18. Which of the following boils at the highest temperature?(a) CH4(b) СэНв(c) C4H10(d) C5H1219. Which probably has the lowest boiling point at 1.00 atm?(a) HF(b) HCI(c) HBr(d) H2SO420. The normal boiling point of a liquid is(a) the temperature at which the vapor pressure equals 1 atm.(b) the temperature at which the gas molecules have more kinetic energy than the moleculesin the liquid.(c) the only temperature at which there can be equilibrium between liquid and gas.(d) the temperature at which the liquid will usually boil.

NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want…

Answered: 18. Which of the following boils at the…

Science

Chemistry

18. Which of the following boils at the highest temperature? (а) CНa (b) СзНа (с) C«Н10 (d) C5H12

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter8: Molecules And Materials

Section: Chapter Questions

Problem 8.87PAE: 8.87 Use the vapor pressure curves illustrated here to answer the questions that follow. (a) What is...

See similar textbooks

Related questions

Q: What phase changes will take place when water is subjected to varying pressure at a constant…

A: Concept introduction: Phase diagrams are important graph of pressure verse temperature of substance…

Q: Acetone 1H3CCOCH32 has a boiling point of 56 °C. Based onthe data given in Figure 11.25, would you…

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

Q: Q. 2. How does temperature influence the surface tension and viscosity of ionic liquids and their…

A: Increase in temperature will cause decrease of intermolecular attraction forces and decrease the…

Q: Choose the substance with the greatest surface tension. O C;H12 O C12H26 O C24H50 O C14H30

A: The surface area of a molecule grows as the length of carbon atoms connected in a chain increases.…

Q: 2. Which type of intermolecular forces exist in: a) gases, b) liquids, and c) solids?

A: Intermolecular forces The attractive forces that exist between all kinds of atoms and molecules is…

Q: Explain the permanent dipoles ?

A: Dipole means which contains positive and negative poles

Q: A sample of C3H4 B42 has a normal boiling temperature of 131.5 C. The enthalpy of vaporization for…

A: Given that, Normal Boiling point, T1 = 131.5 oC = 131.5+ 273 = 404.5 K Pressure (P2) = 540 mm Hg ,…

Q: Ethanol has a heat of vaporization of 38.56kJ/mol38.56kJ/mol and a normal boiling point of 78.4 ∘C…

A: Given,The heat of vaporization of ethanol, ∆Hvap = 38.56kJ/mol .The normal boiling point of ethanol,…

Q: Which liquid is more viscous at room temperature,water or molasses? Explain.

A: Viscosity means the internal resistance between the layer of the liquids. The higher the resistance…

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: Why do the boiling points of the noble gases increase in the order He < Ne < Ar < Kr <…

A: Given, Boiling point of noble gases increases from He < Ne< Ar< Kr< Xe

Q: The heat of vaporization of water is 40,670 J/mol at the normal boiling point, 100°C. The barometric…

Q: 8. What type(s) of intermolecular force is (are) common to (a) Xe and CH3OH; (b) CH;OH and CH;CN;…

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: How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 25 °C to…

A: Given The volume of water is 352 mL. The given temperature values are 25.0 ˚C and 5.0 ˚C. The…

Q: Liquid hexanol (CgH13OH) has a normal boiling point of 158 °C and liquid butanol (C,H,OH) has a…

A: Boiling point: Greater the intermolecular forces higher the boiling point Surface tension: Greater…

Q: The heat of vaporization of hexane is 30.8 kJ. mol-1. The boiling point of hexane at a pressure of…

Q: I would like to know the steps I take to solve this problem. What will the boiling point of ethanol…

A: Given data:

Q: 12.) which has lowest boiling point according to ta ble? Vapor pressure at 376mmHq) 23 Substonce ||…

A: Given Substance Vapor pressure at 25°C (in mmHg) I 23 II 650 III 92 IV 139 Which has…

Q: 2. The boiling point of water at a pressure of 50 atm is 265 C. Compare the theoretical efficiencies…

A: (i) At 1 atm, the boiling point of water is 373 K or 100oC. The theoretical efficiency can be…

Q: Why are amorphous solids isotropic in nature?

