World of Chemistry
7th Edition
ISBN: 9780618562763
Author: Steven S. Zumdahl
Publisher: Houghton Mifflin College Div
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Question
Chapter 7, Problem 2A
Interpretation Introduction
Interpretation :
The evidence for the heating of a chalk to be a
Concept Introduction :
Chalk contains calcium carbonate (CaCO3).
Expert Solution & Answer
Answer to Problem 2A
When chalk is heated then calcium carbonate is decomposed to produce CaO (powder) and carbon dioxide gas which escapes.
Explanation of Solution
Thermal decomposition of CaCO3 is given below.
As carbon dioxide escapes from the reaction vessel so mass is reduced. CaCO3 is converted to CaO which is powder. Thus heating of a chalk is a chemical reaction.
Conclusion
Heating of chalk is a chemical reaction as new products are generated with different properties.
Chapter 7 Solutions
World of Chemistry
Ch. 7.1 - Prob. 1RQCh. 7.1 - Prob. 2RQCh. 7.1 - Prob. 3RQCh. 7.2 - Prob. 1RQCh. 7.2 - Prob. 2RQCh. 7.2 - Prob. 3RQCh. 7.2 - Prob. 4RQCh. 7.3 - Prob. 1RQCh. 7.3 - Prob. 2RQCh. 7.3 - Prob. 3RQ
Ch. 7.3 - Prob. 4RQCh. 7.3 - Prob. 5RQCh. 7 - Prob. 1ACh. 7 - Prob. 2ACh. 7 - Prob. 3ACh. 7 - Prob. 4ACh. 7 - Prob. 5ACh. 7 - Prob. 6ACh. 7 - Prob. 7ACh. 7 - Prob. 8ACh. 7 - Prob. 9ACh. 7 - Prob. 10ACh. 7 - Prob. 11ACh. 7 - Prob. 12ACh. 7 - Prob. 13ACh. 7 - Prob. 14ACh. 7 - Prob. 15ACh. 7 - Prob. 16ACh. 7 - Prob. 17ACh. 7 - Prob. 18ACh. 7 - Prob. 19ACh. 7 - Prob. 20ACh. 7 - Prob. 21ACh. 7 - Prob. 22ACh. 7 - Prob. 23ACh. 7 - Prob. 24ACh. 7 - Prob. 25ACh. 7 - Prob. 26ACh. 7 - Prob. 27ACh. 7 - Prob. 28ACh. 7 - Prob. 29ACh. 7 - Prob. 30ACh. 7 - Prob. 31ACh. 7 - Prob. 32ACh. 7 - Prob. 33ACh. 7 - Prob. 34ACh. 7 - Prob. 35ACh. 7 - Prob. 36ACh. 7 - Prob. 37ACh. 7 - Prob. 38ACh. 7 - Prob. 39ACh. 7 - Prob. 40ACh. 7 - Prob. 41ACh. 7 - Prob. 42ACh. 7 - Prob. 43ACh. 7 - Prob. 44ACh. 7 - Prob. 45ACh. 7 - Prob. 46ACh. 7 - Prob. 47ACh. 7 - Prob. 48ACh. 7 - Prob. 49ACh. 7 - Prob. 1STPCh. 7 - Prob. 2STPCh. 7 - Prob. 3STPCh. 7 - Prob. 4STPCh. 7 - Prob. 5STPCh. 7 - Prob. 6STPCh. 7 - Prob. 7STPCh. 7 - Prob. 8STPCh. 7 - Prob. 9STPCh. 7 - Prob. 10STPCh. 7 - Prob. 11STPCh. 7 - Prob. 12STP
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