Based on the data below, what is the reaction enthalpy for the formation of anhydrous aluminum chloride? Tell whether the process is endothermic r exothermic.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
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Based on the data below, what is the reaction enthalpy for the formation
of anhydrous aluminum chloride? Tell whether the process is endothermic
or exothermic.
Standard
Reaction
change in enthalpy
2 Al (s) + 6 HCI (aq) →2 AICI3 (aq) +3 H2 (g)
AH =-149 kJ/mol
HCI (g) → HCI (aq)
AH =-74.8 kJ/mol
H2 (g) + C12 (g) →2 HCI (g)
AH =-185 kJ/mol
AICI3 (s) → AICI3 (aq
AH =-323 kJ/mol
Transcribed Image Text:Based on the data below, what is the reaction enthalpy for the formation of anhydrous aluminum chloride? Tell whether the process is endothermic or exothermic. Standard Reaction change in enthalpy 2 Al (s) + 6 HCI (aq) →2 AICI3 (aq) +3 H2 (g) AH =-149 kJ/mol HCI (g) → HCI (aq) AH =-74.8 kJ/mol H2 (g) + C12 (g) →2 HCI (g) AH =-185 kJ/mol AICI3 (s) → AICI3 (aq AH =-323 kJ/mol
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