- Solve the following problems. ank the compounds (being 1 the highest) bas roperties provided below. CH,CH,OCH, CH,CH,CH,NH, CH,CH,CH,CH,C CH,CH,CH,CH, 1. viscosity 2. surface tension 3. vapor pressure 4. heat of vaporization
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- Need solution urgentlyRank in order of increasing strength of dispersion forces a.) Weakest to strongest: C<B<A b.) Weakest to strongest: A<B<C c.) Weakest to strongest: A<C<B d.) Weakest to strongest: B<C<AHow much heat energy must be removed to take 150.0 g of liquid water initially at 15.0 oC and freeze it down to -25.0 oC? c(ice) = 2.09 J/g-oC, c(liquid water) = 4.18 J/g-oC, and AHfusion = 6.02 kJ/mol. %3D %3D
- The enthalpy of vaporization of Substance X is 28.0 kJ and its normal boiling point is-89. °C. Calculate the vapor pressure of X at-181, °C. mol Round your answer to 2 significant digits. atm x10 ? Submit Assic Continue ©2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Ace MacBook Al DII F11Given : 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)2 4 12. Consider the four molecules shown below: (a) Under each molecule, indicate which intermolecular forces are present [London (or Van der Waals), Dipole-dipole, and/or Hydrogen-bonding]. All have approximately the same molecular weight. + A thetragen * Lander Waals OH B₁ Hydrogen London Dipole-Jipple X (b) Rank in order of increasing boiling point. <<__ARank the following in order of increasing normal boiling point: N₂, O2, Br2, Xe. ©NzEnergy requirements to convert an ice cube at -10.0 °C to liquid water at +10.0 °C Energy required to raise temperature of solid: 91 = mCs,solid T Energy required to convert from solid to liquid: 92 ηΔΗ = fusion Energy required to raise temperature of liquid: 93 = mcs,liquid T Temperature (°C) 10 8 6 4 2 0 -2 -4 Model 1 continued. -6 -8 -10 1 solid → liquid phase transition 2 10 °C temperature change of solid Added Thermal Energy 3 10 °C temperature change of liquid20) Vapor pressure In simplification, the relation between the vapor pressure and temperature of a pure substance can be described by the August equation (for the pressure p in bar and the temperature T in Kelvin) as follows: B In(p) = A - 2/1 Hereby, the heat of vaporization is assumed to be independent of the temperature and A and B are experimentally determined constants. a) Describe the term vapor pressure! b) Explain why most solid substances exhibit a very low vapor pressure. In contrast, give an example of a solid with a significantly high vapor pressure. c) Using the August equation, determine the temperature and pressure of the triple point of sulfur dioxide (SO2). For solid SO2, the constants of the August equation are determined to be A = 15.901 and B = 3883 K-¹. For liquid SO2 the parameters are A = 11.401 and B = 2995 K-¹.SEE MORE QUESTIONSRecommended textbooks for youChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
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