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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:The vapor pressure of benzene is 73.03 mm Hg at 25°C.
How many grams of estrogen (estradiol), C18H24 O₂, a nonvolatile, nonelectrolyte (MW=272.4 g/mol), must be added to 223.3
grams of benzene to reduce the vapor pressure to 71.53 mm Hg?
benzene
CoHo 78.12 g/mol.
Mass=
8
W
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- 1.5 moles of solution X are added to a 2 liter container of water. The vapor pressure of water alone is 23.8 Hg at 25°C. What is the new vapor pressure of the solution?arrow_forward(a) Use the following data to calculate the enthalpy of hydration for calcium chloride and calcium iodide. CaCl₂(s) Cal₂(s) Lattice Energy -2247 kJ/mol -2059 kJ/mol * Explain. ΔΗ soln -46 kJ/mol -104 kJ/mol *Lattice energy is defined as the energy change for the process M*(g) + X¯(g) → MX(s). calcium chloride 2201 calcium iodide 1955 XkJ/mol X kJ/mol (b) Based on your answers to part (a), which ion, CI or I, is more strongly attracted to water? chloride iodide The enthalpy of hydration for CaCl₂ is more exothermic than for Cal2. Any differences must be due to differences in hydrations between CI and I¯.arrow_forwardThe vapor pressure of chloroform is 173.11 mm Hg at 25°C. How many grams of estrogen (estradiol), C18H2402, a nonvolatile, nonelectrolyte (MW 272.4 g/mol), must be added to 281.4 grams of chloroform to reduce the vapor pressure to 168.89 mm Hg ? chloroform CHCI3 = 119.40 g/mol. g estrogenarrow_forward
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