A solid dubstance has a moderate melting point, is fairly soft, and is a nonconductor. This subustance is probaly a(n) __________solid. Metalic Ionic Network Nonpolar molecular Polar molecular

Q: Suppose the vapor pressure of a substance is measured at twodifferent temperatures. (a) By using the…

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Q: Two metals X and Y are mutually soluble in all proportions in the liquid state, but are completely…

A: To determine the composition of the phases present at a temperature of 175 °C for an alloy having 20…

Q: The factor that has the largest effect on vapor pressure is presence of H bonding O b. molecular…

A: Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour…

Q: Metals have high melting point because a. the electrons are mobile b. of close-packed arrangement…

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

Q: Iron changes its crystal structure from body contred to cubic close backedstructure when heated to…

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Q: The surface tension between n-Hexane and water is of 52.2 erg/cm2 (erg/cm2 = dina/cm). Their…

A: In the given question we have to calculate the capillary rise of aqueous phase, we know that,…

Q: The melting point of water at the pressure of the interest (1 atm) is 0 oC and the enthalpy of…

A: The conversion of matter from one phase to another phase require energy in form of enthalpy , that…

Q: --1 atm Vapor Temperature (C)→ 6 Unary phase diagram for SiO2 Pressure (atm)- a-quartz Bquartz…

A: The point where more than 2-phases coexist  is called a triple point.

Q: Draw a projection diagram of the mineral depicted below. Determine the stoichiometry by counting the…

A: Chalcopyrite unit-cell model. Copper is depicted in red, iron is depicted in blue, and sulphur is…

Q: When two metals are completely insoluble in each other in the solid ate is called binary eutectic…

A: A binary eutectic system consists of homogeneous mixtures of two substances that melts or solidifies…

Q: Silicon is the fundamental component of integrated circuits.Si has the same structure as diamond.…

A: (a) Silicon has the same structure as diamond. In Si, each silicon atom is bonded tetrahedrally to…

Q: .) ion-ion interactions are stronger than the ion-dipole interactions because the UM has a lower…

A: PEC diagram is given for barium hydroxide.  We have to determine the relative interaction strengths.

Q: Draw two Lewis structures of the vinyl acetate. Between these structures, identify and label areas…

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Q: Melting Pt. (°C) Boiling Pt. (°C) Substance Appearance Conducts as Conducts as solid liquid…

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Q: melting point, and so on. (You may need to use the scroll element type of solid formed force holding…

A: Here we have to choose correct option about which force holding the solid together and melting point…

Q: vapor pressure of dichloromethane was measured as a tion of temperature, and the following results…

A: Here we have to determine enthalpy of vaporisation of CHCl3 from the following given data.

Q: Look at this data for the Vapor Pressure vs Temperature of octane. What is the heat of vaporization…

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Q: Which of the following is true of alloys? A. They can only be composed of metals. B. They must be…

A: An alloy is a combination of a metal with at least one other metal or nonmetal . Alloy is…

Q: A certain element has an atomic radius of 0.193 nm and forms a cubic unit structure with a side of…

A: The atomic radius (r) of the given element is 0.193 nm and side (a) is 0.386 nm. Find the relation…

Q: Cu and Ni form a substitutional solidsolution. This means that the crystal structureof a Cu-Ni alloy…

A: Number of atoms of a component (ni) in the given alloy is calculated as shown below.

Q: A 50 wt% Pb-50 wt% Mg alloy is slowly cooled from 700°C (1290°F) to 400°C (750°F). (i) At what…

A: The Mg-Pb phase diagram is shown as follows:

Q: The vapor pressures of sulfur dioxide in the solid and liquid states are given by the equations: ln…

A: Given, ln Psolid = 29.28 – 4308 / T      Equation (1) ln Pliquid = 24.05 – 3284 / T     Equation (2)…

Q: 3. From the copper (Cu) - nickel (Ni) phase diagram, answer questions 4.1-4.2: Composition (at% Ni)…

A: 3.1- The question is blurred out on what is being asked But, assuming that we have to find, Ni%=…

Q: 3 Draw the phase diagram for metals (A, B) with melting points (1180°C, 1455°C respectively). They…

A: Melting point of pure A - 560oC (100%A,0% B) Melting point of pure B -1080oC (0%A, 100%B)   Scale:…

Q: temperature at which solid and liquid are in equilibrium

A: At equilibrium, the rate of change of substance from one state to another is same in forward and…

Q: 11. The vapor pressures of solid and liquid chlorine in the vicinity of the triple point are given…

A: Tt is Triple Point

Q: All compounds in a chemical series have the same commonality of structure, therefore the same…

A: Intermolecular forces are forces of attraction oflr repulsion acting between neighbouring particles.…

Q: The boiling point of a liquid is: O a. The turning of a vapor phase to a liquid phase O b. The…

A: We have to tell which option is correct

Q: The smectic liquid crystalline phase can be said to be morehighly ordered than the nematic phase. In…

A: The smectic liquid crystalline phase can be said to be more highly ordered than the nematic because…

Q: Name the crystal defect which lowers the density of an ionic crystal.

A: Solids are made up of crystals. Defects are defined as the irregularities in the arrangement of…

Q: ratio

A: According to the question, Object 1 has 118 torr and Object 2 has 55 torr as equilibrium vapor…

Q: Copper in Gold is an example for O a. Intermetallic compounds O b. Substitutional solid solution O…

A: Substitutional solid:  A mixture of two atoms in which an atom replaces the other is known as…

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: Only one phase is present (liquid or solid) under PT- conditions when, А. В. The phase with greater…

A: In the given question we have to select the correct option when only one phase is present i.e liquid…

Q: E. Arrange the following according to decreasing melting point. Exp a) Sodium metal b)Sodium…

A: Solution- decrease order of the melting point - diamond >silicon dioxide>sodium chloride >…

Q: Refer to Fig. 4A.8. Which phase or phases would you expect to be present for a sample of CO2 at: (i)…

A: (i) At 200 K and 2.5 atm, CO2 is in solid phase. Because, at 200K, for the phase to be gas, pressure…

Q: Consider an alloy at composition C1, just above the eutectic temperatdre. What are the phases…

A: Given phase diagram

Q: 1.Which one of the below is not even a crystalline substance

A: 1)4  It is incorrect

Q: The vapor pressures of sulfur dioxide in the solid and liquid states are given by the equations: In…

A: At triple point of any substance, all the three phases i.e solid, liquid and gases coexist at single…

Q: Shown here are sketches of two processes. Which of theprocesses refers to the ductility of metals…

A: Since Ductility is the physical property of a material associated with the ability to be stretched…

Q: Barium titanate (BaTiO3) is an ionic solid with a density of 6.02 g/cm3. Its structure is described…

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Q: Which one below is not true for Frenkel and Schottky defects in ionic solids? * Schottky defect…

A: The option which is Not true   Answer : When Schottky defect occurs, the charge neutrality of the…

Q: 95% pure solids generally melt at . A) the dew temperature of the pure solid. B) lower temperature…

A: In pure solid , it mainly remains as lattice structure in which molecules of that solid is bound…

Q: Using the graphic below, what can be said about the strength of the intermolecular forces (IMFS) of…

A: Given

Q: ng phase diagram of Substa

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Q: Why don’t metals cleave in the waydepicted here for ionic substances?

A: A metal is a substance that contains same substance throughout and connected by metallic bond. Metal…