Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 20, Problem 48SCQ

What is the likelihood that hydrogen (H2) will become a widely used fuel and that the “hydrogen economy” will become a reality? In particular, what are the advantages and disadvantages of H2 as a fuel? What would be necessary for a significant conversion to a “hydrogen economy”?

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Determine if the following statements are true or false. _____ 1. Water decomposes when an electric current passes through it. _____ 2. A combustion reaction usually gives off heat and light. _____ 3. The burning of glucose in cells is called cellular combustion. _____ 4. Sodium chloride forms in a decomposition reaction. _____ 5. Methane and oxygen combine in a synthesis reaction. _____ 6. One product of the reaction in question 5 is carbon dioxide. _____ 7. There are two types of decomposition reactions. _____ 8. Carbon dioxide forms only in combustion reactions. _____ 9. The general equation AB + CD → AD + CB represents a replacement reaction. _____ 10. The chemical reaction 2K + 2H2O → 2KOH + H2 is a replacement reaction.

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Chemistry & Chemical Reactivity

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