The heat of fusion AH, of tetrahydrofuran (CH,O) is 8.5 kJ/mol. Calculate the change in entropy AS when 7.0 g of tetrahydrofuran melts at -108.5 °C. Be sure your answer contains a unit symbol and the correct number of significant digits.

Q: The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when…

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Q: The heat of vaporization AH, of acetonitrile (CH,CN) is 29.8 kJ/mol. Calculate the change in entropy…

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Q: The heat of vaporization AH, of heptane (C,H,6) is 31.2 kJ/mol. Calculate the change in entropy AS…

A: The change in entropy (in kJ/K) can be calculated from the heat of vaporization ∆Hv by the following…

Q: The heat of vaporization AH, of acetic acid (HCH,Co, is 41.0 kJ/mol. Calculate the change in entropy…

A: Interpretation: The heat of vaporization ∆Hv of acetic acid (HCH3CO2) is 41.0 kJ/mol. The change in…

Q: The heat of vaporization AH, of ethanol (CH3CH₂OH) is 38.6 kJ/mol. Calculate the change in entropy…

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Q: What is the entropy change, in J mol1 K1, when 100.0 g of water boils at 100.0 °C? (AHvaporization…

A: Since the entropy change is given by  ΔS = ΔHvaporization / Tboiling point  where Tboiling point =…

Q: Entropy changes cannot be measured with a calorimeter likê enth If the result upon calculation of…

A: 7. Entropy can be measured by using the formula, ∆S=qT Heat change can be measured calorimeter.…

Q: The heat of vaporization AH, of ethyl acetate (C4HO₂) is 35.1 kJ/mol. Calculate the change in…

A: Given, Heat of vaporization of ethyl acetate (∆Hvap) = 35.1 kJ/mol Change in entropy (∆S) = ? Mass…

Q: Part A An object at 20∘C absorbs 25.0 J of heat. What is the change in entropy ΔS of the object?

A: Since you have posted multiple questions as per guidelines we can answer only one per session . if…

Q: The heat of fusion AH, of water (H₂O) is 6.0 kJ/mol. Calculate the change in entropy AS when 2.4 g…

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Q: The heat of fusion AH, of ethyl acetate (C,H,O,) is 10.5 kJ/mol. Calculate the change in entropy As…

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Q: Elemental mercury is a silver liquid at room temperature. Its normal freezing point is -38.9 °C, and…

A: The normal freezing point of mercury is -38.9 C. The given mass of mercury is 50.0 g. The value of…

Q: The heat of vaporization AH, of butane (C4H₁0) is 21.0 kJ/mol. Calculate the change in entropy AS…

A: The change in entropy can be calculated as follows

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: The heat of vaporization AH, of methanol (CH,OH) is 35.3 kJ/mol. Calculate the change in entropy AS…

A: We have to predict the change in entropy.

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: The heat of fusion AH, of acetic acid (HCH,CO,) is 11.7 kJ/mol. Calculate the change in entropy AS…

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Q: The heat of vaporization AH, of toluene (C,H,CH,) is 38.1 kJ/mol. Calculate the change in entropy AS…

A: Solution- ∆Hv=38.1kJmol×1000J1kJ=38100JmolMass of toluene =32 gboiling point of Toluene =110.6oC +…

Q: The heat of fusion AH, of ammonia (NH,) is 5.6 kl/mol. Calculate the change in entropy AS when 460,…

A: Heat of fusion is defined as the amount of heat absorbed when 1 mol of solid water melts at 0°C to…

Q: The standard enthalpy of vaporization of Freon-12, CF2CI2, is 20.19 kJ/mol at its normal boiling…

A: ∆S =∆Hv T  Where     ∆S = Entropy change = ?  J/mol K   ∆Hv = 20.19 KJ/mol  x 1000 J/1 KJ  = 20190…

Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 59.4…

A: Change in entropy of universe is the sum change in entropy of system and surrounding.

Q: The heat of vaporization AH, of acetonitrile (CH,CN)is 29.8 kJ/mol. Calculate the change in entropy…

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Q: The normal boiling point of ethanol, C2H5OH, is 78.3 °C,and its molar enthalpy of vaporization is…

A: Record the given data, The given boiling point Tb = 78.3oC = 351.45 K ΔH = 38.56 kJ/mol = 38560…

Q: The heat of fusion AH, of acetone (OC(CH, is 5.7 kJ/mol. Calculate the change in entropy AS when…

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Q: The heat of vaporization AH, of heptane (C,H16) is 31.2 kJ/mol. Calculate the change in entropy AS…

A: Given: The heat of vaporization of heptane = 31.2 kJ/mol We have to calculate the entropy change…

Q: As shown here, one type of computer keyboard cleaner contains liquefied 1,1-difluoroethane 1C2H4F22,…

A: The degree of randomness is called entropy. Entropy in the high-pressure region is high due to the…

Q: The enthalpy of vaporization of methanol (CH3OH) is 35.3 kJ/mol at the boiling point of 64.2 °C.…

A: The vaporization can be defined as phase transition from liquid phase to vapor phase.

Q: The heat of fusion AH, of propane (C3Hg) is 3.5 kJ/mol. Calculate the change in entropy AS when 2.1…

A: Here we are required to find the entropy when 2.1gm of propane freeze

Q: Indicate whether each statement is true or false. The entropy change of the system is equal and…

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Q: The heat of fusion AH, of tetrahydrofuran (c,H,0) is 8.5 kJ/mol. Calculate the change in entropy as…

A: Hf = 8.5 kJ/ mol T = —108.5 ° c = —108.5 + 273. 15° C = 164.65 k

Q: The heat of vaporization AH, of methanol (CH,OH) is 35.3 kJ/mol. Calculate the change in entropy AS…

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Q: Propanol (C3H7OH) melts at -126.5 °C and boils at 97.4 °C. Assume you have 1 mol of substance. a.)…

A: Entropy is basically the randomness or movement of the molecule. It is not dependent on the path.…

Q: The heat of vaporization AH, of acetonitrile (CH, CN) is 29.8 kJ/mol. Calculate the change in…

A: Given data: Heat of vaporization of CH3CN = 29.8 kJ/mol Mass of CH3CN = 35 g Molar mass of CH3CN =…

Q: Calculate the change in entropy that occurs in the system when 40.7 g of acetone (C3 H6O) vaporizes…

A: entropy change calculation during the process of vaporization:

Q: The heat of vaporization AH, of acetic acid (HCH3CO₂) is 41.0 kJ/mol. Calculate the change in…

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Q: The heat of fusion AH, of acetone (OC(CH,).) is 5.7 kJ/mol. Calculate the change in entropy AS when…

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Q: The heat of vaporization AH, of acetic acid (HCH₂CO₂) is 41.0 kJ/mol. Calculate the change in…

A: Given,  The heat of vaporisation of acetic acid,  ∆Hv = 41.0 kJ/mol  Mass of acetic acid = 49 g…

Q: The heat of vaporization AH, of propane (C,H is 19.4 kJ/mol. Calculate the change in entropy AS when…

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Q: A goldfish swims in a large bowl of water at 20 °c . Over a period of time, the fish transfers 120 J…

A: The change in entropy of the water can be determined as follows, dS = dQ/T

Q: The entropy of vaporization for a certain organic compound is 15.7 J/Kmol, and the boiling point is…

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Q: Calculate the entropy change for the following process. H2O (s, 100 g, -10°C, 1bar) →H2O (s, 100 g,…

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Q: The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when…

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Q: Q.6 The standard enthalpy of combustion of solid urea (CO(NH2)2) is -632 kJ mol at 298 K and its…

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Q: If the entropy change for the reaction is ∆Ssys = −308.6 J mol-1 K-1  at 298,15 K,  what value…

A: Enthalpy as well as entropy are interrelated concepts that are linked together with Gibbs energy…

Q: Please consider 0.15 gm of Constantan (a Cu/Ni alloy widely used in thermocouples, c = 390 J/•K-kg)…

A: 0.15 g of Constantan was cooled through exposure to the lab atmosphere.

Q: The heat of vaporization AH, of acetonitrile (CH,CN) is 29.8 kJ/mol. Calculate the change in entropy…

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Q: The heat of fusion AH, of toluene (C,H,CH,) is 6.6 kJ/mol. Calculate the change in entropy AS when…

A: Given: ΔH = 6.6 KJ/mol to find change in entropy

Q: Propanol (C3H7OH) melts at -126.5 °C and boils at 97.4 °C. Assume you have 1 mol of substance. a.)…

A: Melting point of propanol is given as -126.5oC(146.5K) and boiling point is given as 97.4oC(370.4K)…