A: Given statement, Amorphous solids isotropic in nature

Q: MCQ 5: Tetrachloride with the lowest boiling point is A. SICI, B. CCI C. SnCl, D. PbCl4

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: Arrange the boiling points of the substances GeCI4,CH4,SiCI4,SiH4,and GeBr4 in increasing order

A: A question based on boiling point, which is to be accomplished.

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: Question

A: A concave meniscus occurs when the particles of the liquid are more strongly attracted to the…

Q: The boiling point of acetic acid is usually stated to be 118°C. Is it possible to have acetic acid…

A: The liquid state of any substance is changed to its vapor state, when the atmospheric pressure…

Q: The ethalpy of vaporization of liquid mercury is 59.11 kj/mol. What quantity of energy as heat is…

A: Enthalpy of vaporization is the amount of heat added to the liquid to transform into the vapor.

Q: Which of the following boils at the highest temperature? (a) CH4 (b) C3H8 (c) C4H10 (d) C5H12

A: Which of the following having highest boiling temperature ?

Q: Octane (C8H18, ΔH°vap = 41.6 kJ/mol) has a normal boiling point of 125.6 °C. What is the vapor…

Q: Tungsten (W) crystallizes in a body-centered cubic arrangement with a density of 19.3 g/cm3. What is…

A: For body centered cubic arrangement, the radius is calculated as, where, a is the edge length The…

Q: At what range of pressure will water be a liquid at temperatures above its normal boiling point?

Q: what quantity of heat would be required to vaporize 2.30g of aluminum at its normal boiling point?

A: the answer is follows as :

Q: Can carbon dioxide be liquefied at room temperature ( 20 °C )? If so, how? If not, why not?

Q: Which liquid is more viscous: octane, C8H18, or motor oil, C18H38? Explain.

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

Q: Which of the following has the lowest boiling point? A) C̟H B) C,H,6 C) C,H D) C,H, 11 24 E) C„H, 13…

A: Alkanes are primary hydrocarbons, with general formula of CnH2n+2, these can be represented as R-H.…

Q: 1. Rank the following liquids in order of increasing boiling points, from lowest to highest: He /…

A: Boiling point of the liquid depends upon the inter-molecular force of attraction present in it. More…

Q: 2) You are given the following data. Which of the liquids would you expect to have the highest vapor…

A: Boiling point :- The temperature at which the vapor pressure of anyliquid is equal to atmospheric…

Q: Which liquid would have the weakest surface tension? a. X b. Y c. Z d. The surface tensionof X,Y, Z…

A: The data given is,

Q: 3. Compare and contrast the two types of dlose-packing in solids?

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: Carbon disulfide, CS2, has a normal boiling point of 46°C and a heat of vaporization of 26.8 kJ/mol.…

A: Given : P2 = 1 atm (The vapor pressure of a substance at its boiling point is 1 atm.) P1 = Vapor…

Q: 20. Consider the substances H,O, KI, H;S, CH4. Which answer has the substances arranged in order of…

A: KI is an ionic compound. H2O and H2S are polar and both have diople-diople interactions. CH4 is a…

Q: 10. Propane, CH3CH2CH3 is an example of what intermolecular force?

A: 10- As propane (CH3CH2CH3) is considered as non-polar compound due to a zero diople moment.

Q: The vapor pressure of benzene is 100.0 mmHg at 26.1°C and 400.0 mmHg at 60.6°C. What is the boiling…

Q: 1400 Mo [D] H. K [C] Pressure (in mm Hg) 1000 [A] 800 G 600 400 [B] 200 20 60 100 140 180 260…

Q: What is the normal boiling point of a liquid that has a vapor pressure of 142 mmHg at 28 degrees…

A: Welcome to bartleby ! Introduction : We have to calculate boiling point .

Q: You are in a mountain range with atmospheric air pressure of 520 mmHg, and you wish to boil some…

A: FOR WATER The Standard boiling point = 1000C Standard pressure = 760 mmHg

Q: 1241 Which substance has the higher boiling point? Explain. (a) CH,CH,OH or CH;CH,CH, (c) H,S or…

A: Interpretation: Which substance has the higher boiling point is to be determined and explained.

