A metal crystallizes in a body-centered unit cell with an edge length of 2.18 F1F1F1S1F1F1F10 102 pm. Assume the atoms in the cell touch along the cube diagonal. What will be the percentage of empty volume in the unit cell?

A) 68.0% B) 75.5% C) 0.00% D) 32.0% E) 26.0% A) 68.0% B) 75.5% C) 0.00% D) 32.0% E) 26.0%

A) hard, high-melting, and a good electrical conductor. B) soft, low-melting, and a good electrical conductor. C) hard, high-melting, and a poor electrical conductor. D) soft, high-melting, and a poor electrical conductor. E) soft, low-melting, and a poor electrical conductor. A) hard, high-melting, and a good electrical conductor. B) soft, low-melting, and a good electrical conductor. C) hard, high-melting, and a poor electrical conductor. D) soft, high-melting, and a poor electrical conductor. E) soft, low-melting, and a poor electrical conductor.

Identify the major attractive force in Cl2.

A) London dispersion forces B) hydrogen bonding C) ionic bonding D) dipole-dipole interactions E) none of these A) London dispersion forces B) hydrogen bonding C) ionic bonding D) dipole-dipole interactions E) none of these

Exam 16: Liquids and Solids

The unit cell in a certain lattice consists of a cube formed by an anion at each corner, an anion in the center, and a cation at the center of each face. The unit cell contains a net

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Question 41

Mn crystallizes in the same cubic unit cell as Cu. Assuming that the radius of Mn is 5.6% larger than the radius of Cu and that the density of copper is 8.96 g/cm³, calculate the density of Mn.

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Question 42

Which of the following statements is incorrect?

(Multiple Choice)

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Question 43

A sample consisting of CO₂(g) and CO₂(s) at equilibrium at -78°C and 1 atm pressure is heated to -30°C, and the pressure is increased to 8 atm. Based on the phase diagram below, what will happen?

(Multiple Choice)

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Question 44

Shown below is a phase diagram for sulfur (not drawn to scale). Sulfur can exist in solid modifications, rhombic and monoclinic, denoted by S_R and S_M, respectively. Which of the following statements is incorrect?

(Multiple Choice)

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Question 45

A metal crystallizes in a body-centered unit cell with an edge length of 2.18  10² pm. Assume the atoms in the cell touch along the cube diagonal. What will be the percentage of empty volume in the unit cell?

(Multiple Choice)

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Question 46

If equal, rigid spheres are arranged in a simple cubic lattice in the usual way (that is, in such a way that they touch each other), what fraction of the corresponding solid will be empty space? [The volume of a sphere is (4/3)r³, with  = 3.14.]

(Multiple Choice)

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Question 47

A certain substance, X, has a triple-point temperature of 20°C at a pressure of 2.0 atm. Which one of the following statements cannot possibly be true?

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Question 48

A crystal of NaCl is

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Question 49

Which of the following compounds has the lowest boiling point?

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Question 50

Identify the major attractive force in Cl₂.

(Multiple Choice)

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Question 51

Which of the following chemical species has the highest boiling point?

(Multiple Choice)

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Question 52

Alkali halides commonly have either the sodium chloride structure or the cesium chloride structure. The molar mass of CsCl is 2.88 times the molar mass of NaCl, and the edge length of the unit cell for NaCl is 1.37 times the edge length of the CsCl unit cell. Determine the ratio of the density of CsCl to the density of NaCl.

(Multiple Choice)

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Question 53

Which intermolecular force is the strongest?

(Multiple Choice)

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Question 54

Consider an ionic compound C_xA_y where the anions (A) are in a body-centered cubic arrangement and the cations (C) are located in all of the faces of the cubic unit cell. A) What is the empirical formula of the salt? B) If the edge length of the unit cell is 5.00 *10 cm and the molar masses of C and A are 50.0 g/mol and 100.0 g/mol, respectively, calculate the density of C_xA_y. C) If the ionic radius of A is 200. pm, estimate the ionic radius of C.

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Question 55

Shown below is a phase diagram for compound X. At 25°C and 1 atm, in what state will X exist?

(Multiple Choice)

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Question 56

Which one of the following is the strongest intermolecular force experienced by noble gases?

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Question 57

Molecular complexity leads to lower viscosity.

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Question 58

What is the net number of face-centered atoms contained in a face-centered cubic unit cell?

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Question 59

The table below lists the ionic radii for the cations and anions in three ionic compounds. $The table below lists the ionic radii for the cations and anions in three ionic compounds. Each compound has a cubic structure like NaCl, CsCl, or ZnS. Using radius ratios, predict the cubic structure that each compound is most likely to form (that of NaCl, CsCl, or ZnS), the type of holes filled by the cations, and the fraction of holes filled by cations.$ Each compound has a cubic structure like NaCl, CsCl, or ZnS. Using radius ratios, predict the cubic structure that each compound is most likely to form (that of NaCl, CsCl, or ZnS), the type of holes filled by the cations, and the fraction of holes filled by cations.

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Question 60

Showing 41 - 60 of 106

The unit cell in a certain lattice consists of a cube formed by an anion at each corner, an anion in the center, and a cation at the center of each face. The unit cell contains a net

Mn crystallizes in the same cubic unit cell as Cu. Assuming that the radius of Mn is 5.6% larger than the radius of Cu and that the density of copper is 8.96 g/cm³, calculate the density of Mn.

Which of the following statements is incorrect?

