Why does an aqueous solution of ethanol (CH₃CH₂OH)have a lower surface tension than water?

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.

Q: List ALL types of intermolecular forces that exist among the following pure substances: a. rubidium…

A: a) Rubidium flouride(RbF):- It is an ionic compound. •Intermolecular force in Rubidium flouride is…

Q: A substance with stronger intermolecular forces is expected to have lower: A) molar mass B)…

A: Vapor pressure: At any temperature liquid molecules have their kinetic energies. The kinetic energy…

Q: Pentanol (C5H11OH; M = 88.15 g/mol) has nearly the same molar mass as hexane (C6H14; M = 86.17…

A: Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a…

Q: Hydrogen bonding is the dominant intermolecular force in C2H6 NH3 PH3 All of the above

A: Hydrogen bonding :- It is a special type of dipole-dipole intermolecular force of attraction  It is…

Q: Explain the Liquefaction of Gases ?

A: Liquefaction of gases is referred to as the conversion of a gas into a liquid state. Simple…

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: Explain the concepts of viscosity, surface tension, and capillary action?

A:

Q: Choose the substance with the greatest surface tension. C20H42 O CSH12 O C8H18 O C9H20

A: Surface tension of a compound is directly proportional to the intermolecular force present in the…

Q: Which compound has the higher boiling point? Justify your answer. The type(s) of intermolecular…

A: Answer :- Compound having higher boiling point is CCl4 than CH4  Explaination :-  Boiling point of a…

Q: Why does methanol (CH3OH) boil at a lower temperature than water (H2O), even though CH3OH has the…

A: The temperature at which liquid state gets converted into gaseous state is known as boiling point.…

Q: Would Octane C8H18, be more soluble in ethanol C2H5OH or in benzene C6H6?

A: Polar solvents like ethanol, will dissolve things that are also polar in nature.(By the chemistry…

Q: 9. Which of the following has the highest boiling point? A. NaCl B. HBr C. CH3CH2CH3 D. CC14

A: Which one has the highest boiling point has to be given.

Q: 2. What is the strongest intermolecular force in a) CH3CH2CH2OH b) N2 c) LiCI

A: Since we only answer up to 3 sub-parts. We'll answer first three.Please resubmit the question and…

Q: Determine whether each pair of compounds forms a homogeneous solution when combined. For those that…

A:

Q: Why are amorphous solids isotropic in nature?

A: Given statement,        Amorphous solids isotropic in nature

Q: 3. Which of the following liquids will have the highest surface tension? a. dimethylamine, (CH3);NH…

A: Surface Tension Surface tension is a feature of a liquid surface that manifests itself as a…

Q: a) i) Explain how the following equation leads to a formal definition of surface tension: dG = ydA…

A: i) The given equation is:

Q: Compare and explain; the viscosity of ethylene glycol comparative to that of ethanol an glycerol…

A: To compare the viscosity of ethylene glycol with ethanol and glycerol Viscosity of a compound is the…

Q: What is the predominant intermolecular force acting between molecules in a mixture of Br2 and H2O

A: H2O is a polar molecule and has a dipole but Br2 is a non-polar molecule having no dipole.

Q: Predict which liquid has the higher vapor pressure.  (Please explain)  C2H5OH or CH3OCH3

A:

Q: What is the predominant intermolecular force in CH4?

A: Intermolecular force: It is the force that exists between the two atoms of a compound that arises…

Q: CaCl2 in H2O a. illustrate the lewis dot structure b. polar or nonpolar? c. what is the dominant…

A: Given : CaCl2 in H2O To find : a. Lewis dot structure b. Polar or non polar c. Dominant type of…

Q: greatest surface tension.   a. C9H20 b. C12H26 c. C6H14 d. C24H50

A: Solution - The correct option is (c)  C6H14 Explanation - Surface tension is the tendency of liquid…

Q: What type of intermolecular forces of attraction is CO2? Justify the answer

A: The attraction forces between the different molecules are known as intermolecular forces.

Q: Which has the highest surface tension? CH3OH, C2H5OH, or C3H7OH

A: Surface tension: surface tension forces are due to intermolecular forces between the liquid…

Q: (a) Do you expect the viscosity of glycerol, C3H51OH23,to be larger or smaller than that of…

A: Both Glycerol and 1-propanol has the molecular formula C3H8O3.

Q: In which substance is hydrogen bonding an important intermolecular force? H butyl alcohol H dimethyl…

A: In this question we have to tell which substance contain intermolecular hydrogen bonding.

Q: List the substances CCl4, CBr4, and CH4 in order of increasing boiling point.

A: The boiling point is the temperature at which the substance starts to boil. The boiling point…

Q: Hexane and heptane form a homogeneous solution. Which intermolecular forces are present? dispersion…

A: We need to determine the intermolecular forces present between hexane and heptane molecules.

Q: Which compound has a higher boiling point: butane, C4 H10, or hexane, C6H4?

A:

Q: Identify the strongest type of intermolecular force present in each specific molcule: a.) CH2F2 b.)…

A: Given molecules, (a) CH2F2 (b) CO2 (c) PBr3 (d) CH3CH2OH (e) C4H10 (f) Na2O

Q: Why does viscosity of liquids decrease as the temperature is raised?

A: Viscosity is the resistance to the flow of a liquid.

Q: What are the intermolecular attractions/forces associated with CaCl2? Would it be ionic attractions…

A: The intermolecular forces of attraction associated with CaCl2 are given below: London dispersion…

Q: Explain why the viscosity of multigrade motor oils is less temperature-dependent than that of…

A: Multigrade motor oils contain polymers that coil at low temperatures but unwind at high…

Q: As a pure substance, which of the following could experience hydrogen bonding? I. H₂Se II. H₂O III.…

A: Which of the following H2Se , H2O and H2 can experience hydrogen bonding = ?

Q: Choose the substance with the highest surface tension. HOCH2CH2OH CH2F2 CH3CH2F CH3CH2OH CH3CH2CH3

A: A multiple choice question based on surface tension, which is to be accomplished.

Q: Consider the following substance: C2H4O. Which intermolecular forces are present? (step-by-step)

A: With this molecular formula we can form acetaldehyde, ethenol and epoxide. CH3CHO-Acetaldehyde has…

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

A:

Q: Which of the following would have the highest vapor pressure at 25°C? C2H6 C2H5CI CaCl2 H20

A: The liquid molecules tend to convert into the vapour phase. In a closed container, the pressure of…

Q: Which of the following are valid reasons why vegetable oil has a greater viscosity than diethyl…

A: Viscosity: Viscosity is the measure of resistance to flow for a liquid. Hydrogen bonding: The…

Q: the predominant intermolecular force between molecules of c(ch3)4 is

A: The predominant intermolecular forces between C(CH3)4

Q: What is the relationship between strength of intermolecular forces and capillarity

A: When intermolecular forces are stronger, then the difference in energy increases between gas and…

Q: Why does the vapor pressure of a liquid decreases as the strength of its intermolecular forces…

A: The vapor pressure is defined as the pressure a gas exerts when the gas is in equilibrium with the…

Q: 10. What is the dominant intermolecular force in a sample of the following compounds? (a) NaCl(s)…

A: Intermolecular forces of attractions are the reason why different molecules have different physical…

Q: What type(s) of intermolecular forces are expected between NH2CI molecules?

A: Dipole forces:- Dipole intermolecular forces or dipole interaction is defined as when two polar…

Q: Name all the intermolecular forces acting within the particles of the following substances: 1.…

A: You have asked for the following molecules - Pentane Ethanol Pottasium Phosphate

Q: Based on their composition and structure, list CH2Cl2,CH3CH2CH3, and CH3CH2OH in order of (a)…

A: The three compoundsi) CH2Cl2 : This compound contain Electronegative element Cl, it attaracts the…