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Atkins' Physical Chemistry | 11th Edition | ISBN: 9780198769866 | Authors: Atkins, Peter; De Paula, Julio; Keeler, James ISBN: 9780198769866 2042

Solution for problem E15C.5(a) Chapter 15C

Atkins' Physical Chemistry | 11th Edition

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Atkins' Physical Chemistry | 11th Edition | ISBN: 9780198769866 | Authors: Atkins, Peter; De Paula, Julio; Keeler, James

Atkins' Physical Chemistry | 11th Edition

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Problem E15C.5(a)

Calculate the lattice enthalpy of CaO from the following data:

               

Step-by-Step Solution:
Step 1 of 3

Spencer Kociba CHEM 101 Lecture 11/15/16 THERMOCHEMISTRY ● Enthalpy ○ Represented as ΔH ○ Internal energy + pressure*volume ■ We will mostly be concerned with constant pressure. This is where the formula ΔH = ΔE + PΔV comes from ○ ΔH = q (enthalpy=heat gained or lost in the system) ● Properties of Enthalpy (ΔH ) ○ ΔH is directly proportional to mass ○ ΔH for a reverse reaction is equal in magnitude (quantity) but opposite in sign for the forwards reaction ○ Hess’s Law: ΔH is independent of the number of steps involved ■ If Reaction(1) + Reaction(2)=Reaction(3), then ΔH =3ΔH + 1H 2 ● Endothermic reactions ○ Gains heat from surroundings ○ ΔH =+ (ΔH >0) ○ Feels cold ○ E < E reactantsproducts ● Exothermic reactions ○ Releases heat to surroundings ○ ΔH =- ○ Feels hot ○ Ereactantsproducts ● A change in enthalpy results from a change in the potential energy of the reactants in forming products ● Calorimetry: measurement of quantity of heat exchanged during a chemical reaction ○ Bomb calorimeter ■ Constant volume used to measure heat and can withstand large amounts of pressure ■ Used to determine the energy content of foods and specific heat ○ Reactions done in an aqueous solution are done at constant pressure

Step 2 of 3

Chapter 15C, Problem E15C.5(a) is Solved
Step 3 of 3

Textbook: Atkins' Physical Chemistry
Edition: 11
Author: Atkins, Peter; De Paula, Julio; Keeler, James
ISBN: 9780198769866

The full step-by-step solution to problem: E15C.5(a) from chapter: 15C was answered by Aimee Notetaker, our top Chemistry solution expert on 04/25/22, 03:45PM. The answer to “?Calculate the lattice enthalpy of CaO from the following data:” is broken down into a number of easy to follow steps, and 10 words. This full solution covers the following key subjects: . This expansive textbook survival guide covers 327 chapters, and 1120 solutions. Atkins' Physical Chemistry was written by Aimee Notetaker and is associated to the ISBN: 9780198769866. This textbook survival guide was created for the textbook: Atkins' Physical Chemistry, edition: 11. Since the solution to E15C.5(a) from 15C chapter was answered, more than 201 students have viewed the full step-by-step answer.

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