14. See image below. MM of Al:Os = 101.96 14. Calculate the amount of heat released in the complete combusti on of 8.17 grams of Al to form solid Al2O; at 25°C and 1 atm. AH for Al203 () = 1676 kJ/mol 4Al() + 303) → 2Al,O: (5) 237 kJ

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
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Chapter15: Energy And Chemical Change
Section15.3: Thermonuclear Equations
Problem 28SSC
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14. See image below. MM of Al:Os = 101.96 g/mol:
14. Calculate the amount of heat released in the complete combusti on of 8.17 grams of Al to
form solid Alz03 at 25°C and 1 atm. AH for Al2O3
= 1676 kJ/mol
4Al) + 30(g) → 2Al:O: (5)
237 kJ
O 254 kJ
O 203 kJ
O 127 kJ
Transcribed Image Text:14. See image below. MM of Al:Os = 101.96 g/mol: 14. Calculate the amount of heat released in the complete combusti on of 8.17 grams of Al to form solid Alz03 at 25°C and 1 atm. AH for Al2O3 = 1676 kJ/mol 4Al) + 30(g) → 2Al:O: (5) 237 kJ O 254 kJ O 203 kJ O 127 kJ
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