4. Rationalize why chalk (calcium carbonate) has a higher melting point than motor oil (an enormously large compound made from carbon and hydrogen), which has a higher melting point than water, which engages in relatively strong hydrogen-bonding interactions.

Q: Why doesnt carbon dioxide have a normal melting point and a normal boiling point whereas water has

A: The triple point of water is at 0.0098 degree Celsius and 4.58torr whereas carbon dioxide is ar…

Q: Carbon diselenide (CSe2) is a liquid at room temperature. The normal boiling point is 125°C, and the…

A: Welcome to bartleby !

Q: Two students measure the vapor pressure of the same unknown organic liquid and compare results. The…

A: The Clausius-Clapeyron equation is given as:

Q: Which elements can take part in hydrogen bonding? (O, N, and F) WHY IS HYDROGEN UNIQUE IN THIS KIND…

A: Hydrogen bond arises due to induced dipole moment in a molecule, which occur under the presence of…

Q: 1) what is the critical temperature of compound X? 2) if you were to have a bottle containing…

A:

Q: Why is the boiling point of water so much higher than that of the other hydrogen compounds of group…

A: Water contains O atom which is highly electronegative in the whole group VI. Because of the polar…

Q: Rank the following in order of decreasing(a) Boiling point: O₂, Br₂, As(s)(b) ΔH(vap): Cl₂, Ar, I₂

A: Boiling point is the temperature at which a liquid substance changes into gaseous phase keeping the…

Q: Which statement explains why water and ethanol have different boiling points? O Water and ethanol…

A: The boiling point of a liquid depends upon the interaction between its molecules. Stronger the…

Q: The vapor pressure of water at 25 °C is 23.76 torr. If 1.25 g of water is enclosed in a 1.5-L…

A: First convert unit of vapor pressure of water (P) from torr to 1 atm. P=23.76 torr×1 atm760…

Q: Ammonia can be liquefied by compression at room temperature; oxygen cannot be liquefied under these…

A: The critical temperature of a substance is defined as the maximum temperature at which the substance…

Q: Define the terms viscosity, capillary action and surface tension. a. How do the viscosity and…

A: A question based on physical properties, which is to be accomplished.

Q: Explain why the molar enthalpies of vaporization of the following substances increase in the order…

A: The molar enthalpy of vaporization is the quantity of energy required, when the liquid phase of a…

Q: The vapor pressure of liquid cadmium is 400 mm Hg at 983K. Assuming that its molar heat of…

A: According to the clausius clapeyron equation, ln(P2 / P1) = (-ΔH/R) X (1/T2 - 1/T1)  where P2 =…

Q: The density of a sample of HCP beryllium is 1.844 g/cm3 and the lattice parameters are a = 0.22858…

A: The density of a sample of HCP beryllium is 1.844 g/cm3 lattice parameters are., a = 0.22858 nm and…

Q: What is hydrogen bonding? How can you predict the presence of hydrogen bonding in a compound?

A:

Q: What phenomenon does hydrogen bonding in water create to enable certain insects to walk on puddles…

A: Hydrogen Bonding It is the bonding that occurs between Hydrogen and an electronegative atom (F, N,…

Q: Why are amorphous solids isotropic in nature?

A: Given statement,        Amorphous solids isotropic in nature

Q: Arrange the following solids in order of increasing melting points and account for the order. a. Naf…

A: Melting point of a substance can be defined as the temperature at which a solid substance convert…

Q: a. Alcohol b. Sea water c. Water d. Mercury e. Dead Sea f. Acetone Among those choices, which one…

A: Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular…

Q: The normal melting point of substance Y,, molar mass 20, is 267K. Its molar heat of fusion is 5.19…

A:

Q: What kinds of attractive forces exist between particles (atoms, molecules, ions) in (a) molecular…

A: Given: kinds of attractive forces exist between particles (atoms, molecules, ions) in (a) molecular…

Q: What are the meaning of Ion-dipole, Dipole-dipole, London dispersion forces, and Hydrogen bonding?…

A: Inter-molecular interactions are attractive or repulsive interactions among different molecules.…

Q: Water is a unique substance because of H-bond. Can you tell why?

A: The answer for first question is given below. Kindly repost the other question as separate one.

Q: What property of water refers to water's ability to form a thin film on the surface of lakes and…

A: What property of water refers to water's ability to form a thin film on the surface of lakes and…

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

A: A compound will be in a liquid state if the force of interaction between the molecules is very high…

Q: 1. Calculate the vapor pressure of the substance A at 30OK Substance A 1000000 100000 l0000 100. 20…

A: The graph given is

Q: Consider the organic compounds ethanol (CH3CH2OH) and ethanethiol (CH3CH2SH). a)Draw Lewis…

A:

Q: Solid thallium(I) chloride has the same kind of crystal structure as CsCl which is pictured below:

A:

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

A:

Q: Use the phase diagram of Substance X below to find the pressure at which the melting point of X is…

A: In the given graph , where the red line is intersecting both x and y axes are the required points

Q: Although steel is denser than water, a steel needle or paper clip placed carefully lengthwise on the…

A: We know that , A metal needle or paper clip has higher density that of water. So when it is dropped…

Q: From the data below, calculate the total heat (in J) needed to convert 30.00 g of ice at −4.00…

A: The heat required to change the temperature of 30 g ice from -4.00 to 0.00 oC (q1) is determined as…

Q: Explain the statement: "Hydrogen bonds are not true chemical bonds." 6. Which do you expect to have…

A: Covalent bonds- Formation of these bonds require sharing of electrons between atoms.  Ionic bonds-…

Q: What property is described when water rises up freshly-cut stalks of a rose? A. Capillary action B.…

A: Capillary action : It is the ability of a liquid to flow in narrow spaces without the assistance or…

Q: (a) How do the viscosity and surface tension of liquids change as intermolecular forces become…

A:

Q: 5. How can a gas at room temperature (like oxygen) become solid?

A: Phase changes when temperature and pressure is changed.

Q: The vapor pressure of liquid cobalt is 400 mm Hg at 3.03x10³ K. Assuming that its molar heat of…

A: Given, P1 = 400 mm T1 = 3030 K T2 = 3050 K □H = 450 kJ/mol Using Von't Hoff reaction  ln(P2/P1) =…

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: Chemistry help

A: Clausius Clapeyron equation-This gives relation between pressure and temperature if enthalpy of…

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: The vapor pressure of liquid aluminum is 400 mm Hg at 2.59x10 K. Assuming that its molar heat of…

A: The vapor pressure of liquid aluminium at the given temperature can be calculated using equation…

Q: Gaseous helium atoms must be cooled to 4.2 K before He liquefies. For elements, this is the lowest…

A: Given: Gaseous helium atoms must be cooled to 4.2 K before He liquefies. For elements, this is the…

Q: The types of intermolecular forces in a substance are identical whether it is a solid, a liquid, or…

A: The intermolecular forces between the molecules are same whether we talk about solid, liquid or gas…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.