4 Using Hess's Law calculate Koverall4 NO (2) + 6 H20 (Koverall4 NH3 (2) + 5 O2 (g)i) N2 ()+O2 (e)2 NO (g)K= 0.252 NH3 (g)Ki = 23ii) N2 (g) + 3H2 (g)iii) 2 H2 (e) + O2 (2 H20 ()K= 5700

At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration…

Answered: Using Hess's Law calculate Koverall 4…

Using Hess's Law calculate Koverall 4 NH3 ( +5 02 ( 4 NO () + 6 H2O () Koverall 2 NO () K 0.25 i) N2 (g)+O2 (g) 2 NH3 (8) Ki = 23 ii) N2 (g) + 3H2 ( iii) 2 H2 (2) + O2 (e) 2 H20 (e) K= 5700

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter7: Ionic Compounds And Metals

Section: Chapter Questions

Problem 96A

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Concept explainers

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

Using Hess's Law calculate Koverall
4 NO (2) + 6 H20 (
Koverall
4 NH3 (2) + 5 O2 (g)
i) N2 ()+O2 (e)
2 NO (g)
K= 0.25
2 NH3 (g)
Ki = 23
ii) N2 (g) + 3H2 (g)
iii) 2 H2 (e) + O2 (
2 H20 ()
K= 5700

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