Question

18. Which of the following boils at the highest temperature?
(a) CH4
(b) СэНв
(c) C4H10
(d) C5H12
19. Which probably has the lowest boiling point at 1.00 atm?
(a) HF
(b) HCI
(c) HBr
(d) H2SO4
20. The normal boiling point of a liquid is
(a) the temperature at which the vapor pressure equals 1 atm.
(b) the temperature at which the gas molecules have more kinetic energy than the molecules
in the liquid.
(c) the only temperature at which there can be equilibrium between liquid and gas.
(d) the temperature at which the liquid will usually boil.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Diethyl ether (CH3CH2OCH2CH3) was one of the first chemicals used as an anesthetic. At 34.6C, diethyl ether has a vapor pressure of 760. torr, and at 17.9C, it has a vapor pressure of 400. torr. What is the H of vaporization for diethyl ether?
A 1.50-g sample of methanol (CH3OH) is placed in an evacuated 1.00-L container at 30 C. (a) Calculate the pressure in the container if all of the methanol is vaporized. (Assume the ideal gas law, PV = nRT.) (b) The vapor pressure of methanol at 30 C is 158 torr. What mass of methanol actually evaporates? Is liquid in equilibrium with vapor in the vessel?
8.87 Use the vapor pressure curves illustrated here to answer the questions that follow. (a) What is the vapor pressure of ethanol (C2H5OH) at 60°C? (b) Considering only carbon disulfide (CS2) and ethanol, which has the stranger intermolecular forces in the liquid state? (c) At what temperature does heptane (C7H16) have a vapor pressure of 500 mm Hg? (d) What are the approximate normal boiling pains of each of the three substances? (e) At a pressure of 400 mm Hg and a temperature of 70°C, is each substance a liquid, a gas, or a mixture of liquid and gas?
p-Dichlorobenzene, C6H4Cl2, can be one of the ingredients in mothballs. Its vapor pressure at 20C is 0.40 mm Hg. (a) How many milligrams of C6H4Cl2 will sublime into an evacuated 750-mL flask at 20C? (b) If 5.0 mg of p-dichlorobenzene were put into an evacuated 750-mL flask, how many milligrams would remain in the solid phase? (c) What is the final pressure in an evacuated 500-mL flask at 20C that contains 2.00 mg of p-dichlorobenzene? Will there be any solid in the flask?
Dichloromethane, CH2Cl2,is widely used as a degreaser and paint stripper. Its vapor pressure is 381.0 mm Hg at 21.9C and 465.8 mm Hg at 26.90C. Estimate (a) its heat of vaporization (Hvap). (b) its normal boiling point.
Of the four general types of solids, which one(s) (a) are generally insoluble in water? (b) have very high melting points? (c) conduct electricity as solids?
The normal boiling point of SO2 is 263.1 K and that of NH3 is 239.7 K. At −40 °C, would you predict that ammonia has a vapor pressure greater than, less than, or equal to that of sulfur dioxide? Explain.
The vapor pressure of ethanol, C2H5OH, at 50.0 C is 233 mmHg, and its normal boiling point at 1 atm is 78.3 C. Calculate the vapH of ethanol.
Define critical temperature and critical pressure. In terms of the kinetic molecular theory, why is it impossible for a substance to exist as a liquid above its critical temperature?
In Breckenridge, Colorado, the typical atmospheric pressure is 520. torr. What is the boiling point of water (Hvap = 40.7 kJ/mol) in Breckenridge?
At a resort in Sante Fe, New Mexico, the barometric pressure is 625 mm Hg. Water boils in an open pot at 94.5C. A pressure cooker is set for 1.75 atm. (a) At what temperature will water boil in that pressure cooker? (For water, Hvap=40.7kJ/mol.) (b) What is the difference between the boiling point in the open pot and in the pressure cooker?
The heats of vaporization of liquid O2, liquid Ne, and liquid methanol, CH3OH, are 6.8 kJ/moL 1.8 kJ/mol, and 34.5 kJ/mol, respectively. Are the relative values as you would expect? Explain.