Question 2 Calculate the amount of heat released in the complete combustion of 8.17 grams of Al to form Al2O3(s) at 25°C and 1 atm. A for Al2O3(s)=-1676 kJ/mol OA. 237 kJ OB. 127 kJ OC.203 kJ OD. 101 KJ E. 254 kJ 4Al(s)+302(9)→2A1203(3)

Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 46E: How much heat is produced by combustion of 125 g of methanol under standard state conditions?
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Calculate the amount of heat released in the complete combustion of 8.17 grams of Al to form Al2O3(s) at 25°C and 1 atm. A for Al2O3(s)=-1676 kJ/mol
OA. 237 kJ
OB. 127 kJ
OC.203 kJ
OD. 101 KJ
E. 254 kJ
4Al(s)+302(9)→2A1203(3)
Transcribed Image Text:Question 2 Calculate the amount of heat released in the complete combustion of 8.17 grams of Al to form Al2O3(s) at 25°C and 1 atm. A for Al2O3(s)=-1676 kJ/mol OA. 237 kJ OB. 127 kJ OC.203 kJ OD. 101 KJ E. 254 kJ 4Al(s)+302(9)→2A1203(3)
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