Asked by Anonymous

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

13 years ago

Answered by DrBob222

The sign is negative which means the heat is released. That makes three answers (absorbed) go away.
(484/2 mol) x 1.3 mol = ?

13 years ago

Answered by Anonymous

315 released

9 years ago

Answered by Meagan

A and C

7 years ago

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