Boiling point of lodine (12) must be higher than that of Bromine (Br2) because

Q: Why do do volatile substances,like alcohol and acetone, produce a cooling effect on a surface from…

A: In the process of evaporation, the liquid changes into the gaseous (vapor) state. The physical state…

Q: Why would you expect ammonia (NH3) to form hydrogen bonds with water molecules?

A: To give the reason for the hydrogen bond between NH3 and H2O.

Q: Which of the following substances would likely have the highest boiling point? lodine (12) Fluorine…

A: Boiling point is the temperature at which vapour pressure is equal to the atmospheric pressure.

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: Which of the following structures would you expect to have the lowest boiling point? но он OH A B D…

A: The compounds given are,

Q: What would be the boiling point of methylene chloride at 670 mm Hg?

A: Clausius-Clapeyron equation can be used to relate two points in the same equilibrium line. The…

Q: Which of the following is expected to have the highest normal boiling point? A. H2O B. HBr C.HCl…

A: Boiling point of any molecule depends on 2 things (in same order as they are mentioned) 1) The…

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: 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: If you place 30.0 L of hexane (C6H14) in a sealed room that is 3.75 m long, 2 m wide, and 3 m high,…

A: Given: Volume of liquid hexane = 30.0 L = 30000 mL                             (Since 1 L = 1000 m)…

Q: Does sodium hydroxide have higher conductivity or ammonia?

A:

Q: Identify which of these molecules has the highest boiling point and give the reasoning why in terms…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: Ethanol, C2H5OH, and carbon dioxide, CO2, have approximately the same molecular mass, yet carbon…

A:

Q: All of the following are gases at room temperature and atmospheric pressure. Which one will liquefy…

A: Thus option d is correct

Q: On the basis of intermolecular attractions, explain the differences in the boiling points of…

A: Intermolecular forces are the forces existing between the molecules of a substance. The nature of…

Q: Explain how vacancies are introduced in a solid NaCl crystal when divalentcations are added to it.

A: The properties of a solid can be changed desirably by adding known amount of impurities in its…

Q: Would you expect London dispersion forces to be more important for Xe or Ne? Why? (The atomic radius…

A: To find: Among Xe and Ne, which has more London dispersion forces.

Q: Hydrogen bonds and van der Waals interactions are much weaker than covalent bonds, yet they are…

A: Given,  Forces are : Hydrogen bonds, van der Waals interactions and covalent bonds Why hydrogen…

Q: Which of the following solids has the highest melting point H2O KCl CCl4 Xe

A: Melting point is the process which requires heat energy to convert solid state substance into its…

Q: 7. What is the vapor pressure of water at 50°C?

A: At 25°C temperature, vapor pressure of water lie between 10 to 15kPa that means it is a middle point…

Q: Why is N2 a gas at room temperature? Explain why lowering the temperature allows for liquid N2 to…

A: The reason why nitrogen is a gas at room temperature and the reason why lowering the temperature…

Q: In terms of shape, how does water appear on a molecular level at lower temperature? O tridimensional…

A: A decrease in temperature caused the water molecules to lose energy and slow down, which results in…

Q: What is the effect of 1-atm Pressure on the Boiling Points of Neon, Argon, Oxygen, and Water

A:

Q: Which of the following molecules has the lowest boiling point?             W) SiBr4           X)…

A: The Temperature at which the vapor pressure of liquid equals the pressure surrounding liquid and the…

Q: Which of the following solids has the highest melting point? O Cao O CaF2 O Mgo O MgCl2

A: Given,  Which of the following solids has the highest melting point ? a). CaO  b. CaF2  c. MgO  d.…

Q: Which compound has the highest melting point: NaCl, CH 4, or H 2SO 4?

A: The melting point depends on the strength of intermolecular forces. Higher the intermolecular force,…

Q: A 5.30 g sample of solid MgSO, 7H,0 was heated such that the water turned to steam and was driven…

A: Given: The pressure, (P) = 1 atm. The temperature (T) = 100 0C = (73.15+100) = 373.15 K. The mass of…

Q: Why is Cl not part of N,O,F in hydrogen bonding considering that it also has a high…

A: Hydrogen Bonding - It is a bond formed between an H atom and electronegative atoms like N, O, and F.…

Q: How many kilojoules are needed to vaporize 10.0 g of H2O(1)?

A: Number of moles of water is determined as follows, No.of mol= Mass/Molar mass = 10.0 g/18.02 g.mol =…

Q: The type of interaction formed between carbon tetrachloride and iodine crystals

A: Carbon tetrachloride is colorless liquid with sweet smell. It features four non polar covalent bonds…

Q: Melting occurs in going from region VII V VI 1 atm I II IV III O III to II. I to II. OI to III. IIl…

A: The given phase diagram can be used to predict different phase transition processes. Some of them…

Q: 11. Which of these molecules possessed a Van Der Waals Attraction? A. NH3 B. O2 C. CO2 D. HCl

A: The various kind of intermolecular forces presents between the molecules of a compound are…

Q: Which of the following molecules cannot exhibit intermolecular (among themselves) hydrogen bonding?…

A:

Q: which of the following when in its solid form is an example of a molecular solid? silicon carbide…

A: The correct option is:

Q: Using a few words and a simple diagram, explain the origin of London forces. Be sure your answer…

A: London forces arise due to the following reason

Q: e numbers to order the substances by increasing boiling point. Let #1 be the substance with the…

A:

Q: types of forces that are likely to hold H2O its solid phase together uopn condensation/deposition

A:

Q: What IMFS are most important in determining the melting points of pure solids of the group 18…

A:

Q: Arrange O2, NO, N, in order of increasing boiling point temperature: O2 < NO < N2 O2 < N2 < NO O N2…

A:

Q: Given that mercury has DeltaHvap of 59.11 kJ/mol and its normal bp is 356.7°C, calculate the vapor…

A:

Q: Why is the Boiling point of Calcium higher than that of Magnesium?

A: The question is based on the concept of boiling point. it is defined as the temperature at which the…

Q: Why helium and hydrogen gases not liquefied at room temperature by applying very high pressure?

A: The critical temperature of helium and hydrogen are as follows: Helium: -267.96°C Hydrogen:…

Q: vapor pressure of ethanol (in mmHg) at 52.7°C if i- 20 3 k /mol: R

A:

Q: Which of the following substances is most likely to be a liquidat room temperature?(a) formaldehyde,…

A: The presence of intermolecular forces determine the physical state of particular compound. All the…

Q: 3.6 g of methane is collected over water at STP for a total of 4.27 L at 25 degrees Celsius. What is…

A: Interpretation -  To determine the vapor pressure at this temperature when 3.6 g of methane is…

Crystal Structures

Solids are present all around us. They have different properties and applications. Diamond and graphite are two well-known solids. Diamond is the hardest material in the world and is used in making jewelry. Graphite on the other hand is soft. The lead of your pencil is graphite. Why are they so different in appearance and properties despite the fact they are chemically the same? Both are allotropes of carbon. The answer lies in the structure, the way constituent particles are arranged in the solids.