(c) Is methane a solid, liquid, or gas at 1 atm and 0 °C? (d) If solid methane at 1 atm is heated while the pressure is held constant, will it melt or sublime? (e) If methane at 1 atm and 0 °C is compressed until a phase change occurs, in which state is the methane when the compression is complete?

Q: Sketch the phase diagram for carbon dioxide. If you have carbondioxide at 1.0 atm and 25 °C, could…

A:

Q: Octane (C8H18), an important component of gasoline, is a flammable compound with a boiling point of…

A: Octane is an aliphatic compound which is an important component of gasoline.

Q: acetone has a vapor pressure of 187 torr at 20 degrees celsius. It freezes at negative 95 degrees…

A: Boiling point of acetone = 560C At this temperature, the vapor pressure of acetone = atmospheric…

Q: How much heat in KJ is needed to convert 150 grams of frozen acetone at -100oC  to vapor at 80oC.…

A: We will write changes and then calculate heat of each to get total heat.

Q: Ethylene glycol (HOCH2CH2OH), the major substance inantifreeze, has a normal boiling point of 198…

A: a) Since when H is present in the molecule attached with O, the molecules are forming H bonds with…

Q: 2. Pentane C5H12 boils at 36°C at 1 atmosphere pressure. What is the molar heat of vaporization…

A: given, P1 = 1 atm , T1 = ( 273 + 36)K = 309K P2 = 505 torr = (505 x 0.00132) atm = 0.67 atm , T2…

Q: The diagram below shows liquids can interact with flat surfaces just as it can with capillary tubes.…

A: In the given diagram, when a liquid comes into contact with the surface, then it has force of…

Q: Arrange the liquids represented by the following molecular models in the expected order of…

A: Boiling point is that temperature at which the vapour pressure of a substance becomes equal to…

Q: 3. What are the strongest attractive forces that must be overcome to a. freeze ice? b. sublime…

A: Here we have to predict the strongest attractive forces that must be overcome in the following…

Q: 1. The enthalpy of fusion for Hg is 2.29 kJ/mol. What is the energy change when 78.0g of Hg melt at…

A: Given: The enthalpy of fusion for Hg = 2.29 kJ/mol We have to calculate the energy change when 78.0g…

Q: A sample of C6H14is placed in a cosed, evacuated 560ml container at a temperature of 289 K. It is…

A: At constant temperature, P1V1 = P2V2     ……. (1) Where P1 = 69 mm Hg, V1 = 560 ml, V2 = 314 ml,…

Q: An organic solvent with a molar mass of 56.45 g/mol have a normal boiling point of 45.0 °C and a…

A: According to the question we have, Mass of liquid is given by = 24.0 g Specific heat capacity of the…

Q: What phase of water exist at 100° C and 5 atm? At 200°C and 1 atm?

A: The  phase diagram is a diagram explaining the coexistence of different phases of any given…

Q: In kJ/mol, what is the enthalpy kf vaporization, Hvap, for a substance that has a vapor pressure or…

A: We will solve this question using clausius clapeyron equation.

Q: What is the melting point for iodine at 1 atm?

A: Standard pressure - The standard pressure of the iodine is given to be 1 atm. Melting point - The…

Q: Liquid hexane (bp =69°C) is placed in a closed containerat room temperature. At first, the pressure…

A: Distribution of chemical species between the vapor phase and liquid phase is known as vapor-liquid…

Q: Which would you expect to have the higher boiling point, the hydrocarbon fuel butane, C4H10, or the…

A: Boiling point of any liquid depends upon the strength of inter-molecular force of attraction…

Q: 3. The vapor pressure of water at 16°C is 13.6 torr and it is 15.5 torr at 18°C. What is the vapor…

A: The solution is given below -

Q: NH3, NHF2, NF3  which has the highest enthalpy of vaporization? Which has the highest vapor…

A:

Q: Why does the antifreeze ingredient ethylene glycol (HOCH₂CH₂OH;Μ=62.07g/mol ) have a boiling point…

A:

Q: The melting point of benzene is 5.5 ∘C and its boiling point is 80.1 ∘C. At what temperature will…

A: The boiling point can be described as the temperature of the substance at which vapour pressure of…

Q: Suppose you have two colorless molecular liquids, one boilingat -84 °C, the other at 34 °C, and both…

A:

Q: - For the following molecules: methyl ethyl ether, CH3OCH2CH3; carbon disulfide, CS2; and benzene,…

A: Intermolecular forces present in- methyl ethyl ether = London dispersion, dipole-dipole forces CS2…

Q: (Q42) Equal amounts of which of the following substances would have the highest vapor pressure at…

A:

Q: 1. Boiling Point OH MgO но NaCI A B E F G H

A:

Q: Use the phase diagram for methane, CH4, shown in Figure11.30 to answer the following questions. (a)…

A: Since you have posted a question with multiple sub-parts, we will solve first three subpartsfor you.…

Q: Which question can the latent heat of solidification most directly answer? A.How much heat is…

A: Specific latent heat of fusion is defined as when a solid is to be melted, energy is required to…

Q: Methane CH4 has a critical point at -82°c and 46 atm, can methane be liquefied at 25°c ?

A: The solution is as follows:

Q: 2. Of the four general types of solids, which one(s) (a) are generally insoluble in water? (b) have…

A: Four types of solids are: molecular solids  ionic solids covalent / network solids metallic solids

Q: Diethyl ether (CH3 CH2OCH2CH3 ) was one of the first chemicals used as an anesthetic. At 34.6°C,…

A: The relationship among pressures/temperature and enthalpy change taking place during phase…

Q: 3. Rank the states of matter in order of decreasing intermolecular forces. a) b) c) d) gas > liquid…

A:

Q: The normal boiling point of a liquid is 282 °C °C) would the vapor pressure be 0.465 atm?

A:

Q: Water in a glass tube that contains grease or oil residue displaysa flat meniscus (the tube on the…

A: The intermolecular forces and intramolecular forces regulate many properties of the compounds.…

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 following compounds, listed with their boiling points, are liquid at –10ºC: butane, –0.5ºC;…

A: The boiling point and vapour pressure of solution are related inversely to each other.

Q: What is the ΔH°vap of a liquid that has a vapor pressure of 624 torr at 85.2°C and a boiling point…

A: The ΔH°vap of a liquid is to be determined that has a vapor pressure of 624 torr at 85.2°C and a…

Q: - At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is solid. This is because of…

A: The intermolecular force between the atoms and molecules is known as London dispersion forces.

Q: Assume all of the following are liquids. Which has the highest vapor pressure? CH4 CH3CH3…

A: CH4 -Methane CH3-CH3 - Ethane CH3C(O)CH3 - Propanone CH3CH2OH - Ethanol

Q: Diethyl ether (CH;CH2OCH2CH3) was one of the first chemicals used as an anesthetic. At 34.6°C,…

A: According to the clausius clapeyron equation ln(P2 / P1 ) = (-ΔHvap / R) X ( 1/T2 - 1/T1 )  where P2…

Q: (Q43) The normal boiling point of acetone is 56.1°C and its AHvap at its boiling point is 29.1…

A: Given: Boiling point of acetone = 56.1oC  ∆Hvap = 29.1 kJ/mol To determine Vapour pressure (atm) at…

Q: At -80 degrees C, toluene exists in which phase?  a) solid and liquid both b) gas  c) solid d)…

A: Toluene is an aromatic hydrocarbon having -95oC melting point and 110.6oC boiling point. At…

Q: The fluorocarbon compound C2Cl3F3 has a normal boilingpoint of 47.6 °C. The specific heats of…

A: The heat released on the conversion of CFC liquid at 10°C to 47.6°C, the heat required is calculated…

Q: From the diagram, can you tell what will happen if you put dry ice at room temperature and 1atm…

A: Phase diagram: Phase diagram is basically used as Graphical representation for physical state of a…

Q: Use the phase diagram for methane, CH4, shown in Figure11.30 to answer the following questions. (a)…

A: (a) At critical point two phase of a substance initially becomes indistinguishable. In the diagram…

Q: LOWEST

A: Boiling point is the temperature at which the solid decomposes completely.Boiling point is different…

Q: 6. The heat of vaporization for methane (CH) is 9.2 kJ/mol. How many kJ of heat energy are required…

A: Concept is based on molar enthalpy.

Q: At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is solid. This is because of…

A:

Q: Which of the following boils first? * O ether O alcohol O water О сС4

A: If we see the structures for each compound, it will look as follows:-

Q: compound y has a heat of fusion of 363 J/g the solid form has a specific heat capacity of 0.238…

A:

Q: The vapor pressure of liquid iodomethane, CH3I, is 40.0 mm Hg at 249 K. A sample of CH3I is placed…

A: The answer is as follows: