5. When 2.00 mol of an ideal gas at 330K and 3.50 atm are compressed isothermally to some pressure Pf, its entropy decreases by 25.0 J/K. Calculate Pf and DG for this process.

Q: Why is the standard entropy of a substance in the gas state greater than its standard entropy in the…

A: The intermolecular force between gas molecules is less than the intermolecular force between liquid…

Q: At 25 ∘C, the equilibrium partial pressures for the reaction   A(g)+2B(g)↽−−⇀C(g)+D(g) were found…

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Q: Consider the following reaction at 298 K. C(graphite) + 2 Cl,(g) CCI, (1) AH = -139 kJ Calculate the…

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Q: A reaction has ΔH∘rxn= -134 kJ and ΔS∘rxn= 320 J/K.  At what temperature is the change in entropy…

A: Given: -ΔH°rxn = -134 KJΔS°rxn = 320 J/KIf everything is carried out at a constant temperature and…

Q: It refers to how a circumstance can occur without the help of any external factors? O a Entropy Ob…

A: Spontaneity ----> it refers to the circumstances which can occur without any external factors.…

Q: Rank the following substances in order of increasing standard molar entropy. (Please use the numbers…

A: Here, we have to rank the given substances in order of increasing standard molar entropy (S°). Given…

Q: The entropy of a reaction is 360 J/mol K and the enthalpy of a reaction is 847 kJ/mol. Calculate the…

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Q: Which substance would have the greatest standard molar entropy? O N2(g) NO2(g) O N2(1) O NO2(1)

A: Entropy (S): entropy dependence on randomness of a system . For example randomness order…

Q: For each pair of substances, choose the one that you expect to have the higher standard molar…

A: The species entropy is dependent on the species molar mass, species molecular complexity as well as…

Q: 9. A chemical reaction under standard state has the enthalpy of reaction: A,H° = +117 kJ and the…

A: B) The reaction is entropy driven.

Q: Calculate the change in entropy of a constant-pressure 10.5 sample of neon when the temperature is…

A: Given No of moles =10.5Final Temperature =T2 = 30.0 °C = (30+273.15) K =303.15 KInitial Temperature…

Q: Which of the following has the largest standard molar entropy, S° (298.15 K)? О а. Н2 (g) O b. NaCI…

A: Answer  The substance in gases state has higher entropy compared to…

Q: For a reaction, ΔHrxn = -107 kJ and ΔSrxn = 285 J>K. At what temperature is the change in entropy…

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Q: Consider the following reaction under the standard state. 2 NO3 (g) = 2 NO2 (g) + O2 (g) The…

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Q: Place the following in order of  increasing molar entropy at 298 K.  CO,    C 5H 12 ,    H 2

A: Given CO C5H12 H2 Arrange them in order of increasing molar entropy = To be determined

Q: A reaction has ΔH °rxn = -112 kJ and ΔS °rxn = 354 J/K. At what temperature is the change in entropy…

A: The quantity of energy that is absorbed inside the system at a given temperature during a particular…

Q: Arrange the gases − F2, Kr, and CHCl3 − in order of increasing standard entropy (S∘) at 298 K

A: Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing…

Q: Calculate the change in entropy that occurs in the system when 45.8 g of diethyl ether (C4H10O)…

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Q: Calculate the entropy of vaporization of water at 25 °c from thermodynamic data and its enthalpy of…

A: First calculate the entropy change of the given process at 25oC Given, The temperature of the system…

Q: Calculate the standard entropy change for the reaction at 25 °C. C;H,(g) + 50,(g) • 3 CO,(g) + 4…

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Q: If the absolute entropy for O2 (g) is 126 J/(mole∙K), what is the ΔS for the complete combustion of…

A: C2H4 (g) on complete combustion gives CO2(g) and H2O(g)  We need a balanced equation for the…

Q: Calculate the change in entropy associated with the production of ammonia from nitrogen and hydrogen…

A: Solution:     Change in entropy is the measure of degree of randomness or disorder in the system. It…

