The reaction 4Al (s) + 3O2 (g) → 2 Al2O3 (s) ΔH° = -3351 kJ is __________, and therefore, heat is __________ by the reaction.?
回答 (2)
2018-05-14 9:06 am
The reaction 4Al (s) + 3O2 (g) → 2 Al2O3 (s) ΔH° = -3351 kJ is __exothermic__, and therefore, heat is __released__ by the reaction.
2018-05-14 8:06 am
exothermic, produced
(You can tell by the minus sign on the value of ΔH°.)
(You can tell by the minus sign on the value of ΔH°.)
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