Chemistry, 21.08.2019 23:30, jraghubir50

Given the reaction at 101.3 kilopascals and 298 k: hydrogen gas + iodine gas → hydrogen iodide gas
this reaction is classified as
(1) endothermic, because heat is absorbed
(2) endothermic, because heat is released
(3) exothermic, because heat is absorbed
(4) exothermic, because heat is released

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Given the reaction at 101.3 kilopascals and 298 k: hydrogen gas + iodine gas → hydrogen iodide gas