The boiling point of 3 pure substances is given below: benzene C 6H 6 (80.1 °C), chloroform CHCI 3 (61.2 °C) and pyridine C 6H 5N (115 °C). Which of the following statements is true about their properties? O a. Benezene is most viscose among 3 liquids at 25 °C. O b. Pyridine has the lowest molar enthalpy of vaporization. OC. Chloroform has the greatest vapor pressure at 30 °C. d. At 50 °C, benzene is gas. e. Chloroform has the lowest evaporation rate at 25 °C.

Q: A sample of steam with a mass of 0.506 g at a temperature of 100 °C condenses into an insulated…

A:

Q: What amount of heat (in kJ) is required to convert 24.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: Given:-Mass of unknown liquid =24.2 gMM = 83.21 g/molInitial temperature = 19.2° CFinal temperature…

Q: 4- Consider the phase diagram given below. What phases are present at points A through H? Identify…

A:

Q: 6. A vapor volume of 1.17 L forms when a sample of liquid acetonitrile, CH3CN absorbs 1.00 kJ of…

A: Volume (V) = 1.17 L Boiling point= 81.6°C = 81.6 + 273 = 354.6 K Pressure (P) = 1.0 atm

Q: What amount of heat (in kJ) is required to convert 16.1 g of an unknown liquid (MM = 83.21 g/mol) at…

A: Answer:- This question is answered by using the simple concept of calculation of heat required using…

Q: What amount of heat(in KJ) is required to convert 15.5G of an unknown liquiq(MM=83.21g/mol) at 12.9…

A: Given information: Mass of given compound = 15.5 g Molar mass of given compound = 83.21 g/mol…

Q: P8.5 Are the two P-T phase diagrams shown in this probler likely to be observed for a pure…

A: Solution - According to the question - Given - First diagram - In the first diagram we can observe…

Q: What amount of heat (in kJ) is required to convert 13.3 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: What amount of heat (in kJ) is required to convert 13.0 g of an unknown liquid (MM = 83.21 g/mol) at…

A: Answer

Q: HBr (g), Kr (g), Cl2 (g), H20 (1), CH4 (g) (methane), CH3CH2CH2CH2CH3 (g) (pentane), N2 (g) Highest…

A:

Q: How much heat is required to evaporate 100.0g of liquid ammonia, NH3, at its boiling point if it's…

A: When a liquid converts into a vapor state it absorbs heat. The amount of heat absorbed when one mole…

Q: An autoclave is used to sterilize surgical equipment. Itis far more effective than steam produced…

A: In autoclave, the sterilization process is done using high pressure and steam, which kill…

Q: The plot of the logarithm of the vapor pressures of methanol against the reciprocals of the…

A: The slope of the plot of the logarithm of the vapor pressures of methanol against the reciprocals of…

Q: What amount of heat (in kJ) is required to convert 10.7 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: What amount of heat (in kJ) is required to convert 18.3 g of an unknown liquid (MM = 67.44 g/mol) at…

A:

Q: How much heat (in kJ) is required to convert 423 g of liquid H2O at 24.8°C into steam at 147°C?…

A:

Q: Chloroform, CHCl3, a volatile liquid, was once used as an anesthetic but has been replaced by safer…

A: The question is based on the concept of boiling. we have to identify the vapour pressure at the…

Q: What amount of heat (in kJ) is required to convert 14.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We have to calculate the amount of heat required.

Q: A student prepared a graph based on the vapor pressure of a liquid over a range of temperatures. The…

A: Given: y=-1941x + 10.6 To find: Heat of vaporization

Q: What amount of heat (in kJ) is required to convert 22.0 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: What amount of heat (in kJ) is required to convert 12.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We have to calculate the total heat required.

