Ethanol has a normal boiling point of 78.3 C. Why is the normal boiling point higher than methanol but lower than iso-propanol listed above? Would you expect the heat of vaporization of ethanol to follow the same trend?

Q: What is the heat of vaporization for a liquid and why is it useful?

A: The vaporization is the transition process where liquid converted to vapor phase. The heat of…

Q: Given that the normal boiling point of CH3COCH3 is 56 °C, which of the following statements about…

A: Solutions Hence option (B) is correct answer The entropy of the surroundings increases

Q: quid mercury solidifies at –38.83 °C and boils at 356.73 °C. Identify the type(s) of phase(s)…

A: Here we have to determine the state of mercury if 3.57 Kj  heat is removed 10 g mercury vapour at…

Q: How much energy needs to be removed to turn 10g of water vapor into a liquid at the condensation…

A: Answer: amount of energy need to be remove is - 5400 cal or - 22593.6 Joule. (-) Negative sign…

Q: How much heat must be absorbed to warm 25.0g of liquid methanol (C= 2.53 J g/k) from 30° to its…

A: Heat required to rise the temperature of methanol, Q1 = mc∆T , c = 2.53 J/gm.K, m = 25 gm, ∆T =…

Q: Which of the following substances would have the lowest vapor pressure at 298K?   A. Acetone…

A:

Q: The normal boiling point of ethanol, CH 3CH 2OH is 78.3°C. What would the boiling point of ethanol…

A: The clausius –clapeyron equation is given below.

Q: 12. Patients with a high body temperature are often given "alcohol baths". The heat of vaporization…

A: Heat of vaporization means the heat required to covert a fixed amount of liquid to gas.

Q: The heat of vaporization of a liquid is 1344 J/g. What is the minimum number of joules needed to…

A: Given Mass = 40 g Heat of vaporization = 1344 J

Q: At normal pressure, what is the total amount of heat in Joules that must be added to 66 grams of…

A: At constant pressure, enthalpy change (ΔH) or the heat of the reaction (q) is given by: where m is…

Q: Carbon disulfide, CS2, is a colorless, toxic, highly volatile, and flammable liquid. What is the…

A: Given, CS2(l) ➝ CS2(g) ; ∆H° = ? ∆Hf°[CS2(l)] = 89.7 kJ/mol ∆Hf°[CS2(g)] = 116.9 kJ/mol Heat of…

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

A:

Q: Consider the phase diagram of carbon dioxide. What is the critical temperature of carbon dioxide?…

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure…

Q: A 523.70 g sample of acetone gas has a temperature of 56.0°C. How much heat is involved in…

A: Data given: Formula: C3H6O Melting Point: -94.0°C Boiling Point: 56.0°C Density of liquid: 0.791…

Q: Given that the normal boiling point of CH3COCH3 is 56 °C, which of the following statements about he…

A: The normal boiling point of CH3COCH3 is 56oC and the process is given as : CH3COCH3g,74oC,1 atm…

Q: The greater the molar heat of vaporization of a liquid, the greater its vapor pressure. Is this true…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: The boiling point of acetic acid is usually stated to be 118°C. Is it possible to have acetic acid…

A: The liquid state of any substance is changed to its vapor state, when the atmospheric pressure…

Q: . Ethane (C2H) has a heat of vaporization of 14,707 kJ g mol at 184.6 K. What is the estimated heat…

A:

Q: How much energy is required to vaporize 158 g of butane (C 4H 10) at its boiling point, if its ∆H…

A: Formula for energy required vaporized = moles × ΔHVap

Q: Which substance exhibits stronger attractive intermolecular forces?  SiF4  SiCl4 Which substance has…

A: Thus for vaporization, higher temperature is required for the silicon tetrachloride rather than…

Q: The boiling point of acetic acid is usually stated to be 118oC. Is it possible to have acetic acid…

A: Yes, all we have to do lower the air pressure and we can depressed the boking point of any liquid.

Q: he boiling point of three compounds are given below.                            Compound A…

A: The temperature at which the vapor pressure of the liquid becomes equal to the atmospheric pressure…

Q: Given that the normal boiling point of CH3CH2CH2CH2NH2 is 77 °C,  which of the following statements…

A: Overall process is:

Q: molar heat of vaporization of carbon CS2 is 28.4 kJ/mol at its nomal boiling point of 46 degrees…

A: The energy is required to vaporize one mole of liquid is known as molar heat of vaporization.

