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Enthalpies of Formation (Section)Calcium carbide (CaC2)

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 76E Chapter 5

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 76E

Problem 76E

Enthalpies of Formation (Section)

Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data and data in Appendix C, calculate ΔHf° for CaC2(s):

CaC2(s) + 2 H2O(l) → Ca1OH22(s) + C2H2(g)

ΔH° = –127.2 kJ

Step-by-Step Solution:
Step 1 of 3

Chapter 1 Notes Data Communications Networks  Data Communications—the movement of computer information from one point to another by meals of electrical or optical transmission systems o Such systems called data communications networks o Telecommunications—broader term; includes transmission of voice and video as well as data and usually implies longer distances. Components of a Network  Three basic hardware components for a data communications network: o Server—personal computer, mainframe o Client—personal computer, terminal o Circuit—cable, modem  Server—stores data or software that can be accessed by the clients. o File Server—stores data and software that can be used by computers on the network o Print Server—connected to a printer; manages all printing requests from the clients on the network o Web Server—stores documents and graphics that can be accessed from any Web browser, such as Internet Explorer.  Can respond to requests form computers on this network or any computer on the Internet o Servers are usually personal computers but may be minicomputers or mainframes.  Client—the input-output hardware device at the user’s end of a communication circuit o Provides the user with access to the network and the data and software on the server  Circuit—the pathway through which the messages travel o Typically a copper wire, although fiber-optic cable and wireless

Step 2 of 3

Chapter 5, Problem 76E is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

The answer to “Enthalpies of Formation (Section)Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data and data in Appendix C, calculate ?Hf° for CaC2(s):CaC2(s) + 2 H2O(l) ? Ca1OH22(s) + C2H2(g)?H° = –127.2 kJ” is broken down into a number of easy to follow steps, and 41 words. The full step-by-step solution to problem: 76E from chapter: 5 was answered by , our top Chemistry solution expert on 04/03/17, 07:58AM. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 12. This full solution covers the following key subjects: cac, data, enthalpies, Calcium, calculate. This expansive textbook survival guide covers 49 chapters, and 5471 solutions. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321696724. Since the solution to 76E from 5 chapter was answered, more than 429 students have viewed the full step-by-step answer.

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Enthalpies of Formation (Section)Calcium carbide (CaC2)