The molar heat capacity of N2(g) in the range 200K to 400K is given by Cpm (J/Kmol)= 28.58+3.77*10^-3 (T/K). Given that the standard molar entropy of N2(g) at 298K is 191.6 J/Kmol, change in enthalpy (H), and change of entropy of the system (Ssys) when the temperature is raised from 25C to 100C under a) constant pressure and b) constant volume.

Q: Cakulate the standard reaction entropy at 298 K of the fermentation of glucose to ethanot CH:O(s)…

A: The given reaction is, C6H12O6(s)→2C2H5OH(l) +2CO2(g) From standard thermodynamics data molar…

Q: Given that the Gibbs energy is a function of temperature and pressure G(T, P), estimate the change…

A: Gibbs free energy is a thermodynamic parameter which helps us in finding the maximum work done by a…

Q: 7) The equilibrium constant for a chemical reaction was found to depend on tempera- ture over the…

A: This problem is based on Thermodynamics and here we will be using second law of thermodynamics to…

Q: Consider the reaction Co(g) + H20(1)–→CO2(g) + H2(g) for which AH° = 2.800 kJ and AS° = 76.80 J/K at…

A: Given ∆Ssys = 76.80 J/K Temperature, T = 298.15 K Enthalpy change,  ∆H = 2.800 kJ * (1000 J/1 kJ) =…

Q: The temperature of 5.85 moles of a monatomic gas decreases from T1 to T2 during a reversible…

A: Given that,  Number of moles, n=5.85 moles Molar specific heat (Cv) = 12.5 J/mol.k γ = 5/3V=16v∘

Q: The atomic heat capacity of solid Mo is given by the equation 0.503 x 105 T² Cp = 5.69 + 1.88 x 10-3…

A:

Q: Calculate the change in entropy of a system when 2 mol water vapour at 150 ⁰C is cooled down to -10…

A: I have given the answer in the explanation section. Hope you  will understand that.

Q: Determine the change in entropy for the reaction, AS pn = 2967.60 J/K N2 O4(g) → N2(g) + 2 O2(g) at…

A: Given: Temperature = 450 K N2O4(g)→N2(g)+O2(g)             ∆Srxn°=2967.60 J/K   Heat capacities:…

Q: The change in the entropy of the surroundings is found by klnW O A G/ T Ο -ΔΗΓ O - AG/ T

A: The change in the entropy of the surroundings is found by

Q: PE6.2 Calculate the standard molar Gibbs free energy change (AGran) at 298 K and at 400 K for the…

A: Standard molar Gibbs free energy change, is the change in free energy which occurs when one mole of…

Q: The standard entropy change, \Delta SoT, of the chemical reaction: CH4(g) + 202(g) - CO2(g) +…

A: The objective of the question is to determine the correct formula for calculating the standard…

Q: Calculate the change in entropy of the system, the surroundings and the total change in entropy when…

A: Here we have to determine the entropy change of system, surrounding and total entropy change of the…

Q: The reduction of iron(III) oxide (Fe₂O3) to pure iron during the first step of steelmaking, 2…

A:

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

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

Q: The standard enthalpies of formation, at 25.00 oC, of methanol (CH4O(l)), water (H2O(l)), and carbon…

A:

Q: The molar heat capacity at constant pressure of H2O (g) at 1.00 atm is given approximately by the…

A: Given data  Cp = 30.54 + 1.03 * 10 ^ - 2 * T Number of mol = 2 mol Pressure = 1 atm T1= 300k T2=…

Q: 1. One mole of an ideal gas expands isothermally at T = 20°C from 1.1 m³ to 2.1 m³. The gas constant…

A:

Q: What is the change in entropy when I mole of water at 0 °C is heated to form steam at 110°C at…

A:

Q: calculate the molar entropy of an ideal gas

A: Entropy is the measure of randomness or disorder.letter S is used for the entropy .molar entropy is…

Q: part a and b

A: N2 gas has =1.4/28 mol                   = 0.05 mol                                         constant…

Q: 2) The first law states that the energy of the universe is a constant (AU = q + w) while the second…

A:

Q: E3B.3(b) Estimate the change in the molar entropy of N₂(g) when the temperature is lowered from 298…

A:

Q: For the chemical reaction Al203(s) + 3H2(g,p= 1 bar) → 2Al(s) + 3H2O(1) at T = 298 K, answer each of…

A:

Q: The molar heat capacity of N2(g) in the range 200K to 400K is given by Cpm (J/Kmol)=…

A: The objective of the question is to calculate the thermodynamic quantities.

Q: Calculate the total molar entropy change (in J mol-¹ K-¹) when 1.0 mol of supercooled H₂O freezes at…

A:

Q: The reduction of iron(III) oxide (Fe2O3) to pure iron during the first step of steelmaking, 2…

A: Step 1:Given chemical equations are;2Fe2O3 (s) → 4Fe(s) + 3O2(g)C(s) + O2(g) → CO2 (g) On combining…

Q: Calculate ΔStotal (for the system) when the state of 0.8 mol diatomic perfect gas molecules, for…

A: Given-> Cp,m = 7/2R T1= 25°C = 25 + 273 = 298 K T2= 135°C = 135 + 273 = 408 K P1= 1.50 atm P2=…

Q: None

A: 2. Find the oxygen required for iron reduction:We need to know how much oxygen is needed to reduce…

Q: At 298 K, this reaction to produce phosphoryl chloride has a standard enthalpy of A,H° = -620.2 kJ…

A:

Q: The Gibbs free energy change expression is given by the following equation: S ΔG= ΔS-ΙΔΗ Δ G =…

A: The correct  expression is : ΔG = ΔH - TΔS ---> option(C)

Q: entropy

A:

Q: 7) The atomic heat capacity of solid Mo is given by the equation Cp = 5.69 + 1.88x10-3 T – 0.503x10s…

A: Given:       Atomic heat capacity of solid Mo is given by equation,   Cp=5.69 + 1.88×10^-3T -…

Q: 1.65 mol of a perfect gas for which Cv,m = 12.47 J K–1 mol–1 is subjected to two successive changes…

A:

Q: The standard entropy of Fe(s) at 298 K is 27.30 J K mol. Assume that the heat capacity of Fe(s) is…

A: Standard Entropy:  It is defined as the entropy or degree of randomness of one mole of a sample…

Q: The standard molar entropy of liquid water at 273.15 K is 65 J K−1 mol−1 , and that of ice at the…

A:

Q: (ii) The standard enthalpy of formation of HCI(g) at 298 K is equal to -93.2 kJmol. Calculate the…

A: Given, Cp(H2) = 27.28 + (3.25 x 10-3 T) + (0.5 x 105 T-2) J.K-1.mol-1 Cp(Cl2) = 36.90 + (0.25 x 10-3…

Q: Expression of molar heat capacity at constant pressure for a given gas Cp= a+bT-cT? The values of a,…

A: