There are two correct answers, pick both of them) a.…

A: Entropy is the measure of randomness.

Q: PCl5(g)  ® PCl3(g)  + Cl2(g)

A: The state at which rate of forword is equal to rate of backword reaction is called equilibrium state…

Q: DEFINE ENTROPY TO THE BEST OF YOUR UNDERSTANDING USING DIAGRAMS AND SYMBOLS TO VISUALIZE THE CONCEPT

A: the term entropy related to thermodynamic property. it is a measurable physical property

Q: Dissolution of ionic compounds generally involves an increase in entropy (+ΔS°), but for a few…

A: The degree of randomness in atoms or ions or molecules of a compound is considered to be its…

Q: 13. (Entropy) For each of the following processes, tell whether the entropy of the universe…

A: We have to tell about the entropy change of the universe for the given process.     We know that…

Q: What is the effect of adding a catalyst on a reaction? O It changes the equilibrium position OIt…

A: Catalyst: Catalyst can be define as a substance Which is not consumed in a chemical reaction but…

Q: Which of the following condition is TRUE about entropy?     -Negative entropy tells us that…

A: Entropy is a Greek word which means transformation. It is showed by S. Therefore, entropy may be…

Q: Fill in the blanks below, with A, B, C or D: A B D Structure is expected to have the highest molar…

A:

Q: In different phases of water, this has the highest entropy because molecules are too far apart to…

A: Entropy is the randomness or disorders of molecules in any compound.

Q: chapter 12:  8) Calculate the free-energy change of the following reaction at 448°C and standard…

A: Answer: The free energy change of the following reaction at 448°C is -1301.34 kJ/mol.