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Author Question: The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and its normal boiling point ... (Read 53 times)

petersan

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on: Nov 5, 2023

Question 1

The mineral manganosite, manganese(II) oxide, crystallizes in the rock salt structure (the face-centered structure adopted by NaCl) with a density of 5.365 g/cm3.  Find the unit cell edge length of manganosite.
◦ 280.0 pm
◦ 352.8 pm
◦ 368.2 pm
◦ 417.9 pm
◦ 444.5 pm

Question 2

The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and its normal boiling point is 91°C.  What is the vapor pressure of BBr3 at 20°C?
◦ 11.5  torr
◦ 311 torr
◦ 5.31 torr
◦ 143 torr
◦ 66.1 torr
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by petersan on Nov 5, 2023

Asfa

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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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petersan

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

jackie

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Reply 3 on: Yesterday
Gracias!

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