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Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 22 - Problem 22.27
Get Full Access to Chemistry: The Central Science - 14 Edition - Chapter 22 - Problem 22.27

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# Describe two characteristics of hydrogen that are favorable for its use as a general energy source in vehicles.

ISBN: 9780134414232 1274

## Solution for problem 22.27 Chapter 22

Chemistry: The Central Science | 14th Edition

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Problem 22.27 Describe two characteristics of hydrogen that are favorable for its use as a general energy source in vehicles.
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Step 1 of 5) To obtain sufficient quantities of LAL for the pharmaceutical industry, people harvest horseshoe crabs, attach them to machines that drain off roughly 30% of their blood, and then return them to the ocean. The LAL that is extracted from the blood can sell for up to \$15,000 per quart. Most animals survive the ordeal, the mortality rate is estimated to be between 5 and 30%, although questions have been raised regarding the effects of this invasive process on the overall health of the wild population of horseshoe crabs. The importance of transition metals such as iron and copper, is not limited to biology and medicine. Transition metals and their alloys are used as structural materials to make coins and jewelry, and as electronic conductors in wires and electronic devices. The presence of partially filled d-orbitals allows transition metal compounds to act as catalysts, magnets, and pigments. In this chapter, we take a closer look at this fascinating group of elements.

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