1.

The standard heat of combustion of Al is - 837.8 kJ/mol at \[25{}^\circ C\]. Which of the following releases 250 kcal of heat?

A. The reaction of 0.624 mol of Al
B. The formation of 0.624 mol of \[A{{l}_{2}}{{O}_{3}}\]
C. The reaction of 0.312 mol of \[Al\]
D. The formation of 0.150 mol of \[A{{l}_{2}}{{O}_{3}}\]
Answer» C. The reaction of 0.312 mol of \[Al\]


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