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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Whelan Whelan
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8 years ago
How much heat is absorbed/released when 10.00 g of NH3(g) reacts in the presence of excess O2(g) to produce NO(g) and H2O(l) according to the following chemical equation?

   4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l)   ΔH° = +1168 kJ

A) 171.5 kJ of heat are absorbed.
B) 171.5 kJ of heat are released.
C) 686.0 kJ of heat are absorbed.
D) 686.0 kJ of heat are released.
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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8 years ago Edited: 2 years ago, bio_man
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