Why, in liquid state, is H2O a London Force and hydrogen bonding. I understand why it is hydrogen bonding (FON) but why is it a London Force? Shouldnt it be hydrogen bonding and dipole-dipole interaction since hydrogen bonding is just a stronger dipole-dipole interaction?

Q: 34.6 °C 78.3 °C 100 °C 800 760 Normal boiling point 600 Diethyl ether Water Ethyl alcohol (ethanol)…

A: The intermolecular forces can be determined using vapour pressure.

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A: The partial pressure of a gas in the state of dynamic equilibrium with its solid (or) liquid at a…

Q: What amount of heat (in kJ), is required to convert 29.3 g of an unknown solid (MM = 83.21 g/mol) at…

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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.

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Q: Which compound would you expect to have greater surface tension: acetone [(CH3)2CO] or water (H2O)?…

A: Water molecules possess hydrogen bonding and they are more polar in nature due to which, these…

Q: Which of the following substances would you expect to have the higher vapor pressure: CH3OH or…

A: To Find: To find which substance has the highest vapor pressure among CH3OH and CH3Cl.

Q: Liquid cyclohexanone (C6H100) has a normal boiling point of 155 °C and liquid cyclopentanone (C5H8O)…

A: As we know, Higher the boiling point,  more stronger is intermolecular interaction between molecules…

Q: Carbon disulfide, CS, has Pvap 100 mm Hg at -5.1 "C and a normal boiling point of 78.0 C. What is…

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Q: When 10 mL of water is heated from room temperature of 25oC to super steam at 120oC, how much heat…

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Q: Does SF6 (boiling point = 16°C at 1 atm) behave more ideally at 1508C or at 208C? Explain.

A: Gases are the species whose molecules are connected to each other by Vander Waal forces.

Q: H HH Η Η Η H-C-C-C=H H-C-C-C-H ОН ОН ОН CI CI ČI Glycerol Trichloropropane Boiling point 290°C…

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Q: What is the delta H vap of a liquid that has a vapor pressure of 621 torr at 85.2 C and a boiling…

A: dHvap is called the heat of vaporization which is the amount of heat required to convert a substance…

Q: For each pair, predict which one will have the higher value for vapor pressure when it is in the…

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Q: Liquid hexanol (C,H13OH) has a normal boiling point of 158 °C and liquid butanol (C,H,OH) has a…

A: Higher the boiling point, stronger must be the intermolecular forces. Intermolecular force increases…

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: Liquid pentane (CgH2) has a normal boiling point of 36.1 °C and liquid nonane (CgH20) has a normal…

A: Intermolecular forces: The forces of attraction operating between the atoms of a molecule that holds…

Q: 10. Rank the following in order of increasing strength of intermolecular forces in the pure…

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Q: NH3, NHF2, NF3 1) lewis structure 2) dominate intermolecular force? 3) which has strongest…

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

Q: 1. The forces of attraction that exist between nonpolar molecules are called: A. Dipole-dipole…

A: 1. The London dispersion force is a temporary attractive force that results when the electrons in…

Q: Which liquid has the stronger attractive forces ? B 1.5 1.0 - vapor P, atm 0.5 50 100 150

A: Liquid which require high temperature to convert into gas have stronger attractive forces. Here, in…

Q: Which statement is not true about intermolecular forces? A) Small molecules are more polarizable…

A: Explanation to the correct option is given below

Q: 1.What happens to energy when ; Water vapour changes to liquid water by condensation

A: Condensation is the process of converting gas molecules to liquid form. When decrease the…

Q: does LiF have a higher vapor pressure at 25oC than H2S?

A: FALSE - LiF will have higher vapor pressure at 25 degree C than H2S Note: LiF has strong electro…

Q: 10. Which type of substance causes greater vapor pressure lowering? O an ionic compound O a covalent…

A: The given compounds are :   A. a covalent compound  B. a group of nonmetals C. a metallic compound…

Q: Which statement is not true about intermolecular forces? O A) Small molecules are more polarizable…

A: We will choose incorrect option

Q: Ethane (molar mass 30.07 g/mol) boils at -88.6°C. Methanol has almost the same molar mass (32.04…

A: Answer: option E. Methanol exhibits hydrogen bonding is a  correct option.

Q: The enthalpy of vaporization is given for four bioactive molecules. Which compound has the strongest…

A: We are given the value of Enthalpy of vapourisation:

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: 19. Which of the following liquids would exhibit the highest vapor pressure at 25.0*C?

A: Step : 1             The required answer for the question is follows as :

Q: What amount of heat (in kJ) is required to convert 29.7 g of an unknown solid (MM = 67.44 g/mol) at…

A: Here we are required to find the total amount of heat needed to convert 29.7 g of solid from -15.4°C…

Q: (1) In which liquid are the intermolecular attractive forces the weakest ? (2) Which liquid would be…

A: We are given two compounds and we have to compare there intermolecular forces and vapour pressure

Q: Of the following substances, only. has London dispersion forces as its only intermolecular force.…

A: The given set of substances are: He, NH3, H2S, CH4, HCl The London dispersion forces come in the…

Q: Given that the heat of fusion of water is -6.02 kJ>mol, the heatcapacity of H2O(l) is 75.2…

A: Data given :  The heat capacity of H2O (l)  = 75.2 J/mol⋅K = 0.0752 kJ/ mol.K The Heat capacity of…

Q: What is the heat of vaporization in kJ/mol?

A: P1 = 0.217atm P2 = 0.851atm T1 =-54.3°C or  218.85 K T2 = 1.79°C or  274.94 K

Q: Which of the following substances has the lowest vapor pressure at room temperature? O CBrA O CF. O…

A: Vapor pressure is the measure that how much a substance is prone to go to the vapor state.

Q: MCQ 144: The attraction of water molecules to the ions on the surface of ionic solid is termed as A.…

A: Water is a polar molecule due to presence of electronegative oxygen and electropositive hydrogen.…

Q: 11.6 The molecules Ethyl methyl ether Propanol have the same molecular formula (C3H8O) but different…

A: Organic compounds are the compounds which are mainly composed C and H atoms. The branch of chemistry…

Q: 8. For which of the following would hydrogen bonding not be an important factor in determining…

A: Soln

Q: What is the heat of vaporization(kj/mol) if it takes 3452 J of heat to completely vaporize 2.68…

A: Consider the given information is as follows; Heat of vaporization = 3452 J = 34521000 kJ=3.452 kJ…

Q: (a) hexane (C,H14) O London forces O ionic bonding O hydrogen bonding O dipole-dipole

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Q: What types of intermolecular forces are exerted by CH3B molecules in the liquid phase? List al of…

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Q: What is the difference between dipole–dipole interactions and London dispersion forces?

A: Intermolecular force of attraction that holds the different molecules of a substance together is…

Q: 3. The difference of electronegativity between H and Br in 0.7, and the difference in…

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Q: What is the AH of a liquid that has a vapor pressure of 620 torr at 78.0°C and a boiling point of…

A: We have to calculate the ∆H0 vap.

Q: HO, 5. а. b. С. H H H H H-C-C-o H H H HH H H3C CH3 Arrange the above liquids in order of increasing…

A: Vapor pressure is the pressure exerted by a vapor. It is the tendency of liquid to change into…

Q: a) To detemine boiling point of liquids, we need to look at both intramolecular and intermolecular…

A: Intra-molecular forces : -  These are forces of attractions between atoms within the molecule. These…

Q: Arrange the following in order of decreasing vapor pressure. CBr4 Cl4 CCI4

A: In the non polar Molecule , the London dispersion force is present . The Dispersion Forces is…