2H2 O2 -> 2H20 changeHrxn=-484 KJ Which answer best describes the transfer heat that

QuestionsCategory: Chemistry2H2 O2 -> 2H20 changeHrxn=-484 KJ Which answer best describes the transfer heat that
Lisa Howell asked 6 months ago
2H2+O2 -> 2H20 changeHrxn=-484 KJ

Which answer best describes the transfer heat that occurs when 1.30 mol of H2 reacts?

629 KJ released
315 KJ absorbed
315 KJ released
484 KJ absorbed
484 KJ released
629 KJ absorbed

3 Answers
Lisa Howell answered 6 months ago
The sign is negative which means the heat is released. That makes three answers (absorbed) go away.
(484/2 mol) x 1.3 mol = ?

Lisa Howell answered 6 months ago
315 released

Lisa Howell answered 6 months ago
A and C

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