Lec17_Hydrogen

Lec17_Hydrogen - Lecture 17: Hydrogen CHEM/ENVS 380 Apr 15,...

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Lecture 17: Hydrogen CHEM/ENVS 380 Apr 15, 2010 1. What is the difference between an energy source and an energy vector? 2. What are the different means of producing H 2 , and which is most common today? 3. What makes H 2 attractive as an energy vector? 4. What are the major challenges towards creating a sustainable H 2 -based economy? 5. PV = nRT
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Fuel Source Energy required to produce fuel? CO 2 produced at point of use? Net CO 2 source? Coal (C) Oil (CH 2 ) Natural Gas (CH 4 ) Biomass (ethanol, biodiesel) Hydrogen (H 2 ) • What do “regular” cars, electric vehicles, and hybrids run on?
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Is H 2 an Energy SOURCE or VECTOR? TRUE or FALSE: Hydrogen is the most abundant element in the Universe. TRUE or FALSE: Hydrogen (as H 2 ) is an abundant energy source on Earth. What is the concentration of H 2  in the atmosphere? Is H 2  a major gas or a trace gas? What do we need to do to get H 2 ?
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Constituent Concentration (ppmv) Nitrogen N 2 780,900 Oxygen
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This note was uploaded on 09/23/2011 for the course CHEM 380 taught by Professor Staff during the Spring '11 term at S.F. State.

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Lec17_Hydrogen - Lecture 17: Hydrogen CHEM/ENVS 380 Apr 15,...

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