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Author Question: Calculate the amount of heat needed to melt 2.00 kg of iron at its melting point (1,809 K), given ... (Read 46 times)

petersan

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on: Nov 5, 2023

Question 1

Butter melts over a range of temperatures, rather than with a sharp melting point.  Butter is classified as a/an
◦ metallic crystal.
◦ covalent solid.
◦ molecular crystal.
◦ amorphous solid.
◦ ionic crystal.

Question 2

Calculate the amount of heat needed to melt 2.00 kg of iron at its melting point (1,809 K), given that ΔHfus = 13.80 kJ/mol.
◦ 27,600 J
◦ 27.6 kJ
◦ 494 kJ
◦ 25,000 kJ
◦ 27,600 kJ
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by petersan on Nov 5, 2023

Mynameisrandom

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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
Wow, this really help

nguyenhoanhat

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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