Q: The following information is given for antimony at 1 atm: AHvap(1440 °C) = 195 kJ/mol AHfa(631 °C) =…

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Q: Chloroform, formerly used as an anesthetic and now believed to be a carcinogen, has a heat of…

A:

Q: Rank the elements or compounds in the table below in decreasing order of their boiling points. That…

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Q: The following information is given for antimony, Sb , at 1 atm: Boiling point = 1440.0°C   Heat of…

A: SOLUTION Mass of liquid antimony = 44.9 g Heat of fusion = 38.5 cal/g Energy removed = 38.5…

Q: 2.The heat of sublimation for carbon dioxide is 32.3 kJ/mol. Calculate the mass of solid dry ice…

A: We will calculate mass of CO2

Q: The melting point of dibromomethane is -53 °C and its ­boiling point is 97 °C. a) What is the state…

A: Answer the given questions from the given data. Given: The melting point of dibromomethane is -53 °C…

Q: How much heat is required to vaporize 54.9g of acetone at its boiling point? The heat of…

A:

Q: What quantity of heat, in kJ, is required to convert 28.0 g of ethanol (C₂H₅OH) at 23.0°C to a vapor…

A: Concept: The branch of chemistry that deals with the structure, properties and the reaction of the…

Q: Methanol, CH3OH, a colorless, volatile liquid, was formerly known as wood alcohol. It boils at…

A:

Q: 4.How much energy is required to vaporize 48.7 g of dichloromethane (CH2Cl2) at its boiling point,…

A: # We have 48.7 g of the dichloromethane, and ∆Hvap is 31.6 KJ/mol # we have to calculate the amount…

Q: convert 41.0 g of ethanol (C₂H₅OH) at 23.0°C to a vapor at 78.3°C (its boiling point)? (specific

A: We have to find heat, in kJ, is required to convert 41.0 g of ethanol (C₂H₅OH) at 23.0°C to a vapor…

Q: Why does steam at 100 °C cause a more severe burn than liquid water at 100 °C?

A: The state of matter in which the chemical and physical properties are uniform throughout is known as…

Q: The standard heat of vaporization for water is 40,700J/mol. What is the boiling point of water at a…

A: By Clausius-Clayperon equation lnP2P1= △HR(1T1- 1T2) △H=Heat of vaporizationP2 = Final  pressureP1=…

Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 341…

A: Normal boiling point of Mercury = 356.7oC Final temperature of mercury      = 341oC Enthalpy of…

Q: The greater the molar heat of vaporization of a liquid, the greater its vapor pressure. Is this true…

A: It is not true.  Explanation  As higher the molar heat of vaporization,  .more is the intermolecular…

Q: Use the phase diagram for water to answer the following: 1. At what temperature and pressure does…

A:

Q: What quantity of heat is required to convert 49 g of ethanol (C₂H₅OH) at 23.0°C to a vapor at 78.3°C…

A: Given : Initial temperature of ethanol = 23.0 oC  Final temperature of ethanol = boiling point…

Q: 20. Consider the substances H,O, KI, H;S, CH4. Which answer has the substances arranged in order of…

A: KI is an ionic compound. H2O and H2S are polar and both have diople-diople interactions. CH4 is a…

Q: The normal boiling point of hexane is 69.0°C. Estimate: Its enthalpy of vaporization The vapor…

A: According to Trouton’s Rule, the change in the entropy of any substance at its normal boiling point…

Q: The heat of vaporization of water at the normal boiling point, 373.3K, is 40.66kJ/mol. The specific…

A: For any specific compound that possess an amount of 1.0 , the heat energy (q) that is required for…

Q: The vapor pressure of mercury at 298 K is 0.00270 mmHg. If the normal boiling point of mercury is…

A: Use Clausius Clapeyron equation to solve this,ln P1P2 = ΔHvapR1T2 - 1T1 Given that,T1 = 298 K P1 =…

Q: What amount of ethylene glycol (C2H6O2) would vaporize while absorbing 480 kJ of heat? Heat of…

A: Given: Amount of heat absorbed = 480 KJ Heat of vaporization = 60 KJ/mol To find: Amount of ethylene…

Q: Consider the phase diagram of carbon dioxide. What is the critical temperature of carbon dioxide?…

A: In a phase diagram, the critical temperature point is defined as the point in temperature and…