Q: Which of the following factors can result in an increase in the entropy of a system? 1. an increase…

A: The entropy is the degree of randomness . More is the randomness , more is the entropy . Temperature…

Q: N2(g) + 3H2(g) → 2NH3(g) Decide which standard entropy (S°) corresponds to which chemical species…

A: The given reaction is the formation of ammonia from the reaction of nitrogen and hydrogen gas. The…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Calculate change in entropy of the reaction---

Q: As a system goes from state A to state B, its entropy decreases. What can you say about the number…

A: Given: Here there is a decrease when the system goes from state A to state B. The objective is to…

Q: Calculate how entropy of 100 g of water changes when it is heated(under reversible conditions)from…

A: Here, since 00C is given for temperature, I consider it as 0oC and 1000C as 100oC That is…

Q: Create a system that shows the third law of thermodynamics and how it relates to the concept of…

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Q: The entropy of reaction for XeF6 (g) ⇌ XeF4 (g) + F2 (g) is 49 J/mol·K.  If the equilibrium constant…

A: Feasibility of a reaction depends on the change in Gibbs free energy. The value of change in Gibbs…

Q: Which one of the following choices shows the gaseous molecules ranked from lowest (on the left) to…

A: Given options:  1. Ar, Kr, He, Ne  2. Kr, Ar, Ne, He  3. He, Ne, Ar, Kr  4. He, Ne, Kr, Ar

Q: Which law states that the entropy of a perfect crystalline substance is zero at the absolute zero of…

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Q: How many microstates are present in a system with an entropy of zero?

A: The entropy (S) and microstates(W) are related by formula : S = kB ln(W)  Here , kB = Boltzmann…

Q: Arrange H202, H2S and H20 in order of decreasing molar entropy

A: WE HAVE TO ARREANGE IN DECREASING ORDER OF MOLAR ENTROPY.

Q: What is the change in entropy (positive, negative, or zero) for the system? 2CO (g) + O2 (g) -->…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

A: The unit of temperature is not mentioned therefore i am using kelvin. Data given: T2 =800K, T1…

Q: Calculate the standard entropy of formation of liquid ethanol at 25°C. [S°(Cgraphite) =…

A: If the standard entropies of formation of each substance are known, then the standard entropy change…

Q: Calculate the change in entropy that occurs in the system when 23.0 g of isopropyl alcohol condenses…

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Q: Under what circumstance can the entropy of a system decrease for a spontaneous process?

A: Entropy measures the degree of randomness in the system. When a substance changes its phase solid to…

Q: Place the following in order of  increasing molar entropy at 298 K.  CO  ,   C 5H 12 ,    H 2

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Q: A hot rock ejected from a volcano’s lava fountain cools from 1100C to 40.0C, and its entropy…

A: Given: Initial temperature, T1=1100°C=1373.15 K Final temperature, T2=40°C=313.15 K Decrease in…

Q: Calculate the standard entropy of formation of liquid ethanol

A: Entropy is the randomness or disorder. entropy of formation of reaction is calculated by using the…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

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Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

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Q: 1. 2NO(g) + O2(g)→ 2NO (g) DH° = -112 kJ/mol Absolute Entropy at 298 K (J/(K mol)) NO(9) 211 O2(9)…

A: The details solution for this is provided below in attach image.

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: The reaction given is, => Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g)

Q: 9. For C,H(0), a = 1.24 x 10 degree and B 9.30 x 10 atm at 20 °C and 1 atm pressure. Assuming a and…

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Q: Place the following species in order of decreasing molar entropy at 55°C. Assume that they are all…

A: We know that, entropy is a measure of randomness or disorder in a system. The entropy of a mole of…

Q: According to the third law of thermodynamics, at what temperature will entropy become zero? A. 0°…

A: Third law of Thermodynamics- The entropy of a perfectly crystalline solid approaches zero as the…

Q: i. Define entropy. ii. 1.0 kg of water at 0 °C is mixed with an equal mass of water at 100 °C. After…

A: Given :