1. A. Which compound, CO2 or OoC, has the greater intermolecular forces? Justify your answer. B. Consider the following data concerning four different substances. Conducts Electricity as a Solid Other Properties Compound No Gas at 25°C B;H6 SiO2 Csl High mp Aqueous solution Conducts electricity High mp No No Yes Label the four substances as either ionic, network covalent, metallic, or molecular solids. Support y selections using the properties shown in the data. i. B2H6 ii. SiO2 ii. Csl iv. W 222

1. A. Which compound, CO2 or OoC, has the greater intermolecular forces? Justify your answer. B. Consider the following data concerning four different substances. Conducts Electricity as a Solid Other Properties Compound No Gas at 25°C B;H6 SiO2 Csl High mp Aqueous solution Conducts electricity High mp No No Yes Label the four substances as either ionic, network covalent, metallic, or molecular solids. Support y selections using the properties shown in the data. i. B2H6 ii. SiO2 ii. Csl iv. W 222

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Use the following compounds to for the questions below. а. HCIO2 b. C5H10 с. NH3 16. Which compound would have the highest volatility? 17. Which of the compounds would have the highest viscosity? 18. Which substance is most likely to have the highest lowest tension? 19. Which substance is most likely to have a flat irregularly shaped drop? 20. Which compound would have the greatest adhesion to glass, SiO2 (s)?
A metal with molar mass of 99.42 g/mol crystallizes in a body-centered cube with edge length of 324 pm. What is the density of the metal in g/cm? O 8.09 g/cm3 O 6.15 g/cm3 9.71 g/cm3 O 7.44 g/cm3 O 5.09 g/cm3 O 4.98 g/cm3 Next « Previous
Complete the following table: Substance Cl2 b.p. –34 °C HCl b.p. –85 °C Li m.p. 180 °C LiCl m.p. 610 °C Composition type (ionic, etc): Physical state at +200 °C Physical state at –35 °C List all IeFs (D, DD, HB, but IaFs for some!) in each : Rank the strength of their intermolecular forces (IeFs) based on their physical states: has the strongest IeFs– ______ > ______ > ______ > ______ –has the weakest IeFs
Which of the following statements is INCORRECT based on intermolecular forces of attraction? A. Pentane (C5H12) has a low viscosity due to lack of dipole-dipole interactions. B. Liquids having strong intermolecular forces have low vapor pressures. C. The viscosity increases with increasing tempeature.
Which of the following statement/s is/are NOT true? Cooling a liquid result in tighter packing of the molecules. Compressing a gas may result in its condensation. The kinetic energy of liquids is not enough to allow liquid molecules to move past one another. Thermal expansion of solids and liquids are minimal compared to gases.
Given : Ba (AW = 137.327 g/cm³) %3D FCC Atomic radius = 0.235 nm Qv = 1.23ev/atom T= 1125 °C Determine: a) Number of lattice sites, N (atoms/m³) b) Number of vacancies, Nv (atoms/m3) Number of lattice sites, (N) = atoms/m3 Number of vacancies, Nv = (atoms/m3)
Identify the type of crystalline solid (ionic, molecular, metallic, network covalent) formed by each of the following. Glucose, C6H12O6 _______________ Silver, Ag ________________ Potassium iodide, KI ______________ Silicon carbide, SiC ______________ Diamond _____________
A. C,H¿N| В. СН,N С. СН, Р The glass capillary tubes are composed of silicon dioxide, Si 0, is touched to the surface of a liquid sample of each pure compound A, B, B. Si O, has a slight dipole moment and the lone pairs of the oxygen atoms can participate in hydrogen bonding interactions with other substances. 1. Explain why CH,N have the strongest cohesive and adhesive forces to rise up the capillary tube to a highest height. Explain your answer referencing intermolecular, adhesive, and cohesive forces.
Which of the following statements is FALSE? The vapour pressure of a solid is independent of temperature. Metallic solids can be described as cations in a sea of electrons. Solid benzoic acid, C6H5COOH, is an example of a molecular solid. KBr forms an ionic solid. Network solids have high melting points.
20. On a relative basis, the weaker the intermolecular forces in a substance are, the a) larger is its heat of vaporization b) higher is its viscosity c) higher is its boiling point d) higher is its melting point e) greater is its vapor pressure at a particular temperature 21. Which pair of liquids is expected to be miscible? a) H2O and CCI4 b) Brz and H20 c) C6H6 and H20 d) C6H12 and CSH18 22. Which of these elements are the primary components in "hard water"? I. magnesium II. iron III. calcium IV. sodium a) I only b) I and III c) II and III d) III only e) II and IV
One method to synthesize ionic solids is by the heating of two reactants at high temperatures. Consider the reaction of FeO with TiO2 to form FeTiO3. Determine the amount of each of the two reactants to prepare 1.800 g FeTiO3, assuming the reaction goes to completion. a). write a balanced chemical reaction b). determine the moles of FeO required c). determine the mass of FeO required d). determine the moles of TiO2 required e). determine the mass of TiO2 required
What phase changes will take place when water is subjected to increasing pressure at a constant temperature of 0.0 °C? Pressure (kPa) 22,089 101 0.6 Ice (solid) A I D O deposition and condensation O freezing and deposition O boiling and freezing O deposition and melting T 1 Triple point B 0 0.01 Water (liquid) Water vapor (gas) 100 Temperature (°C) Critical point C I 374