One of the attractive features of ionic liquids is their lowvapor pressure, which in turn tends to make themnonflammable. Why do you think ionic liquids have lowervapor pressures than most room-temperature molecular liquids?

Q: A number of salts containing the tetrahedral polyatomicanion, BF4-, are ionic liquids, whereas salts…

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: Ionic liquids are a new class of organic salts that are liquids at low temperature (usually < 100…

A: Ans. Green aspects of ionic liquids: (a) The interest of ionic liquids (ILs) as “green” solvents…

Q: If Ar dissolves in water, H2O, the most significant intermolecular force responsible for the…

A: The most significant intermolecular force responsible for the solubility is be determined

Q: Let us assume that a sample of iodine, I2 (s), is dissolved in methanol, CH3OH (l). Answer the…

A: An ion-induced dipole attraction is a weak attraction that results when the approach of an ion…

Q: 5. Which ionic solid is most soluble in water at 0°C? A. sugar (C12H22O11) B. KNO: C. NANO3 D. NaBr…

A: since you have posted a multiple questions in a single session, we are entitiled to answer only…

Q: 5. What is sublimation? Why is it possible to sublime caffeine? List another compound that sublimes…

A: The question is based on the experimental technique of isolation of caffeine from tea leaves .…

Q: Which evaporates more quickly: 55 mL of water (H,O) in a bea- ker or 55 mL of acetone [(CH3),CO] in…

A: Acetone molecules are attracted by dipole -dipole forces, whereas water molecules are attached to…

Q: Highest BP: Si(CH3)4  or NF3 e) Highest vapor pressure: CH3NHCH3 or BCl3

A: When the vapour pressure of a substance is equal to  atmospheric pressure the substance starts to…

Q: (a) Which is generally stronger, intermolecular interactionsor intramolecular interactions? (b)…

A: (a) Intramolecular interaction exists within the same molecule, whereas the intermolecular…

Q: · In general, under room temperature, which of the following type(s) of solid(s) would not dissolve…

A: The network covalent solids ate the solids that are insoluble in any kind of solvent. Therefore…

Q: Explain how vacancies are introduced in a solid NaCl crystal when divalentcations are added to it.

A: The properties of a solid can be changed desirably by adding known amount of impurities in its…

Q: Which of the following has the highest vapor pressure? PH3 SiH4 H2Se GeH4 HF

A: Vapor pressure depends on nature of liquid,  presence of a solute and temperature. Vapor pressure…

Q: The vapor pressure of CCl3F at 300 K is 856 torr. If 11.5 g of CCl3F is enclosed in a 1.0-L…

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Q: Arrange the following compounds in the increasing order of solubility in water 1. CH3CH2CH,NH2 2.…

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Q: What substances should be used with caution or not in an experiment to determine the partial weight…

A: A question based on properties of liquids that is to be accomplished.

Q: Which of the following statements best describe a minimum azeotrope? 1. Minimum azeotrope boils at…

A: Azeotrope can be defined as mixture of liquids that has a constant boiling point The boiling point…

Q: Let us assume that a sample of iodine, I2 (s), is dissolved in methanol, CH3OH (l). Answer the…

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

Q: Which will have a greater vapor pressure methyl Amine (CH3NH2) or chloroform (CHCl3)? (briefly…

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Q: At ordinary temperatures, water is a poor solvent for or-ganic substances. But at high pressure and…

A: The vapour pressures ( P1 and P2) of a liquid measured at temperatures ( T1 and T2) are related to…

Q: Many polar liquids are fully miscible with water. What phenomenon explains this observation? A)…

A: Solubility of a substance in water is governed by water-solute interaction. Many polar liquids are…

Q: Highest vapor pressure CCl2O, CH2O or CBr2O

A: EXPLANATION: Vapour pressure vary with boiling point as they are inversely proportional to each…

Q: Which line must the temperature and pressure have crossed if a iquid sample of X is observed to…

A: 1) X is a gas. X is observed to freeze at point F where temperature and pressure have crossed. 2) In…

Q: 4. Calculate the molar mass of vaporized unknown using the following data: mass of vapor = 0.643 g,…

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Q: The vapor pressure of aniline near 100°C is approximately 46 mm Hg. Estimate the amount of aniline…

A: Given Vapor pressure of aniline, Paniline=46 mm Hg Total Pressure = 760 mm of Hg Total Pressure  =…

Q: Arrange the following substances according to their property. A) most volatile: CH4, CH3CH2CH2OH¸…

A: For A):CH3CH2CH2OH &lt; CH3CH2CH2CH3  &lt;CH4This is because CH4 has least mass followed by…

Q: Why are hexane and methylene chloride miscible?

A: Like dissolves like’ principle says that polar compounds including ionic compound should be more…

Q: The following is Diagram 3.9 from your text. Why are the ions oriented this way? What special…

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Q: If HBr has a vapor pressure of 0.33 atm at a particular temperature, would you expect the vapor…

A: Since in case of HBr there is no H bonding possible between the HBr molecules as Br is not that…

Q: C. Explain the following occurrences in terms of molecular polarity and intermolecular forces. 1.…

A: NH3 is a polar molecule. Since nitrogen is more electronegative than hydrogen in NH3 , the dipole…

Q: 7. Explain, in terms of the strength of intermolecular forces, why the boiling point of diethyl…

A: The boiling point of solvent is the temperature at which solvent pressure is equal to atmospheric…

Q: At 25°C, some water is added to a sample of gaseousmethane (CH4) at 1.00 atm pressure in a closed…

A: We can calculate at 0°C and 1.00 atm pressure moles of methane collected ,by using following…

Q: Sketch the phase diagram of the sys tem NH3/N2H4 given that the two substances do not form a…

A: A eutectic system is a homogeneous, solid mixture of two or more substances. The mixture either…

Q: Alcohols (ROH) are structurally similar to water. Why are alcohols not as powerful a solvent as…

A: Water molecule, H2O consists a hydrogen atom and a hydroxyl group, (-OH). Alcohol consists an alkyl…

Q: Illustrate the phase diagram of ethyl alcohol and explain your findings.

A: Ethanol is a liquid at standard conditions. However, at low temperature and/or very high pressures…

Q: Which of the following gives the correct order of solubility in water? (1) H₂N CH3 (iii) > (ii) >…

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Q: All compounds in a chemical series have the same commonality of structure, therefore the same…

A: Usually there are three major types of intermolecular forces involved in chemical bonds1)London or…

Q: would you predict beryllium chloride to be more or less soluble than calcium chlorid?

A: Given information: Beryllium chloride and calcium chloride

Q: ind the molar mass of an unknown soluble ionic compound made from an alkaline earth metal and a…

A: Solution -

Q: Would you expect the vapor pressure of methanol to be smaller of larger than that of water at a…

A: The formation of a hydrogen bond is possible only if the molecule must satisfy the two conditions.…

Q: Which statement is true? Statement 1: For compounds of approximately the same molecular weight, the…

A: Melting point increases as the intermolecular force increases . Higher the symmetry in a molecule…

Q: What is the ΔHfus of ethanol (46.06 g/mol) which has Kb of 1.99 and freezes at -117.3 °C?

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Q: At high altitudes the vapor pressure is than at the sea level. O higher O lower O remains the same

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Q: Which of these substances is most soluble in water? a.) C10H21I b.)C6H13Cl c.) C8H17Br d.)…

A: When a substance dissolves in a liquid at a certain temperature, then it is called its solubility.…