Can you please answer the 4 of these questions, please? 1. Predict which of these compounds has the highest surface tension @ RT? why? a. HCl (aq) b. C6H6 (l) c. H2O (l) d. CCl4 (l) e. None of the above 2. Predict which of these compounds has the lowest viscosity @ RT? why? a. CCl4 (l) b. H2O (l) c. HCl (aq) d. HC2H3O2 (aq) e. None of the above 3. Predict which of these compounds has the highest melting point? why? a. H2O (l) b. O2 (l) c. CO2 (l) d. H2 (l) e. None of the above 4. What kind of crystalline solid is NaCl? why? a. Molecular b. Covalent c. Ionic d. Metallic e. None of the above

Q: The surface tension of water is 72 mJ/m–2. Calculate the amount of energy required to disperse one…

A: Surface area of sphere = 4πr2 Surface volume of sphere = 4/3 πr3 Surface tension of water = 72 mJ/m2…

Q: Rank the compoundsin order of increasing viscosity at a given temperature; explain your ranking.…

A: Increasing order of viscosity : CH3CH3 < H2C=O < CH3OH  Viscosity is directly proportional to…

Q: The vapor pressures of benzene at different temperatures are as follows: P/mmHg T/Ce 75 118 181 269…

A: Given data:

Q: Higher viscosity. H3C-(CH2)8-CH3 53 H3C-(CH2)4-CH3 Better solvent for NaCl. Hexane , μ = 0.00 54…

A:

Q: (12.4)Choose the substance with the lowest surface tension in the liquid phase. (CH3)2CO O H₂O O…

A: We have to select the substance with lowest surface tension

Q: Select a molecule with lowest viscosity?   A. CH3-(CH2)25-CH3(l)   B. H2O(l)   C. SCl4(l)   D.…

A: In this question, we want to identify which Molecule have lowest viscosity.   Viscosity of a…

Q: Based on their composition and structure, list in order of (a) increasing molecular forces, (b)…

A: The compounds considered are acetic acid (CH3COOH), methyl acetate (CH3COOCH3) and ethanol…

Q: A liquid with an enthalpy of vaporization, AHv, of 23.80 KJ/mole has a normal boiling point at…

A: There are two separate questions here.  Q.1:  Given enthalpy of vaporization, ∆Hv = 23.80 kJ/mol We…

Q: 1. Choose the substance with the lowest surface tension.  A. CH3CH2CH2CH3 B. CH3CH2CH2CH2CH2CH3 C.…

A:

Q: Compound CH4 Boiling Point -164 °C Melting Point -182 °C -115 °C O °C Intermolecular Force London…

A: Since you have asked a question with more than 3 subparts, we will answer only first three subparts…

Q: Explain why water alone cannot be used to remove grease from a surface

A: Water & grease can't mix with each other due to hydrophobic (water heating)properly of grease…

Q: Calculate the surface tension of ethanol at 0 and 70 °C. Let the critical temperature of ethanol be…

A: Surface tension of the concerned liquid can be calculated from Eotvos equation.

Q: The vapor pressure of ethanol is 400. mmHg at 63.5°C. Its molar heat of vaporization is 39.3 kJ/mol.…

A: Vapor Pressure: The vapor pressure is defined as the pressure produced when a volatile solute is…

Q: Based on the values below, from ethanol to propanol to butanol the boiling point, surface tensions,…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: (a) Would you expect the viscosity of n-pentane,CH3CH2CH2CH2CH3, to be larger or smaller than the…

A: (a) The viscosity of a fluid depends on the intermolecular force, dispersion force, and the shape of…

Q: 1. A. Which compound, CO2 or OoC, has the greater intermolecular forces? Justify your answer. B.…

A: INTERMOLECULAR FORCES: The forces that tend to attract or repel the neighboring ions, atoms or…

Q: At a given temperature, which of the following liquids should have the highest viscosity? A. CH2Br2…

A: The correct answer is given below

Q: The vapor pressure of a substance is measured over a range of temperatures. A plot of the natural…

A: The variation of vapor pressure with temperature can be expressed by Clausius Clapeyron equation.…

Q: Heat (1) In the table, T₁= 45.7 °C, E₁ = 185 J, E₂ = 836 J, E, = 1490 J, and E₁ = 2890 J.…

A: Given: T₁= 45.7 °C, E1 = 185 J, E₂ = 836 J, E3 = 1490 J, and E4 = 2890 J. m = 8.60 g Tfusion = 235…

Q: Consider the molecules shown below and arrange them in order of increasing (least to greatest)…

A:

Q: Which of the following compounds has the highest viscosity? Select one: a. CCl4(l) b. N2(g) c.…

A: Viscosity of any compound is directly proportional to the strength of inter-molecular forces present…

Q: Choose the substance with the highest surface tension. Explain your answer. A) HOCH2CH2OH…

A: Explanation to the correct answer is given below

Q: Choose the compound that has the highest surface tension. (Consider intermolecular forces) hyaogan 1…

A:

Q: 8. A sample of dry ice (solid C02) is cooled to -100 °C, and is set on a table at room temperature…

A: The phase diagram of a substance furnishes information about the temperature (T) and pressure (P) at…

Q: In which species are only London Dispersion forces present?  NH3 Ar C(graph) CaCl2 H2CO

A: In this question, we will see that which species have only London dispersion forces.  You can see…

Q: rends. Compound 1 has the lowest surface tension, 4 has the highest surface ension. SO3 HF CO2 CH20…

A: As the intermolecular force of attraction increase boiling point increase and surface tension…

Q: Which of these compounds has the highest viscosity? C6H12O6 Hg2 CCl4 Br2 None of the above

A: Higher the intermolecular force among the molecules of a substance, difficult is the flow of…

Q: All are apparatus used in the determination of surface tension of a liquid by the capillary rise…

A:

Q: The vapor pressures of solid Cl2 are 352 Pa at -112 C and 35 Pa at -126.5°C. The vapor pressure of…

A: Given data:  Sublimation Pressure P1 = 35 Pa ; Sublimation Pressure P2 = 352 Pa Temperature T1 =…

Q: Use the following compounds to for the questions below. а. HCIO2 b. C5H10 с. NH3 16. Which compound…

A: Answer -

Q: The enthalpy change for converting 10.0 g of ice at -25.0°C to water at 70.0°C is _____ kJ. The…

A: Enthalpy change associated with temperature change is calculated by the following formula     H=…

Q: Determine the amount of heat, in kJ, required to melt 47 g of solid Ca at its melting point of 851C.…

A: The amount of the solid Ca is = 47 g The heat of fusion of Ca is = 9.33 kJ/mol Amount of heat…

Q: temperature? molar heat of deposition molar heat of vaporization a. C. molar heat of condensation b.…

A:

Q: The vapor pressure, P, of a certain liquid was measured at two different temperatures, T. The data…

A: The plot of ln(P) Vs 1/T, to determine the enthalpy of vaporisation.

Q: 24. How much heat is required to raise the temperature of 215 g CH3OH(1) from 20.0 to 30.0 °C and…

A: The heat required to raise the temperature of 215g CH3OH (l) from 20.0 to 30.0 °C and vaporize it at…

Q: Consider the following molecules: Na2O, HCl, NH3, N2, CH3CH2OH. Which would have the highest…

A: Viscosity is the property of the the fluids, It is resistance o the flaw of the fluids. When the…

Q: 56.0 mL of two different liquids are poured through a funnel with a narrow exit tube, and the time…

A:

Q: Dioxane, C4H§O2, has an enthalpy of fusion of 12.85 kJ/mol and its melting point temperature is 11.0…

A: Heat of fusion (ΔHf) of a substance is the change in enthalpy value when the said substance changes…

Q: What polymer substances are used to join the surfaces of 2 solid materials into one solid material?

A: Polymers application:

Q: The ball-and-stick models below represent three compounds with the same molecular formula, C4H8O2:…

A: Intermolecular hydrogen bonding can be defined as the hydrogen bonding that exist between two or…

Q: 6. Acetone (density = 0.792 ) rises to a height of 9.39 cm at 20 ° C in a capillary tube %3D ст-…

A:

Q: Consider the melting points of the substances below (see figures for two compounds). Explain the…

A: We know that, melting point of any compound depends upon some factors like Molecular weight(molar…

Q: (a) Would you expect the viscosity of n-pentane,CH3CH2CH2CH2CH3, to be larger or smaller than the…

A: (a) The viscosity of a fluid depends on the intermolecular force, dispersion force, and the shape of…

Q: Use the following for #11 and #12: Consider the following substances and their normal boiling…

A:

Q: The boiling points of liquids A and B are 65 C and 145 C respectively. Which of these liquids would…

A:

Q: Which liquid would have the highest viscosity at room temperature?     C8H17NH2     C7H14…

A: Liquid having highest viscosity at room temperature:

Q: Rank vapor pressure from highest (1) to lowest (3) Rank viscosity from highest (1) to lowest (3)…

A: We have to rank given compounds on basis of given properties

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…