Question

When the temperature of an equilibrium system for the following reaction is increased, the reaction shifts toward more products. Is the reaction endothermic or exothermic? $$ 2 \mathrm{NOBr}(g) \rightleftharpoons 2 \mathrm{NO}(g)+\mathrm{Br}_2(l) $$

Name: Problem 59, Chapter 16: Introduction to Chemistry
Uploaded: 2020-07-05T14:34:23-08:00
Duration: 1 min 9 s
Channel: Evey Z
Description: When the temperature of an equilibrium system for the following reaction is increased, the reaction shifts toward more products. Is the reaction endothermic or exothermic? 2 NOBr(g) ⇌2 NO(g)+Br2(l)

   When the temperature of an equilibrium system for the following reaction is increased, the reaction shifts toward more products. Is the reaction endothermic or exothermic?

$$
2 \mathrm{NOBr}(g) \rightleftharpoons 2 \mathrm{NO}(g)+\mathrm{Br}_2(l)
$$

Introduction to Chemistry

Bishop 1st Edition

Chapter 16, Problem 59

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Solved by Expert Evey Z

07/05/2020

Step 1

Step 1: Recall Le Chatelier's principle, which states that when a system at equilibrium is subjected to a change, the system will shift in a direction that counteracts the change. Show more…

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When the temperature of an equilibrium system for the following reaction is increased, the reaction shifts toward more products. Is the reaction endothermic or exothermic? $$ 2 \mathrm{NOBr}(g) \rightleftharpoons 2 \mathrm{NO}(g)+\mathrm{Br}_2(l) $$

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Key Concepts

Le Chatelier's Principle

This principle explains how an equilibrium system reacts to an external disturbance, such as changes in temperature, pressure, or concentration. It states that the system will shift its equilibrium position to counteract the disturbance and re-establish equilibrium.

Endothermic Reaction

An endothermic reaction absorbs heat from its surroundings, meaning that heat acts as a reactant. In such reactions, an increase in temperature shifts the equilibrium toward the products because the system absorbs additional heat to facilitate the reaction.

Exothermic Reaction

An exothermic reaction releases heat into the surroundings, where heat is considered a product. In these systems, increasing the temperature typically shifts the equilibrium toward the reactants as the system attempts to counterbalance the added heat.

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