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Author Question: Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in kJ is required to ... (Read 81 times)

madam-professor

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on: Jul 8, 2021

Question 1

Consider a parallelepiped with all edges being equal in length. There is an atom at each corner and one in the absolute center. This is a ________.
◦ face-centered cubic cell
◦ simple cubic cell
◦ unit cell
◦ body-centered cubic cell
◦ hexagonal unit cell

Question 2

Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in kJ is required to melt 137 g of ethyl alcohol?
◦ 1.70 × 103 kJ
◦ 129 kJ
◦ 686 kJ
◦ 5.01 kJ
◦ 14.9 kJ
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by madam-professor on Jul 8, 2021

kaillie

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Reply #1 on: Jul 8, 2021
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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madam-professor

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Reply 2 on: Jul 8, 2021
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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