Show complete solutions and enclose all final answers in a box. Round off final answers to 4 decimal places and use floating values for intermediate answers. For a certain gas CP = 14.2 cal mole– 1 degree– 1. What will be the change in entropy of 15 moles of the gas when it is expanded from a volume of 250 liters at 3.7 atm pressure to a volume of 490 liters at 1.2 atm pressure?

Q: The heat of vaporization AH, of methanol (CH;OH) is 35.3 kJ/mol. Calculate th

A: If   vapourisation of methanol       CH3OH(l)     ⇔  CH3OH(g)    △Hv = 35.3 KJ/mol     then…

Q: One mole of a monoatomic ideal gas initially at 300 0K is heated to 500 0K. a) Calculate the change…

A: Specific heat capacity at constant volume Cv = 3R/2 Specific heat capacity at constant pressure Cp =…

Q: Which of the following processes should lead to an decrease in entropy of the surroundings? Select…

A: Entropy is a measure of the randomness or disorder of a system. The second law of thermodynamics…

Q: For a particular process, if the change in enthalpy is 215.0kJmol and the change in entropy is…

A: The change in the free energy of this particular reaction is 238.2 kJ/mol.Explanation:Given:…

Q: Calculate the change in entropy (in J K-¹) involved in heating 2 moles of an ideal gas from a volume…

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Q: ow: a. If a process leads to an increase in the entropy of the universe it will occur…

A: Entropy means randomness.  If number of gaseous moles increases in product side, then randomness…

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 5.00 °C is 92.4 kJ.…

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Q: A system is at an initial entropy of 375 J/K and undergoes a system change that results in a final…

A: Given that, Initial entropy = 375 J/K Final entropy = 840 J/K

Q: starting from the definition of Gibbs Free Energy, the 1st law of thermodynamics, the 2nd law of…

A: To derive the criteria for spontaneity for Gibbs free energy.

Q: * (g) = 2 A (g) + (g) At 400 K, Kp = 3.64 x 10-3 for this reaction. A reaction vessel contains 0.421…

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Q: Suppose that when you exercise, you consume 100 g of ghucose and that all the energy rekased as heat…

A: Enthalpy of combustion of glucose = -2805 KJ/molMolecular mass of glucose = 180g/molGiven mass =…

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

A: To determine ∆S , we would use formula to calculate ∆S for given conditions.

Q: Use the information provided in the table below to calculate the change in entropy of the universe…

A: To solve this problem  we have to first calculate  ∆Ssys and ∆Ssurr   As we know that  ∆Suniv  =…

Q: The vaporisation of a certain element at 24.0 oC has the following enthalpy and entropy values:…

A: Given,  Hvap = 3.40 kJ mol-1     Svap = 246 J K-1 mol-1. Temperature = 24.0 °c = 297 K Now, □Stotal…

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: 1. The value of the standard molar entropy of N₂(g) at 298K is 191.6 J/Kmole (Table 2C.7) a. If we…

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Q: The vaporisation of a certain element at 23.0 oC has the following enthalpy and entropy values:…

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Q: 1A. The following 3 parts pertain to the entropy change for a sample of neon gas initially at 250 K…

A: 1B.Steps required to calculate the Entropy change: 1. First we have to put the entropy change…

Q: CALCULATE THE CHANGE OF ENTROPY OF GAS WHEN 16.08g of N2 nitrogen expands isothermally from 0.82L to…

A: Given information, Mass of nitrogen (m) = 16.08 g Temperature (T) = 290.7 K Initial Volume (V1) =…

Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

Q: Given the equation: 4NH3(g) + O2(g) → 4NO(g) + 6H2O(g). What is the standard molar entropy change…

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Q: The equation for entropy is S = q/T The equation for Gibbs free energy is G = H - TS If you put…

A: In the realm of thermodynamics, understanding the intricate interplay between entropy, heat…

Q: A cup of hot water is left to cool in a room at 20 °C. If the cup contains 400 g of water initially…

A: Given: mass of water = 400 g Specific heat of water c = 4.182 J K-1 g-1 Temperature change ΔT = (20…

Q: If a system changes from two to six microstates, calculate the change in entropy for the process.…

A: Given data, Initial microstate (Winitial) = 2 Final microstate (Wfinal) = 6 The entropy of a system…

Q: 10.43 Which reaction occurs with the greater increase in entropy? Explain yo (b) Br,(g) + Cl,(g)→ 2…

A: 10.43 has been solved. For 10.47 b, more data is needed from the table.  Entropy is the measure of…

Q: 1. At 1.00 atm and 298.15 K, a solid substance with a molar volume of 100.15 cm3/mol with melting…

A: At 1.00 atm and 298.15 K, a solid substance with a molar volume of 100.15 cm3/mol with melting…

Q: For each chemical reaction listed in the first column of the table below, predict the sign (positive…

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Q: At 25 ̊C, the rhombic form of sulfur is the most stable form, which undergoes a transition at 95 ̊C…

A: Temperature = 25oC = 298.15 K = T ΔH = 0.402 kJ mol-1 = 402 J mol-1 Use this relationship to find ΔS…

Q: Calculate the entropy change associated with the isothermal compression of 0.720 mol of an ideal gas…

A: here the concept is entropy and given the condition is isothermal; compression ' so T=0, Constants…

Q: Which statements are true about entropy? More than one statement may be correct. The molar entropy…

A: The measurement of randomness is called entropy.

Q: The entropy change for the process H2O(s)⟶H2O(l) is 15.2 J/K and requires that the surroundings…

A: Reaction: H2O(s) ⟶ H2O(l) ∆Ssystem = 15.2 J/K ∆H = 38.6 KJ ∆STotal =? T = 76.3 °C = 76.3 + 273.15 =…

Q: What is the entropy of the process when 0.6831 moles of N 2 gas are compressed from 54.42 L to 28.11…

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Q: Select the substance that contains the greatest standard molar entropy in the gaseous state. O…

A: Correct option is - CH3CH2CH2CH2OH

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 20.0 °C is 86.1 kJ.…

A: Given, standard Gibbs free energy, ΔG° = 86.1 kJ           temperature, T = 20°C = 20 + 273 K = 293…

Q: How can we use Chemical Thermodynamics to explain different processes involving entropy?

A: Entropy : It is the measure of the total randomness  of the molecules or molecular disorder in a…

Q: Determine the change in entropy when the pressure of 18.5 g of gaseous N2 increases from 0.796 atm…

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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: Choose the correct answer out of the three options: Suppose an isolated system undergoes a change…

A: The entropy of the system is the degree of measurement of randomness or disorderness in the system.…

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

A: Given:

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

A: