Which phenomenon impedes the use of hydrogen as engine fuel?

💡 Explanation

Hydrogen fuel faces low density challenges, because hydrogen bonding, absent among H2 molecules, reduces volumetric energy density; therefore, less energy is contained per volume compared with gasoline, rather than other intermolecular interactions limiting density.

• Which outcome occurs when a catalyst destabilizes electron orbitals in a reactants?
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• Which outcome occurs when hydrogen gas accumulation exceeds LEL?
• Which risk increases when a pulsed laser with poor coherence illuminates a rough metal surface?
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