Which substance is a liquid at room temperature?a) CH3OH b) CF4 c) SiH4 d) CO2

Q: each, select the type of crystalline solid that would form.

A: Crystalline solids are solids which have arrangement of particles from a long range order. There are…

Q: Which of the following forces can be used to explain why F2 and Cl₂ are gases, whereas Br2 is a…

A: Answer:Ionic bondCovalent bondIon-dipole attractionDipole-dipole attractionHydrogen…

Q: 2b) Explain the effect of pressure in terms of energy, direction of flow of heat and intermolecular…

A: In the above question, the pressure of container A to container B increases that is from P1 to P2.…

Q: Which of the following compounds is expected to have the highest boiling point? SnH4 GeH4 O not…

A: Solution :     Boiling point is defined as the temperature at which the vapor pressure of the liquid…

Q: -9 Silicon used in computer chips must have an impurity level below 10 (that is, fewer than one…

A: No. of boron atoms = 1.8*1013Edge length(a) = 543 pm = 5.43*10-8 cmNo. of Si atoms in a cubic unit…

Q: Use the phase diagram for CO2 to answer the following. 2. At what temperature does sublimation (at 1…

A: We are given the phase diagram of CO2 showing all the three phases, triple point, and critical…

Q: Substance Substance A Substance B Substance C Molecular Component OH OH Substance Substance D…

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Q: Differentiate between an amorphous and crystalline solid

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Q: What is the stable phase at 1 atm and 100°C?

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure…

Q: The density of copper is 8.93 gram per cubic centimeter and its atomic radius is 128 pm. Is the…

A: The metal is (a) close-packed or (b) body-centered cubic has to be determined

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: 2. Lead has a face centered cubic lattice with all atoms at the lattice points and a unit cell edge…

A: The crystal lattice formed from the repetition of cube shaped unit cells in three dimensions is…

Q: What is the distinguishing feature of crystalline solids? How are the structures of crystals…

A: A crystalline solid is a solid that has a regular, repeating three-dimensional structure. They have…

Q: 1. White phosphorus is a molecular solid made of molecules of P4. A 1.52 g sample of white…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: B)

A: The viscosity of the compound depends upon the intermolecular forces, stronger the intermolecular…

Q: Which of the following might be best described by the following set of properties? 1. white solid…

A: The nature of constituent atoms of a molecule, type of bonding between them and charge on atoms…

Q: White phosphorus, P4 is a white solid with a melting point of 44C. The liquid state of this…

A: we have to calculate the heat of vaporization of the substance

Q: 3. If atomic radius of Ru is 205 pm and it forms hep crystalline structure, calculate the…

A: In the given question we have to calculate the density of Ru crystal.The density of a crystal can be…

Q: A team of interstellar explorers travel to the planet Demgog where the mystical substance…

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Q: In the phase diagram, which transition represents the condensation of a gas to a liquid? P A A to D…

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Q: How does an amorphous solid differ from a crystalline one? Give an example of an amorphous solid.

A: Difference between amorphous and crystalline solid are as given below-

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: The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 °C. The specific heat of this…

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Q: A)

A: Surface tension is the tension  created at the surface of the film due to attraction of the…

Q: Explain crystalline solid.

A: We need to explain crystalline solid substance.

Q: Which has the lowest normal boiling point? CH4 H2O NH3

A: Boiling point depends on the intermolecular forces. Boiling point will be higher for compounds…

Q: Which substance would you expect to have the LOWEST melting point? CH3F CH3OH Ni LiCl

A: The objective of the question is to determine which among the given substances - CH3F, CH3OH, Ni,…

Q: The enthalpy of fusion for Lauric acid (C12H24O2) is 32.86 kJ/mol and enthalpy of vaporization is…

A: Total heat absorbed will be equal to heat absorbed to reach 43.2°C from 22.0 °C of solid + heat…

Q: WHich are The Fundamental Types of Crystalline Solids?

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Q: Which of the following solids would be expected to display the highest melting point? a) NaCl b)…

A: The question is based on the concept of melting point. the temperature at which a solid starts…

Q: Which substance is expected to have the highest boiling point? a) CO2 b) HCl c) CH3OH d) CH4 e) BF3

A: The boiling points of the given substances are - a) CO2 = - 78.46°C b) HCl = - 85.05°C c) CH3OH =…

Q: Which of the following substances has the highest melting point? A) NaCl B) Cl₂ C) NO₂ D) CH₄ E) H₂S

A: Large amount of energy is required to overcome the strong electrostatic attraction between…

Q: With around 70% of ammonia produced industrially being used to make fertilizers. The specific heat…

A: The objective of the question is to calculate the total energy required to heat 75 g of ammonia from…

Q: elow information is given for nickel. • Atomic weight of Ni: 58.7 g/mol • Melting temperature: 1455…

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Q: phase

A: