The heat capacity of chloroform (trichloromethane, CHCl3) in the range 240 K to 330 K is given by Cp,m/(J K–1mol–1) = 91.47 + 7.5 ´ 10–2 (T/K). In a particular experiment, 1.00 mol CHCl3 is heated from 273 K to 300 K. Calculate the change in molar entropy of the sample.

Q: The molar entropy of argon (Ar) is given by Sm= 36.4 + 20.8 In T (in SI units). Calculate the change…

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Q: The molar entropy of argon (Ar) is given by Sm = 36.4 + 20.8 ln T (in SI units). Calculate the…

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

A: The heat energy gets measured in J/K and not available for performing useful work is basically…

Q: A monatomic perfect gas at a temperature T; is expanded isothermally to twice its initial volume. To…

A: Given: The initial volume is (V1) = V; The final volume is (V2) = 2 V Initial temperature is (T1) =…

Q: Give an example to show the difference between the three types of specification of a system, the…

A: Macroscopic means large things visible to the naked eye while microscopic means tiny things not…

Q: The temperature dependence of the heat capacity of non-metallic solids is found to follow the Debye…

A: At very low temperature heat capacity of non metallic solids is described by Debye T3 law. Heat…

Q: Estimate the increase in the molar entropy of O2(g) when the temperature is increased at constant…

A: Given: T1 = 298 K T2 = 348 K Cp = 29.355 J/K*mol

Q: 5. Under what conditions (a) is dA < 0 the appropriate criterion for spontaneity? (b) is dG <0 the…

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Q: Calculate the change in molar entropy when a sample ofargon is compressed from 2.0 dm3 to 500 cm3…

A: Molar entropy change of the gas: ∆S =2.303 Cv log T2T1+2.303 R log V2V1  ∆S =2.303 ×3  log…

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: 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: Given information: Standard molar entropy of water = 65 J/K.mol Standard molar entropy of ice = 43…

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: A sample of carbon dioxide that initially occupies 15.0 dm3 at 250 K and 1.00 atm is compressed…

A: Find the number of moles of gas.

Q: Estimate the standard internal energy of formation of liquid methyl ethanoate, CH3COOCH3, at 298 K…

A: Interpretation: The standard internal energy of formation of liquid methyl ethanoate, CH3COOCH3, at…

Q: Calculate the change in entropy (in J/⁰F) when 340g of ethanol (46 g/mol) is cooled from 50 to 40 ⁰C…

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Q: 4. Calculate the change in entropy if 3 moles of a gas undergo an isothermal, reversible expansion…

A: Entropy is a measure of randomness of system due to excess of energy in it  In isothermal condition…

Q: The entropy of argon is given to a good approximation by the expression Sm (in J/K•mole) = 36.36 +…

A: Solution - = -3891.32 J/mol = -3891.32*10^-3kJ/mol Answer = -3.89 kJ/mol

Q: What is the reversible work, in joules, for the expansion of 2.50 mol of an ideal gas from 4.7 bar…

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Q: Calculate the entropy change (in J/K) when argon at 25oC and 1.0 bar in a container of volume of…

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Q: Calculate the change in entropy of the system when 10.0 g of ice at −10.0 °C is converted into water…

A: 1)10.0g of ice at -10°C is converted to ice at 0°C Number of moles 'n' = 10 g18.0 g/mole=0.56 moles…

Q: Estimate the enthalpy of vaporization of water at 92.9 °C from its value at 25 °C (44.01 kJ mol−1),…

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Q: A sample of aluminium of mass 1.00 kg is cooled at constant pressure from 300 K to 250 K. Calculate…

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Q: The heat capacity of trichloromethane in the range 240 K to 330 K is given by the equation: Cp,m (J…

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Q: Question attached

A: Given reaction                                                     C6H12O6(s) ===&gt; 2 C2H5OH(liq)…

Q: Consider the reaction: 2H;(R) + O;(g)→2H;O(g) Using standard absolute entropies at 298K, calculate…

A: Interpretation: Using standard absolute entropies at 298K, the entropy change for the system when…

Q: For an isothermal and isobaric process that has AU = 100 kJ/mol, AH = 125 kJ/mol and AS = 225…

A: In thermodynamics, the Helmholtz free energy is a thermodynamic potential that measures the useful…

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: Use the molar constant volume heat capacities for gases given in Topic 4C (as multiples for R) to…

A: The change in enthalpy (ΔH) of each reactant and product is calculated using equation (1). The molar…

Q: In the expression, S = k In W, W is caled the number of microstates. Explain clearly the meaning of…

A: The system can exist in a discrete (but possibly infinite) set of microstates. A microstate defines…

Q: 2. The molar entropy of argon (Ar) is given by Sm = 36.4 + 20.8 In T (in SI units). Calculate the…

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Q: Calculate the change in molar entropy when a sample of argon is compressed from 2.0 dm3 to 500 cm3…

A: The formula used to calculate the molar entropy change in the form of temperature and volume is: ∆S…

Q: Find the change in entropy ( in kJ K-1) for the condensation of 2.3 g of water at 100 °C, if the…

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Q: The standard enthalpy of formation of HCe (g) at 298 K is equal to -92.3 kJ mol-4. The…

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Q: Calculate the change in entropy when heating 100g of iso-butane from 300k to 400k at constant…

A: Given -   Mass of iso-butane = 100 g   Initial temperature = 300 k   Final temperature =  400 k

Q: Calculate the molar entropy of a constant-volume sample of argon at 270 K given that it is 154.84 J…

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Q: for the reaction Cr(C6H6)2 (s) → Cr(s) + 2 C6H6 (g) ArU© (583 K) = + 8.0 kJmol-1. find the…

A: The explanation is given below-

Q: Estimate the enthalpy of vaporization of water at 100 °c from its value at 25 °c, 44.01 kJ mol-1,…

A: Vaporization is defined as the physical process where liquid state converts to gaseous state at a…

Q: The molar heat capacity of trichloromethane (chloroform, CHCl3) in the range 240 K to 330 K is given…

A: Given: The molar heat capacity of trichloromethane is expressed as, Cp,m=91.47+7.5×10-2TK-1 Where,…

Q: Consider the reaction: 3-entro NHẠNO3(aq)N,0(g) + 2H20(1) Using standard absolute entropies at 298K,…

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Q: What is the difference in entropy between 1 mole of N2 at standard conditions and 1 mole of N2 at…

A: Given, Cp=52R and it is mentioned that the Nitrogen gas is taken at standard condition. Therefore,…

Q: The Heat Capacity of a solid is CP = 125.48 J K−1. What is the change in its entropy if it is heated…

A: Heat capacity of a substance is defined as the amount of heat required to raise the temperature of a…

Q: Question attached

A: Given reaction C6H12O6(s) →2 C2H5OH(liq) + 2 CO2(g) Standard molar entropy of component…