Which of the following statement is CORRECT? a. ΔG<0 at low temperatures when   ΔH>0 and ΔS>0 b.   In order to increase the yield of an exothermic reaction, temperature must be increased

Q: Now, show that for any adiabatic operation (T, X) → (T', X') to be possible, we must ensure the…

A: I. Entropy is an increasing function of temperature II. Second Law of Thermodynamics III. There…

Q: Calculate ΔGo for the following reaction at 25oC.  C2H4(g)   +   O2(g)  ---->   CO2(g)   H2O(g)…

A:

Q: Which of the following processes carried out on a 1-mol sample of a monatomic gas (assumed to…

A: Entropy is a basic thermodynamic concept that represents the degree of disorder or unpredictability…

Q: which of the following reaction is spontaneous at 25c when each of the reactants and products are in…

A: The objective of the question is to determine whether the given reaction is spontaneous at 25°C when…

Q: An aqueous solution of hydrobromic acid is standardized by titration with a 0.144 M solution of…

A:

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: Consider a chemical reaction that has a AH°f = 30.0 kJ/mol and a AS° = 100.0 J//mol•K). At what…

A:

Q: Calculate ΔS^0reaction in J/mol at 298.15 K given Fe2O3(s)+3H2(g)→2Fe(s)+3H2O(l)…

A: To find ∆S° ( reaction)

Q: 3. For the combustion of butane gas, C4H10 (g) + O₂(g) → 4 CO₂ (g) + 5 H₂O (g). Calculate AGº and…

A: Combustion of butane Even though butane is a highly spontaneous fuel that burns in the presence of…

Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard ΔGf​ values of each…

A: a). HCl(g) The standard state has P= 2 atm.

Q: the reaction is negative at all temperatures. as zero entropy since elements should have zero…

A: Entropy is degree of randomness or disorderness. As we know,  order of Entropy is Solid &lt;…

Q: Consider the following reaction and standard molar entropy values for each substance at 25°C.…

A: we have to calculate the entropy change for the given reaction

Q: In an alkalinity titration of a 100.0 mL sample of water from a hot spring, 2.56 mL of a 0.0315 M…

A: At the first equivalence point, the reaction can be given as follows: HCl+CO32-→HCO3-+Cl- From the…

Q: Supposed the reaction: X(s) + 2Y(g) → Z(l) is exothermic. At what temperatures is it spontaneous?…

A: For the reaction., X(s) + 2Y(g) → Z(l)

Q: 11. When gaseous carbon monoxide contacts solid nickel, liquid nickel tetracarbonyl is formed. Ni(s)…

A: Given reaction is,  Ni(s) + 4 CO(g) ---&gt; Ni(CO)4 (l)  T = temperature= 25 °C…

Q: Which one of the following is not equal to zero?   A.  Standard molar entropy of a perfect crystal…

A: Standard enthalpy of formation of elements and the compounds in their standard state is zero.

Q: Cyclopropane and propylene are isomers that both havethe formula C3H6. Based on the molecular…

A:

Q: 6. In which of the following reactions do you expect to have the most significant decrease in…

A: Answer: Entropy is the measure of system's disorderliness or randomness. In more possible states…

Q: Show that an exothermic reaction accompanied with an increase in enthalpy always occurs…

A: Change in Gibbs free energy of the process is    ∆G = ∆H - T∆S During the phase transition ∆G =0 For…

Q: Which of the following cases has a decrease in entropy? Vaporization of water. Formation of H20 (g)…

A: The disorderness of the system is called as entropy. It is expressed by S . The standard entropy at…

Q: The normal freezing point of CCl4 is -23 °C. When CC 4 melts at -23 °C and 1 atm. pressure, the…

A: The objective of the question is to determine the change in entropy of the universe when CCl4 melts…

Q: 10. Entropy can be calculated by a relationship proposed by Ludwig Boltzmann:52S = InWwhere k = 1.38…

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Q: A certain liquid substance boils at 84.7 °C (at 1 atm) and has a standard enthalpy of vaporization…

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Q: Using the entropy values in the table below, what is the change in standard entropy, AS, for the…

A: We would use given standard entropy values of species in involved in reaction to calculate entropy…

Q: The change in entropy, Δ?∘rxn, is related to the the change in the number of moles of gas molecules,…

A: Change in number of moles in a reaction is calculated by subtracting the moles of gaseous reactants…

Q: Correctly complete each statement regarding the standard entropy of the substances indicated. The…

A: The entropy of a compound is related to the equation∆S=∆HT. So, entropy depends on the Temperature…

Q: For the following chemical reaction, predict the sign of the change in entropy (AS). 6Cl2 (g) +…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: Calculate the standard entropy change for the reaction at 25 °C. Standard molar entropy values can…

A: Answer: 30.28 J/K

Q: 89. Consider this reaction occurring at 298 K: N2O(g) + NO2(g) 3 NO(g) a. Show that the reaction is…

A:

Q: Calculate the standard entropy change for the reaction at 25 °C. Standard molar entropy values can…

A:

Q: The enthalpy of vaporization of methanol, CH3OH, is 35.27 kJ/mol at its normal boiling point of 64.1…

A:

Q: Consider the following reaction and standard molar entropy values for each substance at 25°C.…

A:

Q: 57. For each reaction, calculate AHan, AS, and AGan at 25 °C and state whether or not the reaction…

A: Note - Since you have asked multiple questions (multiple reactions), we are supposed to solve only…

Q: A certain liquid substance boils at 53.3 °C (at 1 atm) and has a standard enthalpy of vaporization…

A: The boiling point of the given substance is = 53.3oC = 53.3oC+273.15 = 326.45 K The standard…

Q: Question 2 Indicate whether the following statements are true or false: A. v The entropy of the…

A: A. The Entropy of a system increases for all spontaneous processes. True  An exothermic reaction…

Q: One of the reactions that destroys ozone in the upper atmosphere is NO(g) + 03 (9) NO2 (9) + O2 (9)…

A:

Q: SICI4 (g) + 2 H,O(e) → SiO2 (s) + 4 HCI(g) C. Standard entropy for some substance given below.…

A: Since,  ∆G = ∆H - T∆S  Reaction is entropy favoured when ∆S is positive because that will help in…

Q: Consider the reaction between nitrogen and oxygen gas to form dinitrogen monoxide: 2N2 (g) + O2 (g)…

A: Given data:

Q: Which of the following statements is false? O The absolute entropy of a perfect crystal at absolute…

A: Here, we have to find the statement from the given statements that is false.

Q: Which of the following statements given is/are FALSE? I. A system at constant temperature cannot…

A: The correct option is:

Q: Brz(g) — 2 Br(в) Standard entropy for some substance given below. Compound S', J/K · mol Br2 (g)…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Calculate ΔS when 25.0 g ethanol at 50.0 °C is added to 75.0 g ethanol at 10.0 °C in an insulated…

A: Entropy change= m×Cp ln T2/T1 25g ethanol has higher temperature 50°C than 75 g ethanol with 10°C.

Q: 4. Determine the percent yield for the reaction between 46.4 g of ZnS and 13.3 g of O, if 18.4 g of…

A: Displacement reactions : This is the type of the reaction in which an atom or the set of atoms in a…

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,