Q: How much energy (kJ) is needed to heat 25.0 g of isopropyl alcohol from -25.0°C to +90.0°C? Molar…

A: we have to calculate the energy needed to heat isopropyl alcohol

Q: What amount of heat (in kJ) is required to convert 25.8 g of an unknown liquid (MM = 83.21 g/mol) at…

A: Mass of substance M = 25.8 g  Molar mass = 83.21 g/mol  Normal boiling point = 57.3 degree C initial…

Q: Using the heat of vaporization of benzene, 395 J/g, calculate the grams of benzene that will…

A: Given that heat of vaporization of benzene is 395 J/g and also given that 9.28 k J is removed at its…

Q: Molar Heat of Vaporization H,O 40.7 kJ/mole NH, 23.4 kJ/mole Water and ammonia have different molar…

A: The amount of heat required to convert one mole of liquid to vapor form is called molar heat of…

Q: Which of the following substances would have the highest vapor pressure at 298 K? A) propanol (b.p.…

A: Vapour pressure of any substance is the partial pressure of the vapours present in equilibrium with…

Q: What amount of heat (in KJ) is required to convert 25.6g of an unknown solid (MM =83.21g/mol) at…

A: Heat will be used in three processes,  1)   rising of temperature of solid till freezing point. 2)…

Q: The molar heat of vaporization of acetone, C3H,O, is 30.3 kJ/mol at its boiling point. How many…

A:

Q: What amount of heat (in kJ) is required to convert 15.2 g of an unknown liquid (MM = 67.44 g/mol) at…

A: We know that, q=mass×specific heat+temp. change

Q: The molecular mass of butanol, C4H9OH, is 74.14; that of ethylene glycol, CH2(OH)CH2OH, is 62.08,…

A: The explanation is as given below:

Q: The Clausius-Clapeyron Equation (hopefully introduced to you in General Chemistry) can be used to…

A:

Q: Carbon tetrachloride, CCl4, was once used as a dry cleaning solvent, but is no longer used because…

A:

Q: What amount of heat (in kJ) is required to convert 20.9 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: What amount of energy is required to change 40.0 grams of liquid water at room temperature (23.0 o…

A: Given data contains, Mass of liquid water is 40.0 grams. Temperature is 23°C. Mass of steam is 40.0…

Q: What amount of heat (in kJ) is required to convert 10.7 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: 54. Butanol and pentane have approximately the same molar mass. However, the viscosity at 20 C of…

A: Butanol and pentane have approximately the same molar mass. However, the viscosity at 20oC of…

Q: H8. The enthalpy of vaporization of benzene, C6H6(l) is 33.9 kJ/mol at 298 K. How many liters of…

A: Given

Q: Match each numbered point in the phase diagram for com-pound Q with the correct molecular depiction…

A: The point 1 is present on the solid liquid curve, which is in accordance with the diagram C which…

Q: Which of the following pure substances has the highest normal boiling point? O a. KF Ob.H 20 Oc. CSF…

A: The boiling point has depends upon ionic character so CaF2 has highest normal boiling point.

Q: What amount of heat (in kJ) is required to convert 16.5 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: The boiling points of some common substances are as follows: Ethanol, C2H5OH 78.4°C Ethylene glycol,…

A:

Q: What amount of heat (in kJ) is required to convert 12.6 g of an unknown liquid (MM = 67.44 g/mol) at…

A: Given: The mass of liquid=12.6 g The  heat capacity of liquid = 1.18 J/g°C The specific heat…

Q: Q. 2. How does temperature influence the surface tension and viscosity of ionic liquids and their…

A:

Q: Naphthalene, an organic substance often used in mothballs, has a heat of fusion of 35.7 cal/g (149…

A: Mass of naphthalene can be calculated from the given Number of moles and molar mass:

Q: 2) You are given the following data. Which of the liquids would you expect to have the highest vapor…

A: Boiling point :- The temperature at which the vapor pressure of anyliquid is equal to atmospheric…

Q: -10 Chrome File Edit View History Bookmarks G Google C The vapor X Galeks login X C…

A:

Q: What amount of heat is required to convert 10.9 g of an unknown liquid (MM 83.21 g/mol) at 19.2°C to…

A:

Q: What amount of heat (in kJ) is required to convert 18.2 g of an unknown liquid (MM = 67.44 g/mol) at…

A: Given data: Mass of liquid (m) = 18.2 g, Molar mass of liquid (MM) = 67.44 g/mol, Initial…

Q: A sample of C₃H₄Br₂ has a normal boiling temperature of 131.5 °C. The enthalpy of vaporization for…

A: