b. 2AB3(g) --> A2(g) + 3B2(g) + 394kJ Will enthalpy increase or decrease in the forward reaction? Will the entropy increase or decrease in the forward reaction? c. N2(g) +202(g) + 68kJ --> 2NO2(g) Will enthalpy increase or decrease in the forward reaction? Will the entropy increase or decrease in the forward reaction?

Q: 1. a) Why is chemical potential analogous to temperature and pressure? b) Under what circumstance…

A: a.  The chemical potential is the measure of free energy is changed in the process.  Since the free…

Q: Which change will result in an overall decrease of entropy? (A) CaCO:(s)→CAO(s) + CO:(g) (B)…

A: Which change will result in an overall decrease of entropy ?

Q: Which of the following reactions is expected to have a negative entropy change? 4NH: (g) + 50: (g) –…

A: Entropy is the degree of randomness . When the system is changed form Solid to liquid the degree of…

Q: Which of the following has the highest entropy (all at 65.0℃)?

A: Entropy(S) is defined as degree of randomness or disorderness and it is highest for gases and lowest…

Q: For each reaction, calculate AHrn, ASn, and AGxn at 25 °C and state whether or not the reaction is…

A: a. The reaction: N₂O₄(g) → 2 NO₂(g) Standard enthalpies of formation: N₂O₄(g): Hf =…

Q: Which of the following reactions is likely to have the most negative change in entropy? a. NH3(g)…

A:

Q: Mg(s) + 2HCl(aq) For this reaction at 25°C, ▪ Change in enthalpy: [Select] [Select] ✪ ■ Change in…

A: The reaction given is,

Q: 1. The action of catalyst regarding the rate of reaction involves: A. Arranges the orientation of…

A: The answers are below

Q: Chloroform chci3 is a solvent and has been used as an anesthetic the heat of vaporization of…

A:

Q: 7) a) Is entropy increasing or decreasing in the following reactions? Explain CH: (g) + H20 (g) → co…

A: Given information:

Q: Which of the following has the lowest entropy (all at 20.0℃)?   Select one: a. Ne (g) b. Xe (g) c.…

A: * We know  molar mass inversly  propertional  to    entropy.

Q: In which of the following reactions is entropy increasing? A. CO(g)+H2O(g)->H2(g)+CO2(g) B.…

A:

Q: Which best describes the entropy change for the following process? 2 SO2(g) + O2(g) → 2 SO3(g) А.…

A: We know that, Entropy measure randomness. Gas having more randomness than solid and liquid.

Q: Why not? What factors relate to rate of reaction? Considering entropy as related to the number of…

A: The measure of the amount of energy that is usable in a system is known as the Gibbs free energy (G)…

Q: SO3 + H2O -> H2SO4 Is this chemical reaction spontaneous or non- spontaneous? Fast or slow?

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: The first law of thermodynamics can be given as If two thermodynamic systems are each in thermal…

A:

Q: Enthalpy Entropy (ΔΗ)? Туре Spont.? (-AG)? Reaction (AS)? Yes, No, or Maybe (TD*) CSH12(g) + 802(g)…

A: The reactions given are,

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: What is the entropy change of the reaction below at 298 K and 1 atm pressure?…

A: The entropy measures the randomness of a system. If a system highly disorders, it will have high…

Q: Which of the following reactions shows a decrease in entropy?   a) 2H2O2(l) → 2H2O(l) + O2(g)   b)…

A: Entropy is the measure of randomness or disorder of the system.

Q: What is the change in entropy when 0.600 g of water decomposes to form hydrogen gas and oxygen gas…

A: Given, 2H2O(l) ----> 2H2(g) + O2(g); Delta S° = 326.3 J/K at 298 K

Q: Which of the following has the highest entropy (all at 100.0℃)? a. H2O (l) b. none - all of these…

A: d.  H2O (g)  Will have highest entropy at 100°C

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c.…

A: The randomness of molecules in scientific terms is called entropy. The molecules that are free to…

Q: Does the entropy increase or decrease in these reactions? Why? 4Al + 3O2 -------> 2Al2O3 C + 2Cl2…

A: Entropy is a measure of degree of disorder or randomness in the system. The greater the randomness…

Q: Which reaction would have an increase in entropy?   a. 2 NH4F (aq) + BaS (aq) → (NH4)2S (aq) +…

A: -> ∆S(gas)>∆S(liquid)>∆S(solid) ->If number of gaseous species in product increases then…

Q: K (s) + ½Cl, (g) – KCI (s) AH° = – 437 kJ/molpn 14. It is observed that the reaction producing KCl…

A: Given reaction is having formation of KCl from its elementary reactants.

Q: positive entropy change.

A:

Q: CH,-CH,-CH,() (ఎfo-140-1-10· (l) CH;-CH=0 (g) CO (g) CH, (g) (I) MgO (s) MgCO,(s)

A: Entropy (S) : Generally, entropy is defined as a measure of randomness or disorder of a system.…

Q: 2. When an isolated system undergoes a reversible process, A. It is isentropic. B. The entropy…

A: There are several types of thermodynamic processes, including (a) isothermal, where the system's…

Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: Given:

Q: In an equilibrium reaction with a Keq of 1 x 10⁸, the... *     reactants are favored       reaction…

A: This is the concept of chemical equilibrium

Q: What is the free energy change for the following reaction at 25 oC if the entropy change at this…

A: Given, entropy change ΔS = 10 J/K temperature T = 25+273=298 K enthalpy change ΔH = 3.40 KJ =…

Q: Describe each  reaction  as spontaneous or non-spontaneous. Sn^2+  +  Br2 -----> Sn^4+  +  2Br^ -

A: A reaction is said to be spontaneous when its ∆G° value is negative. Relation between ∆G° and…

Q: 10- PCI5(g) → PC33(g) + Cl2(g) For the reaction above, AH° = +22.1 kilocalories per mole at 25°C (a)…

A: The given decomposition reaction PCl5 (g) ----> PCl3 (g)+ Cl2 (g) is endothermic as it has a…

Q: What is the free energy change for the following reaction at 25 oC if the entropy change at this…

A: The reaction given is 3 A (g) + B (s) ------> 2 C (g) + 3.40 kJ Since heat is written in product…

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c. NH3)…

A: Here we have to determine entropy change in the following given cases.

Q: Entropy of a system would decrease when a substance goes through 1. A melting evaporation C boiling…

A: The correct option is (d) i.e. condensation. Melting leads to conversion of solid into liquid due to…

Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the ΔG°f…

A:

Q: 5. Consider the combustion reaction of octane (C8H18, mol. wt. = 114.23 g/mol, density = 0.703…

A: Balanced chemical reaction is given by, 2 C8H18 (g) + 25 O2  (g) → 16 CO2 (g) + 18 H2O (g)

Q: Which reaction produces a decrease in the entropy of the system? A) 4 NH3(g) +  5 O2 (g)   →  4 NO…

A: Given reactions A) 4 NH3(g) +  5 O2 (g)   →  4 NO (g)  +  6 H2O (g) B) Na (s) + 1/2 Cl2 (g)  →  NaCl…

Q: Would the following reaction be expected to have a positive or negative entropy change? N2(g)   +…

A: • The given reaction is,             N2(g) + 3 H2(g) → 2 NH3(g)    • We need to predict the sign…

Q: A free energy diagram for the reaction A E is shown below: (products) G" (reactants) Reactants…

A: Some characteristics of a reaction with reaction quotient Q and equilibrium constant Keq are: If…

Q: For the following reactions, indicate whether the entropy of the system increases, decreases, or…

A:

Q: which of the following is not spontaneous at room temperature? a) H2O (g) --> H2O (l) b) H2O(s) -->…

A:

Q: For each of the following reactions, predict if the entropy of the system will increase, decrease,…

A: Entropy :-  It is a thermodynamic property which is a measure of randomness or disorderness present…

Q: Does the entropy increase or decrease in these reactions? Why? a) 4 Al + 3 O2 → 2 Al2O3 b) C + 2…

A: Entropy of a system measures the degree of disorder or randomness of a system. It can be of 2 types…

Q: The change in entropy will be positive for which of the following reactions? Select one: a.BaF2(s)…

A: Here we are required to find the reaction where change in entropy is positive

Q: Which of the following reactions has a negative entropy change? Group of answer choices NH4Cl(s) →…

A:

Q: In which of the following reactions do you expect to have the smallest entropy change?   2 HF(g) +…

A: Entropy is the measure of chaotic behavior or disorderness.  By the reaction where change in number…

Q: Which reaction has a postive change in entropy? A) N2(g)+3H2(g)--->2NH3(g) B)…

A: