What is the enthalpy of vaporization of sulfur dioxide; if it has a vapor pressure of 462.7 mm Hg at –21.0 °C and a vapor pressure of 140.5 mm Hg at –44.0 °C. (R = 8.314 J/K⋅mol).     6.33 kJ/mol     0.398 kJ/mol     14.0 kJ/mol     24.9 kJ/mol     39.8 kJ/mol     None of the above

Q: a) What is the heat of vaporization of carbon tetrachloride, in kJ?

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Q: 3. Water has a vapor pressure of 17.5 torr at 20 °C, at what temperature does water have a vapor…

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Q: (a) If 83.0 g of ice at 0.0oC is placed in 235mL of water at 28.0oC, find the final temperature of…

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Q: How much energy is required to vaporize 37.8 g of benzene (C6H6, molar mass = 78.0 g/mol) at the…

A: Mass of benzene  = 37.8 g molar mass of benzene (C6H6) = 78.0 g/mol boiling point of benzene = 80°C…

Q: The vapor pressure of acetone (C;H,O) at 39.5°C is 400 torr. (a) If the boiling point of acetone is…

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Q: The Δ?vap of a certain compound is 24.93 kJ · mol−1 and its Δ?vap is 70.25 J · mol−1· K−1. What is…

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Q: Liquid ethanol has a normal boiling point of 78.3 degrees celcius and has a heat if vaporization of…

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Q: 83. Solid iodine has a vapor pressure sublime into a 500 mL flask at this te constant temperature,…

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Q: Two students measure the vapor pressure of the same unknown organic liquid and compare results. The…

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Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Mass of water = 0.350 kg = 350 g Molar mass of water = 18 g/mol Moles of water = 350 g / 18 g/mol =…

Q: Determine the normal boiling point of a liquid with vapor pressure 63.8 mmHg at 36.50°C, given that…

A: Accoding to Clausius Clapeyron equation,At normal boling point, the vapor pressure equal= 760 mmHg

Q: Dry ice sublimes into carbon dioxide at -78.5 °C. What is true about the heat of the system (qsys)…

A: Sublimation is change of state  from solid to gas without changing to liquid state.

Q: calculate the quantity of energy in kj required to change 73.92 grams of liquid water at 38.8…

A: The liquid water is heated to raise the temperature from 38.8 to 100 degree Celsius. Then conversion…

Q: What is the vapor pressure of ethanol (in mmHg) at 42.3 °C if its vapor pressure is 400.0 mmHg at…

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Q: Determine the normal boiling point of a liquid with vapor pressure 63.8 mmHg at 56.50°C, given that…

A: Given: P1= 1 atm= 760 mm Hg P2= 63.8 mm Hg T2= 56.50°C= 56.50+273.15 K= 329.65 K ∆Hvap=43.5 kJ/mol…

Q: Determine the vapor pressure (in mmHg) of a substance at 19°C, whose normal boiling point is 101°C…

A: Expression for Clasius -Clapeyron equation   Where  p1 = Initial vapor pressure p2 = Final vapor…

Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 279.0 Torr at 45.0 °C. Calculate…

A: Given : We have to calculate delta H vaporization and normal boiling point.

Q: If 100.0 g of ice at -10.0°C is placed in 200. g of water at 90.0°C in an insulated container, what…

A: Given : Mass of ice = 100.0 g Initial temperature of ice = -10.0 oC Mass of hot water = 200 g And…

Q: The vapor pressure of ethanol, C2, H5, OH, at 50.0°C is 233 mm Hg, and its normal boiling point at 1…

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Q: The enthalpy of fusion of Na is 2 kJ/mol.  The enthalpy of vaporization of Na is 98 kJ/mol.…

A: Since the metal is converted from gas to solid  And since 2 moles of Na is being converted in the…

Q: If 100.0 g of ice at -10.0°C is placed in 200. g of water at 90.0°C in an insulated container, what…

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Q: the vapor pressure of water at 25 C is 3.13 x 10^-2 atm, and the heat of vaporization of water is 25…

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Q: For benzene, the AH° of vaporization is 30.72 kJ/mol and the AS° of vaporization is 86.97 J/ mol·K.…

A: Standard Gibbs Free energy change of the any reaction is given by the expression, ∆Go=∆Ho-T∆So

Q: 2. The boiling point of methanol is 338 K. What is the vapor pressure of methanol at 250 K, given…

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Q: How much heat is released ( in J) when 54.0 g of water at 10.0 °C is cooled to form ice at - 10.0…

A: Given the mass of water, m = 54.0 g  The initial state is water at 10.0 oC.  The final state is ice…

Q: A chemical, C2H5OH (l), is used to disinfect the skin prior to an injection. If a 2.00 g sample of…

A: Given,  The mass of ethanol ( C2H5OH) = 2.00 g.  The molar enthalpy of vaporization of ethanol =…

Q: he organic compound n-hexane, C6H14, boils at 69.0°C. What is its molar heat of vaporization in…

A: We have to calculate the molar heat of vaporization.

Q: How much energy is required to vaporize 188 g of butane (C 4H 10) at its boiling point, if its ΔH…

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Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 387.0 Torr at 45.0 °C. Calculate…

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Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 C and 207.0 Yorr at 45.0 C. Calculate the…

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Q: For benzene, the AH° of vaporization is 30.72 kJ/mol and the AS° of vaporization is 86.97 J/mol·K.…

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Q: the vapor pressure of water is 44.2 atm at 454.9 K, and the vapor pressure of water is 51.5 atm at…

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Q: What is the vapor pressure of ethanol (in mmHg) at 58.9 °C if its vapor pressure is 400.0 mmHg at…

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Q: The AHvap of a certain compound is 37.33 kJ · mol-1 and its ASwap is 50.19 J· mol-1. K-1. What is…

A: Given,

Q: What is the vapor pressure of ethanol (in mmHg) at 43.5 °C if its vapor pressure is 400.0 mmHg at…

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Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

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Q: The vapor pressure of water is 41.1 atm at 274.1 K, and the vapor pressure of water is 71.4 atm at…

A: Given data is as follows: The vapor pressure P1 of water at temperature , T1 = 274.1K = 41.1 atm The…

Q: The Δ?vap of a certain compound is 14.17 kJ·mol−1 and its Δ?vap is 93.89 J·mol−1·K−1. What is the…

A: The entropy change accompanying the change in phase from liquid phase to vapor phase is called the…