H<0, ∆S>0 b. ∆H<0, ∆S<0 c ∆H>0, ∆S>0 d. ∆H>0,

Q: Which involves the greatest increase in entropy? O A. H20 (s, 0°C) H20 (I, 0°C) O B. H20 (I, 0°C)→…

A: Entropy is defined as the degree of randomness of a system and it increases for a spontaneous…

Q: 9. 2) Would you expect the entropy of CH,OHm to be greater than, less than, or equal to the entropy…

A: We know that Entropy of system is measured the randomness of system. Given system are (2) C2H5OH…

Q: For a given reaction, the Δ H° = 30.91 kJ/mol and Δ S° = 93.23 JK -1mol -1. At what teperature will…

A: Answer:- this question is answered by using the simple concept of calculation Gibbs free energy…

Q: Rank each set of substances in order of increasing standard molar entropy (S"). Explain your…

A: a) The entropy of the substance directly proportional to the molar mass of the substance, The order…

Q: An unknown material in a container which Hydrogen peroxide in it.Change in free energy is 2.23 &…

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: Calculate the free-energy change of the following reaction at 350°C and standard pressure. Values in…

A: Reaction: C2H4(g) + 3O2(g) → 2CO2(g) + 2H2O(g) Given:

Q: Which of the following temperatures will result in a spontaneous reaction if the ΔH°rxn = –3.24…

A: Spontaneous reaction can be defined as the reaction that occur by itself without the help of any…

Q: 16. Use the following data to calculate AG° at 298 K for the combustion of propane: C3H8(g) + 5…

A:

Q: Determine the entropy change, in J/mol K, for the vaporization of 75.0 g of liquid O2 into gaseous…

A: Temperature at which liquid O2 converts into gaseous O2 is = - 183°C∆Hvaporization for O2 = 6.820…

Q: W + X--> Y +Z has a Delta H of 312KJ and Delta S of -111 J. When will the reaction be spontaneous? O…

A: The reaction is spontaneous when the value of change in Gibbs energy is negative. ∆G=∆H-T∆S

Q: Which reaction below is spontaneous at SATP?   ∆Hº=14.1 kJ and ∆Sº=49.2 J/K   ∆Hº=34.1 kJ and…

A: Conditions at SATP (Standard Atmosphere Temperature and Pressure): Temperature = 25°C = 273.15+25 =…

Q: Calculate the free-energy change for the synthesis of ammonia at 25°C given the following sets of…

A:

Q: A. 2H,(g)+ 0, 2H,O(1) The entropy, ASn An = mol O has little or no change. O increases. O decreases.…

A:

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

A:

Q: ch the words in the left column to the appropriate blanks in the sentences on the right. Reset Help…

A: The explanation is given below-

Q: 15. The entropy will usually increase when I. a molecule is broken into two or more smaller…

A: Entropy is randomness of particle. Entropy is extensive property and state function as well. It…

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: What is the entropy when 1.40 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

A: Recall the given values moles of CCl2F2 =1.4 molesheat of vaporization of CCl2F2∆Hvap=17.2…

Q: Which has the highest entropy, S? A. 1 mole of I2(s) at 298 K, 1 atm B.1 mole of F2(g) at 298 K, 1…

A: Which one has highest entropy should be written.

Q: What is the entropy when 1.35 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

A:

Q: If heat from the surroundings was absorbed by the system, and the products were more ordered than…

A:

Q: 1. Indicate which substance in the given pairs has the higher entropy value. Explain your choices.…

A:

Q: g_2021 [References] Chloroform, CHC13, is a solvent and has been used as an anesthetic. The heat of…

A:

Q: Which substance will have the highest molar entropy at 25oC?   A. C4H10(g)   B. CO2(s)   C.…

A: Solution: We know that, Molar mass of gas is directly proportional to absolute entropy. In above…

Q: Calculate ∆S°for the following reaction: SnCl4(l)→SnCl(g) A :-625J/K B: 107J/K C: 625 J/K D:…

A: Concept based on the standard entropy of the chemical reactions.

Q: What is “entropy” ? Give a useful definition. In each of the following balanced chemical reactions,…

A: Entropy may be defined as a measure of randomness in a system.

Q: What is the entropy when 1.34 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

A:

Q: AH°, kJ/mol S°, J/mol·K 3. What is the lowest temperature at which the following reaction is…

A: Given reaction H2O(g)  +  C(s) → H2(g)  + CO(g)∆Hrxn0 = ∑  ∆Hf0(Product) - ∑ ∆Hf0(reactant)∆Hrxn0 =…

Q: What is the entropy when 1.53 moles of CCl,F2 vaporize at 25°C? [AH(vap) = 17.2 kJ/mol at 25°C]

A: Number of moles of CCl2F2, ∆H(vap) and the temperature for which entropy is to be determined.

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: What is the value of the entropy of lithium bromide solid at 25℃? Select one: a. – 384 kJ/mol b.…

A: Entropy denotes the randomness of particles

Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

A:

Q: Sucrose, or table sugar, has two molecular forms: linear and ring. If a bag of sugar contains, 5.87…

A:

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

A: Comparison between the entropy values in the given pairs of substances is asked.  Note: Values of…

Q: 15. The entropy will usually increase when I. a molecule is broken into two or more smaller…

A: Entropy = Entropy is the measure of spontaneous changes that occur in the system. It is referred to…

Q: B. Entropy 5. Which of the following are A. Entropy and B. Entropy and

A:

Q: Given the following combustion reactions, which will have the most negative molar entropy change?…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Determine the standard free energy change at 25 °C for the reaction 2 H2(g) + O2(g) ---&gt; 2 H2O(g)…

A: The standard thermodynamic data for the given reactants and products at given temperature is,

Q: Which expression below could be used to calculate the free energy change for a chemical reaction at…

A:

Q: A reaction has A Hon -65.1 kJ/mol %3D rxn A Sexn = - 47.8 J/mol K Inder what range of temperatures…

A: Given: ∆Hrxn0=-65.1KJmol=-65100 Jmol∆Srxn0=-47.8.Jmol K

Q: 4. The entropy will usually increase when 1. a molecule is broken into two or more smaller…

A:

Q: What is the entropy when 1.26 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

A:

Q: What is the change in entropy for the vaporization of 27.0 g of H2O at 100°C? At this temperature,…

A: The molar enthalpy of vaporization of water is 44.0 kJ/mol which is equal to 44000 J/mol. The heat…

Q: Pick the substance from each set that would have the largest molar entropy. Set 1 Set 2 CH-(g) or…

A:

Q: Which of the following processes require the most energy? H2O(l) ⟶⟶ H2O(g) H2O(s) ⟶⟶ H2O(l)…

A: In the given question  Endothermic process requires the most energy  Endothermic reaction absorbed…

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

A:

Q: the highest molar entropy? a. CH2Cl2 (g) b. NH3 (g) c. N2O5 (s) d. N2H4 (l)

A: Entropy is the randomness of molecules in the given system.

Q: What is the molar change in entropy of tetrachlorosilane when it boils at 57.65°C given that AHvap =…

A: Given: Temperature (T) = 57.65°C  Or T = 57.65 + 273.15 K = 330.8 K And ∆Hvap = 28.7 kJ/mol Or ∆Hvap…

Q: What is the entropy when 1.13 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

A: The moles of CCl2F2 is = 1.13 moles The temperature of vaporization is = 25oC = 25oC+273.15 = 298.15…

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…