A sample consisting of CO₂(g) and CO₂(s) at equilibrium at -78°C and 1 atm pressure is heated to -30°C, and the pressure is increased to 8 atm. Based on the phase diagram below, what will happen?

Shown below is a phase diagram for sulfur (not drawn to scale). Sulfur can exist in solid modifications, rhombic and monoclinic, denoted by S_R and S_M, respectively. Which of the following statements is incorrect?

A metal crystallizes in a body-centered unit cell with an edge length of 2.18  10² pm. Assume the atoms in the cell touch along the cube diagonal. What will be the percentage of empty volume in the unit cell?

If equal, rigid spheres are arranged in a simple cubic lattice in the usual way (that is, in such a way that they touch each other), what fraction of the corresponding solid will be empty space? [The volume of a sphere is (4/3)r³, with  = 3.14.]

A certain substance, X, has a triple-point temperature of 20°C at a pressure of 2.0 atm. Which one of the following statements cannot possibly be true?

A crystal of NaCl is

Which of the following compounds has the lowest boiling point?

Identify the major attractive force in Cl₂.

Which of the following chemical species has the highest boiling point?

Which intermolecular force is the strongest?

Shown below is a phase diagram for compound X. At 25°C and 1 atm, in what state will X exist?

Which one of the following is the strongest intermolecular force experienced by noble gases?

Molecular complexity leads to lower viscosity.

What is the net number of face-centered atoms contained in a face-centered cubic unit cell?

Atoms, Molecules, and Ions

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Chemical Reactions and Solutions Stoichiometry

Gases

Chemical Equilibrium

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Applications of Aqueous Equilibria

Energy, Enthalpy, and Thermochemistry

Spontaneity, Entropy, and Free Energy

Electrochemistry

Quantum Mechanics and Atomic Theory

Bonding: General Concepts

Covalent Bonding: Orbitals

Chemical Kinetics

Properties of Solutions

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Exam 16: Liquids and Solids

The unit cell in a certain lattice consists of a cube formed by an anion at each corner, an anion in the center, and a cation at the center of each face. The unit cell contains a net

Mn crystallizes in the same cubic unit cell as Cu. Assuming that the radius of Mn is 5.6% larger than the radius of Cu and that the density of copper is 8.96 g/cm3, calculate the density of Mn.

Which of the following statements is incorrect?

A sample consisting of CO2(g) and CO2(s) at equilibrium at -78°C and 1 atm pressure is heated to -30°C, and the pressure is increased to 8 atm. Based on the phase diagram below, what will happen?

Shown below is a phase diagram for sulfur (not drawn to scale). Sulfur can exist in solid modifications, rhombic and monoclinic, denoted by SR and SM, respectively. Which of the following statements is incorrect?

A metal crystallizes in a body-centered unit cell with an edge length of 2.18  102 pm. Assume the atoms in the cell touch along the cube diagonal. What will be the percentage of empty volume in the unit cell?

If equal, rigid spheres are arranged in a simple cubic lattice in the usual way (that is, in such a way that they touch each other), what fraction of the corresponding solid will be empty space? [The volume of a sphere is (4/3)r3, with  = 3.14.]

A certain substance, X, has a triple-point temperature of 20°C at a pressure of 2.0 atm. Which one of the following statements cannot possibly be true?

A crystal of NaCl is

Which of the following compounds has the lowest boiling point?

Identify the major attractive force in Cl2.

Which of the following chemical species has the highest boiling point?

Which intermolecular force is the strongest?

Shown below is a phase diagram for compound X. At 25°C and 1 atm, in what state will X exist?

Which one of the following is the strongest intermolecular force experienced by noble gases?

Molecular complexity leads to lower viscosity.

What is the net number of face-centered atoms contained in a face-centered cubic unit cell?

Atoms, Molecules, and Ions

Stoichiometry

Chemical Reactions and Solutions Stoichiometry

Gases

Chemical Equilibrium

Acids and Bases

Applications of Aqueous Equilibria

Energy, Enthalpy, and Thermochemistry

Spontaneity, Entropy, and Free Energy

Electrochemistry

Quantum Mechanics and Atomic Theory

Bonding: General Concepts

Covalent Bonding: Orbitals

Chemical Kinetics

Properties of Solutions

The Representative Elements

Transition Metals and Coordination Chemistry

The Nucleus: a Chemists View

Organic and Biochemical Molecules

Filters

Mn crystallizes in the same cubic unit cell as Cu. Assuming that the radius of Mn is 5.6% larger than the radius of Cu and that the density of copper is 8.96 g/cm³, calculate the density of Mn.

A sample consisting of CO₂(g) and CO₂(s) at equilibrium at -78°C and 1 atm pressure is heated to -30°C, and the pressure is increased to 8 atm. Based on the phase diagram below, what will happen?

Shown below is a phase diagram for sulfur (not drawn to scale). Sulfur can exist in solid modifications, rhombic and monoclinic, denoted by S_R and S_M, respectively. Which of the following statements is incorrect?

A metal crystallizes in a body-centered unit cell with an edge length of 2.18  10² pm. Assume the atoms in the cell touch along the cube diagonal. What will be the percentage of empty volume in the unit cell?

If equal, rigid spheres are arranged in a simple cubic lattice in the usual way (that is, in such a way that they touch each other), what fraction of the corresponding solid will be empty space? [The volume of a sphere is (4/3)r³, with  = 3.14.]

Identify the major attractive force in Cl₂.