Question

Each of the following is a reaction that occurs in the cells of the body. Identify each as exothermic or endothermic. (9.6) a. Phosphocreatine $+\mathrm{H}_{2} \mathrm{O} \longrightarrow$ creatine $+\mathrm{P}_{\mathrm{i}}+42.7 \mathrm{~kJ}$ b. Fructose-6-phosphate $+\mathrm{P}_{\mathrm{i}}+16 \mathrm{~kJ} \longrightarrow$

Name: Problem 72, Chapter 9: Basic Chemistry
Uploaded: 2022-02-20T04:03:10-08:00
Duration: 38 s
Channel: Emily Himsel
Description: Each of the following is a reaction that occurs in the cells of the body. Identify each as exothermic or endothermic. (9.6) a. Phosphocreatine +H2 O ⟶creatine +Pi+42.7 kJ b. Fructose-6-phosphate +Pi+16 kJ ⟶

   Each of the following is a reaction that occurs in the cells of the body. Identify each as exothermic or endothermic. (9.6)
a. Phosphocreatine $+\mathrm{H}_{2} \mathrm{O} \longrightarrow$ creatine $+\mathrm{P}_{\mathrm{i}}+42.7 \mathrm{~kJ}$
b. Fructose-6-phosphate $+\mathrm{P}_{\mathrm{i}}+16 \mathrm{~kJ} \longrightarrow$

Basic Chemistry

Karen C. Timberlake,… 6th Edition

Chapter 9, Problem 72

Instant Answer

Solved by Expert Emily Himsel

02/20/2022

Step 1

In this reaction, energy is being released (42.7 kJ) as the products are formed. Since energy is being released, this reaction is exothermic. Show more…

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Each of the following is a reaction that occurs in the cells of the body. Identify each as exothermic or endothermic. (9.6) a. Phosphocreatine $+\mathrm{H}_{2} \mathrm{O} \longrightarrow$ creatine $+\mathrm{P}_{\mathrm{i}}+42.7 \mathrm{~kJ}$ b. Fructose-6-phosphate $+\mathrm{P}_{\mathrm{i}}+16 \mathrm{~kJ} \longrightarrow$

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Key Concepts

Thermodynamics

Thermodynamics is a branch of science that studies the relationships between heat, work, energy, and how these quantities affect matter. In biochemical reactions, thermodynamics helps explain how energy is transferred and transformed, determining whether a reaction will release or absorb energy.

Exothermic Reaction

An exothermic reaction is one that releases energy to its surroundings, usually in the form of heat. In biological systems, such reactions are characterized by a net release of energy, which is critical for driving various cellular processes and can be identified by a negative change in enthalpy.

Endothermic Reaction

An endothermic reaction is one that absorbs energy from its surroundings, leading to a net input of energy. This energy absorption, often reflected as a positive change in enthalpy, is necessary for the reaction to proceed and is common in many metabolic pathways where energy must be invested to build complex molecules.

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