Iron has an absolute molar entropy of 27.3 J/(mol-K). Calculate the number of microstates accessible to a single iron atom at 298K. Report your answer to one decimal place, and there are no units.

Q: The concentration of glucose inside a cell is 0.13 mM. Outside the cell the concentration of glucose…

A: Given that : Concentration of glucose inside the cell (Ci)= 0.13 mM Concentration of glucose outside…

Q: If enthalpy is +220 kJ for a reaction and entropy is +120 J, at what temperature is this…

A: The spontaniety of any reaction is decided by the Gibb's free energy change if the reaction. Any…

Q: Consider a process in which 250 kJ of energy is transferred reversibly and isothermally as heat to a…

A: Entropy is the measure of degree of randomness. The change in entropy can be measured as follows:

Q: methanol, CH3OH, vaporizes at 25°C is 35.4 kJ/mol. What is the entropy change (in J/K) when one mole…

A: Given,   □Hvap = 35.4 kJ/mol T = 25 °c = 298 K □S = □H/T   = 35.4 ×1000/298 = 118.79 J/K-mol

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

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Q: For each pair of substances choose the one with the higher standard molar entropy and explain your…

A: a) NaNO3(s); NaNO3(l) NaNO3(l) will have higher standard molar entropy than NaNO3(s) Because in…

Q: At temperature T0, substance X in its A form (A can be liquid, solid or vapor) has same chemical…

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Q: For each pair of substances choose the one with the higher standard molar entropy and explain your…

A: The measurement of disorderness is especially done by entropy. Higher the disorderness (randomness),…

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: What is the absolute entropy of chlorine gas at 300 K using Cp = 0.48 J/ g.K?

A: Given that : We have to calculate the absolute entropy of chlorine gas at the given conditions :…

Q: The standard molar entropy for Br2(g) is 245.46 J/(mol-K) at 25°C. Given that AS - 104.58 J/K for…

A: For the dissociation of Br2 (g) into Br (g) at 25oC, the entropy change, ΔS, is calculated as shown…

Q: Calculate the change in molar entropy when hydrogen gas is heated from 20°C to 30°C at constant…

A: Entropy change of the system is a state function. The change in entropy is the sum of the change in…

Q: Explain how the entropy of a system is related to the number ofpossible microstates?

A: To find: The relation between the entropy and number of possible microstates

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

A: Entropy is determined by checking the state of phase . In which state material is available .

Q: Calculate the change in entropy that occurs in the system when 1.00 mole of isopropyl alcohol…

A: Given data Number of mole of isopropyl alcohol : n = 1.00 mole Boiling point of isopropyl alcohol :…

Q: When 10 J of energy is transferred reversibly and isothermally. Calculate the change in entropy at…

A:

Q: Calculate the change in entropy that occurs in the system when 1.00 mole of diethyl ether (C4H10O)…

A: A compound has three phases. These forms are solid, liquid and gas. When one phase is converted to…

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

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Q: The entropy of a crystal containing one mole of identical molecules was measured to be 9.134 J/K at…

A:

Q: Choose the compound with the smallest standard molar entropy, S° (298.15 K). A) H2O (l) B) H2O (g)…

A: Entropy is the measure of disorder of molecules in a system. More the randomness, more will be the…

Q: Calculate the entropy change when Argon at 25 oC and 1 atm pressure in a container of volume 500 cm3…

A: The entropy change will be 6.743 J mol-1 K-1.

Q: Suppose a compound could point in any of three directions in the solid and still have the same…

A: • This problem is based upon the third law of thermodynamics.  • This law can be given as, Total…

Q: What is the precise definition of entropy? What is the significance of entropy being a state…

A: Entropy is a thermodynamic state function that determines randomness in a system.  When we raise…

Q: A reaction has a standard enthalpy change, ΔH, of +10.00 kJ/mol at 298 K. The standard entropy…

A: The relationship between enthalpy change (∆H), entropy change (∆S) , gibbs energy change (∆G) and…

Q: Consider the reaction: NH4Cl(aq)NH3(g) + HCl(aq) Using standard thermodynamic data at 298K,…

A: Interpretation -  To determine the  entropy change for the surroundings when 1.76 moles of NH4Cl(aq)…

Q: 1 mole of an ideal gas exist at a temperature (200 K) and at a constant volume . Calculate the…

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Q: The heat capacity, Cp, of liquid carbon disulfide is a relatively constant 78 J/(mol K). However,…

A: Solution In this question we use Third Law of Thermodynamics it tells us that as T → 0 K, S → 0.…

Q: Consider the general reaction at 26 degrees C: 2 A + 1 B → 3 C + 2 D ΔH reaction = -1,899 kJ…

A: Entropy is the measure of disorder or randomness of a system. The free energy change is given by,…

Q: What is the entropy change when 315 J of energy is reversibly transferred to a sample of water at…

A: Entropy change of a system for reversible process is given by  where ΔS = entropy change  Q = heat…

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: Calculate the change in entropy for 17 moles of gold if the temperature changes reversibly from…

A: Entropy of a system can be defined as the degree of randomness in that system. Joule per Kelvin is…

Q: How do you predict the entropy of a gas will change if a 2.0 L sample of that gas is compressed to a…

A: The entropy of a system is defined as the measure of randomness between the particles present in a…

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: 14. For mercury, the enthalpy of vaporization is 58.51 kJ/mol and the entropy of vaporization is…

A: The amount of heat required to convert substance present in liquid state to gaseous state is known…

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

A: Given reaction : Al2O3(s) + 3H2(g) → 2Al(s) + 3H2O(g) Now, we have to calculate ∆S°rxn(standard…

Q: The enthalpy change (ΔHrxn) for a certain reaction is 700.0 kJ/mol.  The same reaction has an…

A:

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: The normal boiling point of ethanol is 78.3˚C, and its molar enthalpy of vaporization is 39.3…

A: Boiling point is defined as the temperature at which the vapor pressure of a substance becomes equal…

Q: A typical resting person heats the surroundings at a rate of about 100 W. Estimate the entropy you…

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Q: Consider these two reactions: Reaction 1: 20F2(g) O2(g) + 2 F2(g) ΔΗ-49.4 k Reaction 2: N2(8) +…

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

A: Since you have posted multiple questions. we are entitled to answer the first only.

Q: In a certain spontaneous process, the system undergoes an entropy change of 4.2 J>K; therefore,…

A: For a spontaneous process, the entropy of a system is less than the entropy of surroundings.

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

A: Since in the question its not mentioned that in what unit the T is being substituted in Cp equation.…

Q: The entropy of vaporization of water is 109.0 J/mol · K. What is the enthalpy of vaporization of…

A: Given: Entropy of vaporization of water = 109.0 J/mol.K.

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: Consider the reaction N2(g) + 3H2(g)- →2NH3(g) Using standard thermodynamic data at 298K, calculate…

A: Please have a look on the solution:

Q: Which Substance would have the greatest standard molar entropy?   N2(I) NO2(I) NO2(g) N2(g)

A: To find: The substance having the greatest standard molar entropy N2 (I) NO2 (I) NO2 (g) N2 (g)

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

A: The increase of entropy per g. atom is to be calculated

Q: Calculate the change in the molar entropy of solid sodium chloride at constant pressure (1.00 bar)…

A: The solution of the question is given below: