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Author Question: Pure benzene, C6H6, freezes at 5.5 and boils at 80.1C. What is the boiling point of a solution ... (Read 116 times)

ddddddddddeeee4444

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on: Nov 5, 2023

Question 1

Oxygen gas makes up 21 % of the atmosphere by volume. What is the solubility of O2(g) in water at 25°C if the atmospheric pressure is 741 mmHg?  The Henry's law constant for oxygen gas at 25°C is 1.3 × 10–3 mol/L·atm.
◦ 2.7 × 10–4 M
◦ 1.3 × 10–3 M
◦ 6.2 × 10–3 M
◦ 9.6 × 10–3 M
◦ 0.96 M

Question 2

Pure benzene, C6H6, freezes at 5.5° and boils at 80.1°C.  What is the boiling point of a solution consisting of cyclohexane (C6H12) dissolved in benzene if the freezing point of this solution is 0.0°C? (For benzene, Kf = 5.12 °C/m, Kb = 2.53 °C/m; for cyclohexane, Kf = 20.0 °C/m, Kb = 2.79°C/m)
◦ 77.4°C
◦ 80.9°C
◦ 82.8°C
◦ 83.1°C
◦ 91.2°C
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by ddddddddddeeee4444 on Nov 5, 2023

bball_babe_123

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ddddddddddeeee4444

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Reply 2 on: Nov 5, 2023
:D TYSM

matt95

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Reply 3 on: Yesterday
Wow, this really help

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