20. Consider the substances H,O, KI, H;S, CH4. Which answer has the substances arranged in order of DECREASING boiling point?

Q: The heat of vaporization for benzaldehyde is 48.8 kJ/mol, and its normal boiling point is 451.0 K.…

A: Interpretation: The heat of vaporization for benzaldehyde is 48.8 kJ/mol, and its normal boiling…

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: The vapor pressure, ?P, of bromine at several temperatures, ?T, is given in the table. Use this…

A: Solution Rearrange equation (1) as follows:  …… (2) Substitute  for ,  for ,  for ,  for  and  for…

Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 340.5…

A:

Q: The phase diagram of a hypothetical substance is (a) Estimate the normal boiling point and freezing…

A: a.

Q: Arrange these substances in order of increasing boiling point utilizing the concept of…

A: Boiling point of a substance is defined as the temperature at which the vapour pressure of liquid…

Q: The molar heat of fusion of benzene (C6H6) is 9.92 kJ/mol. Its molar heat of vaporization is 30.7…

A: The question is based on the concept of chemical thermodynamics. We have  to calculate  heat…

Q: Directions: Use and interpret the phase diagram below to answer the following questions. Write your…

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

Q: 12.83 Consider the phase diagram shown for substance X. (a) What phase(s) is (are) present at point…

A: Given: A phase diagram:

Q: The phase diagram of a hypothetical substance is shown below. 1.0F 0.5 ssure (atm)

A: A graphical representation of the physical states of a substance under different conditions of…

Q: Reler to the phase diagram below when answenng the questions on this worksheet. Begin by adding S,…

A: A substance can exist in 3 different phases- solid,liquid,gas.Phase diagram describes effect of…

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: Consider the phase diagram for an unknown substance provided in the questions below. Which point in…

A: The phase diagram given is,

Q: The molar heat of fusion of sodium metal is 2.60 kJ/mol, whereas its heat of vaporization is 97…

A: The required heat amount for altering the substance's state from one into another state is termed as…

Q: 22. The molar enthalpy of vaporization of an organic compound is 2kJ/mol, and its normal boiling…

A: The molar enthalpy of vaporization of an organic compound is, ∆Hv=2kJ/mol∆Hv=2000 J/mol The normal…

Q: Given the information below, sketch the phase diagram of Nitrogen: Triple point: 0.1252 atm, -210°C…

A: The diagram which shows the physical change of substance at a particular temperature and pressure is…

Q: Copper-gold alloy undergoes a phase transformation as temperature is increased. Two types of…

A: Solution: We know the crystal have regular arrangement of atoms are somewhat more stable than that…

Q: Calculate the amount of heat energy (in kJ) required to convert 25.7 g of water at 65.6ºC to steam…

A:

Q: Which of the following graphs best represents the change in the total energy vs. temperature as N₂O…

A: In the given phase diagram of N2O, The far left region shows the solid phase of N2O. The far right…

Q: How many grams of ethanol, C2H5OH,C2⁢H5OH, can be boiled with 369.4 kJ369.4 kJ of heat energy? The…

A: Given: Heat energy = 369.4 kJ Molar heat of vaporization of ethanol = 38.6 kJ/mol Known: Molar mass…

Q: The large circle in the center of the phase diagram represents which point? В 1 A Temperature (°C) o…

A: Given diagram,

Q: Consider the substances H2O, KI, H2S, CH4. Which answer has the substances arranged in order of…

A: The boiling point of any substance is defined as the temperature at which the vapour pressure of the…

Q: 9. Consider the phase diagram a. What phase(s) is/are present at point A? P D. A В b. What phase(s)…

A: Since you have posted question with multiple subparts. So, as per guidelines we can answer three…

Q: The normal boiling point of a substance is 433 °C. Calculate the pressure at which this substance…

A: this solution is done using the clausius-clapeyron equation .

Q: 12.41 Which substance has the higher boiling point? Explain. (a) CH,CH,OH or CH,CH,CH, (c) H,S or…

A: The properties like boiling and melting point depend upon the type strength of intermolecular force…

Q: For pentane, the ∆H° of vaporization is 26.22 kJ/mol and the ∆S° of vaporization is 87.88 J/mol･K.…

A: Given, standard enthalpy of vaporization ∆H°(vap) =26.22 kJmolstandard entropy of vaporization…

Q: List the following substances in order of increasing normal boiling points, Tb, and explain your…

A: The boiling point of a  molecule is determined by the intermolecular forces present between them.…

Q: Based your answer on the phase diagram of carbon dioxide a. What is the lowest temperature at which…

A: The Phase Diagram of Carbon Dioxide:  The triple point -56.60C and 511 atm. It means that liquid CO2…

Q: If 42.0 kJ of heat is added to a 32.0-g sample of liquid methaneunder 1 atm of pressure at a…

A: Introduction: Specific heat equation: The specific heat is the quantity of heat per unit mass…

Q: 1. 0.17 m Fe(NO3)2 A. Highest boiling point 2. 0.18 m ZnBr2 B. Second highest boiling point 3. 0.14…

A: Given :  Match the following questions :

Q: What is the strongest interparticle force in each substance?(a) Kr(b) BrF(c) H₂SO₄

A: (a) Kr is a noble gas and it is highly inert . So, the forces are arises is due to the motion of…

Q: Which of the following liquid substances has the highest vapor pressure at its normal boiling point?…

A: Vapour pressure of a liquid is defined as the tendency of phase change of liquid substance to…

Q: Use the phase diagram of Substance X below to find the pressure at which the boiling point of X is…

A: The diagram which represents the thermodynamic conditions of a substance (X) at a different…

Q: At three different temperatures, T1, T2, and T3, the moleculesin a liquid crystal align in these…

A: (a) The rigid molecules that are in rod-shaped because of presence of multiple bonds and aromatic…

Q: Which of the following liquid substances has the highest vapor pressure at its normal boiling point?…

A: Boiling point is the temperature at which vapor pressure of liquid becomes equal to atmospheric…

Q: 5- What is the the boiling point of toluene for a pressure of 320 mmHg. Assume the normal boiling…

A: Given:  Normal boiling point (T1) = 75.1°C = 348.1 K  Initial Pressure (P1) = 1 atm  = 760 mm Hg…

Q: 1241 Which substance has the higher boiling point? Explain. (a) CH,CH,OH or CH;CH,CH, (c) H,S or…

A: Interpretation: Which substance has the higher boiling point is to be determined and explained.

Q: The normal boiling point of mercury (Hg) is 356.7 °C. What is the vapor pressure of mercury at 327.5…

A: In this question, we want to determine the vapor Pressure of mercury at 327.5°C in atm unit.  You…

Q: List the following substances in order of increasing normal boiling points, Tb, and explain your…

A: The  increasing order of normal boiling points:   He   <  Ar  <  SO2   <  HF  <  CaF2…

Q: D. Explain what is meant by 'normal boiling point in terms of vapor pressure of a liquid vis-a- vis…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…